Patent application number | Description | Published |
20100218984 | PHOTOSENSITIVE DRY FILM RESIST, PRINTED WIRING BOARD MAKING USE OF THE SAME, AND PROCESS FOR PRODUCING PRINTED WIRING BOARD - The present invention is to provide (i) a photosensitive dry film resist which allows water system development and which is excellent in resolution, flame retardancy, adhesiveness, moisture resistance, electric reliability, and preservation stability, (ii) a method for producing the photosensitive dry film resist, and (iii) usage thereof. | 09-02-2010 |
20110083884 | NOVEL POLYIMIDE PRECURSOR COMPOSITION AND USE THEREOF - An object of the present invention is to provide (a) a polyimide precursor solution which is curable at low temperatures (not more than 200° C.) and which has excellent long-term storage stability, (b) a photosensitive resin composition, a photosensitive resin film, a thermosetting resin composition, and a polyimide insulating film, each of which is obtainable from the polyimide precursor solution and each of which is preferably usable as an insulating material for electric and electronic purposes, and (c) a printed wiring board provided with the insulating film. The above object is achievable by use of a polyimide precursor composition solution containing at least a partially imidized polyimide precursor having a urethane bond. | 04-14-2011 |
Patent application number | Description | Published |
20110043261 | PLL CIRCUIT - A phase locked loop (PLL) circuit including a phase comparator for comparing a phase of a reference signal with a phase of a feedback signal, an oscillator for outputting an output signal at a frequency in accordance with an output of the phase comparator, a feedback loop for returning the output signal of the oscillator and supplying the output signal as the feedback signal, and a delay circuit for delaying the phase of the output signal output from the oscillator to a load circuit, wherein the delay circuit is provided outside the feedback loop. | 02-24-2011 |
20110316515 | OSCILLATION CIRCUIT - An oscillation circuit including a reference voltage generation circuit that adds a proportional-to-absolute-temperature (PTAT) output, which increases in proportion to an absolute temperature, to a complementary-to-absolute-temperature (CTAT) output, which decreases in proportion to an absolute temperature, to generate and output a reference voltage. The oscillation circuit generates an oscillation signal having a desired and fixed frequency. | 12-29-2011 |
20120075128 | SUCCESSIVE APPROXIMATION A/D CONVERTER - A successive approximation A/D converter, has a main DAC having a capacitive element group coupled to a top node and a switch group; a comparator comparing voltage of the top node with comparison reference voltage; a correction DAC generating correction voltage in accordance with a capacitance error of a capacitive element pair to be balanced in the main DAC, and supplying the correction voltage to the top node; and a control circuit generating internal digital input for controlling the switch group and a correction code for controlling the correction voltage, and outputting a successive approximation result by the comparator when the A/D conversion is performed. The control circuit measures a capacitance error of the capacitive element pair to be balanced, and determines an offset-removed capacitance error where an offset generated in the measurement is removed from the capacitance error. | 03-29-2012 |
20120293222 | PLL CIRCUIT - A phase locked loop (PLL) circuit including a phase comparator for comparing a phase of a reference signal with a phase of a feedback signal, an oscillator for outputting an output signal at a frequency in accordance with an output of the phase comparator, a feedback loop for returning the output signal of the oscillator and supplying the output signal as the feedback signal, and a delay circuit for delaying the phase of the output signal output from the oscillator to a load circuit, wherein the delay circuit is provided outside the feedback loop. | 11-22-2012 |
20130293313 | OSCILLATION CIRCUIT - An oscillation circuit including a reference voltage generation circuit that adds a proportional-to-absolute-temperature (PTAT) output, which increases in proportion to an absolute temperature, to a complementary-to-absolute-temperature (CTAT) output, which decreases in proportion to an absolute temperature, to generate and output a reference voltage. The oscillation circuit generates an oscillation signal having a desired and fixed frequency. | 11-07-2013 |
Patent application number | Description | Published |
20100133589 | ANALOG CIRCUIT CELL ARRAY AND ANALOG INTEGRATED CIRCUIT - An analog circuit cell array includes a plurality of transistor cell arranged in an array. Each of the transistor cells includes a first source region, a first channel region, a common drain region, a second channel region, and a second source region arranged in sequence one adjacent to another; and a first gate electrode and a second gate electrode formed on the first channel region and the second channel region, respectively, and wherein the first gate electrode and the second gate electrode are connected together for use, and the first source region and the second source region are connected together for use. | 06-03-2010 |
20100188141 | CONSTANT-VOLTAGE GENERATING CIRCUIT AND REGULATOR CIRCUIT - A constant-voltage generating circuit includes: a reference potential generating unit; first and second amplifier units whose outputs are respectively connected to the output line; and a low-pass filter, and wherein first and second operation periods are repeated, one alternating with the other, the first amplifier unit stores offset voltage of the first amplifier unit during the second operation period, and produces an output, during the first operation period, that brings the first potential and the second potential equal to each other by canceling out the offset voltage using the stored offset voltage, and the second amplifier unit stores offset voltage of the second amplifier unit during the first operation period, and produces an output, during the second operation period, that brings the first potential and the second potential equal to each other by canceling out the offset voltage using the stored offset voltage. | 07-29-2010 |
20100188277 | SUCCESSIVE APPROXIMATION A/D CONVERTER - A successive approximation A/D conversion circuit for simultaneously sampling N channels of analog signals and for A/D converting the sampled analog signals, includes: N capacitive main DACs; a resistive sub DAC; N comparators; and a successive approximation control circuit, wherein the successive approximation control circuit determines high-order bit values of A/D conversion results of the N channels of analog signals by controlling the N capacitive main DACs and the N comparators, and determines low-order bit values of the A/D conversion results of the N channels of analog signals by controlling the resistive sub DAC and the N comparators. | 07-29-2010 |
20130140642 | ANALOG CIRCUIT CELL ARRAY AND ANALOG INTEGRATED CIRCUIT - An analog circuit cell array includes a plurality of transistor cell arranged in an array. Each of the transistor cells includes a first source region, a first channel region, a common drain region, a second channel region, and a second source region arranged in sequence one adjacent to another; and a first gate electrode and a second gate electrode formed on the first channel region and the second channel region, respectively, and wherein the first gate electrode and the second gate electrode are connected together for use, and the first source region and the second source region are connected together for use. | 06-06-2013 |
Patent application number | Description | Published |
20090326120 | Flame retardant and light diffusing polycarbonate resin composition and light diffusing sheet thereof - A flame retardant and light diffusing polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin (A), 0.1 to 6 parts by weight of a light diffusing agent (B) with an average particle diameter of 1 to 10 μm, 0.03 to 1 part by weight of a light storing agent (C) with an average particle diameter of 1 to 20 μm and 0.03 to 1.5 parts by weight of a silicone compound (D) wherein the silicone compound (D) has a branched main chain structure and contains organic functional groups and the presence of aromatic groups is essential as the organic functional groups but the presence of hydrocarbon groups other than aromatic groups is optional as the organic functional groups other than terminal groups. The light diffusing sheet obtained by molding a polycarbonate resin composition of this invention can be used ideally in all applications where excellent flame retardance and a high degree of optical performance are needed such as in parts materials covering a light source such as, for example, in light diffusing sheets for direct backlighting units and edge lighting units for liquid crystal televisions, globe boxes for lighting devices and switches for various devices. | 12-31-2009 |
20100144939 | Flame Retardant Polycarbonate Resin Composition - A flame retardant polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin (A), 0.01 to 3 parts by weight of silsesquioxane (B), 0.005 to 1.0 part by weight of an organic metal salt compound (C) and 0.01 to 3 parts by weight of a fibril-forming type fluorinated polymer (D), wherein said silsesquioxane (B) is characterized by a specific structure (a triangular cone shape). The flame retardant polycarbonate resin composition of the present invention can achieve a high degree of flame retardance even in thin-walled molded products without generating a gas containing chlorine or bromine during combustion originating from a chlorine type or bromine type flame retardant since said flame retardant is not used. Therefore, the flame retardant polycarbonate resin composition of the present invention can ideally be used in housings and parts for electrical, electronic, ITE and the like products, and its industrial utility value is extremely high. | 06-10-2010 |
20100148136 | Light Diffusing Thermoplastic Resin Composition and Light Diffusion Sheet Thereof - The present invention provides a light diffusing thermoplastic resin composition comprising polycaprolactone, specific silicone rubber particles, and, when desired, a fluorescent brightening agent, an antioxidant and/or an ultraviolet light absorber. A light diffusion sheet can be obtained by molding the light diffusing thermoplastic resin composition, which has superior light diffusion properties, luminance, mechanical strength, thermal stability and light resistance. | 06-17-2010 |
20100151221 | CLEAR AND FLAME RETARDANT POLYCARBONATE RESIN FILM - A polycarbonate resin film, which is prepared by molding a resin composition, which comprises 100 parts by weight of a polycarbonate resin (A), 0.10 to 0.18 parts by weight of an alkali metal or alkaline earth metal salt compound (B) of a perfluoroalkane sulfonic acid and 0.05 to 0.35 parts by weight of a silicone compound (C), wherein a main chain of the silicone compound (C) is branched and the film has:
| 06-17-2010 |
Patent application number | Description | Published |
20090161888 | AUTO GAIN CONTROL AMPLIFIER, AUTO GAIN CONTROL SYSTEM AND AUTO GAIN CONTROL METHOD - An auto gain control amplifier that amplifies an input signal including a variable gain amplification unit that amplifies an input signal and an auto gain control unit that monitors amplitude of an output signal of the variable gain amplification unit, obtains an gain of the variable gain amplification unit that causes the amplitude of the output signal to fall within a desired range according to the amplitude of the output signal, and supplies the gain obtained to the variable gain amplification unit. The auto gain control unit sets the gain in the variable gain amplification unit when the amplitude of the output signal is equal to or below a predetermined reference value. | 06-25-2009 |
20100001892 | SUCCESSIVE APPROXIMATION A/D CONVERTER - A successive approximation A/D converter includes a capacitive D/A converter including capacitors, and generates a voltage based on the input voltage and a first digital signal including J bits; a resistive D/A converter that generates a voltage based on a second digital signal; a capacitor that capacity-couples the voltage to an output node; a comparator that generates a result based on the voltage; a control circuit that supplies the first digital signal to the capacitive D/A converter according to the result and outputs a third digital signal indicating a correction and a fourth digital signal including K bits; and a digital calculating circuit that generates the second digital signal including K bits based on the third digital signal and the fourth digital signal, and supplies the second digital signal to the resistive D/A converter, a (J+K) bit digital data is generated based on the input signal. | 01-07-2010 |
20130204654 | METHOD AND SYSTEM FOR SUPPORTING COMPONENT DESIGN - With an object of improving system maintainability, a system which evaluates a maintenance man-hour cost of a component quantitatively is provided, and consequently when a system designer designs a component which is a unit of a subsystem obtained by putting a function of a business application and data together, it is made possible to design the component with a minimum maintenance man-hour cost by extracting a maintenance pattern obtained by patterning an influence extension place, an amendment man-hour cost, and the like at time of maintenance on the basis of maintenance history information and evaluating a maintenance man-hour cost of the component according to the maintenance pattern. | 08-08-2013 |
Patent application number | Description | Published |
20110156825 | OSCILLATING APPARATUS - An oscillating apparatus includes: a transfer gate including a P-channel transistor and a N-channel transistor; a first inverter for inverting an output signal of the transfer gate and outputting the inverted output signal of the transfer gate; a second inverter for inverting the output signal of the first inverter and outputting the inverted output signal of the first inverter; a third inverter for inverting the output signal of the first inverter and outputting the inverted output signal of the first inverter; a fourth inverter for inverting the output signal of the third inverter and outputting the inverted output signal of the third inverter to an input-terminal of the transfer gate; a first capacitor connected between an output-terminal of the transfer gate and an output-terminal of the second inverter; and a second capacitor connected between the output-terminal of the transfer gate and a reference potential node. | 06-30-2011 |
20110227636 | REFERENCE VOLTAGE CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - A reference voltage circuit includes a first amplifier configured to output a reference voltage, a second amplifier coupled to the first amplifier, an offset adjustment voltage generation circuit, a first load device and a first pn junction device, and second and third load devices and a second pn junction device. The offset adjustment voltage generation circuit is configured to generate a voltage which is input to the third and fourth input terminals of the second amplifier, and reduce an offset voltage between the first and second input terminals of the first amplifier through the second amplifier. The first input terminal is coupled to a coupling node of the first load device and the first pn junction device, and the second input terminal is coupled to a coupling node of the second load device and the third load device. | 09-22-2011 |
20110234433 | A/D CONVERTER - An A/D converter includes a capacitive DAC configured to perform conversion of high-order bits by receiving a differential signal, a resistive DAC configured to perform conversion of low-order bits, a resistive correction DAC configured to operate to correct the capacitive DAC, and a comparator. The capacitive DAC includes a positive-side capacitive DAC and a negative-side capacitive DAC operating in a complementary fashion, and the comparator, which includes a plurality of differential circuits, is configured to compare output potentials of the positive-side capacitive DAC and the negative-side capacitive DAC. The positive-side capacitive DAC and the negative-side capacitive DAC include first capacitive elements each formed from interconnect layers excluding an uppermost interconnect layer, and the comparator includes second capacitive elements each provided between adjacent ones of the differential circuits and formed from interconnect layers including the uppermost interconnect layer. | 09-29-2011 |
Patent application number | Description | Published |
20110229114 | CAMERA BODY, ACCESSORY, CAMERA SYSTEM, AND INFORMATION REWRITING METHOD - A camera system including a camera body, an interchangeable lens, and an accessory mounted between the camera body and the interchangeable lens, wherein the accessory has a signal processing unit configured to process a signal input into the accessory and a storage unit configured to store information to be used when performing the signal processing, the camera system further including a pseudo interchangeable lens which can be mounted on the accessory instead of the interchangeable lens and which is configured to supply power from the camera body to the accessory when mounted on the camera body via the accessory, and a control unit configured to, while the camera body, the accessory, and the pseudo interchangeable lens are connected, when the accessory receives within a predetermined duration predetermined information, enable communication between the camera body and the accessory even after the predetermined duration has elapsed, and rewrite the information stored in the storage unit. | 09-22-2011 |
20110229115 | CAMERA BODY, INTERCHANGEABLE LENS, ACCESSORY, CAMERA SYSTEM, AND METHOD FOR REWRITING INFORMATION - A camera system includes a camera body, an interchangeable lens, and an accessory to be mounted between the camera body and the interchangeable lens, wherein the accessory includes a signal processing unit configured to process a signal input into the accessory, a storage unit configured to store information used for performing the signal processing, and a blocking unit configured to prevent direct communication from the camera body to the interchangeable lens when the information stored in the storage unit is rewritten via the camera body. | 09-22-2011 |
20120033955 | INTERMEDIATE ACCESSORY FOR CAMERA SYSTEM, AND CAMERA SYSTEM USING THE SAME - An intermediate accessory enables a camera and an exchange lens to communicate with each other through an information processor configured to provide predetermined processing for information received from one of the camera and the exchange lens, and to transmit information that has undergone the predetermined processing, to the other of the camera and the exchange lens, while the camera and the exchange lens are being attached. The intermediate accessory obtains lens identification information from the exchange lens, which is used to identify the exchange lens. The intermediate accessory enables a camera and an exchange lens to communicate with each other without intervening the information processor and transfers to an operation restricting mode used to restrict at least part of an operation the intermediate accessory, when the lens identification information indicates a specific exchange lens that does not require the predetermined processing. | 02-09-2012 |
20150085177 | IMAGE PICKUP APPARATUS, LENS APPARATUS, AND IMAGE PICKUP SYSTEM - A lens apparatus is detachable from an image pickup apparatus. The lens apparatus includes a controller configured to communicate with the image pickup apparatus in synchronization with a first signal. A communication contains a plurality of blocks in the same cycle of the first signal. The controller transmits information of a first time period to the image pickup apparatus, and prohibits a communication of an m-th block from starting before the first time period passes after a communication of an n-th block starts or ends where n is an integer equal to or larger than 1 and m is an integer larger than n. | 03-26-2015 |
20150189184 | IMAGE STABILIZATION APPARATUS, IMAGE-PICKUP APPARATUS HAVING THE SAME, IMAGE STABILIZATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM - An image stabilization apparatus includes a first filter, a second filter, and a signal selector configure to select as a correction signal for an image stabilization a signal obtained from an output of one of the first filter and the second filter which has a higher cutoff frequency, when the first filter has the third cutoff frequency or the second filter has the fourth cutoff frequency, and when a difference between a first output of the first filter and a second output of the second filter is larger than a threshold, and then to select as the correction signal a signal obtained from an output of the other of the first filter and the second filter which has a lower cutoff frequency. | 07-02-2015 |