| MITSUMI ELECTRIC CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120137053 | MICROPROCESSOR - A microprocessor to be connected with an external device is disclosed. The microprocessor includes a non-rewritable memory including a first interrupt vector table storing addresses of plural programs that allow plural types of interrupts, and an area storing a processing program in an address indicated by each of vectors in the first interrupt vector table; a rewritable non-volatile memory including a second interrupt vector table that includes contents identical to contents of the first interrupt vector table; an address changing section that conducts address change from an address for accessing the first interrupt vector table to another address for accessing the second interrupt vector table; a writing section that writes an address of an arbitrary vector of the second interrupt vector table and a processing program stored in the address indicated by the arbitrary vector in the rewritable non-volatile memory upon instruction supplied from the external device. | 05-31-2012 |
| 20120133838 | VIDEO SIGNAL OUTPUT CIRCUIT - Disclosed is a video signal output circuit including: a clamp circuit; a first differential amplifying circuit; a dividing circuit; and an offset circuit which adds or subtracts a predetermined offset voltage to or from a bias voltage, a reference voltage, or a base reference voltage generated by the dividing circuit so as to supply an offset voltage added/subtracted voltage to the clamp circuit or the first differential amplifying circuit, wherein the offset circuit includes a pnp bipolar transistor and an npn bipolar transistor, and outputs a difference voltage corresponding to a difference between a base-emitter voltage of the pnp bipolar transistor and a base-emitter voltage of the npn bipolar transistor. | 05-31-2012 |
| 20120133686 | BACKLIGHT DEVICE WITH LIGHT EMITTING DEVICES IN AN ALTERNATING ARRANGEMENT - A backlight device includes a plurality of light emitting devices arranged at predetermined positions to act as backlight for a display screen, and a plurality of drive circuits that supply currents to the plurality of light emitting devices, wherein the plurality of drive circuits include a first drive circuit and a second drive circuit, and the plurality of light emitting devices include a plurality of first light emitting devices and a plurality of second light emitting devices, the plurality of first light emitting devices being connected in series to the first drive circuit, and the plurality of second light emitting devices being connected in series to the second drive circuit, and wherein the plurality of light emitting devices are spatially placed in an alternating arrangement of one or more of the first light emitting devices and one or more of the second light emitting devices. | 05-31-2012 |
| 20120133451 | FUNCTION GENERATOR CIRCUIT - A function generator circuit for outputting a control signal to an oscillating circuit includes a temperature detecting circuit for outputting a detection voltage corresponding to an ambient temperature and having a linear temperature characteristic, a zeroth-order component generating circuit for generating a zeroth-order component of the control signal, a first-order component generating circuit for generating a first-order component of the control signal, a second-order component generating circuit for generating a second-order component of the control signal, a third-order component generating circuit for generating a third-order component of the control signal based on the detection voltage, and an adder-subtractor that generates the control signal by obtaining a sum of the zeroth-order component, the first-order component, and the third-order component and adding or subtracting the second-order component to or from the sum. The second-component generating circuit is configured to correct a temperature at an inflection point of the control signal. | 05-31-2012 |
| 20120130661 | BATTERY MONITORING DEVICE AND BATTERY MONITORING METHOD - A battery monitoring device includes a detecting unit which detects a voltage value, a current value and a temperature of a secondary battery, a charging time computing unit which computes a charging time of the battery by using the voltage value, the current value and the temperature detected by the detecting unit, and a determining unit which determines a charging state of the battery. The charging time computing unit is configured to compute a fully charged time of the battery based on a first charging ratio, a constant-current charging ratio, and a second charging ratio. | 05-24-2012 |
| 20120126762 | CURRENT LIMITING CIRCUIT AND POWER SUPPLY CIRCUIT - A current limiting circuit for limiting an output current in response to a control current includes a detection circuit to detect a detection voltage responsive to an output voltage, and a control current generating circuit to generate a control current responsive to the detection voltage, wherein the control current generating circuit includes a first transistor through which the control current flows, a second transistor that becomes conductive upon a voltage responsive to an amount of the control current being greater than a predetermined voltage above the detection voltage, and a resistor connecting between a base and an emitter of the second transistor to raise a potential at the base of the second transistor above a predetermined level, wherein the amount of the control current flowing through the first transistor decreases as an amount of a current flowing through the second transistor increases. | 05-24-2012 |
| 20120120123 | BACKLIGHT APPARATUS, IMAGE DISPLAY SYSTEM AND LIGHTING APPARATUS - A backlight apparatus for illuminating a display unit, includes: light-emitting elements that are arranged at predetermined intervals; and a driving control unit configured to supply currents to the light-emitting elements so as to control driving of the light-emitting elements, wherein the light-emitting elements include a pair of a first light emitting-element and a second light-emitting element that are connected to the driving control unit and that are connected in parallel to each other, in which the first light-emitting element is connected in a direction opposite to a direction in which the second light-emitting element is connected. | 05-17-2012 |
| 20120112755 | BATTERY VOLTAGE MONITORING CIRCUIT - A battery voltage monitoring circuit includes a first power supply terminal to be connected to the positive terminal of a battery pack having rechargeable cells connected in series; a first supply voltage sensing terminal to be connected to the positive terminal of the battery pack; a first resistor connected between the first power supply terminal and the first supply voltage sensing terminal; a second supply voltage sensing terminal to be connected to the negative terminal of a first rechargeable cell of the rechargeable cells, the first rechargeable cell being on the positive terminal side of the battery pack and connected to the positive terminal of the battery pack; a second resistor connected between the second supply voltage sensing terminal and the first power supply terminal; and a first comparator configured to compare a voltage at the first power supply terminal and a voltage at the first supply voltage sensing terminal. | 05-10-2012 |
| 20120105031 | SWITCHING POWER-SUPPLY UNIT - A switching power-supply unit which controls current flowing through an inductor in a switchable manner and outputs a voltage different from input voltage, the unit including: a terminal-potential detecting circuit which monitors terminal potential of the inductor and outputs a predetermined signal; a comparator which compares an output feedback voltage with a threshold voltage; and a logic circuit which generates a signal for controlling a switching element based on an output from the comparator and an output from the terminal-potential detecting circuit, wherein the comparator compares a first threshold voltage with the feedback voltage in a period in which the output voltage rises, and compares a second threshold voltage which is lower than the first threshold voltage with the feedback voltage in a period in which the output voltage drops. | 05-03-2012 |
| 20120105029 | SWITCHING REGULATOR - A switching regulator includes: switching transistors configured to perform switching according to a control signal; an inductor connected to the switching transistors; a control mode switch unit configured to switch between a first control mode and a second control mode based on a direction in which a current flows through the inductor; an amplifier configured to operate as an error amplifier or a comparator; and a phase compensation unit connected to the amplifier by a switch unit, wherein, in the first control mode, the control mode switch unit connects the amplifier and the phase compensation unit by turning on the switch unit so as to cause the amplifier to operate as the error amplifier, and in the second control mode, the control mode switch unit turns off the switch unit so as to cause the amplifier to operate as the comparator. | 05-03-2012 |
| 20120104970 | LIGHTING POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING HOLDING CURRENT - A lighting power supply device receives a voltage converted from an alternating current to a direct current by a rectifying circuit rectifying the alternating current whose phase is controlled by a phase control type dimmer, and generates and outputs a direct current voltage/current to be supplied to a load. The lighting power supply device includes: a control circuit, and the control circuit gradually decreases a current drawn from the rectifying circuit from a predetermined current value set in advance, determines a current value immediately before detecting a malfunction of the phase control type dimmer as a drawn current value, and performs current control so as to maintain the determined current value. | 05-03-2012 |
| 20120098513 | SEMICONDUCTOR INTEGRATED CIRCUIT FOR REGULATOR - A regulator includes a transistor connected between an input and an output. A feedback voltage controls the transistor to keep the output voltage constant. A first circuit functions as a comparator to compare a detection voltage from the output of the transistor and the feedback voltage when the output current is higher than a predetermined value, and functions as a buffer when the output current is lower than the predetermined value. A second circuit receives a reference voltage, the feedback voltage, and an output from the first circuit, and generates (i) a difference between the feedback voltage and the first circuit output when the reference voltage is lower than the first circuit output, and (ii) a difference voltage between the feedback voltage and the reference voltage when the reference voltage is higher than the first circuit output, and supplies a control voltage to control the output of the transistor. | 04-26-2012 |
| 20120084418 | COMMUNICATION DEVICE SETTING APPARATUS, COMMUNICATION DEVICE SETTING METHOD, AND RECORDING MEDIUM - A communication device setting apparatus is arranged to register setup information in a communication device connected to the communication device setting apparatus via a communication network. In the communication device setting apparatus, a device setting unit recognizes an access from the communication device upon power up of the communication device, acquires setup information, which is specific to the communication device and contains a MAC address of the communication device, from list information pre-recorded in the communication device setting apparatus, and performs a setting process to set the acquired setup information in the communication device. A setting management unit detects an end of the setting process performed by the device setting unit, changes the list information based on the setup information having been set in the communication device after the end of the setting process, and manages the communication device according to the changed list information. | 04-05-2012 |
| 20120082074 | RADIO COMMUNICATION DEVICE - A radio communication device includes a mounting substrate and a shielding case to cover circuits mounted on the substrate. A first surface of the substrate includes an input/output area where a transmitting/receiving unit of an RF signal is mounted, an amplification area where an amplifying unit to amplify the RF signal from the transmitting/receiving unit is mounted, an RF area where an RF processing unit to process the. RF signal is mounted, and a baseband area where a baseband processing unit to process a baseband signal is mounted. A second surface of the substrate includes a crystal oscillator arranged to generate a reference clock signal which is supplied to the RF processing unit and the baseband processing unit. | 04-05-2012 |
| 20120081603 | DISPLAY SCREEN CHANGEOVER APPARATUS, DISPLAY SCREEN CHANGEOVER METHOD, DISPLAY SCREEN CHANGEOVER PROGRAM AND COMPUTER READABLE RECORDING MEDIUM STORING A DISPLAY SCREEN CHANGEOVER PROGRAM - A display screen changeover apparatus changes a screen display when displaying HTML contents on a display screen of a television receiver. A contents analysis part analyzes display setting information with respect to the television receiver based on address information given to the HTML contents. A display setting part sets a display of the HTML contents with respect to the display screen based on a result of analysis obtained by the contents analysis part. | 04-05-2012 |
| 20120081154 | CURRENT CONTROL CIRCUIT - A plurality of current control MOS transistors and a plurality of current detection systems are provided, each of the current detection systems including a current detection transistor current-mirror connected to the current control MOS transistor and a current-voltage converter connected in series to the current detection transistor. The current detection systems are switched between one another for operation in response to the intensity of a charging current flowing through the current control transistors. | 04-05-2012 |
| 20120080952 | CURRENT AND VOLTAGE DETECTION CIRCUIT, AND CURRENT CONTROL CIRCUIT - Disclosed is a current and voltage detection circuit comprising: a voltage input terminal to which a direct current voltage is applied; a voltage comparison circuit that determines which of the applied voltage and a predetermined voltage is larger; a switching element connected in series to a current-voltage conversion unit, between a positive electrode terminal of the power supply and a reference potential point of the circuit; and a control circuit that generates a control signal of the switching element in response to output of the voltage comparison circuit, wherein the circuit turns ON the switching element and determines the voltage, by the voltage comparison circuit, when a voltage supply capability or current supply capability is low; and turns OFF the switching element by the control signal and determines the voltage, when the voltage comparison circuit determines that the voltage is higher than the predetermined voltage. | 04-05-2012 |
| 20120072150 | OPERATION INPUT APPARATUS AND OPERATION INPUT DETECTION APPARATUS - An operation input apparatus configured to receive a force from an operator, including: a board | 03-22-2012 |
| 20120062970 | ACTUATOR AND OPTICAL SCANNING DEVICE USING ACTUATOR - An actuator which tilts and drives an object to be driven around an axis of rotation includes: a pair of supporting beams arranged to support the object to be driven from both sides thereof in a direction parallel to the axis of rotation; a pair of movable beams arranged to sandwich the object to be driven and the pair of supporting beams from both sides in a direction perpendicular to the axis of rotation; a drive source arranged to apply bending vibration to the movable frames; and a pair of connection parts arranged to connect the movable frames and end portions of the supporting beams by a multiple-beam structure, convert the bending vibration into torsional vibration, and transmit the torsional vibration to the supporting beams. | 03-15-2012 |
| 20120056912 | BACKLIGHT APPARATUS, DISPLAY APPARATUS AND LIGHTING APPARATUS - A backlight apparatus for illuminating a display unit, including: a light-emitting element block including a plurality of light-emitting elements that are connected serially; and a driving control unit configured to control driving for each of the plurality of light-emitting elements by supplying a current to the light-emitting element block, wherein each of the plurality of light-emitting elements is provided with a bypass circuit such that, even when a break occurs in a light-emitting element, a current from the driving control unit is supplied to the other light-emitting elements. | 03-08-2012 |
| 20120056561 | BACKLIGHT APPARATUS, DISPLAY APPARATUS AND LIGHTING APPARATUS - A backlight apparatus including: a light-emitting element block on which a plurality of light-emitting elements are arranged; a plurality of driving control units each of which is configured to control driving for each of the plurality of light-emitting elements by supplying a current to the light-emitting element block; and a main control unit configured to generate a control signal for performing driving control for each of the plurality of driving control units, and to output the control signal to one of the plurality of driving control units, wherein the plurality of driving control units are connected in a daisy chain scheme, and the main control unit includes, in the control signal, identification information for identifying at least one of the plurality of driving control units and control data for performing driving control on light-emitting elements assigned to a driving control unit identified by the identification information. | 03-08-2012 |
| 20120044556 | OPTICAL SCANNING APPARATUS - An optical scanning apparatus includes a laser source configured to irradiate a laser beam, a prism configured to reflect the laser beam irradiated from the laser source, a mirror configured to move the laser beam reflected from the prism by oscillating with respect to a predetermined axis and reflecting the laser beam reflected from the prism, the laser beam reflected from the prism being substantially perpendicular to a plane of the mirror in a case where the mirror is in a non-oscillating state, a waveplate positioned between the prism and the mirror and configured to polarize the laser beam reflected from the prism and the laser beam reflected from the mirror. The waveplate includes an end plane inclined with respect to the laser beam reflected from the prism to the mirror. | 02-23-2012 |
| 20120044277 | BRIGHTNESS CONTROL APPARATUS AND BRIGHTNESS CONTROL METHOD - A brightness control apparatus for performing brightness control on backlights for a display screen based on an input image signal, includes: an image information analysis unit configured to analyze information of at least one item of an average brightness level, brightness histogram information, color histogram information and frequency histogram information that are obtained from an image frame included in the image signal; a block information obtaining unit configured to divide the image frame into blocks and to obtain image information for each of the blocks based on an analysis result of the image information analysis unit; a brightness correction unit configured to perform brightness correction on backlights corresponding to each of the blocks divided by the block information obtaining unit; and a backlight driving control unit configured to perform driving control of the backlights for each of the blocks based on correction information obtained by the brightness correction unit. | 02-23-2012 |
| 20120043952 | SEMICONDUCTOR INTEGRATED CIRCUIT, SWITCHING POWER SUPPLY, AND CONTROL SYSTEM - A semiconductor integrated circuit includes a current mirror having a predetermined input-output ratio and including a first transistor configured to receive an input current and a second transistor configured to output an output current, and an output transistor configured to generate a reference voltage according to the output current of the current mirror. The value of the output current is greater than the value of the input current, and the total area of one or more collector regions of the first transistor is substantially the same as the total area of one or more collector regions of the second transistor. | 02-23-2012 |
| 20120030480 | BATTERY PACK AND ELECTRONIC APPARATUS - A battery pack includes at least one rechargeable battery configured to output power; a remaining battery capacity detection unit configured to detect a remaining battery capacity of the at least one rechargeable battery; and a cryptographic unit configured to output a response word in response to an external request word by encrypting the external request word based on a cryptographic algorithm with a common code key. | 02-02-2012 |
| 20120026023 | SUCCESSIVE APPROXIMATION AD CONVERSION CIRCUIT - A successive approximation AD conversion circuit has improved conversion accuracy without prolonging the time necessary for conversion. The successive approximation AD conversion circuit includes a plurality of amplifier stages cascaded together through coupling capacitances, and a comparator circuit which determines whether an input analog voltage is greater or less than comparison voltages. The comparator circuit includes a first comparator unit and a second comparator unit having a common initial amplifier stage among a plurality of amplifier stages, and, respectively, a first amplifier stage and second amplifier stage connected after the common stage through respective coupling capacitances; and first and second comparison point shift circuits connected respectively to input terminals of the first and second amplifier stages. The first and second comparison point shift circuits are configured to shift the comparison voltages by a specified amount in opposite directions, when amplifying the potential difference between the input analog voltage and the comparison voltages. | 02-02-2012 |
| 20120019291 | RESET CIRCUIT AND CONTROL APPARATUS INCLUDING THE RESET CIRCUIT - A reset circuit for resetting and terminating the resetting of a reset target includes an n-channel metal-oxide-semiconductor field-effect transistor (MOSFET), a gate drive circuit configured to switch a drain voltage of the n-channel MOSFET from a low level to a high level when a power supply voltage exceeds a predetermined threshold, a sink circuit configured to maintain the drain voltage at the low level by sinking a current flowing from a drain side of the n-channel MOSFET to the sink circuit, and a block circuit configured to block the current sinking to the sink circuit when the power supply voltage exceeds the predetermined threshold. The low level indicates a state where the reset target is in a reset state and the high level indicates a state where the reset state of the reset target is terminated. | 01-26-2012 |
| 20120012975 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit device includes a semiconductor substrate including a digital circuit area and an analog circuit area that is divided into an active element area disposed away from the digital circuit area and a passive element area disposed adjacent to the digital circuit area; a first well having a first conductivity type that is different from a second conductivity type of the semiconductor substrate and formed in a part of the semiconductor substrate corresponding to the passive element area; a second well having the second conductivity type and formed in the first well; a device isolation film formed on the second well; a digital circuit formed in the digital circuit area; an active element implemented by an analog circuit and formed in the active element area; and a passive element implemented by an analog circuit and formed on the device isolation film in the passive element area. | 01-19-2012 |
| 20120001605 | DIFFERENTIAL AMPLIFIER CIRCUIT AND SERIES REGULATOR - A differential amplifier circuit including: a differential input stage including a pair of differential MOS transistors, a pair of load elements, and a first constant-current source; an output stage including an output MOS transistor and a second constant-current source; a constant-current MOS transistor provided in parallel to one of the first and second constant-current sources; and a boost current controlling MOS transistor in which a potential of a connection node of the output MOS transistor and the second constant-current source is applied to a gate terminal thereof; wherein the boost current controlling MOS transistor is turned on when a voltage inputted to a gate terminal of one of the pair of differential MOS transistors changes, and a current of the constant-current MOS transistor is added to one of the first and second constant-current sources and is allowed to flow. | 01-05-2012 |
| 20110310573 | HIGH FREQUENCY DEVICE AND A PRINTED BOARD HOLDING STRUCTURE - A high frequency device includes a metal case; a printed board configured to be inserted in the case; a projecting part configured to project to an inside of the case; a solder guiding hole formed at the projecting part, the solder guiding hole being configured to guide solder from an internal circumferential side to an external circumferential side of the case, the solder being configured to connect the case and the printed board to each other; a board concave part formed in a position of the printed board, the position corresponding to the projecting part; and a land surface formed on the printed board along an edge of the board concave part, wherein the printed board is provided so that a part of the solder guiding hole is positioned above the land surface when the printed board is inserted in the case. | 12-22-2011 |
| 20110310500 | LENS DRIVING DEVICE CAPABLE OF SUPPRESSING A REDUCTION OF MAGNETIC EFFICIENCY OF A MAGNETIC CIRCUIT - A lens driving device includes a ring-shaped driving coil fixed to a lens holder so as to position around a tubular portion thereof and a rectangular hollow cylindrical yoke including a plurality of flat-shaped permanent magnets opposite to the driving coil. Each flat-shaped permanent magnet has both ends in a horizontal direction which extend in the proximity of opposed two sides of the yoke. The driving coil is disposed so as to extend up to the vicinity of the both ends in the horizontal direction of each flat-shaped permanent magnet. | 12-22-2011 |
| 20110309769 | POWER CONTROL DEVICE FOR LED LIGHTING AND LIGHTING SYSTEM - A lighting system including a power control device for controlling illuminance of a lighting fixture by outputting current to drive the lighting fixture and controlling the current, a plurality of lighting fixtures each driven to be lit by the power control device, and a switch device incorporating an energy self-supplying unit converting an operating force of a switch button into electric energy. The power control device includes a first circuit section having a receiver for receiving a wireless signal having a predetermined frequency and a control signal generating circuit for generating a control signal according to the number of times of reception of the wireless signal and operated by a first power system and a second circuit section operated by a second power system and outputting current according to the control signal from the first circuit section, and the second power system is not operated when not outputting current. | 12-22-2011 |
| 20110291586 | POWER SOURCE CONTROL DEVICE OF ILLUMINATOR AND LIGHTING SYSTEM - A power source control device for controlling an illuminance of an illuminator by outputting a current for driving the illuminator and by controlling the current, including: a receiver for receiving a wireless signal having a predetermined frequency; a storage section for storing a setting table holding a first code indicating a predetermined device identification code; a control signal generating circuit for comparing a second code included in the wireless signal with the first code to output a control signal when the second code agrees with the first code; and a current outputting circuit for generating and outputting a current according to the control signal generating circuit, wherein the power source control device controls the illuminance of the illuminator according to the wireless signal from a desired wireless signal transmitting device in response to a change of the first coded held in the setting table. | 12-01-2011 |
| 20110281425 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - A method of manufacturing a semiconductor device includes forming a photoresist pattern on an insulating film formed on a semiconductor substrate by applying a photoresist on the insulating film; processing the insulating film by removing an unnecessary portion of the insulating film by wet etching; and implanting ions into the insulating film before and/or after forming the photoresist pattern. In implanting the ions, the depth of a damaged region formed in the insulating film by implanting the ions is changed in accordance with the presence or absence of the photoresist pattern. | 11-17-2011 |
| 20110274952 | FUEL GAUGE CIRCUIT AND BATTERY PACK - A fuel gauge circuit detects a residual quantity of a battery | 11-10-2011 |
| 20110273825 | RECEIVING DEVICE AND MANUFACTURING METHOD THEREOF - A receiving device includes a board on which components for receiving a digital broadcasting signal are mounted; a non-conductive casing configured to accommodate the board; and a non-conductive lid configured to cover the board and being connected to the non-conductive casing, wherein the board has a conductive portion located in an edge portion of the board facing a gap formed in a connecting portion between the casing and the lid. | 11-10-2011 |
| 20110273804 | PROTECTION MONITORING CIRCUIT AND BATTERY PACK - A protection monitoring circuit | 11-10-2011 |
| 20110273624 | RECEIVING DEVICE - A receiving device includes a circuit board having mutually opposite first and second surfaces, the circuit board including a tuner mounted on the second surface to receive a digital broadcasting signal, a decoder IC mounted on the first surface to convert an intermediate frequency signal output from the tuner into analog video and audio signals, and a power supply circuit mounted on the first surface to supply a power source voltage to the decoder IC via a power supply path, and a plurality of capacitors mounted on the circuit board and connected in parallel to the power supply path. The plurality of capacitors include first-group capacitors mounted on the first surface and second-group capacitors mounted on the second surface in an area of the circuit board defined by an orthogonal projection of the decoder IC on the first surface onto the second surface. | 11-10-2011 |
| 20110270552 | DELTA-SIGMA AD CONVERTER CIRCUIT AND BATTERY PACK - A delta-sigma AD converter circuit includes a modulation unit to produce pulse density modulated data by pulse density modulation of an analog signal, and a filtering unit to convert the pulse density modulated data into pulse code modulated data, wherein the modulation unit includes a shift register to store and shift the pulse density modulated data in synchronization with a clock, a counter to generate a register store instruction signal and a read request signal upon a count value reaching a predetermined value responsive to a mode, the count value being a count of a number of shifts of the shift register, and a plurality of registers to store plural data obtained by dividing data stored in the shift register and to hold the plural data in such a form that each of the plural data is readable independently of the others, wherein one or more of the plurality of registers store the pulse density modulated data stored in the shift register in response to the register store instruction signal, and the filtering unit reads the pulse density modulated data from one or more of the plurality of registers responsive to the mode in response to the read request signal. | 11-03-2011 |
| 20110268228 | RECEIVING DEVICE - A receiving device includes a case body having an insertion slot of a contact IC card formed in the case body, a tuner arranged in the case body to receive a digital broadcasting signal, and a digital circuit board arranged in the case body to accommodate the tuner mounted on the digital circuit board. In the receiving device, the digital circuit board is arranged to include a debugging circuit pattern formed in a predetermined area at an end portion of the digital circuit board, the debugging circuit pattern being arranged to connect an integrated circuit mounted on the digital circuit board to a debugging circuit for debugging of the integrated circuit. | 11-03-2011 |
| 20110267236 | BROADBAND ANTENNA UNIT COMPRISING A FOLDED PLATE-SHAPED MONOPOLE ANTENNA PORTION AND AN EXTENDING PORTION - In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section and an extending portion extending from the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance. A ratio between a width of the ground plate and the predetermined distance is substantially 5:2 when a ratio between the width of the ground plate and a width of the folded plate-shaped monopole antenna portion is 2:1. | 11-03-2011 |
| 20110267115 | POWER-ON RESET CIRCUIT WITH SUPPRESSED CURRENT - A power-on reset circuit includes a first monitor circuit that monitors a power supply voltage, an output circuit that outputs a reset release signal upon detection, by the first monitor circuit, of the power supply voltage exceeding a first predetermined value, and a control circuit having lower current consumption than the first monitor circuit, wherein the control circuit includes a second monitor circuit that monitors the power supply voltage, a suppression circuit that suppresses current flowing through the first monitor circuit upon detection, by the second monitor circuit, of the power supply voltage exceeding a second predetermined value higher than the first predetermined value, and an output fixing circuit that fixes the output of the output circuit to a predetermined potential upon detection, by the second monitor circuit, of the power supply voltage exceeding the second predetermined value. | 11-03-2011 |
| 20110254131 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - In a semiconductor integrated circuit device including a digital circuit region in which a digital circuit is formed, and an analog circuit region in which an analog circuit is formed, the analog circuit region is separated into an active element region in which an active element of the analog circuit is formed, and a resistive and capacitive element region in which a resistor or a capacitor of the analog circuit is formed, the resistive and capacitive element region is arranged in a region adjacent to the digital circuit region, and the active element region is arranged in a region separated from the digital circuit region. | 10-20-2011 |
| 20110244638 | SEMICONDUCTOR DEVICE MANUFACTURING METHOD - A semiconductor device manufacturing method is a method of forming a semiconductor device that includes a cell part that includes plural transistor cells in each of which a gate of a trench type is formed in a semiconductor layer, and diffused layers are formed on both sides of the gate, and a guard ring part that surrounds the cell part. The semiconductor device manufacturing method includes forming an interlayer dielectric film on a surface of the semiconductor layer in which the gate and the diffused layers are formed; reducing a thickness of the interlayer dielectric film formed in the cell part through etch back; forming a contact part having a shape of a hole or a groove in the interlayer dielectric film at a position above the diffused layer; and forming a metal film on the interlayer dialectic film. | 10-06-2011 |
| 20110241693 | BATTERY PACK, SEMICONDUCTOR INTEGRATED CIRCUIT, REMAINING CAPACITY CORRECTION METHOD, AND STORAGE MEDIUM - A battery pack includes a voltage detection part configured to detect the voltage of a battery unit including multiple chargeable and dischargeable secondary cells; a current detection part configured to detect a current flowing through the battery unit; a dischargeable capacity calculation part configured to calculate the dischargeable capacity of the battery unit based on the current detected by the current detection part; and a capacity correction part configured to correct the remaining capacity of the battery unit, the remaining capacity including the dischargeable capacity calculated by the dischargeable capacity calculation part, wherein the capacity correction part is configured to correct the remaining capacity based on an estimated dischargeable capacity calculated from the relationship between a preset predetermined voltage and the drop rate of the voltage of the battery unit, in response to the voltage of the battery unit becoming less than or equal to a predetermined threshold. | 10-06-2011 |
| 20110226927 | FIXATION STRUCTURE OF ANTENNA APPARATUS - Disclosed is a fixation structure of an antenna apparatus including a base member in which a nut portion is formed, a fixation member which is inserted in the fixation opening and has a shape that can contact with a periphery of the fixation opening when the antenna apparatus is attached to the mounting surface and a bolt which is screwed into the nut portion in a state where the bolt is inserted into the fixation member, and the bolt is screwed into the nut portion to hold and fix the mounting surface by the base member and the fixation member after the fixation member and the bolt are inserted into the fixation opening and the fixation member is rotated for a predetermined angle, the bolt being a shaft center, the fixation member comprises a rotation inhibiting unit which is formed facing the base member, and the base member comprises an engaging hole by which the rotation inhibiting unit is engaged when the bolt is screwed into the nut portion. | 09-22-2011 |
| 20110221499 | COUNTER CIRCUIT AND PROTECTION CIRCUIT - A counter circuit is provided that can switch delay times by use of a simple circuit configuration. A counter circuit includes plural stages of flip flops connected in cascade, in which a flip flop in a first stage receives a clock from an oscillator as an input signal, and a flip flop in a given stage after the first stage receives a Q output of a preceding stage as an input signal, wherein all or part of the plural stages of flip flops receive a mode signal, and wherein each of the plural stages of flip flops divides by 2 a frequency of the received input signal for output as a Q output when the mode signal indicates a normal delay mode, and each stage of the flip flops that receives the mode signal allows through passage of the received input signal for output as a Q output when the mode signal indicates a delay shortened mode. | 09-15-2011 |
| 20110215765 | PROTECTION CIRCUIT AND BATTERY PACK - A protection circuit includes a detector to detect an overcharging or an excessive discharging of a battery, from a voltage of a power terminal coupled to the battery, a controller to generate a control signal to stop the charging or the discharging of the battery when a detection of the overcharging or the excessive discharging is continuously detected by the detector for a predetermined time, and a current varying circuit to vary a current flowing through the power terminal only for a certain time when the detector detects the overcharging or the excessive discharging of the battery. | 09-08-2011 |
| 20110212562 | METHOD OF PRODUCING A BIOSENSOR - A method for manufacturing a biosensor includes forming a laminate of a first silicon oxide film and a polysilicon film on one surface of a silicon substrate; forming a second silicon oxide film on the other surface of the silicon substrate; forming a source electrode, a drain electrode, and a channel on the first silicon oxide film, the channel connecting the source electrode and the drain electrode; and removing the polysilicon film. | 09-01-2011 |
| 20110206949 | COMMUNICATION DEVICE AND BATTERY PACK CONTAINING COMMUNICATION DEVICE - A communication device includes a first JK flip-flop (FF) outputting a first output signal in response to a first input signal at a J-input and a reversed signal of the first input signal at a K-input, and a second JK FF outputting a second output signal in response to a second input signal at a J-input and a reversed signal of the second input signal at a K-input. A clock input to a NAND gate ( | 08-25-2011 |
| 20110205770 | POWER SOURCE CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT AND INSULATED DIRECT-CURRENT POWER SOURCE DEVICE - A power source controlling IC controlling a current flown through the primary side winding of a transformer is provided with an external terminal to which a detected voltage from the secondary side is fed back through a photocoupler; a control circuit generating and outputting a control signal of a switching element controlling the current according to an input voltage; a voltage generating circuit generating an internal reference voltage based on the input voltage; a pull-up section connected to the terminal to pull up the potential of the terminal to the internal reference voltage to give a bias voltage to a light receiving element of the photocoupler; and a voltage comparing circuit comparing the voltage of the external terminal and a predetermined reference voltage, wherein the control circuit stops outputting the control signal based on the output of the first voltage comparing circuit when detecting an abnormality. | 08-25-2011 |
| 20110205647 | LEAF SPRING WITH HIGH THRUST - A leaf spring supports a pillar shaped movable portion disposed in a center portion with respect to a cylindrical fixed portion disposed around the movable portion in the direction of a center axis shiftably so as to position the movable portion in a radial direction. The leaf spring is made of stainless steel having relative magnetic permeability which is not less than 1.1. | 08-25-2011 |
| 20110205646 | LEAF SPRING WITH HIGH VICKERS HARDNESS - A leaf spring supports a pillar shaped movable portion disposed in a center portion with respect to a cylindrical fixed portion disposed around the movable portion in the direction of a center axis shiftably so as to position the movable portion in a radial direction. The leaf spring is made of a material having Vickers hardness which is not less than 500 (HV). | 08-25-2011 |
| 20110205600 | OPTICAL SCANNING APPARATUS, DRIVE CONTROL CIRCUIT, AND WRITING CONTROL METHOD - An optical scanning apparatus for projecting an image by scanning a light beam from a light source includes a mirror for scanning the light beam from the light source by being oscillated at resonance frequency and a drive control part controlling a timing for activating the light source. The drive control part includes a mirror drive voltage generation part for generating a mirror drive voltage for oscillating the mirror, a sinusoidal wave value storage part for storing a sinusoidal wave value used for generating the mirror drive voltage, an address counter for counting an address of the sinusoidal wave storage part, and a timing signal generation part for outputting a timing signal to control the timing for activating the light source to the drive control part. The timing signal generation part is for outputting the timing signal when the address of the sinusoidal wave storage part matches a predetermined address. | 08-25-2011 |
| 20110199742 | AC ADAPTER - An AC adapter including an electronic device, a first circuit board on which the electronic device is mounted, a second circuit board separated from the first circuit board, a connector mounted on the second circuit board and electrically connected to the second circuit board, first and second metal wirings that electrically connect the first and the second circuit boards, and an insulation case installing the first circuit board, the electronic device, the second circuit board, and the connector therein and including a projecting part interposed between the first and second metal wirings. | 08-18-2011 |
| 20110193224 | SEMICONDUCTOR DEVICE - In a semiconductor device, a pad electrode is disposed on a surface of a semiconductor substrate, and a surface-protective film is disposed on the surface of the semiconductor substrate and the pad electrode. The surface-protective film has an opening to expose a part of the pad electrode. A bump electrode is disposed on the part of the pad electrode exposed from the opening, and a bump is disposed on the bump electrode. The surface-protective film further has a slit at a location above the pad electrode. The slit has a frame shape surrounding a periphery of the bump electrode. The slit extends from a surface of the surface-protective film, which is opposite to the semiconductor substrate, and reaches the pad electrode. | 08-11-2011 |
| 20110187343 | COMMUNICATION DEVICE AND BATTERY PACK IN WHICH THE COMMUNICATION DEVICE IS PROVIDED - A communication device, includes a CMOS type inverter configured to transfer a signal, the signal being transferred and received between an electronic device and a control part able to communicate with the electronic device whose electric power supply is a rechargeable battery; and a regulator configured to generate a regulated voltage, the regulated voltage being formed by decreasing an electric power supply voltage of the electronic device, wherein the regulator includes a depletion type NMOS transistor where a drain is connected to a high electric potential side of the electric power supply voltage and a gate and a source are mutually connected, and a capacitive element having an electrode connected to the source side and another electrode connected to a low electric potential side of the electric power supply voltage, wherein a voltage of the capacitive element is supplied across both ends of the inverter. | 08-04-2011 |
| 20110187329 | BATTERY CONDITION DETECTOR, BATTERY PACK INCLUDING SAME, AND BATTERY CONDITION DETECTING METHOD - A battery condition detector configured to detect a micro short circuit of a rechargeable battery is disclosed. The battery condition detector includes a processing part configured to calculate the remaining capacity and the full-charge capacity of a rechargeable battery | 08-04-2011 |
| 20110178746 | PORTABLE DEVICE, BATTERY PACK, DISPLAY CONTROLLING METHOD, AND DISPLAY CONTROLLING PROGRAM - A portable device driven by a secondary battery which is chargeable and dischargeable, the portable device including a full charge detecting unit configured to detect full charge of the secondary battery in receipt of a report of the full charge and acquires capacity data indicative of a capacity of the secondary battery, a memory controlling unit configured to store the capacity data acquired by the full charge detecting unit in a memory unit, and a display control unit configured to cause a display unit of the portable device to display the capacity data stored by the memory controlling unit in chronological order. | 07-21-2011 |
| 20110164050 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a backlight implemented by an LED ( | 07-07-2011 |
| 20110157482 | VIDEO DISPLAY DEVICE - A video display device displays an image of an input video signal. In the video display device, the video signal is supplied to a frequency component analyzing device, and the frequency component analyzing device extracts a frequency of each of frequency bands from video information of one screen with respect to the image. An image quality control circuit of the video display device performs an image quality control of the image based on the extracted frequencies of the respective frequency bands. | 06-30-2011 |
| 20110157409 | IMAGE QUALITY ADJUSTING DEVICE, IMAGE QUALITY ADJUSTING METHOD, AND IMAGE QUALITY ADJUSTING PROGRAM - An image quality adjusting device | 06-30-2011 |
| 20110148728 | CHIP ANTENNA - Disclosed is a chip antenna comprising: a base portion including a dielectric, a magnetic substance or a magnetic dielectric; a spiral antenna electrode which is opposed to a ground portion and which is provided inside the base portion; and a power feeding connecting terminal to feed power to the antenna electrode, wherein a first side portion including an outermost peripheral end of the antenna electrode, or a second side portion connected to the first side portion including the outermost peripheral end, is disposed at a position closest to the ground portion at a predetermined distance away from the ground portion, and the power feeding connecting terminal is connected to a side portion extending in a direction substantially perpendicular to the ground portion. | 06-23-2011 |
| 20110134159 | LIQUID CRYSTAL DISPLAYING DEVICE AND METHOD - A disclosed liquid crystal displaying device having a liquid crystal displaying unit and a backlight unit includes a signal processing unit dividing an input signal into plural blocks in conformity with a predetermined number of dividing a screen of the backlight unit, a high frequency component acquiring unit acquiring high frequency components for the blocks; a signal component analyzing unit analyzing signal components of the input signal for the blocks, a low frequency component acquiring unit acquiring low frequency components for the blocks, a backlight driving signal generating unit generating a backlight driving signal based on signals acquired by the signal component analyzing unit and the low frequency component acquiring unit, an inverter inverting the backlight driving signal, and a synthesizing unit acquiring a synthesized signal displayed by the liquid crystal displaying unit based on the input signal, the high frequency components, and the inverted driving signal. | 06-09-2011 |
| 20110128207 | CARD TYPE WIRELESS COMMUNICATION MODULE - A card type wireless communication module, includes a board; a plurality of terminals formed on the board, the terminals including an external antenna terminal, the terminals having a plating process applied thereto; and a ground pattern formed on the board; wherein a feeding wiring pattern arrangement area is formed between forming positions of the terminals on the board and a forming position of the ground pattern, the feeding wiring pattern arrangement area has a feeding wiring pattern formed thereon, the feeding wiring pattern feeds power to the terminals at the time of an electrolytic plating process, and the feeding wiring pattern is removed after the electrolytic plating process is completed. | 06-02-2011 |
| 20110128193 | CARD DEVICE FOR WIRELESS COMMUNICATION - A card device for wireless communication which is to be attached to a mobile communication terminal includes a card substrate, a parasitic antenna element for transmission and reception formed on a first surface of the card substrate, and a feed antenna element for transmission and reception formed on a second surface of the card substrate opposite the first surface of the card substrate, wherein the parasitic antenna element and the feed antenna element have substantially the same shape, and are arranged to substantially completely overlap each other across the card substrate. | 06-02-2011 |
| 20110119005 | BATTERY-STATE MONITORING APPARATUS - A battery-state monitoring apparatus includes: a secondary battery | 05-19-2011 |
| 20110115530 | OUTPUT CURRENT DETECTING CIRCUIT AND TRANSMISSION CIRCUIT - An output current detecting circuit includes: a current detecting transistor having a size smaller than that of an output transistor and a control terminal, to which a voltage same as a control voltage of the output transistor is applied; a sensing resistor connected to the current detecting transistor in a serial mode; a comparison circuit comparing a voltage converted by the sensing resistor and a reference voltage to judge a magnitude of a current flowing through the output transistor; and a reference voltage generating circuit, wherein the reference voltage generating circuit includes a constant current circuit flowing a constant current and a resistance element having one terminal connected to a power source voltage terminal, the reference voltage generating circuit generating the reference voltage based on a power source voltage by the conversion of the constant current into a voltage by flowing the constant current through the resistance element. | 05-19-2011 |
| 20110115528 | REFERENCE VOLTAGE GENERATING CIRCUIT AND RECEIVER CIRCUIT - Disclosed is a reference voltage generating circuit including a constant current circuit which comprises: a first resistive element and a bipolar transistor connected in series between a supply voltage terminal and a constant potential point; a first MOS transistor having a gate connected to a node connecting the first resistive element with the bipolar transistor; a second resistive element connected in series between a source of the first MOS transistor and the constant potential point; a second MOS transistor connected between a drain of the first MOS transistor and the supply voltage terminal; and a third MOS transistor forming a current mirror in conjunction with the second MOS transistor, wherein a constant current generated by the constant current circuit or a current proportional to the generated constant current is converted to a voltage as a reference voltage. | 05-19-2011 |
| 20110112782 | BATTERY STATUS DETECTION DEVICE - A battery status detection device for detecting the status of a secondary battery | 05-12-2011 |
| 20110109613 | MOBILE DEVICE, BATTERY PACK, SEMICONDUCTOR DEVICE, DISPLAY CONTROL METHOD, AND DISPLAY CONTROL PROGRAM - A mobile device includes a plurality of applications and is driven by a chargeable and dischargeable secondary battery to perform the applications. The mobile device includes a remaining quantity detecting unit which detects a remaining quantity of the secondary battery, a current consumption computing unit which computes a current consumption consumed by execution of each of the applications, a processing amount computing unit which computes an executable processing amount of each of the applications based on the battery remaining quantity detected by the remaining quantity detecting unit and the current consumption of each of the applications computed by the current consumption computing unit, and a display control unit which displays the executable processing amount of each of the applications computed by the processing amount computing unit on a display device of the mobile device. | 05-12-2011 |
| 20110101498 | SEMICONDUCTOR DEVICE AND ARRANGEMENT METHOD THEREOF - An arrangement method of a semiconductor device including external connection terminals and inductors, the terminals being arranged at a predetermined pitch in a lattice pattern is provided. The method includes determining the arrangement of the terminals, determining a maximum width of air-core portions of the inductors, drawing first virtual lines passing a central position between two adjacent ones of the terminals in a first direction, drawing second virtual lines passing a central position between two adjacent ones of the terminals in a direction orthogonal to the first direction, determining a permissible range of distances between the first and second virtual lines nearest to each inductor and the inductor center, and arranging the inductors such that at least one of a distance between the nearest first virtual line and the inductor center and a distance between the nearest second virtual line and the inductor center falls within the permissible range. | 05-05-2011 |
| 20110075375 | TUNER MODULE CAPABLE OF PREVENTING A HEAT CONDUCTIVE SHEET FROM ARISING - A tuner module includes a circuit board, an electronic component, mounted on the circuit board, for demodulating a high frequency reception signal received from an antenna unit to produce a speech signal, a metal case accommodating the circuit board and the electronic component therein, and a heat conductive sheet, disposed between the electronic component and the metal case, made of an elastic body. The heat conductive sheet has dimensions which are substantially equal to or slightly lower than outer dimensions of the electronic component. The metal case has at least one slit-shaped hole which is formed along an outer shape of the electronic component. | 03-31-2011 |
| 20110074648 | ANTENNA DEVICE - An antenna device includes a ground section including a planar section, a feeding section, a first feeding element arranged along the planar section of the ground section, and a second feeding element including a loop-like body portion arranged parallel to the first feeding element at a predetermined distance from the first feeding element, the loop-like body portion including one end portion bent to be electrically connected to the ground section, and the other end portion bent to be electrically connected to the feeding section. Both of the one end portion and the other end portion of the second feeding element are provided in a vicinity of an outer periphery of the ground section. | 03-31-2011 |
| 20110074356 | Charge and Discharge Circuit of Secondary Battery and Battery Pack - A charge and discharge circuit and a battery pack, both capable of voluntarily perform proper switching between a charge operation and a discharge operation of a secondary battery according to various situations, are provided. The charge and discharge circuit of a secondary battery is one capable of charging the secondary battery E | 03-31-2011 |
| 20110057967 | IMAGE DISPLAY DEVICE - An image display device displays an input video signal on a display panel. The image display device includes: a computation unit which computes the reciprocal of a luminance signal and/or a chrominance signal, acquired when a white signal in the order of 100% is input to display a white screen on the display panel and an image of the white screen is captured by an imaging device; a memory unit which stores the reciprocal computed by the computation unit as correction data; and a correction unit which corrects luminance irregularity and/or color irregularity on the display panel by multiplication of the input video signal and the correction data stored in the memory unit. | 03-10-2011 |
| 20110031099 | DOME SHAPED SPRING AND SWITCH - Disclosed is a dome shaped spring including: a dome shaped spring section in which buckling occurs by pushing, wherein at least a portion of a neutral face of a movable portion when buckling of the dome shaped spring section occurs is an aspherical shape. | 02-10-2011 |
| 20110031094 | CARD CONNECTOR AND DETECTION SWITCH - The card connector can adequately detect the state in which an electronic device such as a memory card to be inserted and removed is fitted, and saves the footprint for mounting the card connector. With this card connector ( | 02-10-2011 |
| 20110009002 | CONNECTOR - Disclosed is a connector, comprising: a shell provided as a cylindrical shape having an opened front side; a first insulator arranged in the shell; a second insulator arranged in the shell to be parallel to the first insulator; a first contact provided to be arranged in the first insulator; a second contact provided to be arranged in the second insulator; and a partition section arranged in the shell in a state of projecting from an outside of the shell to an inside of the shell so as to partition a hollow in the shell to a first region in which the first insulator exists and a second region in which the second insulator exists as viewed from the front side of the shell, the partition section being provided to be movable to the outside of the shell. | 01-13-2011 |
| 20100328179 | ANTENNA UNIT INCLUDING A SHIELD COVER HAVING A CEILING PORTION WITH A MOUNTER VACUUMED PORTION - A shield cover is disposed so as to be opposed to a bottom plate and electromagnetic-shields a signal processing circuit mounted on a rear surface of a circuit board. The shied cover has a ceiling portion which includes a mounter vacuumed portion disposed in a center portion of the ceiling portion and vacuumed by a vacuum nozzle of a mounter, a ring-shaped outer edge disposed from an end of the side wall portion inwardly, and a plurality of beam portions joining the mounter vacuumed portion to the outer edge. An electromagnetic shielding of the signal processing unit is carried out using both of the shield cover and the bottom plate. | 12-30-2010 |
| 20100315305 | HYBRID ANTENNA UNIT - A hybrid antenna unit includes a circuit board having top and bottom surfaces, a planer antenna element which is mounted on the top surface of the circuit board and which receives first and second radio waves, an antenna base and a top cover that cover the circuit board and the planer antenna element. A bar antenna element stands on the top cover in a slanting position. A processing unit is mounted on the bottom surface of the circuit board and is connected to the planer antenna element. The processing unit processes the first and the second radio waves. A shielding case is mounted on the bottom surface of the circuit board and shields the processing unit. A booster circuit is mounted on the circuit board and is for use in the bar antenna element. | 12-16-2010 |
| 20100315185 | VIBRATION GENERATOR - A vibration generator | 12-16-2010 |
| 20100314945 | BIDIRECTIONAL CONVERTER AND ELECTRONIC DEVICE - Provided is a bidirectional converter which has flexibility to be applicable in various conditions and performs stable switching of operation mode at high efficiency. An electronic device which supplies power in various conditions and operates with excellent efficiency is also provided. An electronic device is provided with a bidirectional converter, which has a reactor and four switches between power supply input terminals and a secondary battery, and a system circuit is supplied with an operation voltage through the bidirectional converter. A status signal indicating the operation status of the system circuit is transmitted to a microcomputer of the bidirectional converter, and based on the status signal, switching of operation mode of the bidirectional converter is controlled. | 12-16-2010 |
| 20100283442 | DC-DC CONVERTER AND SEMICONDUCTOR INTEGRATED CIRCUIT FOR CONTROLLING POWER SOURCE - A control technology which eliminates the need for changing the switching frequency even under light load where the on-time of a drive switching element becomes shorter than a minimum on-time dependent on the characteristics of the circuit in a synchronous rectification switching regulator. The synchronous rectification switching regulator includes a drive switching element for storing energy in a coil by applying a DC input voltage from a DC power supply to an inductor and permitting a current to flow, and a rectification switching element for rectifying the current of the inductor during an energy discharge period where the drive switching element is turned off. The timing for turning off the rectification switching element under light load is delayed so as to store energy in the inductor from the output, and the on-time is controlled to become longer as the load becomes lighter by the output from an error amplifier. | 11-11-2010 |
| 20100245188 | ANTENNA UNIT HOUSED IN AN OUTSIDE MIRROR - In an antenna unit including a dome-shaped top cover, an antenna module disposed in the top cover and adapted to receive radio waves, a bracket covering an under surface of the top cover, and a gasket disposed between the top cover and the bracket to thereby ensure hermeticity in the top cover, the bracket includes a bottom portion pressure welding the gasket between the bottom portion and the top cover to make inside of the top cover an enclosed space, and a mounting portion integrated to the bottom portion to enable the antenna unit to mount in a narrow-mounting-space cabinet. | 09-30-2010 |
| 20100231573 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAYING DEVICE USING THE BACKLIGHT DEVICE - A backlight device which uses a light emitting diode as a light source, the back light device being configured to irradiate a liquid crystal display panel from a rear surface of the liquid crystal display panel, the backlight device having a structure where plural lines are provided on a backlight board with a certain gap, each of the lines being where plural of the light emitting diodes are provided, the backlight device includes a light emitting diode driving part configured to segment an entire screen of the backlight board into plural segmented regions and configured to independently control brightness of the light emitting diodes with a segmented region unit. | 09-16-2010 |
| 20100226572 | COLOR CORRECTION CIRCUIT AND IMAGE DISPLAY APPARATUS USING SAME - A color correction circuit includes a detection part configured to detect the luminance information and chromaticity histogram information of an input video signal of one of an RGB color space and a YCbCr color space, the chromaticity histogram information including chroma and hue information; and a control part configured to control the color reproduction of the video signal based on the luminance information and the chromaticity histogram information detected by the detection part. The detection part includes a hue detection part configured to convert the video signal to an HSV color space and to detect a hue of the video signal from hues of the HSV color space. | 09-09-2010 |
| 20100225514 | ANALOG/DIGITAL CONVERSION DEVICE - An disclosed analog/digital conversion apparatus for converting an analog signal into digital data by cycling the analog signal through a fully differential amplifier circuit includes a polarity switching unit configured to switch connection polarities of the fully differential amplifier circuit; and a control unit configured to control the polarity switching unit in such a manner that the connection polarities of the fully differential amplifier circuit are switched between a first signal cycle and second and subsequent signal cycles. | 09-09-2010 |
| 20100225169 | REVERSE CURRENT PREVENTING CIRCUIT AND POWER SOURCE SWITCHING APPARATUS - A reverse current preventing circuit of an N channel type switching MOS transistor connected between a voltage input terminal and an output terminal to control a conduction state between the voltage input terminal and the output terminal, the circuit comprises: a first MOS transistor connected between a substrate of the switching MOS transistor and a ground point; and a second MOS transistor connected between the substrate of the switching MOS transistor and a point having a piece of predetermined constant potential higher than that of the ground point, wherein the piece of predetermined constant potential higher than that of the ground point is applied to the substrate of the switching MOS transistor while the switching MOS transistor is made to be in its on-state, and ground potential is applied to the substrate of the switching MOS transistor while the switching MOS transistor is made to be in its off-state. | 09-09-2010 |
| 20100220047 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY UNIT USING SAME - A backlight using multiple light-emitting diodes as a light source and illuminating a liquid crystal display panel from its back, the light-emitting diodes being formed of units, the units each being a minimum unit of m×n (where m and n are natural numbers), includes a driving part configured to drive the light-emitting diodes on a unit-by-unit basis; a block setting part configured to group two or more of the units into a block; and a luminance controlling part configured to control the luminance of the light-emitting diodes of the block independently on a block-by-block basis. | 09-02-2010 |
| 20100201327 | BATTERY PACK - In a battery pack including a protection circuit, a series circuit of a thermistor and a resistor is disposed in a vicinity of a secondary battery and connected in parallel with the secondary battery. A connection detecting circuit is disposed to detect connection of a charging device to the battery pack. A comparator is disposed to compare a voltage of a junction point of the thermistor and the resistor with a reference voltage corresponding to a predetermined temperature. A gate circuit is disposed to activate an output signal of the comparator only when the connection of the charging device is detected. The protection circuit is arranged so that, when a temperature of the secondary battery exceeds the predetermined temperature, a switch element is turned off in accordance with the output signal of the comparator activated. | 08-12-2010 |
| 20100197402 | SECURE AND/OR LOCKABLE CONNECTING ARRANGEMENT FOR VIDEO GAME SYSTEM - Compatible mechanical and/or electrical connections to video game system accessories provide unique shape, design and dimensions that discourage or prevent non-compatible devices from being connected, connector configurations that allow connection only in a proper orientation to ensure electrical compatibility and eliminate the possibility of short-circuits, quick release locking arrangement firmly mechanically holds mating connectors together despite extensive movement of the game player's arms and hands, staged electrical contacting sequence provides proper signal application sequence, and wrist strap to tether handheld remote controller to hand is attached to a locking connector that mates with a connector of the remote controller. | 08-05-2010 |
| 20100196747 | BATTERY PACK - A battery pack having a protection circuit to detect an overcharge, overdischarge, or overcurrent condition of a secondary battery and to turn off a switch element on a path connecting between the secondary battery and either a load or a charger device includes a series-connected thermistor and resistor disposed in proximity of the secondary battery and connected in parallel to the secondary battery, and a first comparator in the protection circuit to compare a voltage at a junction point between the thermistor and the resistor with a first reference voltage corresponding to a first predetermined temperature, wherein the protection circuit turns off the switch element by an output signal of the first comparator upon an exceeding of the first predetermined temperature by temperature of the secondary battery. | 08-05-2010 |
| 20100194371 | DC-DC CONVERTER AND SWITCHING CONTROL CIRCUIT - Disclosed a switching control circuit including: a first drive circuit to generate a drive signal for driving a driving switching element to flow current through an inductor for voltage conversion into on/off states; wherein the first drive circuit generates the drive signal so that a transition time of the drive signal in which the driving switching element shifts from an off state to an on state becomes longer than a transition time of the drive signal in which the driving switching element shifts from the on state to the off state. | 08-05-2010 |
| 20100194369 | DC-DC CONVERTER AND SWITCHING CONTROL CIRCUIT - A switching control circuit for controlling on/off of a switching element for driving an inductor for voltage conversion, the switching control circuit including: a voltage comparator for determining whether an output voltage of the inductor is in a first state where the output voltage is equal to or higher than a predetermined electric potential or in a second state where the output voltage is lower than the predetermined electric potential; a timing determination unit for determining an on-timing to turn on the switching element based on a clock signal having a predetermined frequency even when the output voltage is in the first state; and a drive control circuit for generating a driving signal to turn on or turn off the switching element based on an output signal of the timing determination unit. | 08-05-2010 |
| 20100188051 | Secondary battery charging circuit - The present invention provides a highly safe charging circuit with which overcharge of a secondary battery will never occur even when a failure occurs in a transistor or the like that controls the charging voltage or charging current or when a protection circuit does not operate normally. In a secondary battery charging circuit | 07-29-2010 |
| 20100182052 | CHOPPER TYPE COMPARATOR AND A/D CONVERTER - A chopper type comparator including a first power supply line to which a first power source is supplied, a second power supply line to which a second power source having lower voltage than the first power source is supplied, a reference voltage input part to which a reference voltage is input, a target comparison voltage input part to which a target comparison voltage is input, a comparing part configured to compare the size between the reference voltage input from the reference voltage input part and the target comparison voltage input from the target comparison voltage input part, an output part configured to output a comparison result of the comparing part, and a resistance value setting part configured to set resistance values of the first power supply line and/or the second power supply line. | 07-22-2010 |
| 20100176768 | CHARGING CONTROL CIRCUIT FOR SECONDARY BATTERY AND CHARGING CONTROLLER USING SAME - A charging control circuit for a secondary battery includes a temperature detection terminal for detecting the temperature of a secondary battery from an input detected voltage; a temperature comparison part having four threshold voltages corresponding to four reference temperatures, the temperature comparison part being configured to compare the four threshold voltages with the detected voltage input to the temperature detection terminal and to output a temperature range signal indicating the temperature range of the detected voltage; and a control part configured to control a charging current and/or a charging voltage based on the temperature range signal output from the temperature comparison part. | 07-15-2010 |
| 20100172158 | SWITCHING POWER SUPPLY APPARATUS AND PRIMARY SIDE CONTROL CIRCUIT - A synchronous rectification type DC-DC converter equipped with a burst mode prevents backward flows of currents on the secondary side thereof. The DC-DC converter turns off a control signal of a switching element on the primary side when the load thereof becomes light, and includes a voltage converting transformer, a first switching element connected to the primary side coil of the transformer, a primary side control circuit performing on-off control of the first switching element, a synchronously rectifying second switching element connected to the secondary side coil, and a secondary side control circuit performing on-off control of the second switching element. A pulse width ensuring circuit ensures that the pulse width of the control signal performing on-off control of the first switching element does not become equal to or less than the original width of a PWM pulse when entering the burst mode and when exiting the burst mode. | 07-08-2010 |
| 20100156724 | ANTENNA APPARATUS - Disclosed is an antenna apparatus, including: a multi-layer substrate having at least two substrates in a stacking manner and having a first through hole; an amplifying circuit on one face of the multi-layer substrate; a ground pattern formed between two adjacent substrates of the multi-layer substrate; an antenna pattern formed on the other face of the multi-layer substrate; and a first comb electrode having comb teeth and a second comb electrode having comb teeth, both of which are formed around the antenna pattern on the other face of the multi-layer substrate. The first comb electrode is electrically connected to the antenna pattern. The second comb electrode is electrically connected to the ground pattern through the first through hole. The comb teeth of the first comb electrode and the comb teeth of the second comb electrode are spaced from one another at predetermined intervals in a staggered manner. | 06-24-2010 |
| 20100149055 | AM/FM WINDOWPANE ANTENNA PATTERN STRUCTURE WHEREIN FEEDING POINT IS DISPOSED THEREINSIDE - In an automobile rear windowpane antenna apparatus including a defogger disposed on a rear windowpane plate at a lower portion thereof an antenna pattern is disposed above the defogger on the rear windowpane plate at an upper portion thereof and is disposed so as to extend between near a right end edge of a window frame and near a left end edge thereof. A feeding point is disposed inside the antenna pattern. | 06-17-2010 |
| 20100142901 | WAVEGUIDE FILM CABLE - A disclosed waveguide film cable includes a waveguide formed on a film. The waveguide film cable includes a coating film made of a material having a Young's modulus smaller than or equal to the Young's modulus of a material that forms the film and/or the waveguide and coats partially or entirely the film and/or the waveguide. | 06-10-2010 |
| 20100141549 | CIRCUIT SUBSTRATE SUPPORTING STRUCTURE AND ANTENNA APPARATUS - Disclosed is a circuit substrate supporting structure including: a base; a cover to cover over the base; a circuit substrate accommodated in the cover in a state standing on the base; a projecting section provided on the circuit substrate in a state projecting from a bottom edge section of the circuit substrate and placed on the base; an elastic piece placed on the projecting section; and a pressurizing section convexly provided on an inner wall of the cover above the projecting section to be pressed against the projecting section from above the elastic piece. | 06-10-2010 |
| 20100141534 | CABINET OF ELECTRICAL APPARATUS AND ANTENNA APPARATUS - Disclosed is a cabinet of an electrical apparatus including: a base; a cover to cover over the base; a gasket placed on a top face of the base and nipped between a bottom edge section of the cover and the base; a fastening section to penetrate through the base from a bottom face to the top face of the base to connect to an inner face of the cover and to tighten so that the base is pulled to a cover side; a seal integrally formed with the gasket to surround on the top face of the base a through hole which the fastening section penetrates; and a hood provided on an inner face of the cover so as to surround a connecting portion of the fastening section and the cover, and the hood being pressed against the seal. | 06-10-2010 |
| 20100134381 | ANTENNA APPARATUS - Disclosed is an antenna apparatus, including: a support member; a drum which is rotatably supported by the support member and whose outer circumference corresponds to faces of polygonal column; a case which covers the support member and the drum and which has a hole along a circumference direction of the drum; an antenna rod which extends from the outer circumference of the drum in a direction perpendicular to an axis of the drum toward an outside of the case through the hole of the case, and polyhedral faces which are provided inside the case and which are to be fitted into the outer circumference of the drum. | 06-03-2010 |
| 20100127676 | POWER SOURCE APPARATUS - Disclosed is a power source apparatus including: a connector for outputting electric power, wherein the apparatus performs power output through a cable connected to the connector, a power source circuit capable of changing an output thereof; a control circuit to perform output control of the power source circuit; and a first detection circuit including an input terminal for detection connected to wiring on a side of a tip of the cable to perform detection pertaining to an output quantity of electric power, wherein the output control is performed based on a detection signal of the first detection circuit, the detection signal fed back to the control circuit. | 05-27-2010 |
| 20100126841 | Dome sheet unit and membrane switch having the same - A membrane switch can attach an elastically deformable dome to a board in a reliable manner such that the dome is not detached even if a fixing sheet is made thinner and smaller and therefore has a smaller footprint. This switch has: a dome ( | 05-27-2010 |
| 20100117912 | ANTENNA WITH A METALLIC HOLDER DISPOSED BETWEEN AN ANTENNA ELEMENT AND A CIRCUIT BOARD - An antenna includes an antenna element, a circuit board, and a planer metallic holder disposed between the antenna element and the circuit board. The metallic holder supports the antenna element on a base. | 05-13-2010 |
| 20100102788 | DC-DC CONVERTER - A DC-DC converter including, an inductor; and a driving switching element for performing switching to a flow path to flow an electric current through the inductor; wherein the DC-DC converter drives the driving switching element by PWM control using a PWM control pulse to convert a direct-current input voltage supplied from a direct-current power source and to output a direct-current voltage having a piece of electric potential different from that of the direct-current input voltage, and wherein the DC-DC converter drives the driving switching element by the PWM control under a first condition, and the DC-DC converter makes the driving switching element be in an on-state continuously while the output direct-current voltage is lower than a desired level under a second condition. | 04-29-2010 |
| 20100097713 | LENS DRIVING DEVICE COMPRISING A LENS BARREL HAVING A LOWER END PORTION MAKING CONTACT WITH A BASE - In a lens driving device including a lens barrel having an outer wall in which a male screw thread is cut, a tubular lens holder having an inner wall in which a female screw thread is cut, a driving coil fixed to the lens holder so as to position around the lens holder, a fixed portion including a magnetic field generating portion including a permanent magnet opposite to the driving coil, and an elastic member mounted to the lens holder and the fixed portion and supporting the lens holder in a direction of an optical axis shiftably so as to position the lens holder in a radial direction, the lens barrel has a lower end portion which makes contact with a base of the fixed portion in a state where the driving coil is not energized. | 04-22-2010 |
| 20100097712 | LENS DRIVING DEVICE COMPRISING A DRIVING COIL DISPOSED CLOSE TO EXPOSED LENSES - In a lens driving device including a movable portion including a lens barrel having a plurality of lenses and a driving coil, a fixed portion including a magnetic field generating portion including a permanent magnet opposite to the driving coil, and an elastic member mounted to the movable portion and the fixed portion and supporting the movable portion in a direction of an optical axis shiftably so as to position the movable portion in a radial direction, the plurality of lenses are connected with the plurality of lenses fixed to each other. The lens holder holds only an uppermost one among the plurality of lenses and remaining ones in the plurality of lenses except for the uppermost one are put into an exposed state. The driving coil is disposed close to outer edges of the exposed lenses. | 04-22-2010 |
| 20100091179 | Module Connector - The module connector can accommodate a miniaturized module such as a camera module and reliably fix the module in an electrically connected state, and make the connector itself in lower profile. With this connector ( | 04-15-2010 |
| 20100068943 | Interface connector and plug - An interface connector makes parts to be fitted by insertion hold the state where a receptacle and a plug are fitted, and removes the plug easily from the receptacle when load is applied to the plug from a direction other than the insertion direction. In the interface connector ( | 03-18-2010 |
| 20100060244 | CHARGE CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT - Disclosed is a charge controlling semiconductor integrated circuit including: an electric current controlling transistor connected between a voltage input terminal and an output terminal to control an electric current which flows from the voltage input terminal to the output terminal; a power source monitoring circuit to detect status of input voltage of the voltage input terminal; and a transistor element connected between the voltage input terminal and a ground potential point, wherein a bypass capacitor is connected to the voltage input terminal; and the transistor element is turned on and the bypass capacitor discharges when the power source monitoring circuit detects the input voltage of the voltage input terminal is cut off. | 03-11-2010 |
| 20100055949 | Memory card connector - A memory card connector is able to insert and remove a memory card ( | 03-04-2010 |
| 20100052474 | METHOD OF DRIVING A DRIVING APPARATUS CAPABLE OF SMOOTHLY MOVING A MOVING MEMBER - A driving method is for a driving apparatus including an electro-mechanical transducer having first and second end surfaces opposite to each other in an expansion/contraction direction, a vibration friction portion mounted to the second end surface of the electro-mechanical transducer, a moving member frictionally coupled to the vibration friction portion, and a vibration transfer member disposed between the second end surface of said electro-mechanical transducer and an end surface of said vibration friction portion, whereby moving the moving member in the expansion/contraction direction of the electro-mechanical transducer. The driving method includes subjecting the electro-mechanical transducer to reciprocating displacement in a sawtooth waveform and transferring the reciprocating displacement of the electro-mechanical transducer to the vibration friction portion through the vibration transfer member, thereby linearly driving the moving member in a predetermined direction. | 03-04-2010 |
| 20100039847 | METHOD OF MANUFACTURING A SINGLE CHIP SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE INCLUDING A MASK ROM IN A SHORT TIME - In a state of a first semiconductor integrated circuit device on which a first semiconductor integrated circuit board including a first mask ROM and a programmable ROM are mounted, an ultimate program determined by using the programmable ROM is stored in a second ROM of a second semiconductor integrated circuit board which is substantially similar in structure to the first semiconductor integrated circuit board, thereby manufacturing a second semiconductor integrated circuit device as an ultimate product. | 02-18-2010 |
| 20100013442 | CHARGING SYSTEM, ELECTRONIC CIRCUIT DEVICE INCLUDING SECONDARY CELL, AND POWER SUPPLY DEVICE FOR CHARGING - Provided is a charging system wherein a voltage and a current can be accurately supplied from a power supply device even with a cable wiring resistance and a connector contact resistance, and the power supply device can be commonly used even for a plurality of kinds of electronic circuit devices whereupon different secondary cells are mounted. The charging system is provided with an electronic circuit device ( | 01-21-2010 |
| 20100009552 | Connector - A connector adequately detects a state of an electronic component such as a memory card which is fitted in the connector by way of insertion, even when scrapes of a housing of the electronic component are produced due to insertion and removal of the electronic component which is fitted. In this connector ( | 01-14-2010 |
| 20100002984 | OPTICAL WAVEGUIDE DEVICE - An optical waveguide device having a high impact resistance and which can prevent bending and disconnection of an optical fiber, includes a substrate formed with an optical waveguide; an optical fiber connected to both of end portions of the optical waveguide; and a case housing the substrate and holding the optical fiber through a flexible member. Since the optical fiber is held to the case with the flexible member therebetween, thermal stress caused by a difference of the linear expansion coefficient of the optical fiber and that of the case is absorbed by the flexible member, and bending and disconnection of the optical fiber can be prevented. The optical fiber is locked to the case by a stopper such that a tensile force applied to the optical fiber is not propagated to a connection section between the optical fiber and the optical waveguide, and thus, impact resistance is improved. | 01-07-2010 |
| 20100002317 | LENS DRIVING DEVICE COMPRISING MAGNETIC CIRCUIT WITH HIGH MAGNETIC EFFICIENCY - A lens driving device includes a lens holder including a tubular portion for holding a lens assembly, a driving coil fixed to the lens holder so as to position around the tubular portion and a yoke including a permanent magnet opposite to the driving coil. The yoke includes an outer hollow cylindrical portion having a rectangular cylindrical shape, the permanent magnet includes at least four permanent magnet pieces each having a rectangular cross section. Four magnetic circuit auxiliary members are disposed between four corners of the outer hollow cylindrical portion of the yoke and four ones of the permanent magnet pieces that are disposed at the four corners of the outer hollow cylindrical portion of the yoke. | 01-07-2010 |
| 20090320220 | Actuator and electric toothbrush using the same - An actuator allows miniaturization by realizing back-and-forth rotating motion of, for example, an electric brush without a drive transmitting mechanism which constitutes a separate entity from a drive source. In a movable body ( | 12-31-2009 |
| 20090320219 | Actuator and electric toothbrush using the same - An actuator allows miniaturization by realizing back-and-forth rotating motion of, for example, an electric brush without a drive transmitting mechanism which is a separate entity from a drive source. In a movable body ( | 12-31-2009 |
| 20090315523 | DC-DC CONVERTER - Provided is a DC-DC converter comprising: a drive switching element so that a current flows to an inductor, the drive switching element being driven by a PWM control pulse or a PFM control pulse, wherein a direct-current input voltage supplied from a direct-current power source is converted so as to output the converted direct-current voltage having a different potential, and wherein a PWM control is performed when a load is larger than a predetermined value and a PFM control is performed when the load is smaller than the predetermined value, the DC-DC converter further comprising: a pulse width regulation section to regulate the PWM control pulse so as not to have a pulse width smaller than a predetermined pulse width, at least when the PFM control is switched to the PWM control. | 12-24-2009 |
| 20090302805 | CHARGE-CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT - Disclosed is a charge-controlling semiconductor integrated circuit including: a current-controlling MOS transistor; a current detection circuit including a 1/N size current-detecting MOS transistor; and a gate voltage control circuit, wherein the current detection circuit includes an operational amplifier circuit, a bias condition of the current-detecting MOS transistor becomes same as the current-controlling MOS transistor based on an operational amplifier circuit output, voltage drops in lines from drain electrode to a corresponding input point of the operational amplifier circuit become the same by a parasitic resistance, and when the output of the operational amplifier circuit is applied to a control terminal of the bias condition controlling transistor, the drain voltages become the same potential, and the line from the drain electrode of the current-detecting MOS transistor to the input point is formed to be redundantly arranged inside the chip so that a parasitic resistance becomes a predetermined value. | 12-10-2009 |
| 20090289605 | CHARGE-CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT AND CHARGING APPARATUS - Disclosed a charge-controlling semiconductor integrated circuit comprising: a current-controlling MOS transistor connected between a voltage input terminal and an output terminal and controls flowing current; a substratum voltage switching circuit connected between the voltage input/output terminal and a substratum to which an input/output voltage is applied; and a voltage comparison circuit to compare the input/output voltage, wherein the charge-controlling semiconductor integrated circuit controls the substratum voltage switching circuit based on an output of the voltage comparison circuit, the voltage comparison circuit includes an intentional offset in a first potential direction, and in a preceding stage of a first input terminal of the voltage comparison circuit, a level shift circuit to shift the output voltage to an opposite potential direction is provided, and to a second input terminal of the voltage comparison circuit, the input voltage is input. | 11-26-2009 |
| 20090284995 | VOLTAGE DETECTING CIRCUIT AND SWITCHING POWER SOURCE APPARATUS - A voltage detecting circuit to perform voltage detection by introducing a voltage from a detection node, comprises: a first resistance, a second resistance, and a first switching element, connected in series with each other from the detection node to reference electric potential in order; and a detection circuit for performing a detection operation of a voltage by receiving input of the voltage from a node between the first resistance and the second resistance, wherein a control voltage generated on the basis of the voltage at the detection node is supplied to a control terminal of the first switching element, and the first switching element is turned on when the voltage at the detection node is large, and the first switching element is turned off when the voltage at the detection node is small. | 11-19-2009 |
| 20090284989 | FLYBACK SYSTEM POWER SOURCE APPARATUS - A flyback system power source apparatus, which applies a voltage intermittently to a primary winding of a transformer to perform voltage outputting onto a secondary winding side of the transformer, comprises: the transformer; a synchronously rectifying element for rectifying a current in a secondary winding of the transformer; and a synchronous rectification control circuit for detecting a voltage vibration caused in a terminal voltage of the secondary winding to perform operation control of the synchronously rectifying element on the basis of the detection. | 11-19-2009 |
| 20090279326 | SWITCHING POWER SOURCE APPARATUS - Disclosed a switching power source apparatus including: a transformer including a primary winding and a secondary winding; a switching element to intermittently apply a voltage to the primary winding by an on-off operation; and a synchronous rectifying element to rectify a current in the secondary winding, wherein the switching power source apparatus is a flyback system switching power source apparatus to receive input of electric power from a primary winding side to perform voltage output to a secondary wiring side, and the switching power source apparatus further comprises a load detection circuit to compare an output voltage to be output onto the secondary winding side with a voltage at a node between the synchronous rectifying element and the transformer by adding predetermined weighting to the voltages to be compared so as to generate a signal indicating a magnitude of an output load. | 11-12-2009 |
| 20090278978 | CAMERA MODULE COMPRISING THREE MEMBERS - A camera module includes an actuator body movably supporting a lens assembly along the direction of an optical axis of a lens, a sensor board on which an image pickup device is mounted, a base member disposed between the actuator body and the sensor board. The base member consists of one member which acts as an actuator base and a sensor base. | 11-12-2009 |
| 20090268581 | OPTICAL PICK-UP DEVICE - An optical pickup in which constituting components are arranged so that a dead space can be reduced and aberrations can also be reduced at a low manufacturing cost is provided. In an outward path for projecting a laser beam onto a recording surface | 10-29-2009 |
| 20090264024 | Interface connector - An interface connector makes the pitches between the contacts narrower and realizes miniaturization of the connector. This connector ( | 10-22-2009 |
| 20090264022 | Receptacle connector, plug connector and connector apparatus - A receptacle connector prevents a plug from being obliquely inserted with a simple configuration. Receptacle connector | 10-22-2009 |
| 20090257720 | OPTICAL COMMUNICATION MODULE - Disclosed is an optical communication module including a module base in an approximately rectangular shape in which the light path member is introduce from one end surface in a longitudinal direction, a cover member provided at an upper portion of the module base and a plurality of pairs of conductive members in which each of the conductive members constituting a pair are respectively disposed at both outside surfaces of the module base and which are electrically connected to the light path member, and a concave portion is formed at an upper surface of the module base, the cover member is formed so as to cover an opening of the concave portion, and the conductive members are formed so as to extend for equal lengths toward an upper surface side and a lower surface side of the module base from a center line of a height direction of the outside surfaces. | 10-15-2009 |
| 20090257704 | GAS DETECTION APPARATUS USING OPTICAL WAVEGUIDE - Provided is a gas detection apparatus comprising an optical waveguide, wherein the optical waveguide comprises: a core formed on a substrate, the core having a refraction index of n | 10-15-2009 |
| 20090239420 | CONNECTOR FOR CONNECTING ELECTRONIC COMPONENT - Provided is a connector for connecting an electronic component, which reduces noise radiation when the electronic component is connected to a substrate through the connector and driven. In a connector ( | 09-24-2009 |
| 20090237142 | CHARGE CONTROL CIRCUIT AND CHARGE CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT - A charge control circuit equipped with a function of controlling a charging current to be supplied to a secondary battery, comprises: a detecting unit for monitoring a temperature; and a charge control unit for controlling so as to break the charging current when the monitored temperature rises to a temperature equal to or more than a predetermined set temperature, decrease the charging current as the monitored temperature becomes higher when the monitored temperature is in a predetermined temperature range lower than the set temperature, flow the charging current having a predetermined current value in a state where the monitored temperature is lower than a lower limit temperature of the temperature range, or flow the charging current having a current value smaller than the current value when the monitored temperature is within a range of from an upper limit temperature of the temperature range to the set temperature. | 09-24-2009 |
| 20090232465 | Optical Waveguide Device and Method for Fabricating Optical Waveguide Device - An optical waveguide device in which optical loss is reduced. An optical waveguide film cable ( | 09-17-2009 |
| 20090208168 | CONNECTOR, OPTICAL TRANSMISSION MODULE AND OPTICAL-ELECTRICAL TRANSMISSION MODULE - A connector, including: a receptacle including a projecting terminal electrically connected to an external terminal; and a plug including a contact point with an elastic section to elastically deform when the projecting terminal is inserted therein to be electrically connected to the projecting terminal by resilience. | 08-20-2009 |
| 20090208165 | WAVEGUIDE TYPE OPTICAL ISOLATOR AND MAGNET HOLDER USED IN WAVEGUIDE TYPE OPTICAL ISOLATOR - A waveguide type optical isolator comprises a substrate, a waveguiding layer provided with waveguides, a magnetic garnet, magnetic field applying means, and a package substrate, wherein a first magnet and a second magnet is provided as the magnetic field applying means, and the first magnet and the second magnet are housed and fixed within a magnet holder. | 08-20-2009 |
| 20090207088 | ANTENNA APPARATUS - An antenna apparatus, including: an antenna device including a feeding point and a pair of antenna elements placed symmetrically with respect to the feeding point; and a parasitic device placed parallel to each of the antenna elements of the antenna device and including one or a plurality of elements placed at a position separated from each of the antenna elements, wherein the element of the parasitic device includes a gap at a center of the element in an extending direction and includes a pair of sub-elements structured symmetrically with respect to the gap as a boundary. | 08-20-2009 |
| 20090174347 | DIRECT-CURRENT POWER SUPPLY DEVICE, POWER SUPPLY DEVICE FOR DRIVING LED AND SEMICONDUCTOR INTEGRATED CIRCUIT FOR DRIVING POWER SUPPLY - Disclosed is a direct-current power supply device, including: an inductor; a switching element to intermittently supply a current to the inductor; an output terminal connected to an external unit; a rectifying element connected between the inductor and the output terminal; a PFM comparator to generate a first pulse signal having a pulse width corresponding to a voltage proportional to an output current of the external unit; a duty control circuit to generate a second pulse signal by controlling a pulse width of an oscillation signal having a predetermined frequency in response to an externally-supplied current control signal; a logic circuit configured to output the second pulse signal during a period when the first pulse signal is at a predetermined level; and a drive circuit to generate a drive signal for driving the switching element based on the second pulse signal. | 07-09-2009 |
| 20090174340 | DIRECT-CURRENT POWER SUPPLY DEVICE, POWER SUPPLY DEVICE FOR DRIVING LED AND SEMICONDUCTOR INTEGRATED CIRCUIT FOR CONTROLLING POWER SUPPLY - Disclosed is a direct-current power supply device, including: an inductor; a switching element to intermittently supply a current to the inductor; an external terminal to which an output current of an external unit is fed back; a control circuit to generate a pulse signal having a pulse width corresponding to an output voltage of the external terminal, generate a drive signal for driving the switching element in response to the pulse signal, and output the drive signal to the switching element; a variable current source which is connected to the external terminal and which is turned on and off in response to a shutdown signal; and a discharge unit which is connected between the external terminal and a ground point and which is turned on in response to the shutdown signal so that the output current fed back to the external terminal is discharged into the ground point. | 07-09-2009 |
| 20090158053 | Battery Pack and Electronic Apparatus - A battery pack includes at least one rechargeable battery configured to output power; a remaining battery capacity detection unit configured to detect a remaining battery capacity of the at least one rechargeable battery; and a cryptographic unit configured to output a response word in response to an external request word by encrypting the external request word based on a cryptographic algorithm with a common code key. | 06-18-2009 |
| 20090153103 | Portable Device and Battery Pack for the Same - A portable device is disclosed that includes a charge control circuit configured to control charging of a secondary battery included in a battery pack, the secondary battery being configured to supply power to the portable device; a temperature detection terminal at which the temperature of the secondary battery is detected from a temperature detection part of the battery pack; positive and negative power terminals to be connected to the battery pack; a control circuit configured to control the operation of the portable device; and an interface circuit connected between the temperature detection terminal and each of an input terminal of the charge control circuit and an input terminal of the control circuit, in which a signal detected at the temperature detection terminal is fed to each of the charge control circuit and the control circuit through the interface circuit. | 06-18-2009 |
| 20090124299 | MOBILE PHONE TERMINAL AND CHARGING SYSTEM - Disclosed is a mobile terminal incorporating a battery pack utilized as power supply. The mobile terminal includes a positive terminal connected to a battery pack positive electrode, a negative terminal connected to a battery pack negative electrode, a data communication terminal communicating with a circuit in the battery pack, a charge control unit controlling charging of the battery pack via the positive terminal, and a reference voltage output unit outputting reference voltage. The terminal further includes a dividing resistor and a thermistor connected in series between the reference voltage output unit and the negative terminal, a temperature detector detecting temperature, and stopping charging of the battery pack based on the detected temperature, and a switching device controlling the voltage at the predetermined portion. The terminal still further includes a control unit communicating with the circuit in the battery pack via the data communication terminal, and changing the voltage at the predetermined portion when notified abnormality from the battery pack. | 05-14-2009 |
| 20090124298 | MOBILE PHONE TERMINAL AND COMMUNICATION SYSTEM - Disclosed is a mobile phone terminal with a battery pack containing a retraceable battery as power supply, and transmitting and receiving radio-signals to and from a mobile phone system base transceiver station. The mobile phone terminal includes a data communication terminal communicating data with the battery pack, an intermittent receiving processor periodically carrying out intermittent receiving processing via the base transceiver station when the mobile phone terminal is in a standby operation, and a battery status determining unit transmitting, while the intermittent receiving processor is carrying out intermittent receiving processing, an activating signal to the battery pack via the data communication terminal and reading battery status data from the activated battery pack. | 05-14-2009 |
| 20090116787 | Optical Waveguide Device and Method for Fabricating Optical Waveguide Device - An optical waveguide device in which optical loss is reduced while reducing fabrication cost. Inclining faces ( | 05-07-2009 |
| 20090115532 | IMAGE SIGNAL AMPLIFYING CIRCUIT AND AMPLIFYING SEMICONDUCTOR INTEGRATED CIRCUIT - An image signal amplifying circuit comprises: an amplifier circuit for amplifying an image signal; an output capacitor and a resistance, both being serially connected between an output node of the amplifier circuit and an output terminal; and a second-order high pass filter having a value of Q larger than one, the second-order high pass filter being provided at a preceding stage of the amplifier circuit, wherein distortion to correct a sag arising in a high pass filter on an output side, the high pass filter including the output capacitor and the resistance, is caused in the input image signal by a characteristic of the second-order high pass filter. | 05-07-2009 |
| 20090079638 | BROADBAND ANTENNA UNIT COMPRISING A FOLDED PLATE-SHAPED MONOPOLE ANTENNA PORTION AND TWO CONDUCTIVE ELEMENTS - In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section, a first conductive element extending from a first location of the folded plate-shaped monopole antenna portion, and a second conductive element extending from a second location of the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance. | 03-26-2009 |
| 20090072008 | SECONDARY BATTERY PROTECTING MODULE AND LEAD MOUNTING METHOD - In a lead mounting method of mounting, onto a principal surface of a printed board, a lead to be connected to a terminal, a flat lead is prepared which lead has a mounted part to be disposed on the principal surface of the printed board and a connected part to be connected to the terminal. The flat lead is bent into an L shape so that the mounted part and the connected part are perpendicular to each other to obtain an L-shaped lead. The mounted part of the L-shaped lead is connected and fixed onto the principal surface of the printed board by soldering. | 03-19-2009 |
| 20090067799 | Optical Device and Optical Device Manufacturing Method - Scattering loss at a reflecting or transmitting end face of an optical unit is reduced, and the end face is easily manufactured at low cost. An optical waveguide cable ( | 03-12-2009 |
| 20090027785 | POSITION DETECTING DEVICE CAPABLE OF IMPROVING DETECTION ACCURACY - A position detecting device includes an optical position detecting element and a position information portion which are disposed so as to be opposed to each other. The position information portion has a binary pattern where a high light efficient portion and a low light efficient portion are alternately repeated when the movable portion moves in a predetermined direction. The position detecting device includes a loose position detecting portion for detecting a loose position of the movable portion by counting a pulse signal obtained by the optical position detecting element, a close position detecting portion for detecting a close position of the movable portion by counting pulse number of driving pulses which are applied to an electromechanical transducer from a position where the loose position detection is carried out, and a combining arrangement for combining the loose position with the close position to calculate a current position of the movable portion. | 01-29-2009 |
| 20090017662 | CONNECTOR DEVICE AND ELECTRONIC DEVICE - A following control unit | 01-15-2009 |
| 20090002229 | ANTENNA ELEMENT AND ANTENNA UNIT CAPABLE OF RECEIVING TWO KINDS OF RADIO WAVES - An antenna element includes a dielectric board, a first antenna radiation electrode formed on a top surface of the dielectric board at an outer region, a second antenna radiation electrode formed on the top surface of the dielectric board at a central portion, a ground electrode formed on a bottom surface of the dielectric board, a feeding pattern formed on the side surface of the dielectric board for feeding to the first antenna radiation electrode by electromagnetic coupling, and a feeding pin having an end connected to the second antenna radiation electrode. A combination of the first antenna radiation electrode, the ground electrode, and the feeding pattern serves as a first antenna portion for receiving a first radio wave. A combination of the second antenna radiation electrode, the ground electrode, and the feeding pin serves as a second antenna portion for receiving a second radio wave. | 01-01-2009 |
| 20080317412 | OPTICAL WAVEGUIDE DEVICE - An optical waveguide device, including: a substrate including an optical waveguide and a connecting section formed on at least one end of the optical waveguide; an optical fiber placed in the connecting section and optically connected to the optical waveguide; and a fixing member to nip the optical fiber between the connecting section and the fixing member; wherein on the substrate, a groove is formed between the optical waveguide and the connecting section; and the fixing member is provided across the groove | 12-25-2008 |
| 20080311782 | Module connector - A module connector reliably locks a module such as a camera module, which is accommodated, to prevent the module from falling and make a module connector in lower profile. This module connector has contact pins ( | 12-18-2008 |
| 20080297899 | CAMERA MODULE - A camera module that can obtain a clear image even in the case where dust is generated inside the camera module due to a shock applied thereto is provided. The camera module includes a base and a cover attached to the base so as to define a space therebetween in which the holder can be displaced. The base has an upper surface which faces the cover, and the upper surface of the base includes a concaved dust collecting portion and a dust falling preventing wall formed on the upper surface so as to surround an entire circumference of an opening of the base, and wherein a surface of the concaved dust collecting portion includes a dust sticking layer to which fallen dust is adapted to stick, whereby when dust is generated in the space between the cover and the base and such dust is fallen onto the upper surface of the base, it is possible to prevent such dust from entering into the opening by the dust falling preventing wall and such dust is stuck to the dust sticking layer of the dust collecting portion provided on the upper surface of the base. | 12-04-2008 |
| 20080297642 | CAMERA MODULE - A camera module includes a lens unit; a holder which houses the lens unit therein and is displaceable along an optical axis direction of the lens unit; a coil provided on the holder; a yoke, four main magnets and two flat plate-shaped auxiliary magnets which provide a magnetic field to the coil, in which the yoke has a roughly rectangular and relatively thin box shape of which bottom side is opened so that the yoke is defined by four side wall portions and a top plate portion, and the yoke also has an opening formed in the top plate portion for receiving the holder; upper and lower leaf springs respectively attached to the upper and lower cylindrical end portions of the holder for supporting the holder so as to be displaceable along the optical axis direction; and a base which supports the yoke and the lower leaf spring. In the camera module, the coil is formed into a roughly cylindrical shape having two opposite outer circumferential flat surfaces, each of the four main magnets has a triangle block shape and they are respectively arranged at the four corner portions inside the yoke, and the two auxiliary magnets are respectively arranged on a pair of the opposite side wall portions of the yoke so as to face the corresponding outer circumferential flat surfaces of the coil, respectively. | 12-04-2008 |
| 20080297004 | Driving device capable of transferring vibrations generated by an electro-mechanical transducer to a vibration friction portion with a high degree of efficiency - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a rod-shaped moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. The vibration friction portion is made of a material having a vibration transfer rate of 4900 meters/second or more. The moving portion is made of a material which has a vibration transfer rate of 4900 meters/second or more and which is different from that of the vibration friction portion. | 12-04-2008 |
| 20080297000 | Driving device capable of improving a shock and vibration resistance thereof - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a static member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a rod-shaped moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. An outer sheath is for covering the driving device. An attitude retaining arrangement retains an attitude of the driving device with respect to the outer sheath. | 12-04-2008 |
| 20080283875 | FIELD EFFECT TRANSISTOR, BIOSENSOR PROVIDED WITH IT, AND DETECTING METHOD - A high-sensitivity field effect transistor using as a channel ultrafine fiber elements such as carbon nanotube, and a biosensor using it. The field effect transistor comprises a substrate, a source electrode and a drain electrode arranged on the substrate, a channel for electrically connecting the source electrode with the drain electrode, and a gate electrode causing polarization due to the movement of free electrons in the substrate. For example, the substrate has a support substrate consisting of semiconductor or metal, a first insulating film formed on a first surface of the support substrate, and a second insulating film formed on a second surface of the support substrate, the source electrode, the drain electrode, and the channel arranged on the first insulating film, the gate electrode disposed on the second insulating film. | 11-20-2008 |
| 20080278380 | ANTENNA UNIT COMPRISING FIRST AND SECOND ANTENNA PATTERNS - An antenna unit includes a board having first and second surfaces opposite to each other, a first antenna pattern, formed on the first surface of the board, for transmitting and receiving a first radio wave having a first frequency band, and a second antenna pattern, formed on the second surface of the board, for transmitting and receiving a second radio wave having a second frequency band different from the first frequency band. The first antenna pattern and the second antenna pattern are disposed so as to be opposed to each other through the board with they electrically disconnected. | 11-13-2008 |
| 20080266682 | CAMERA MODULE - A camera module includes upper and lower leaf springs having a stable load characteristic and a holder displaceably held by the leaf springs so that the holder can be stably displaced within a magnetic circuit. The upper spring | 10-30-2008 |
| 20080265806 | Method of driving a driving device - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion mounted to the second end portion of the electro-mechanical transducer, and a moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. The moving portion is driven by equalizing a constant expanding speed of the electro-mechanical transducer with a constant contracting speed of the electro-mechanical transducer and by setting a constant rest time interval after one of contraction of the electro-mechanical transducer and expansion of the electro-mechanical transducer. | 10-30-2008 |
| 20080265136 | Position detecting device capable of improving detection accuracy - A position detecting device includes an optical position detecting element and a position information portion which are disposed so as to be opposed to each other. One of the optical position detecting element and the position information portion being mounted on the movable portion while the other thereof is mounted on an internal wall of a cabinet. The position information portion has a pattern where a signal level produced by the optical position detecting element changes in a continuous manner when the movable portion moves in a predetermined direction. The position detecting device carries out position detection of the movable portion in accordance with the signal level. | 10-30-2008 |
| 20080258579 | Driving device capable of reducing height thereof - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion mounted to the second end portion of the electro-mechanical transducer, and a rod-shaped moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. A frictionally coupled portion has a height (a length of the vibration friction portion in a sliding direction in contact with the moving portion) which is not more than 1.15 mm. | 10-23-2008 |
| 20080258578 | Driving device capable of obtaining a stable frequency characteristic - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a static member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a rod-shaped moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. The driving device is covered with a cabinet. An elastic member lies between the cabinet and the static member. | 10-23-2008 |
| 20080257083 | Driving device having suitable stationary member as material - A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion mounted to the second end portion of the electro-mechanical transducer, and a rod-shaped moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. The stationary member consists essentially of a base alloy which consists of, by weight, 88 to 97% tungsten, 2 to 11% nickel as a binder, and, as the balance, 0.1 to 2% at least one metal having an ionization tendency which is higher than that of tungsten. The stationary member has a surface without nickel plating. | 10-23-2008 |
| 20080242149 | Receptacle, plug, and connector apparatus - A receptacle is provided that transmits another signal separate from a USB module compatible signal, without the occurrence of a fault, when a USB connection is made. This receptacle ( | 10-02-2008 |
| 20080236729 | Bonding method for laminated piezoelectric element - A laminated piezoelectric element includes plural internal electrodes which are laminated and has a dead area at outer regions thereof. The laminated piezoelectric element has first and second end surfaces in an expansion direction thereof. On bonding a first bonded surface of a piezoelectric element fixing portion to the first end surface, a bonding method includes forming a first ring-shaped adhesive accumulation in the first bonded surface, accumulating an elastic adhesive agent in the first ring-shaped adhesive accumulation, and bonding the first end surface to the first bonded surface. On boding a vibration friction element to the second end surface, the bonding method includes forming, in a second bonded surface of the vibration friction element, a positioning guide hole for guiding the second end surface of the laminated piezoelectric element and a second ring-shaped adhesive accumulation, accumulating the elastic adhesive agent in the second ring-shaped adhesive accumulation, and bonding the second end surface to the vibration friction portion. | 10-02-2008 |
| 20080207142 | Amplitude Modulation Apparatus, Amplitude Limiting Method, and Computer-Readable Program - The present invention relates to an amplitude modulation apparatus, an amplitude limiting method, and a transmission apparatus for performing amplitude limitation on an orthogonally modulated signal. The amplitude modulation apparatus, the amplitude limiting method, and the transmission apparatus enable peak value suppression of a transmission wave with a simple structure. An amplitude limiting apparatus that performs amplitude limitation on an orthogonally modulated signal includes first amplitude limiting means ( | 08-28-2008 |
| 20080199136 | Optical waveguide device - An optical waveguide device includes a lower cladding layer, a high refractive index region provided on the lower cladding layer, a pair of cores provided on the lower cladding layer on both sides of the high refractive index region, and an upper cladding layer provided on the high refractive index region and the pair of cores. One of the upper and lower cladding layers has a pair of band-shaped parts disposed between the high refractive index region and the pair of cores. | 08-21-2008 |
| 20080198075 | Broadband antenna unit comprising a folded plate-shaped monopole antenna portion and an extending portion - In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section and an extending portion extending from the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance. A ratio between a width of the ground plate and the predetermined distance is substantially 5:2 when a ratio between the width of the ground plate and a width of the folded plate-shaped monopole antenna portion is 2:1. | 08-21-2008 |
| 20080196815 | Bonding method for laminated piezoelectric element - A laminated piezoelectric element includes plural internal electrodes which are laminated and has a dead area at outer regions thereof. The laminated piezoelectric element has first and second end surfaces in an expansion direction thereof. On bonding a first bonded surface of a piezoelectric element fixing portion to the first end surface, a bonding method includes forming a first adhesive accumulation in the first bonded surface, accumulating an adhesive agent to the first adhesive accumulation, and bonding the first end surface to the first bonded surface. On boding a vibration friction element to the second end surface, the bonding method includes forming, in a second bonded surface of the vibration friction element, a positioning guide hole for guiding the second end surface of the laminated piezoelectric element and a second adhesive accumulation, accumulating the adhesive agent in the second adhesive accumulation, and bonding the second end surface to the vibration friction portion. | 08-21-2008 |
