Patent application number | Description | Published |
20110038430 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND RECEPTION METHOD - Data errors are sufficiently corrected and desired transmission quality is obtained even when the time variation of fading is large in a multicarrier transmission scheme communication system to which HARQ is applied. A transmission apparatus | 02-17-2011 |
20120201333 | RECEIVER AND RECEIVING METHOD - Disclosed is a receiver in a communication system provided with one transmitting station or two or more transmitting stations and the receiver for reception from the transmitting stations. For a case where identical signals are sent from the one transmitting station or the two or more transmitting stations, the receiver includes a first demodulator which executes demodulation processing of the signals as a single signal group, a second demodulator which executes demodulation processing of the signals as multiple signal groups, a determination unit which discriminates between the single signal group and the multiple signal groups, and a control unit which controls which one of the first demodulator and the second demodulator is to execute the demodulation processing based on a determination result by the determination unit. | 08-09-2012 |
20140192936 | RECEIVING DEVICE, RECEIVING METHOD, AND RECEIVING PROGRAM - To provide a receiving device, a receiving method, and a receiving program, which are capable of reducing performance degradation in a case where the spatial correlation of a channel becomes high. | 07-10-2014 |
Patent application number | Description | Published |
20080261651 | MULTI-MODE COMMUNICATION APPARATUS FOR SELECTIVELY USING W-CDMA SYSTEM AND GSM SYSTEM - In a multi-mode communication apparatus including independent transmitter circuits and receiver circuits of a W-CDMA system and a GSM system, which are capable of complying with communication systems of the W-CDMA system and the GSM system, a first switching device is connected between a ground and an input terminal of a first low-noise amplifier of the receiver circuit of the W-CDMA communication system, and is selectively turned on and off in accordance with a first control signal. A second switching device is connected between the ground and an input terminal of a second low-noise amplifier of the receiver circuit of the GSM communication system, and is selectively turned on and off in accordance with a second control signal. A control circuit generates and outputs first and second control signals for controlling turning-on and -off of the first and second switching devices, respectively. | 10-23-2008 |
20080265995 | AMPLIFIER CIRCUIT AND WIRELESS COMMUNICATION DEVICE - An amplifier circuit has a current conversion circuit that receives a high frequency signal and produces a signal current according to the high frequency signal; a gain control circuit that includes a control signal input for receiving a control signal, a first output, and a second output, and produces the signal current from the first output or the second output according to the control signal; an impedance circuit that includes a first node connected to the first output, a second node connected to the second output, and a third node, the impedance circuit presenting a predetermined impedance between the nodes; a switch circuit that is inserted between the first output and the first node; and a load impedance unit that is connected to the first output and produces a gain signal representing an amplified high frequency signal. | 10-30-2008 |
20100255269 | COPPER FILLING-UP METHOD - [Problem to be Solved] To provide a method of well filling copper in a non-through hole on a conductivity-rendered substrate by using a copper plating bath containing fewer additives. | 10-07-2010 |
20100316151 | RECEIVING APPARATUS, RECEIVING METHOD AND COMMUNICATION SYSTEM - To obtain excellent reception performance whilst cutting down the amount of computing operation in a MIMO communication system using soft-decision error correction coding. Received waves picked up by receiving antennas | 12-16-2010 |
20110292984 | RECEIVER APPARATUS, COMMUNICATION SYSTEM, RECEPTION METHOD AND COMMUNICATION METHOD - A receiver apparatus | 12-01-2011 |
20120088453 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A wireless communication apparatus includes: a channel information acquiring unit that, acquires a transmitted signal channel matrix that is channel information as a transmitted signal of a pre-interference-removal transmitted signal group and an interference signal channel matrix that is channel information as an interference signal of the non-interference-removed transmitted signal group; an interference signal calculating unit that generates an interference signal group at the time of reception by the non-interference-removed transmitted signal group with respect to the pre-interference-removal transmitted signal group, based on the pre-interference-removal transmitted signal group, the non-interference-removed transmitted signal group, the transmitted signal channel matrix, and the interference signal channel matrix; a subtracting unit that subtracts the interference signal group from the pre-interference-removal transmitted signal group to generate a post-interference-removal transmitted signal group; and a transmission antenna group that transmits the post-interference-removal transmitted signal group and the non-interference-removed transmitted signal group from mutually different transmission antennas. | 04-12-2012 |
20120154047 | LOW-NOISE AMPLIFIER - A low-noise amplifier comprises an input terminal to which a signal is input; a transistor configured to amplify the signal input to the input terminal; an output terminal through which the amplified signal from the transistor is output; a feedback amount regulator circuit configured to regulate an amplitude of the signal output from the transistor as a feedback amount and output a voltage; a bias circuit configured to generate a bias current fed to the transistor; a differential voltage comparator configured to compare the voltage output from the feedback amount regulator circuit to a reference voltage, determine whether or not a level of the signal input to the input terminal is a level at which a gain of the transistor is suppressed, and increase the bias current fed to the transistor when the differential voltage comparator determines that the level of the signal input to the input terminal is the level at which the gain of the transistor is suppressed; a first input bias circuit configured to generate the reference voltage and apply the reference voltage to one input end of the differential voltage comparator; and a second input bias circuit configured to add a bias voltage to the voltage output from the feedback amount regulator circuit and apply the voltage added with the bias voltage to the other input end of the differential voltage comparator. | 06-21-2012 |
20130120067 | AMPLIFIER WITH PASS-THROUGH MODE - In an amplifier with pass-through mode of the present invention, in a pass-through mode, a signal transmission transistor and a bias control transistor are turned ON and a voltage of an output terminal is maintained in a ground potential via the bias control transistor and a resistor. Thus, a power supply voltage is applied to a control terminal of the signal transmission transistor and one main terminal of the signal transmission transistor is maintained in a ground potential. Therefore, an ON-resistance of the signal transmission transistor is decreased to a minimum level. | 05-16-2013 |
20130141168 | LOW-NOISE AMPLIFIER WITH THROUGH-MODE - The low-noise amplifier with through mode is configured such that a source grounded transistor and a gate grounded transistor are connected in cascode, and a load impedance element and a switching transistor are serially connected between the drain of the gate grounded transistor and a power supply, and a through pass circuit is connected between an input terminal and an output terminal. The gate voltage of the gate grounded transistor is regulated by a bias circuit and the voltage of a mode control terminal is converted by a level shifter to control the gate voltage of the switching transistor, whereby, in the case of using only transistors whose terminal-to-terminal breakdown voltages are each equal to or less than the power supply voltage, it becomes feasible to prevent voltages equal to or more than the terminal-to-terminal breakdown voltages from being applied between the terminals of each transistor. | 06-06-2013 |
20130334053 | COPPER FILLING-UP METHOD - There is provided a method of well filling copper in a conductivity-rendered non-through hole having an aspect ratio (depth/hole diameter) of 5 or more on a substrate in a short period of time, and the method comprises using an acidic copper plating bath comprising a water-soluble copper salt, sulfuric acid, chlorine ion, a brightener and a copolymer of diallylamines and sulfur dioxide and filling copper in the non-through hole by periodic current reversal copper plating. | 12-19-2013 |
Patent application number | Description | Published |
20080196486 | SENSOR ADJUSTING METHOD AND SYSTEM FOR VARIABLE VALVE MECHANISM - The present application provides a sensor adjusting method and a sensor adjusting system for a variable valve mechanism. An actuator is controlled based on an adjustment request signal from an external device in such a manner that a mechanical load of a variable valve mechanism moves to a position where the movement is limited by a stopper. When it is judged that the mechanical load has moved to the position where the movement is limited by the stopper, the mounting position and the electrical characteristics of the sensor for detecting the mechanical load are adjusted so that the output of the sensor assumes a reference value. | 08-21-2008 |
20090088955 | APPARATUS FOR AND METHOD OF CONTROLLING VARIABLE VALVE MECHANISM - The present invention provides an apparatus for and method of diagnosing whether or not a failure occurs in a variable valve mechanism on the basis of a manipulated variable of an electric actuator. The variable valve mechanism is operated by the electric actuator and varies an open characteristic of an engine valve. The time for determining occurrence of a failure in the electric actuator is changed according to a temperature condition. | 04-02-2009 |
20130069571 | BRUSHLESS MOTOR DRIVE DEVICE - A brushless motor drive device switches energization modes for supplying power to two phases of a three-phase brushless motor, based on an induced voltage induced in a non-energized phase. In a case in which a target duty ratio Dt, which is a duty ratio of a PWM signal according to a manipulated variable of the brushless motor becomes less than a detection limit value Dlim, which is the lower limit of a duty ratio capable of detecting an induced voltage, there is set a detection timing (1/N) for detecting an induced voltage according to the cycle of a PWM signal, and a detection time duty ratio D | 03-21-2013 |
20130069575 | BRUSHLESS MOTOR DRIVING APPARATUS AND BRUSHLESS MOTOR DRIVING METHOD - A brushless motor driving apparatus that rotates and drives a brushless motor, which has a plurality of coils, by switching energization modes corresponding to phases of the brushless motor, sequentially switches the energization modes based on a non-energized phase voltage and a voltage threshold. Also, the brushless motor driving apparatus regulates an upper threshold for energization amount based on the voltage threshold and a change in the non-energized phase voltage at timing of switching the energization mode. | 03-21-2013 |
20130078111 | CONTROL APPARATUS FOR ELECTRIC OIL PUMP - A temperature range in which an electric oil pump to supply oil to a vehicle drive system can start is enlarged to enhance an effective use degree, enhance a start success probability, and suppress malfunction occurrence. When a measured oil temperature To is in a temperature range (T | 03-28-2013 |
20130238147 | Abnormality Diagnosis Apparatus for Electric Pump - An abnormality diagnosis apparatus for an electric pump prevents an erroneous decision that a normally functioning electric pump has an abnormality. When a motor is driven by a current of the driving motor using an upper limit current Iα before a predetermined time T | 09-12-2013 |
20130251541 | Apparatus for Controlling Electric Pump - In an apparatus for controlling an electric pump supplying operating oil to a driving system or the like of a vehicle, control satisfying both responsiveness and reduction in power consumption is performed even in a case in which an oil temperature sensor and a pump characteristic are abnormal. After starting of the electric pump, feedback control is performed in which a rotation number Nm of a driving motor is settled in a target rotation number Na set to satisfy predetermined performance. After satisfying a predetermined condition in which the motor rotation number Nm is in a stable state, motor current Im is settled in an indicated current Ip within a range of being equal to or less than a current limit value IL while the motor rotation number Nm is maintained equal to or greater than a required rotation number Np corresponding to the indicated current Ip. | 09-26-2013 |
20140203743 | DRIVE APPARATUS AND DRIVE METHOD FOR BRUSHLESS MOTOR - The present invention relates to a drive apparatus that drives a brushless motor with a square wave, and relates to a drive method thereof. The drive apparatus limits a duty cycle of once in N times of pulse width modulation periods so that the duty cycle does not fall below a set value, and increases the N value according to a rotation speed of the brushless motor, and then obtains position information in a period in which the duty cycle is limited to the predetermined duty cycle. Then, when the rotation speed cannot be decreased to a target rotation speed even when an average duty cycle is decreased to a limit, electric angles of a switching period of an energization pattern are switched from 60 degrees to 120 degrees. | 07-24-2014 |
20140217936 | DRIVE DEVICE AND DRIVE METHOD FOR BRUSHLESS MOTOR - The invention relates to a drive device and a drive method for a brushless motor. In a drive method in which a switching timing of energization patterns is detected by comparing a pulse induced voltage of a non-energized phase with a voltage threshold, when the pulse induced voltage does not reach the voltage threshold, the pulse induced voltage at an angle of switching the energization patterns is measured. Discrimination between a demagnetization failure and a lock failure is performed based on whether the measured pulse induced voltage satisfies a predetermined condition or not. When it is the demagnetization failure, motor control continues after changing the voltage threshold. When it is the lock failure, the motor control stops. | 08-07-2014 |
20140255211 | MOTOR DRIVE DEVICE AND MOTOR DRIVE METHOD FOR VEHICLE ELECTRIC PUMP - A motor drive device and a motor drive method for a vehicle electric pump. The device and the method set a target value according to an instruction value of a motor control amount and control the motor of the vehicle electric pump based on the target value. When the instruction value is greater than an actual control amount, the instruction value is set to the target value. Meanwhile, when the instruction value is less than the actual control amount, the actual control amount is set to the target value when the actual control amount is less than a value less than a previous target value by a predetermined value, and the value less than previous target value by predetermined value is set to the target value of this time when the actual control amount is greater than the value less than previous target value by predetermined value. | 09-11-2014 |
20150025739 | Control Apparatus and Control Method for Vehicle Electric Oil Pump - A control apparatus and a control method that controls an electric oil pump that supplies oil to a power transmission device transmitting a drive force to an axle. The control apparatus changes a PWM frequency in a PWM control of the electric oil pump to a lower frequency, when a vehicle is in a pulled state, when a vehicle speed is high, when a power source is operated at a high rotational speed, when a discharge amount from the electric oil pump is large, or when a noise in a vehicle interior is large. Thus, a drive noise of the pump can be reduced, or the amount of heat generated in the pump drive circuit and power consumption can be reduced. | 01-22-2015 |
Patent application number | Description | Published |
20120244647 | Pick-Up Method of Die Bonder and Die Bonder - The present invention provides a die bonder capable of stripping a die without fail, or a highly reliable die bonder or pick-up method using the die bonder. | 09-27-2012 |
20140060751 | Die Bonding Apparatus, Die Picking Up Apparatus And Die Picking Up Method - A die bonding apparatus includes a work supply/transfer portion for transferring a substrate; a bonding portion for conducting bonding of a die on the substrate; a wafer supply portion for supplying a wafer having the die thereon; and a controller portion for controlling equipment, wherein the wafer supply portion has a push-up unit for pushing up a dicing tape from a lower part, for separating the die from the dicing tape, and the push-up unit has a suction opening portion, which is configured to suck the dicing tape with vacuum, a push-up portion, which is made of an elastic body, sealing a fluid or a power therein, and is configured to push up the dicing tape, a cylinder, which is configured to apply pressure to the push-up portion, and an air supply means for supplying an air for changing the pressure within the cylinder through control of the controller portion. | 03-06-2014 |
20140069564 | Die Bonder And Bonding Method - The present invention provides a bonding device and a bonding method with a high operation ratio by solving the problems of conventional techniques. | 03-13-2014 |
Patent application number | Description | Published |
20140152589 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - An information processing apparatus includes a display, a detector, a display controller, a display region changing unit, and an editing execution unit. The detector detects plural touches made by an indicator on a screen of the display. The display controller causes the screen to display a first element and a second element, the second element being arranged on the first element. The display region changing unit changes, if a predetermined type of change occurs in a touch position of the indicator, a display region in which the first element and the second element are displayed on the screen, in accordance with the change. The editing execution unit executes, after a first touch position and a second touch position have been detected, if a predetermined type of change occurs in the second touch position with the first touch position being maintained, editing associated with the change on the second element. | 06-05-2014 |
20140157118 | INFORMATION PROCESSING APPARATUSES, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND INFORMATION PROCESSING METHOD - An information processing apparatus includes a display, a detector, a display controller, a bookmark-information generation unit, and a switch command generation unit. The detector detects a touch of a finger on a screen of the display. The display controller makes a page image be displayed on the screen and executes, upon receiving a switch command, switch processing in which switching to another page image is performed. The bookmark-information generation unit generates, in a case where the switch processing is executed in a state in which a touch of the finger is being detected on a page image on the screen, bookmark information that includes identification information of the page image. The switch command generation unit generates a switch command used to perform switching to a page image specified by the bookmark information in a case where the touch of the finger is no longer detected. | 06-05-2014 |
20150234574 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - An information processing apparatus includes a setting unit, an extracting unit, a transmitting unit, a receiving unit, and a display. The setting unit sets, in a first area that displays thumbnails, a second area that includes a thumbnail that is open to a person concerned among the thumbnails. The extracting unit extracts a thumbnail displayed in the second area. The transmitting unit transmits information on the thumbnail extracted by the extracting unit to an information processing apparatus used by the person concerned. The receiving unit receives information on a thumbnail that is open, from the information processing apparatus used by the person concerned. The display displays, in a third area, the thumbnail displayed in the second area and a thumbnail based on the information received by the receiving unit. | 08-20-2015 |