Patent application number | Description | Published |
20090057808 | SEMICONDUCTOR DEVICE, SEMICONDUCTOR ELEMENT, AND SUBSTRATE - A semiconductor device, a semiconductor element, and a substrate are provided, which allow the semiconductor element to be provided with a reduced size when combined. The semiconductor device of the invention has a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal. The semiconductor element includes a grayscale voltage generating unit for generating a plurality of grayscale voltages by dividing a reference voltage, a plurality of electrodes for the reference voltage formed in the neighborhood of the grayscale voltage generating unit; and an internal wiring for connecting the grayscale voltage generating unit and the reference voltage electrodes. The substrate includes a wiring pattern for the reference voltage for connecting the external input terminal and the reference voltage electrodes. | 03-05-2009 |
20090057886 | SEMICONDUCTOR DEVICE AND SUBSTRATE - A semiconductor device of the invention include a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal. The semiconductor element comprises, a plurality of first electrodes formed along a first edge of a surface thereof, a plurality of second electrodes formed along an edge opposite to the first edge of the surface, a plurality of third electrodes formed in the neighborhood of a functional block, and an internal wiring for connecting the first electrodes and the third electrodes. The substrate comprises, a first wiring pattern for connecting the external input terminal and the first electrodes, a second wiring pattern for connecting the external output terminal and the second electrodes, and a third wiring pattern for connecting the first electrodes and the third electrodes. | 03-05-2009 |
20090079047 | COF PACKAGE AND TAPE SUBSTRATE USED IN SAME - The present invention provides a COF package which comprises a tape substrate including a plurality of external input terminals and a plurality of external output terminals provided in a chip non-mounting area, a plurality of input wirings connected to the external input terminals respectively, a plurality of output wirings connected to the external output terminals respectively, a plurality of internal input wirings which are provided from the chip non-mounting area to a chip mounting area and provided between the input wirings and which are connected to the external input terminals, respectively, and a dummy wiring provided from the chip non-mounting area to the chip mounting area and provided between the internal input wirings; and a semiconductor chip including a plurality of input electrodes connected to the input wirings respectively, a plurality of output electrodes connected to the input wirings respectively, internal input electrodes connected to the internal input wirings respectively, and a dummy electrode provided with being spaced from each input electrode along one side lying over a chip surface, and connected to the dummy wiring. | 03-26-2009 |
20090127928 | Travel Control Device for Work Vehicle and Work Vehicle - A travel control device for a work vehicle includes: a hydraulic pump; a plurality of hydraulic motors connected to the hydraulic pump in parallel through a closed-circuit connection, that drive different wheels with pressure oil delivered from the hydraulic pump; a slip detection device that detects a slip occurring at each of the wheels; and a flow control device that reduces, upon detection of a slip occurring at any of the wheels by the slip detection device, a quantity of pressure oil supplied to a hydraulic motor for driving the wheel at which the slip has been detected, among the plurality of hydraulic motors. | 05-21-2009 |
20100032219 | Travel Drive System for Work Vehicle, Work Vehicle, and Travel Drive Method - A travel drive system for a work vehicle includes: an HST drive device comprising a hydraulic pump driven by a prime mover and a hydraulic motor connected to the hydraulic pump by a closed circuit; an electric motor driven by using electric power generated by drive of the prime mover; a first drive wheel driven by the HST drive device; a second drive wheel driven by the electric motor; a vehicle speed detector that detects a vehicle speed; and a control unit that distributes output of the prime mover to the HST drive device and to the electric motor such that, as the vehicle speed detected by the vehicle speed detector increases, a proportion of a first power distributed to the HST drive device decreases and a proportion of a second power distributed to the electric motor increases. | 02-11-2010 |
20110090005 | SEMICONDUCTOR DEVICE, SEMICONDUCTOR ELEMENT, AND SUBSTRATE - A semiconductor device, a semiconductor element, and a substrate are provided, which allow the semiconductor element to be provided with a reduced size when combined. The semiconductor device has a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal. The semiconductor element includes a grayscale voltage generating unit for generating a plurality of grayscale voltages by dividing a reference voltage, a plurality of electrodes for the reference voltage formed in the neighborhood of the grayscale voltage generating unit; and an internal wiring for connecting the grayscale voltage generating unit and the reference voltage electrodes. The substrate includes a wiring pattern for the reference voltage for connecting the external input terminal and the reference voltage electrodes. | 04-21-2011 |
20120146233 | SEMICONDUCTOR DEVICE AND SUBSTRATE - A semiconductor device of the invention include a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal. The semiconductor element comprises, a plurality of first electrodes formed along a first edge of a surface thereof, a plurality of second electrodes formed along an edge opposite to the first edge of the surface, a plurality of third electrodes formed in the neighborhood of a functional block, and an internal wiring for connecting the first electrodes and the third electrodes. The substrate comprises, a first wiring pattern for connecting the external input terminal and the first electrodes, a second wiring pattern for connecting the external output terminal and the second electrodes, and a third wiring pattern for connecting the first electrodes and the third electrodes. | 06-14-2012 |
20140167277 | SEMICONDUCTOR WIRING PATTERNS - A semiconductor device includes a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal. The semiconductor element includes, a plurality of first electrodes formed along a first edge of a surface thereof, a plurality of second electrodes formed along an edge opposite to the first edge of the surface, a plurality of third electrodes formed in the neighborhood of a functional block, and an internal wiring for connecting the first electrodes and the third electrodes. The substrate includes, a first wiring pattern for connecting the external input terminal and the first electrodes, a second wiring pattern for connecting the external output terminal and the second electrodes, and a third wiring pattern for connecting the first electrodes and the third electrodes. | 06-19-2014 |
Patent application number | Description | Published |
20090157406 | Acoustic Signal Transmission Method And Acoustic Signal Transmission Apparatus - The acoustic signal transmission method is based on generating a synthesized sound electrical signal by electrically synthesizing an audible sound signal and another signal different than the audible sound signal at the sending side, and transmitting the synthesized sound electrical signal, and extracting the another signal different than the audible sound signal from the synthesized sound electrical signal at the receiving side. Here, generation of the synthesized sound electrical signal is made by using a data hiding technique, for example. Accordingly, the acoustic signal represented by the synthesized sound electrical signal can be heard by human ears in the same way as the audible sound signal, and the synthesized another signal cannot be detected by human ears. Here, the synthesized sound electrical signal can be transmitted as a sound wave in air space, as electrical signal through a transmission line or as radio signals such as infrared and electromagnetic waves. It is also possible to transport or distribute the synthesized sounds by recording on recording media such as compact disc and DVD. Also, using the signal extracted from the synthesized sound electrical signal, applications such as controlling machines such as robot, transmitting text data such as information for car navigation systems, computer network addresses and commercial business information. | 06-18-2009 |
20100128018 | DISPLAY PANEL DRIVING VOLTAGE OUTPUT CIRCUIT - A driving voltage output circuit for a matrix display panel includes high-side voltage followers and low-side voltage followers. Each voltage follower includes a differential input stage, a control stage, and an output stage. The differential input stage receives non-inverting and inverting inputs and produces first and second potentials. The control stage generates third and fourth potentials from the first and second potentials. The output stage includes three transistors connected respectively to the high-side power supply, the low-side power supply, and an intermediate reference potential, and connected in common to an output terminal. Two of the three transistors are of identical channel type and are controlled by the first and fourth potentials. The third transistor is of the opposite conductive type and is controlled by the third potential. | 05-27-2010 |
20100128026 | DISPLAY PANEL DRIVING APPARATUS - A display panel driving apparatus supplies pixel driving potentials corresponding to pixel data to the source lines of a display panel. The pixels are located at the intersections of the source lines and a set of scanning lines. For each pixel, the driving potentials are alternately positive and negative with respect to a common reference potential supplied to the display panel. While the display driving apparatus is latching the pixel data for the pixels on each scanning line, the output circuits of the display driving apparatus are disconnected from the source lines, allowing the source lines to return to the common reference potential, thereby avoiding unwanted current flows in the output circuits and unwanted distortion of the pixel driving waveforms. | 05-27-2010 |
20100128027 | DISPLAY PANEL DRIVING VOLTAGE OUTPUT CIRCUIT - A driving voltage output circuit for a matrix display panel includes high-side voltage followers and low-side voltage followers. Each voltage follower includes a differential input stage, a control stage, and an output stage. First and second transistors in the differential input stage receive non-inverting and inverting inputs and produce first and second potentials that control the control stage. Third and fourth transistors of different channel types in the control stage are connected in a push-pull configuration between high-side and low-side power supply potentials to generate a control potential. Fifth and sixth transistors of identical channel types in the output stage are connected in series between an intermediate reference potential and one of the power supply potentials, and are controlled by the first potential and the control potential to generate an output potential. The output potential is fed back as the inverting input. | 05-27-2010 |
20110176683 | Information Communication Apparatus, Transmission Apparatus And Receiving Apparatus - The acoustic signal transmission method is based on generating a synthesized sound electrical signal by electrically synthesizing an audible sound signal and another signal different than the audible sound signal at the sending side, and transmitting the synthesized sound electrical signal, and extracting the another signal different than the audible sound signal from the synthesized sound electrical signal at the receiving side. Here, generation of the synthesized sound electrical signal is made by using a data hiding technique, for example. Accordingly, the acoustic signal represented by the synthesized sound electrical signal can be heard by human ears in the same way as the audible sound signal, and the synthesized another signal cannot be detected by human ears. Here, the synthesized sound electrical signal can be transmitted as a sound wave in air space, as electrical signal through a transmission line or as radio signals such as infrared and electromagnetic waves. | 07-21-2011 |
20120189325 | IMAGE FORMING DEVICE AND FAILURE CONTROL SYSTEM FOR THE SAME - An image forming device includes a plurality of power consumption parts that operate by power supply from a power source. The image forming device includes a failure detection part that detects occurrence of an unrecoverable failure, and a main controller that suppresses an amount of power supplied to the plurality of power consumption parts in response to detection by the failure detection part of the occurrence of an unrecoverable failure. | 07-26-2012 |
Patent application number | Description | Published |
20100039413 | DISPLAY PANEL DRIVING APPARATUS - The present disclosure provides a display panel driving apparatus for driving a display panel including a plurality of display cells, in accordance with an inputted image signal, including, a first latch section that successively reads and holds a pixel data piece for each pixel based on the inputted image signal, a second latch section that successively reads and outputs pixel data pieces every Q pieces (Q is an integer equal to or larger than 2) with a predetermined time difference therebetween in accordance with a load signal, a drive potential generating section that generates a drive potential to drive each of the display cells based on the outputted pixel data pieces, and an output gate section that applies the drive potentials to the respective display cells of the display panel, simultaneously after an elapse of a predetermined time period from a timing of supplying the load signal. | 02-18-2010 |
20110148842 | SOURCE DRIVER FOR LIQUID CRYSTAL DISPLAY PANEL - A source driver for a liquid crystal display panel which comprises a first amplifier which outputs a drive voltage to one of two mutually adjacent column terminals of the liquid crystal display panel, a second amplifier which outputs a drive voltage to the other of the two mutually adjacent column terminals of the liquid crystal display panel, a switching portion which alternately outputs a first reference voltage and a second reference voltage corresponding to image data to the first and second amplifiers through two output terminals by switching operations performed for each predetermined period, and a connecting portion which electrically connects lines from the two output terminals to the amplifiers, while the switching portion is performing a switching operation. | 06-23-2011 |
20110242084 | Source driver for liquid crystal display panel - A source driver for a liquid crystal display (LCD) panel in which during a first predetermined period immediately after polarity of a voltage according to image data is inverted, each column terminal of the LCD panel is shorted to a common line through an output terminal and a second switch element, a first output amplifying portion is set to a high impedance state, and an output signal of a second output amplifying portion is fed back to a differential amplifying portion through a third switch element. During a period after the first predetermined period and before inversion of polarity of a voltage according to the image data, an output signal of the first output amplifying portion is supplied to the output terminal without passing though a switch element, and is fed back to the differential amplifying portion through a fourth switch element. The output signal of the second output amplifying portion is fed back to the differential amplifying portion through the first and fourth switch elements. | 10-06-2011 |
20150015472 | DISPLAY PANEL DRIVING APPARATUS - The present disclosure provides a display panel driving apparatus for driving a display panel including a plurality of display cells, in accordance with an inputted image signal, including, a first latch section that successively reads and holds a pixel data piece for each pixel based on the inputted image signal, a second latch section that successively reads and outputs pixel data pieces every Q pieces (Q is an integer equal to or larger than 2) with a predetermined time difference therebetween in accordance with a load signal, a drive potential generating section that generates a drive potential to drive each of the display cells based on the outputted pixel data pieces, and an output gate section that applies the drive potentials to the respective display cells of the display panel, simultaneously after an elapse of a predetermined time period from a timing of supplying the load signal. | 01-15-2015 |
Patent application number | Description | Published |
20130221746 | Work Machine - In a work machine, as a regeneration need determining unit determines that a collecting unit needs to be regenerated, a load control unit causes an increase in load on an engine by controlling a pressure accumulating unit so as to accumulate pressure oil attributable to an output of the engine in the pressure accumulating unit as pressure energy from the hydraulic pump; and once the pressure energy is accumulated to a level matching a pressure accumulation upper limit at the pressure accumulating unit, the load control unit causes the increase in the load on the engine by controlling a power storage unit so as to store electric energy of power generated at a generator attributable to the output of the engine in the power storage unit. | 08-29-2013 |
20140020375 | HYDRAULIC WORKING MACHINE - A hydraulic working machine has an assist electric motor connected to an engine and a hydraulic pump. The emissions of air pollutants in the exhaust gas from the engine are minimized regardless of fluctuations in the load torque of the hydraulic pump. A specific revolution speed suitable for reducing the emissions of air pollutants is stored, and an engine is controlled using the specific revolution speed as a target revolution speed. The absorption torque of a hydraulic pump is subjected to high-pass filtering whereby a high-frequency component devoid of a trend component is obtained. Target assist torque is computed from the high-frequency component, and the assist electric motor is subjected to power running/generation control accordingly. A specific output torque range suitable for reducing the emissions of air pollutants is stored, and the target assist torque is corrected so that the trend component does not exceed the specific output torque range. | 01-23-2014 |
20140033699 | TRAVEL CONTROL DEVICE FOR WORK VEHICLE AND WORK VEHICLE - A travel control device for a work vehicle includes: a hydraulic pump; a plurality of hydraulic motors connected to the hydraulic pump in parallel through a closed-circuit connection, that drive different wheels with pressure oil delivered from the hydraulic pump; a slip detection device that detects a slip occurring at each of the wheels; and a flow control device that reduces, upon detection of a slip occurring at any of the wheels by the slip detection device, a quantity of pressure oil supplied to a hydraulic motor for driving the wheel at which the slip has been detected, among the plurality of hydraulic motors. | 02-06-2014 |
20150300378 | Hydraulic Control Device for Work Machine - The energy efficiency is increased by reducing the throttle/relief loss in the delivery flow of the hydraulic pump caused by the bleed-off control, while also making it possible to control the delivery pressure of the hydraulic pump according to the operation amount of the control lever unit and improving the operational performance. A controller | 10-22-2015 |
Patent application number | Description | Published |
20140002438 | SOURCE DRIVER AND LIQUID CRYSTAL DISPLAY DEVICE | 01-02-2014 |
20140118040 | SYNCHRONIZING CIRCUIT AND CLOCK DATA RECOVERY CIRCUIT INCLUDING THE SAME - A synchronizing circuit that is capable of generating a reproduced clock signal synchronized with a reference clock signal without causing a false lock and a clock data recovery circuit including the same are provided. To generate a clock signal synchronized with a reference clock signal associated with a data transition point that appears every predetermined period in an input data signal, the following false-lock avoidance processing is performed. That is, precharging of a first line is started when a phase control voltage applied to the first line by a charge pump falls below a lower-limit reference voltage, and the precharging of the first line is continued until the phase control voltage exceeds an upper-limit reference voltage. | 05-01-2014 |
20150138254 | DRIVING DEVICE FOR DRIVING A DISPLAY UNIT - Disclosed is a display unit driving device which has a reduced power consumption rate. The display unit displays an image in response to a video data signal which is constituted by a plurality of frames each including a data scanning period and a blanking period. The driving device stops power supply to a data driver for a predetermined power stop period within the blanking period. The data driver applies pixel drive voltages respectively corresponding to luminance levels of each pixel based on the video data signal to multiple data lines of the display device in each horizontal scanning cycle within the data scanning period. | 05-21-2015 |
20150138259 | DRIVING DEVICE FOR DRIVING DISPLAY UNIT - A device and method for controlling a semiconductor memory capable of suppressing deterioration in reliability of read-out data are provided. A drive controller generates pixel data sequence signals which indicate luminance levels of respective pixels based on a video data signal. A data driver generates pixel drive voltages corresponding to the luminance levels of the respective pixels on the basis of the pixel data sequence signals, and supplies the pixel drive voltages to data lines of the display unit. When the video data signal of one frame matches or substantially coincides with the video data signal of another frame which is directly succeeding to the particular one frame in time sequence, supply of the pixel data sequence signals to the data driver is stopped. | 05-21-2015 |
20150138261 | DRIVING DEVICE FOR DRIVING DISPLAY UNIT - A driving device for driving a display unit which can reduce power consumption regardless of the type of video data is provided which, based on the type of application software which is the provider of a video data signal, performs either one of a first power saving mode in which to stop power delivery to a data driver and a second power saving mode in which the data driver stops importing of the pixel data sequence signal when the 1-H line data's respectively corresponding to neighboring ones of horizontal scan lines of the display unit coincide with each other. | 05-21-2015 |
20160071472 | DISPLAY DEVICE, DISPLAY PANEL DRIVER, AND IMAGE DATA SIGNAL TRANSMISSION METHOD - For each unit transmission block having a pixel data block including at least one pixel data piece, clock data is added contiguously to a head of the pixel data block. If no data transition has occurred at a boundary between the clock data and the pixel data block, logic inversion is performed on the pixel data piece. Thereafter, a transmission image data signal in which unit transmission blocks, each constituted by adding an inversion flag immediately before the clock data, are consecutively arranged is transmitted to a display panel driver. The driver generates a clock signal on the basis of the clock data included in the received signal and takes in the pixel data piece or the resultant obtained by inverting the logic level of this pixel data piece in accordance with the clock signal on the basis of the inversion flag. | 03-10-2016 |