Ichikura
Eiji Ichikura, Tokyo JP
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20110236604 | LIGHT-SHIELDING FILM-ATTACHED GLASS SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a light-shielding film-attached glass substrate including: a glass substrate; and a light-shielding film having a multilayer structure and being formed on the glass substrate, in which the light-shielding film having a multilayer structure includes: a first chromium oxynitride film (CrO | 09-29-2011 |
Hiroyoshi Ichikura, Yokohama JP
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20160079926 | AMPLIFYING CIRCUIT - An amplifying circuit includes a first differential amplifier (first differential pair) and a second differential amplifier (second differential pair) having an input capacitance smaller than the first differential amplifier. The amplifying circuit switches between the first differential amplifier (first differential pair) and the second differential amplifier (second differential pair) in response to an amplification mode setting signal to perform amplification processing of an input signal. | 03-17-2016 |
Hiroyoshi Ichikura, Ibaraki JP
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20110234320 | VOLTAGE OUTPUT DEVICE HAVING AN OPERATIONAL AMPLIFIER - A voltage output device which is capable of preventing an increase in circuit scale and includes an offset compensation function that is suitably applicable in particular to a drive circuit for display devices such as liquid crystal display panels. The voltage output device includes an operational amplifier which has an inverting input terminal and a non-inverting input terminal. Resistance values of a load resistor on the inverting input side and a load resistor on the non-inverting input side are maintained when the output voltage of the amplifier has changed while sequentially varying either one or both of the resistance values of the load resistor on the inverting input side and the load resistor on the non-inverting input side in a state that the inverting input terminal and the non-inverting input terminal are connected. The voltage output device is configured to output the output voltage of the amplifier with the inverting input terminal not connected to the non-inverting input terminal. | 09-29-2011 |
20120069058 | OFFSET CANCEL OUTPUT CIRCUIT OF SOURCE DRIVER FOR DRIVING LIQUID CRYSTAL DISPLAY - An offset cancel output circuit of source drivers for driving liquid crystal displays which is capable of appropriately cancelling out an offset voltage from an output amplifier to thereby prevent degradation in display quality. The offset cancel output circuit includes an operational amplifier with a non-inverted input port to which a reference voltage is applied, and an input capacitor and an output capacitor with each one end thereof connected to an inverted input port of the operational amplifier. The offset cancel output circuit further includes a switching element circuit which has a first field effect transistor connected between the inverted input port and an output port of the operational amplifier and controlled to turn on during a reset operation. During the reset operation and the normal output operation, a first potential equal to the reference voltage is applied to the substrate of the first field effect transistor. | 03-22-2012 |
20120086697 | DRIVING DEVICE OF DISPLAY DEVICE - There is provided a driving device of a display device, including: a first switching portion; a second switching portion; and a control section that, when the potential of a drive signal line is lower than a target potential, operates the first switching portion by using, as a first reference potential, a potential that is less than or equal to the target potential and that is closest to the target potential, among predetermined n types (n≧1) of potentials, and, when the potential of the drive signal line is higher than the target potential, operates the second switching portion by using, as a second reference potential, a potential that is greater than or equal to the target potential and that is closest to the target potential, among the n types of potentials. | 04-12-2012 |
20120249607 | OUTPUT CIRCUIT FOR REDUCING OFFSET FOR USE IN SOURCE DRIVER ADAPTED TO DRIVE LIQUID CRYSTAL DEVICE - An offset-reducing output circuit of a source driver adapted to drive a liquid crystal device. The output circuit includes an operational amplifier having a non-inverting input to receive a reference voltage. The output circuit also includes input and output capacitors. One terminal of the input capacitor and one terminal of the output capacitor are connected to a node extending to an inverting input of the operational amplifier in at least a normal output operation mode. The output circuit also includes a switching circuit to short both terminals of the input capacitor and both terminals of the output capacitor in a reset operation so that the reference voltage is applied to the terminals of the input and output capacitors respectively. The switching device applies a gray scale voltage to an opposite terminal of the input capacitor in a normal operation mode. | 10-04-2012 |
20120306571 | VOLTAGE OUTPUT DEVICE HAVING AN OPERATIONAL AMPLIFIER - A voltage output device capable of preventing an increase in circuit scale includes an offset compensation function and is suitably applicable to a drive circuit for display devices. The voltage output device includes an operational amplifier having an inverting input terminal and a non-inverting input terminal. Resistance values of a load resistor on the inverting input side and a load resistor on the non-inverting input side are maintained when the output voltage of the amplifier has changed while sequentially varying either one or both of the resistance values of the load resistor on the inverting input side and the load resistor on the non-inverting input side in a state that the inverting input terminal and the non-inverting input terminal are connected. The voltage output device is configured to output the output voltage of the amplifier with the inverting input terminal not connected to the non-inverting input terminal. | 12-06-2012 |
20130141164 | VOLTAGE OUTPUT DEVICE HAVING AN OPERATIONAL AMPLIFIER - A voltage output device capable of preventing an increase in circuit scale includes an offset compensation function and is suitably applicable to a drive circuit for display devices. The voltage output device includes an operational amplifier having an inverting input terminal and a non-inverting input terminal. Resistance values of a load resistor on the inverting input side and a load resistor on the non-inverting input side are maintained when the output voltage of the amplifier has changed while sequentially varying either one or both of the resistance values of the load resistor on the inverting input side and the load resistor on the non-inverting input side in a state that the inverting input terminal and the non-inverting input terminal are connected. The voltage output device is configured to output the output voltage of the amplifier with the inverting input terminal not connected to the non-inverting input terminal. | 06-06-2013 |
Hiroyoshi Ichikura, Kanagawa JP
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20160072522 | DATA PROCESSING APPARATUS AND METHOD OF PROCESSING DATA - A data processing apparatus includes an inputting portion; a first retrieving portion; a second retrieving portion; a clock determining portion; a first serial parallel converting portion; a second serial parallel converting portion; and a combining portion. The inputting portion receives a serial data including a clock bit. The first retrieving portion obtains a first retrieved data. The second retrieving portion obtains a second retrieved data. The clock determining portion determines whether the clock bit is included in the first retrieved data or the second retrieved data. The first serial parallel converting portion performs parallel conversion to obtain a first parallel data. The second serial parallel converting portion performs parallel conversion to obtain a second parallel data. The combining portion combines the first parallel data and the second parallel data to output a parallel data. | 03-10-2016 |
Hiroyoshi Ichikura, Tokyo JP
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20100013826 | DISPLAY APPARATUS HAVING PRECHARGE CAPABILITY - A display includes capacitive display elements, output drivers, scan switches, precharge switches, and a precharge stopper. The drivers provide drive currents or voltages corresponding to display data, thereby driving the display elements correspondingly to the data. The precharge stopper determines whether display data corresponds to a specific state and prevents the display element from being precharged when the display data corresponds to the specific state. | 01-21-2010 |
20100321419 | DRIVER FOR DISPLAY PANEL - A driver for a display panel in which a plurality of light-emitting elements are arranged in a matrix, prevents false emission and/or destruction of the light-emitting elements from being caused when reset control is performed when scanning row lines included in the display panel. A cathode driver includes a plurality of groups composed of a timing circuit and transistors that correspond to a plurality of cathode lines, respectively. Each of the timing circuits controls the timing for switching on the transistors, so that the potentials of all the cathode lines excluding the cathode line that is the target to be scanned are slowly changed from the ground potential to the power supply potential after the reset period elapses. | 12-23-2010 |
Hiroyoshi Ichikura, Ibaragi JP
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20080266277 | METHOD OF DRIVING DISPLAY PANEL AND DRIVING DEVICE THEREOF - Disclosed is a method and device of driving a display panel, which is capable of suppressing complexity and increase of circuit scale of the driving device, and performing a control to prevent a cathode reset method or a scanning operation from being performed when all anode data are black and thus prevent unnecessary parasitic capacitance from being pre-charged, which may result in alleviation of pseudo emission and reduction of power consumption. The driving device of the display panel includes an anode driver and a cathode driver connected to a display panel including EL elements arranged at intersections of a plurality of anode lines and a plurality of cathode lines. In a process of controlling the pre-charging of parasitic capacitance of the EL elements connected to a selected cathode line, when a “0” detecting means detects that all data of the plurality of anode lines are zero, a control mechanism switches all the cathode lines including the selected cathode line to “H” during a scanning period, based on a result of the detection. | 10-30-2008 |
20110148516 | MINUTE CAPACITANCE ELEMENT AND SEMICONDUCTOR DEVICE USING THE SAME - A minute capacitance element has a high accuracy capacitance and is resistant to external noises. The minute capacitance element includes: first and second metal electrodes having respective opposite facets facing each other formed on an insulator layer to define a first gap therebetween; and a shield electrode being connectable to an externally applied potential and formed on the insulator layer within the first gap to define a slit confining a synthetic capacitance. | 06-23-2011 |
Manabu Ichikura, Kanagawa JP
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20100308806 | Sensing Apparatus for Detecting Linear Displacements - A sensing apparatus according to the present invention includes a movable part rotatably supported by a base, a first input unit that is part or all of a first member formed integrally with or secured to the movable part, a second input unit that is part or all of a second member formed integrally with or secured to the movable part, a turning member turning together with the movable part, and a sensing element that is secured to a reference position of the base, senses a direction of the turning member relative to the reference position, and outputs a signal determined on the basis of the detected direction to identify a first linear displacement and a second linear displacement. | 12-09-2010 |
Shigeru Ichikura, Saitama JP
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20090062606 | ENDOSCOPE GUIDING TUBE DEVICE - There is provided an endoscope guiding tube device including a flexible insertion tube, an endoscope guiding channel arranged in the flexible insertion tube along, at least one bending portion having a framework including a plurality of barrel-shaped joint rings coupled to each other in series to be rotatable with respect to each other, a plurality of shape-holding wires of which tip ends are attached to a tip portion of the at least one bending portion, and an operation unit in which proximal ends of the plurality of shape-holding wires are movable freely in an axial direction. The operation unit includes a wire locking mechanism having a function of locking together all of the proximal ends of the plurality of shape-holding wires and a function of releasing a locked state of all of the proximal ends of the plurality of shape-holding wires. | 03-05-2009 |
Takahiro Ichikura, Osaka JP
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20090147665 | OPTICAL DISC RECORDING DEVICE AND OPTICAL DISC RECORDING SYSTEM - When recording is carried out in a DVD-RAM, if at least one address mark could have been detected at the header section, after a test light emission for a laser power control is carried out at a GAP section, normal recording is carried out from GUARD | 06-11-2009 |
20100027398 | OPTICAL DISC DEVICE AND RECORDING DEVIATION AMOUNT TRANSFER METHOD - There is provided an optical disc device which can evaluate in a short time as to whether an optical disc is recorded with satisfying the standard or not. | 02-04-2010 |
20110243276 | WIRELESS DEMODULATION CIRCUIT - Positions of a group of points of code shift including a plurality of points of code shift and present in each code-shift site of a multi-valued FSK code are identified, a point of code shift correction amount including an amount of displacement between a center point of code shift centered among the group of points of code shift in a direction of time axis and each of the points of code shift is calculated based on the identified positions of the points of code shift, and the point of code shift is corrected on a time axis based on the calculated point of code shift correction amount. | 10-06-2011 |