Patent application number | Description | Published |
20110081181 | IMAGE FORMING APPARATUS AND SHEET CONVEYING METHOD THAT CORRECT FOR SKEW OF SHEET CONVEYED TO IMAGE FORMING UNIT - An image forming apparatus that can reliably correct for skew of a sheet being conveyed. The amount of skew of the sheet is detected, and the amount of toner used for an image formed on a first surface of the sheet is determined. When the sheet with the image formed on the first surface thereof is conveyed so as to form an image on a second surface of the sheet, a skew correction roller unit is controlled so as to correct for the skew of the sheet based on the detected amount of skew and the determined amount of toner used. | 04-07-2011 |
20120133093 | SHEET CONVEYING DEVICE HAVING FUNCTION OF CORRECTING SKEW OF SHEET - A sheet conveying device that makes it possible to perform printing at high speed with high accuracy by easily correcting skew of a sheet, such as an index tab sheet, without requiring troublesome operations. Sheet detection sensors for detecting a sheet and skew correction rollers for conveying the sheet are disposed in a direction crosswise to a conveying direction of the sheet. A skew correction drive controller measures a leading edge detection time between respective detections of a leading edge of the sheet by the sensors, and controls the conveying speeds of the skew correction rollers independently of each other such that a skew represented by the leading edge detection time is corrected. If the leading edge detection time is not smaller than a predetermined threshold value, the skew correction drive controller reduces a skew correction amount for correcting the skew by a predetermined amount. | 05-31-2012 |
20120262765 | SHEET CONVEYANCE DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS USING SHEET CONVEYANCE DEVICE - A sheet conveyance device that is capable of correcting skew of a sheet like an index sheet without complicating a use setting and without increasing a cost significantly. A plurality of conveyance units are arranged in a direction intersecting a sheet conveyance direction to convey a sheet. At least three detection sensors are arranged in a direction intersecting the conveyance direction at an upstream side from the conveyance units to detect the sheet. A skew amount computation unit measures a time difference between detection timings of a front end of the sheet by two of the at least three detection sensors except the detection sensor that detects first, and computes a front-end skew amount according to the time difference. A speed change unit makes the conveyance speeds of the conveyance units be different according to the front-end skew amount so as to correct the skew of the sheet. | 10-18-2012 |
20120267848 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus includes a curved sheet conveyance path through which a sheet passes, and a sensor that is disposed in the sheet conveyance path and detects the passing sheet. The sensor includes a light-emitting portion that collects light from a light source and irradiates the passing sheet in an irradiating range which is broader in a sheet conveyance direction than a width direction, and a light-receiving portion that receives the light arriving at and reflected from the sheet. | 10-25-2012 |
20140301749 | IMAGE FORMING APPARATUS THAT CORRECTS DEVELOPING BIAS VOLTAGE - An image forming apparatus that reduces density irregularity caused by SD gap variation. A developing bias voltage for forming a developing electric field between a photosensitive drum and a developing sleeve is applied to the developing sleeve. A rotational period of the photosensitive drum is divided into a plurality of blocks, and current values are acquired for each block. An average value of the acquired current values for each block is stored until the photosensitive drum is rotated a predetermined number of times, for each of the predetermined number of times of rotation. A moving average value of the average values in each block is calculated, and a correction table for correcting the developing bias voltage to be applied in each block is created using the calculated moving average values, and the developing bias voltage is controlled based on the created correction table. | 10-09-2014 |
20150203310 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS HAVING BINDING PROCESSING FUNCTION - A sheet processing apparatus includes a binding unit configured to perform binding processing by pressing a sheet bundle, a motor configured to drive the binding unit to press the sheet bundle, and a motor control unit configured to set a driving current of the motor and an upper limit value of the driving current, the motor control unit being configured to set the driving current when starting activating the motor in a state where the binding unit is not pressing the sheet bundle to a first value, and set the upper limit value of the driving current in a period in which the binding unit is pressing the sheet bundle to a second value less than or equal to the first value. | 07-23-2015 |
20150205236 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fixing unit having a heater, and a fixing member, the fixing unit configured to fix an image onto the recording material, a film configured to increase its temperature by absorbing infrared rays, a first sensor configured to measure a temperature of the film, a holding member configured to hold the film, a second sensor configured to measure a temperature of the holding member, a storage unit for storing a plurality of temperature determination information, a selection unit configured to select temperature determination information to interest, based on the measurement results of the first and the second sensor, from among the plurality of the stored temperature determination information, and a determination unit configured to determine a temperature of the fixing unit using the temperature determination information to interest selected by the selection unit, based on the measurement results of the first and the second sensor. | 07-23-2015 |
Patent application number | Description | Published |
20080273354 | Power Supply - There are provided an inductive load current control circuit for detecting and controlling a current flowing to an inductive load with high accuracy, and a power supply. | 11-06-2008 |
20090008432 | HEATING DEVICE, REFLOW DEVICE, HEATING METHOD, AND BUMP FORMING METHOD - A solder bump is formed on a substrate by using a heating device where a lid structure blocks hot air from directly blowing against a solder composition. The heating device can reduce high-temperature oxygen molecules that come into contact with the solder composition, oxidation of the solder composition is suppressed. As a result, although the hot air is used for heating, a solder bump can be formed by the liquid-like solder composition. Further, because the lid structure is uniformly heated by the hot air, radiation heat from the lid structure is also uniform, and a container is more uniformly heated. In addition, because the hot air is suppressed from directly blowing against a liquid surface, the liquid-like solder composition is not scattered by the hot air. | 01-08-2009 |
20090024848 | Terminal Identification Method, Authentication Method, Authentication System, Server, Terminal, Wireless Base Station, Program, and Recording Medium - A terminal identification method is provided which enables two-way communications between terminals and a network while identifying terminal IDs and protecting privacy. Also, authentication method and system are provided which require no complicated calculating process, less steps and smaller amount for wireless communications, and less power consumption. A server and terminal share a hash function and an initial value determined for each terminal, calculate the same temporary ID by hashing the initial value the same number of times with the hash function, and identify the terminal using the calculated temporary ID. The server and the terminal also hold a common hash function and authentication information, acquire an authenticating communication parameter from communication parameters temporarily common during communication, and generate an authentication key using the authentication information, the authenticating communication parameter, and the hash function. Then at least one of the server and terminal performs authentication using the generated authentication key. | 01-22-2009 |
20090045711 | THIN SLIDE UNIT - Provided is a thin slide unit which allows, in a case where two ball plates each formed with a track-like ball groove are combined to thereby construct an endless circulation path for balls, by merely directly connecting the two ball plates without using a guide plate, balls to smoothly circulate, and a slider to smoothly reciprocate with respect to a guide rail. An endless circulation path for the balls of the slider is formed such that the two ball plates each formed with the track-like ball groove are caused to face each other, and that the ball plates are directly connected. Peripheral sides of the two ball plates oppose to each other, to thereby form a load opening portion for causing the balls in the endless circulation path to contact a rolling groove of the guide rail, and form a scooping-up portion for raising the balls from the rolling groove to guide the balls into the endless circulation path. | 02-19-2009 |
20090271580 | INFORMATION PROCESSING APPARATUS FOR MANAGING HISTORY OF ELECTRONIC INFORMATION - An electronic information format includes a header module and a history module in addition to source electronic information. A control program is incorporated in the header module, and the control program is expanded on a reception side. An operation on the electronic information on the reception side is recorded by the control program, and is written in the history module when the electronic information is closed. On a providing side, there are provided a program for creating electronic information of the present format, and a program for reading the history data from the electronic information. By this system, when the electronic information is provided, an operation, which is executed on the electronic information on the reception side, is recorded, and the record can be confirmed on the providing side. | 10-29-2009 |
20100161606 | INFORMATION SEARCH SYSTEM, INFORMATION SEARCH METHOD, AND PROGRAM - This invention provides an information search system including a management table which stores a name of a memory area and memory area information indicating the memory area in association with each other. When received source information search destination information indicates that source information to be searched is stored in a memory, the information search system searches the management table for a name of a memory area which matches a received source information name of the source information to be searched. When the name of the memory area which matches the received source information name of the source information to be searched is retrieved, the system acquires information which matches the received search target condition information from memory area information associated with the retrieved name of the memory area. | 06-24-2010 |
20110072121 | Terminal Identification Method, Authentication Method, Authentication System, Server, Terminal, Wireless Base Station, Program, and Recording Medium - A terminal identification method is provided which enables two-way communications between terminals and a network while identifying terminal IDs and protecting privacy. Also, authentication method and system are provided which require no complicated calculating process, less steps and smaller amount for wireless communications, and less power consumption. A server and terminal share a hash function and an initial value determined for each terminal, calculate the same temporary ID by hashing the initial value the same number of times with the hash function, and identify the terminal using the calculated temporary ID. The server and the terminal also hold a common hash function and authentication information, acquire an authenticating communication parameter from communication parameters temporarily common during communication, and generate an authentication key using the authentication information, the authenticating communication parameter, and the hash function. Then at least one of the server and terminal performs authentication using the generated authentication key. | 03-24-2011 |
20110156678 | SEMICONDUCTOR DEVICE AND DC-TO-DC CONVERTER - In general, according to one embodiment, a semiconductor device includes a device main body, a semiconductor substrate. The device main body includes a semiconductor substrate mounting part and a first conductor provided around the semiconductor substrate mounting part. The semiconductor substrate includes a DC-to-DC converter control circuit having a detector to detect at least one of a current flowing through the first conductor and a voltage supplied to the first conductor. The semiconductor substrate is disposed on the semiconductor substrate mounting part so that the detector comes close to the first conductor. | 06-30-2011 |
20120068202 | ACTIVE MATRIX SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY EQUIPMENT USING ACTIVE MATRIX SUBSTRATE MANUFACTURED BY THE SAME METHOD - The present invention provides an active matrix substrate and a method of manufacturing the same by decreasing the number of photolithographic processes to reduce the manufacturing cost. The invention also provides a display device using an active matrix substrate manufactured by said manufacturing method. In a process for preparing pixels on an active substrate, which constitutes a display device, a bank or an etching pattern is formed by performing half-tone exposure on a photo resist film or on a black color photo resist film where an active matrix and a display electrode are prepared by coating, and an insulator film is fabricated, and a transparent conductive film and a color filter are prepared by inkjet method. | 03-22-2012 |
20120313600 | SWITCHING CIRCUIT AND DC-TO-DC CONVERTER - According to one embodiment, a switching circuit includes a high-side switch, a rectifier, and a driver. The high-side switch is connected between a high potential terminal and an output terminal. The rectifier is connected between the output terminal and a low potential terminal, forward direction of the rectifier is a direction from the low potential terminal to the output terminal. The driver is connected between the high potential terminal and the output terminal. The driver switches a high-side switch ON based on a high-side control signal. The driver switches the high-side switch OFF when a first short detector detects shorts of the output terminal with the low potential terminal after a first period longer than a backward recovery time of the rectifier until the high-side control signal changing. | 12-13-2012 |
20130038307 | SWITCHING CIRCUIT AND DC-TO-DC CONVERTER - According to one embodiment, a switching circuit includes a high-side switch, a rectifier, and a driver. The high-side switch is connected between a high potential terminal and an output terminal. The rectifier is connected between the output terminal and a low potential terminal, and forward direction of the rectifier is the direction from the low potential terminal to the output terminal. The driver supplies a first voltage to a control terminal of the high-side switch in accordance with a high-side control signal and turns the high-side switch on. The driver supplies a second voltage being higher than the first voltage to the control terminal of the high-side switch when the voltage of the output terminal increases to not less than a predetermined value. | 02-14-2013 |
20130076321 | DC-DC CONVERTER AND DC-DC CONVERSION METHOD - A DC-DC converter has a plurality of DC-DC converting units, a plurality of inductor elements, a plurality of duty detection circuits, and a duty adjustment circuit configured to compare output signals from two detection circuits as each group, and to adjust the duty ratio of the DC-DC converting unit connected to one of the two duty detection circuits based on a result of comparing the output signals so that the duty ratio of the square wave voltage of each group becomes equal. | 03-28-2013 |
20130229160 | OPERATION CONTROLLER, DC-DC CONVERTER CONTROLLER, AND DC-DC CONVERTER - An operation controller has a reference voltage generator, a starter circuit, and a switch element. The reference voltage generator is connected to an enable terminal to which an enable signal is supplied. After the enable signal is supplied and a start signal is generated, the reference voltage generator generates a reference voltage up to a stable value. After the reference voltage rises to the stable value, it generates a stop signal. When the enable signal is supplied, the starter circuit generates the start signal, and supplies it to the reference voltage generator. When the enable signal is no longer supplied or the stop signal is generated, the start signal is terminated. The switch element has one end connected to the enable terminal and the other end supplied with a prescribed voltage; it turns on when the start signal is generated, and turns off when the start signal is terminated. | 09-05-2013 |
20130249294 | REGULATOR - The regulator has a differential circuit that generates a comparison signal corresponding to the difference between an input voltage and a voltage related to the output voltage, a first transistor that adjusts the output voltage in accordance with the comparison signal, a first current mirror circuit connected to a pair of differential output lines of the differential circuit, a second transistor that amplifies the high frequency signal superposed on the output voltage and sends the amplified signal to one of the differential output lines, a second current source that feeds current for amplifying the high frequency signal to the second transistor, a first capacitor, which accumulates charge therein as a result of the high frequency signal and controls the current flowing to one the pair of differential output lines via the second transistor in accordance with the charge quantity, and a second capacitor connected to the output voltage line. | 09-26-2013 |
20130249512 | SEMICONDUCTOR DEVICE AND DC-TO-DC CONVERTER - In general, according to one embodiment, a semiconductor device includes a device main body, a semiconductor substrate. The device main body includes a semiconductor substrate mounting part and a first conductor provided around the semiconductor substrate mounting part. The semiconductor substrate includes a DC-to-DC converter control circuit having a detector to detect at least one of a current flowing through the first conductor and a voltage supplied to the first conductor. The semiconductor substrate is disposed on the semiconductor substrate mounting part so that the detector comes close to the first conductor. | 09-26-2013 |
20140042998 | DC-DC CONVERTER - A DC-DC converter includes a high-side circuit supplied with a power supply voltage and a first internal reference voltage generated by a first regulator. The high-side circuit provides a current to an inductor, which is used for generating an output voltage. The first and second regulators each generate respective internal reference voltages. The second internal reference voltage is provided to a signal processing module, which controls the high side circuit so that the output voltage of the DC-DC converter corresponds to regulated target voltage level. The first and second regulators include a differential circuit comparing voltages and generating a corresponding comparison signal, a transistor for generating the internal reference voltage according to a gate voltage applied to its gate, and a circuit to change the gate voltage to reduce a signal amplitude of the comparison signal. | 02-13-2014 |
20140145698 | DC-DC CONVERTER - A DC-DC converter includes a signal generator that sets a first signal at a prescribed value when an input power supply voltage is at or lower than a prescribed voltage, a first voltage controller that generates a first voltage so that an output voltage rises gradually during a prescribed period of time, an error amplifier outputting a second signal corresponding to the voltage difference between the either the first voltage and a voltage correlated to the output voltage of the converter or a reference voltage and the voltage correlated to the output voltage, a signal processor that generates a third signal and a switch control signal for a high-side switch and a low-side switch on the basis of the first signal and the second signal, and an output voltage controller that causes the low-side switch to be turned off during a prescribed period from the start of the prescribed period. | 05-29-2014 |
20140289400 | MONITORING SYSTEM, MONITORING APPARATUS, MONITORING-TARGET APPARATUS, MONITORING METHOD AND COMPUTER-READABLE RECORDING MEDIUM HAVING STORED THEREIN MONITORING PROGRAM - A monitoring system includes a monitoring apparatus and a monitoring-target apparatus connected therewith via a network. The monitoring apparatus includes an inquirer that inquires as to whether or not the monitoring-target apparatus is capable of obtaining a status thereof. The monitoring-target apparatus includes a responder that transmits, when the monitoring-target apparatus is in a first status in which the status is obtainable, a response to the inquiry. The monitoring apparatus further includes a receiver that receives the response to the inquiry, and a requester that requests, when the receiver receives the response, the monitoring-target apparatus transmitted the received response to obtain the status of the monitoring-target apparatus. The monitoring-target apparatus further includes a communication controller that does not respond to the inquiry and the monitoring-target apparatus is in a second status in which the status is not obtainable, and that maintains the local monitoring-target apparatus in the second status. | 09-25-2014 |
20140349753 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING SYSTEM - When an acquisition unit acquires image data of a game being played on another information processing apparatus, a display processing unit displays, using the acquired image data, an image of game play. A participation processing unit allows a user to join the game being played on the other information processing apparatus, and an execution unit activates game software after it is determined that the user joins the game. While the execution unit is activating the game software, the display processing unit continues to display the image of the game play. | 11-27-2014 |
20140364221 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING SYSTEM - When an acquisition unit acquires image data of a game being played on another information processing apparatus, a display processing unit displays, using the acquired image data, an image of game play. A participation processing unit allows a user to join the game being played on the other information processing apparatus, and a transmission unit transmits operation information from the user to the other information processing apparatus. When the acquisition unit acquires image data in which the transmitted operation information is reflected in the progress of the game in the other information processing apparatus, the display processing unit displays, using the image data, an image of game play in which the operation information is reflected. | 12-11-2014 |
20150024842 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING SYSTEM - When a content acquisition unit acquires a part of full-size application software, an installation processing unit installs the acquired part, and an execution unit sets the installed application software to be executable. While the execution unit is executing the application software, the content acquisition unit continues to download the application software. A display processing unit changes a display mode of an icon image differently when a part of the application software is installed and when the application software is installed in its entirety. | 01-22-2015 |
20150231505 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING SYSTEM - An acquisition unit | 08-20-2015 |
20150236975 | VIRTUAL GUEST MANAGEMENT SYSTEM AND VIRTUAL GUEST MANAGEMENT METHOD - Proposed are a virtual guest management system and a virtual guest management method capable of improving the usage efficiency of resources. | 08-20-2015 |
20150274285 | WHEEL DRIVE SYSTEM FOR AIRCRAFT - Provided is a wheel drive system for aircraft RS including a motor | 10-01-2015 |
20160036331 | SEMICONDUCTOR DEVICE AND DC-TO-DC CONVERTER - In general, according to one embodiment, a semiconductor device includes a device main body, a semiconductor substrate. The device main body includes a semiconductor substrate mounting part and a first conductor provided around the semiconductor substrate mounting part. The semiconductor substrate includes a DC-to-DC converter control circuit having a detector to detect at least one of a current flowing through the first conductor and a voltage supplied to the first conductor. The semiconductor substrate is disposed on the semiconductor substrate mounting part so that the detector comes close to the first conductor. | 02-04-2016 |
Patent application number | Description | Published |
20090219989 | CODING DEVICE AND EDITING DEVICE - A coding device includes a coding unit ( | 09-03-2009 |
20090257491 | MOVING PICTURE CODING APPARATUS, MOVING PICTURE DECODING APPARATUS, AND STREAM DATA - A signal separation unit ( | 10-15-2009 |
20090279841 | METADATA RECORDING DEVICE AND METHOD THEREOF - A metadata recording device that inserts an invalid byte for anti-emulation without scanning the contents of metadata and allows a data length after the anti-emulation is performed to be a fixed length is a metadata recording device that records main data and metadata, which are binary data, and includes: a generation unit configured to generate pieces of invalid data, each of which is data of a value not included in a specific byte sequence that is a byte sequence having a specific meaning; an insertion unit configured to insert each piece of the invalid data into the metadata at intervals shorter than a length of the specific byte sequence; and a recording unit configured to record the metadata into which the pieces of the invalid data are inserted. | 11-12-2009 |
20100021127 | DATA CONTROL APPARATUS, DATA BACKUP APPARATUS, AND RECORDING MEDIUM - A data control apparatus includes: a separating unit for separating material data included in original video and audio files into a used portion and an unused portion, based on editing information indicating the used portion of the material data in the video and audio files, and generating first data including only the used portion and second data including only the unused portion; a connection information generation unit for generating connection information associating information about positions of the first data and the second data in the original video and audio files with information about positions of the first data and the second data on an external recording medium; and a formatting unit for arranging the first data, the second data, the connection information, and the editing information in a predetermined order, and outputting, as backup data, the first data, the second data, the connection information, and the editing information. | 01-28-2010 |
20100119214 | VIDEO RECORDING APPARATUS, MULTIPLEXING METHOD, PICTURE ENCODING METHOD, PROGRAM, AND RECORDING MEDIUM FOR VARIABLE FRAME-RATE RECORDING - A video recording apparatus provides a slow motion effect or a quick motion effect by digitally converting the frame-rate instead of by changing the playback speed of the film, and using few recording media without requiring any special device at playing. A picture encoding part encodes only valid frames by changing a rate-controlling method so that a predetermined playing frame-rate is obtained at a standard data-rate at playing. And a TS multiplexing part multiplexes by converting a frequency of a standard STC clock by only a ratio of valid frame-rate and playing frame-rate, and generating values for PCR, PTS, and DTS. | 05-13-2010 |
20100234666 | METHOD FOR PURIFICATION OF SUBSTANCES CONTAMINATED WITH ORGANIC CHEMICALS - The present invention provides a method for purifying organic chemical-containing contaminated substances by which various organic chemicals (contaminants) can be readily and sufficiently decomposed in a short time, the method comprising the steps of adding a metal salt and a transition metal ionic compound to water or soil that contains organic chemicals, decomposing the organic chemicals by irradiating with light, and separating/collecting the detoxified organic chemicals. | 09-16-2010 |
20110013849 | IMAGE ENCODING DEVICE AND IMAGE DECODING DEVICE - An image encoding device includes: an image division section for dividing one frame of image into a plurality of image fragments, grouping the plurality of image fragments into N sets (N: an integer of 2 or more), and outputting the N sets of image fragments as N partial images; an image swapping section for swapping at least one image fragment with another between the N partial images to thereby output N partial images each having shuffled image fragments; and an encoding section for encoding the N partial images output from the image swapping section. | 01-20-2011 |
20110169820 | 3D IMAGE SPECIAL EFFECT DEVICE AND A METHOD FOR CREATING 3D IMAGE SPECIAL EFFECT - A 3D image special effects device for creating special effects on a 3D image including a first image and a second image having disparity. The 3D image special effects device includes: a range specification receiving unit capable of receiving an input of a specified range of the first image on which the special effects are created; a first block division unit capable of dividing the specified range into a plurality of first image blocks; a first special effects unit capable of creating the special effects on each of the plurality of the first image blocks; a block matching unit capable of determining an image which corresponds to an image of the each of the plurality of the first image blocks from the second image, and deriving a parallax vector which represents directionality and a magnitude of parallax between the first image blocks and the corresponding image; a second block division unit capable of determining a plurality of second image blocks on the second image in accordance with the parallax vector, the second image blocks corresponding to the plurality of first image blocks; and a second special effects unit capable of creating the special effects on the determined plurality of second image blocks. | 07-14-2011 |
20120177344 | DATA CONTROL APPARATUS, DATA BACKUP APPARATUS, AND RECORDING MEDIUM - A data control apparatus includes: a separating unit for separating material data included in original video and audio files into a used portion and an unused portion, based on editing information indicating the used portion of the material data in the video and audio files, and generating first data including only the used portion and second data including only the unused portion; a connection information generation unit for generating connection information associating information about positions of the first data and the second data in the original video and audio files with information about positions of the first data and the second data on an external recording medium; and a formatting unit for arranging the first data, the second data, the connection information, and the editing information in a predetermined order, and outputting, as backup data, the first data, the second data, the connection information, and the editing information. | 07-12-2012 |
20120213277 | MOVING PICTURE CODING APPARATUS, MOVING PICTURE DECODING APPARATUS, AND STREAM DATA - A signal separation unit ( | 08-23-2012 |
20120242791 | 3-D VIDEO PROCESSING DEVICE AND 3-D VIDEO PROCESSING METHOD - A 3D image processing device capable of processing a 3D image signal, the 3D image signal including a left eye image signal and a right eye image signal and realizing a 3D The 3D image processing device includes: a parallax detecting unit operable to receive the left eye image signal and the right eye image signal, detect a parallax of an object within the 3D image, and output the detected parallax as parallax information; and an image processing unit operable to perform, based on the parallax information, a predetermined image processing to an image region of an object of at least one of the left eye image signal and the right eye image signal, the object having a parallax within a predetermined range. | 09-27-2012 |
20140016915 | EDITING DEVICE - An editing device for connecting first and second streams containing variable length coded parameters, includes a decision unit operable to compare an encoded first parameter contained in the first stream with an encoded second parameter contained in the second stream, and decide whether at least one of the first parameter and the second parameter is to be changed, and a replacing unit operable to replace at least one of the first and second parameters with the other code word of the same length as the code words assigned to the first and second parameters, when the decision unit decides that at least one of the parameters is to be changed. | 01-16-2014 |
20140300691 | IMAGING SYSTEM - An imaging system is an imaging system for shooting a plurality of images to generate a panoramic image. The imaging system includes a plurality of cameras. Each camera has each of a plurality of sub-regions of a subject region as a shooting region, the sub-regions resulting from dividing the subject region in a first direction. Each camera is arranged adjacent to an other camera in either the first direction or a second direction orthogonal to the first direction, the other camera handling a shooting region adjacent to a shooting region handled by each camera. The number of the pairs of cameras adjacent to each other in the first direction is less than the number of the pairs of cameras adjacent to each other in the second direction. | 10-09-2014 |
Patent application number | Description | Published |
20100025618 | PIEZOELECTRIC MATERIAL - Provided is a piezoelectric material which includes a compound free of lead and alkali metal and has a good piezoelectric property. The piezoelectric material where tungsten bronze structure oxides being free of lead and alkali metal and represented by A | 02-04-2010 |
20100155647 | OXYNITRIDE PIEZOELECTRIC MATERIAL AND METHOD OF PRODUCING THE SAME - Provided are an oxynitride piezoelectric material which exhibits ferroelectricity and has good piezoelectric properties and a method of producing the oxynitride piezoelectric material. The oxynitride piezoelectric material includes a tetragonal perovskite-type oxynitride represented by the following general formula (1): | 06-24-2010 |
20100231096 | PIEZOELECTRIC MATERIAL, METHOD OF MANUFACTURING THE SAME, AND PIEZOELECTRIC DEVICE - Provided is a piezoelectric material having a good piezoelectric property and Curie temperature (Tc) of 150° C. or higher, and a piezoelectric device using the piezoelectric material. The piezoelectric material includes a sintered body made of a perovskite-type metal oxide represented by the following general formula (1): xBi(Mg | 09-16-2010 |
20110219990 | ALIGNMENT STAGE - In an alignment stage, a top table | 09-15-2011 |
20110297870 | PIEZOELECTRIC MATERIAL AND PRODUCTION METHOD THEREFOR - Provided is an oriented piezoelectric material with satisfactory sintering property free of Pb that is a hazardous substance, and a water-soluble alkaline ion, and a production method therefor. To this end, provided is a compound, including a tungsten bronze structure metal oxide, in which: the tungsten bronze structure metal oxide contains at least metal elements of Ba, Bi, Ca, and Nb, the metal elements satisfying the following conditions in terms of molar ratio; and has a C-axis orientation. The compound shows Ba/Nb=a: 0.363 | 12-08-2011 |
20110298336 | CERAMIC, PIEZOELECTRIC DEVICE, AND PRODUCTION METHOD THEREOF - To provide a piezoelectric ceramic containing BiFeO | 12-08-2011 |
20120044511 | TRANSFER APPARATUS FOR OFFSET PRINTING - The present invention relates to a transfer apparatus for offset printing, in which a gate-shaped frame ( | 02-23-2012 |
20120067232 | OFFSET PRINTING APPARATUS - On a guide rail ( | 03-22-2012 |
20120079953 | OFFSET PRINTING APPARATUS - An offset printing apparatus includes a frame; guide rails that are provided on the frame; a plurality of guide blocks that are provided on the guide rails; a plate table that travels via one portion of the guide blocks among the plurality of guide blocks; a print target table that travels via another portion of the guide blocks among the plurality of guide blocks; and a blanket roll that is provided on the frame; wherein transfer from the plate to the blanket roll, and retransfer from the blanket roll to the print target are performed by causing the blanket roll to successively make contact from above with a plate that is held on the plate table, and a print target that is held on the print target table; a step portion for positioning that consists of a vertical surface that is formed by a machining process so that the linearity increases and a horizontal surface is provided at mounting locations of the guide rails on the upper surface portion of the frame; and one side surface and the bottom surface of the guide rails are pressed against the vertical surface and the horizontal surface of the step portion, respectively, to be fixed. | 04-05-2012 |
20130020525 | PIEZOELECTRIC MATERIAL, METHOD OF MANUFACTURING THE SAME, AND PIEZOELECTRIC DEVICE - Provided is a piezoelectric material having good piezoelectric properties and a Curie temperature (Tc) of 150° C. or higher, and a piezoelectric device using the piezoelectric material. The piezoelectric material includes a sintered body made of a perovskite-type metal oxide represented by the following general formula (1): xBi(Mg | 01-24-2013 |
20130221069 | FRICTION STIR WELDING APPARATUS - In a friction stir welding apparatus, workpiece fixing surface plates ( | 08-29-2013 |
20140125204 | PIEZOELECTRIC MATERIAL AND PRODUCTION METHOD THEREFOR - Provided is an oriented piezoelectric material with satisfactory sintering property free of Pb that is a hazardous substance, and a water-soluble alkaline ion, and a production method therefor. To this end, provided is a compound, including a tungsten bronze structure metal oxide, in which: the tungsten bronze structure metal oxide contains at least metal elements of Ba, Bi, Ca, and Nb, the metal elements satisfying the following conditions in terms of molar ratio; and has a C-axis orientation. The compound shows Ba/Nb=a: 0.363 | 05-08-2014 |
Patent application number | Description | Published |
20080212010 | Display device and manufacturing method thereof - The present invention provides a liquid crystal display device which can easily prevent the generation of longitudinal smear. The display device includes a display panel having a plurality of scanning signal lines, a plurality of video signal lines, a plurality of thin film transistors and a plurality of pixel electrodes arranged in a matrix array. In a state that a gap between two neighboring video signal lines with one pixel electrode out of the plurality of pixel electrodes sandwiched therebetween in a region where one pixel electrode is arranged is larger than a gap between two neighboring video signal lines with another pixel electrode different from one pixel electrode sandwiched therebetween in a region where another electrode is arranged, a size of one pixel electrode is set larger than a size of another pixel electrode. | 09-04-2008 |
20080225191 | DISPLAY DEVICE - A display device which can reduce easily the brightness unevenness produced by the insufficient writing of TFT, wherein, the display device having: a display panel which, over a surface of an insulating substrate, includes plural scanning signal lines; plural picture signal lines; plural TFTs; plural pixel electrodes coupled to sources of the TFTs; and a counter electrode, wherein the pixel and counter electrodes are arranged over the same surface of an insulating layer overlying the surface of the insulating substrate, and when a gate insulating film provided at one TFT among the TFTs is thinner than a gate insulating film provided at another TFT among the TFTs, a gap between a pixel electrode coupled to the source of the one TFT and the counter electrode is set to be wider than a gap between a pixel electrode coupled to the source of the another TFT and the counter electrode. | 09-18-2008 |
20090033817 | Display device - A display device comprising a plurality of scan signal lines; a plurality of picture signal lines three-dimensionally intersecting the plurality of scan signal lines; and numerous TFT elements arranged in a matrix; and having a display panel in which each of the TFT elements has a gate connected to one of the plurality of scan signal lines, and a drain or source connected to one of the plurality of picture signal lines; wherein the TFT elements respectively differ in terms of channel width, channel length, or both, depending on a distance from a signal input terminal of the scan signal line to which the gate is connected and a distance from a signal input terminal of the picture signal line to which one of the drain and the source is connected. | 02-05-2009 |
20090155933 | Manufacturing Method of Display Device - To suppress the occurrence of image quality irregularities in a liquid crystal display device having a TFT substrate which is manufactured by performing steps a plurality of times in such a manner that one region is divided into a plurality of exposure regions, and the plurality of exposure regions is exposed. In a manufacturing method of a display device which performs, for a preliminarily determined one region on a surface of an insulation substrate, an exposure/development step including a step of exposing a formed film made of a photosensitive material and a step of developing an exposed film made of the photosensitive material a plurality of times, said each exposure step is performed such that said one region is divided into the plurality of exposure regions by a boundary line which has no overlapping portion and is not aligned with a boundary line between the exposure regions in the exposure step for at least one time out of other exposure steps, and the whole of said one region is exposed by individually exposing the respective exposure regions. | 06-18-2009 |
20110157508 | DISPLAY DEVICE WHEREIN A GATE INSULATING FILM PROVIDED AT ONE TFT IS THINNER THAN A GATE INSULATING FILM PROVIDED AT ANOTHER TFT, AND A GAP BETWEEN A PIXEL ELECTRODE AND A COUNTER ELECTRODE IS WIDER FOR THE ONE TFT THAN THE ANOTHER TFT - A display device which can reduce easily the brightness unevenness produced by the insufficient writing of TFT, wherein, the display device having: a display panel which, over a surface of an insulating substrate, includes plural scanning signal lines; plural picture signal lines; plural TFTs; plural pixel electrodes coupled to sources of the TFTs; and a counter electrode, wherein the pixel and counter electrodes are arranged over the same surface of an insulating layer overlying the surface of the insulating substrate, and when a gate insulating film provided at one TFT among the TFTs is thinner than a gate insulating film provided at another TFT among the TFTs, a gap between a pixel electrode coupled to the source of the one TFT and the counter electrode is set to be wider than a gap between a pixel electrode coupled to the source of the another TFT and the counter electrode. | 06-30-2011 |
20120001835 | Display Device - In a display device of built-in driver circuit type including a non-rectangular image display area, the frame area surrounding the display area is reduced and the wiring delay is reduced. The image display device includes a plurality of pixels arranged in an orthogonal matrix form, a plurality of scanning wiring lines connected to the plural pixels, a plurality of signal wiring lines connected to the plural pixels, the signal wiring lines being disposed to construct an orthogonal matrix form with the plural scanning wiring lines; signal wiring internal circuits for driving the plural signal wiring lines, and an image display area including a plurality of pixels, the image display area having a non-rectangular outer contour. The signal wiring internal circuits are separated from each other in an extending direction of the signal wiring lines in a unit of length of the pixel. | 01-05-2012 |
Patent application number | Description | Published |
20110120494 | DUST REMOVING DEVICE AND DUST REMOVING METHOD - In a piezoelectric device, a first electrode and a second electrode are disposed to be opposed to each other on plate surfaces of the piezoelectric device, a first electrode plane of the piezoelectric device is fixedly bonded to a plate surface of a vibrating plate, a piezoelectric material forming the piezoelectric device is polarized in a direction parallel to the first electrode plane, the piezoelectric device is fixed to a base through a second electrode plane of the piezoelectric device, and the piezoelectric device generates a thickness-shear vibration with the fixed second electrode plane being a reference plane. The piezoelectric vibration generated by the piezoelectric device generates a flexural vibration in the vibrating plate, to thereby remove dust adhering to a surface of the vibrating plate. | 05-26-2011 |
20110128327 | PIEZOELECTRIC CERAMIC, METHOD FOR MAKING THE SAME, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - A piezoelectric ceramic that includes barium titanate and 0.04 mass % or more and 0.20 mass % or less manganese relative to barium titanate. The piezoelectric ceramic is composed of crystal grains. The crystal grains include crystal grains A having an equivalent circular diameter of 30 μm or more and 300 μm or less and crystal grains B having an equivalent circular diameter of 0.5 μm or more and 3 μm or less. The crystal grains A and the crystal grains B individually form aggregates and the aggregates of the crystal grains A and the aggregates of the crystal grains B form a sea-island structure. | 06-02-2011 |
20120032557 | VIBRATION GENERATING DEVICE, DRIVING METHOD THEREFOR, FOREIGN SUBSTANCE REMOVING DEVICE, AND OPTICAL DEVICE - Provided is a vibration generating device in which more improvement of drive efficiency can be realized than conventional ones. The vibration generating device includes: a piezoelectric element including a piezoelectric material interposed between electrodes; a vibration member; a power source for applying an alternating voltage to the piezoelectric element; and a control section for controlling a frequency of the alternating voltage applied by the power source, in which the control section controls the frequency of the alternating voltage applied to the piezoelectric element so that the resonance frequency of the piezoelectric element is successively changed from low frequency side to high frequency side in a frequency range including a change range of a resonance frequency of the piezoelectric element. | 02-09-2012 |
20130206164 | DUST REMOVING DEVICE AND DUST REMOVING METHOD - In a piezoelectric device, a first electrode and a second electrode are disposed to be opposed to each other on plate surfaces of the piezoelectric device, a first electrode plane of the piezoelectric device is fixedly bonded to a plate surface of a vibrating plate, a piezoelectric material forming the piezoelectric device is polarized in a direction parallel to the first electrode plane, the piezoelectric device is fixed to a base through a second electrode plane of the piezoelectric device, and the piezoelectric device generates a thickness-shear vibration with the fixed second electrode plane being a reference plane. The piezoelectric vibration generated by the piezoelectric device generates a flexural vibration in the vibrating plate, to thereby remove dust adhering to a surface of the vibrating plate. | 08-15-2013 |
20130214639 | PIEZOELECTRIC CERAMIC, METHOD FOR MAKING THE SAME, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - A piezoelectric ceramic that includes barium titanate and 0.04 mass % or more and 0.20 mass % or less manganese relative to barium titanate. The piezoelectric ceramic is composed of crystal grains. The crystal grains include crystal grains A having an equivalent circular diameter of 30 μm or more and 300 μm or less and crystal grains B having an equivalent circular diameter of 0.5 μm or more and 3 μm or less. The crystal grains A and the crystal grains B individually form aggregates and the aggregates of the crystal grains A and the aggregates of the crystal grains B form a sea-island structure. | 08-22-2013 |
20130278681 | PIEZOELECTRIC CERAMIC, PIEZOELECTRIC ELEMENT, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - There is provided a lead-free piezoelectric ceramic having a high and stable piezoelectric constant and a high and stable mechanical quality factor in a wide operating temperature range. A method for manufacturing the lead-free piezoelectric ceramic is also provided. the general formula (1) | 10-24-2013 |
20140009038 | PIEZOELETRIC CERAMIC, METHOD FOR MAKING SAME, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST CLEANER - A barium titanate piezoelectric ceramic having good piezoelectric properties and mechanical strength and a piezoelectric element that includes the ceramic are provided. A method for making a piezoelectric ceramic includes forming a compact composed of an oxide powder containing barium titanate particles, sintering the compact, and decreasing the temperature of the compact after the sintering. The sintering includes (A) increasing the temperature of the compact to a first temperature within a temperature range of a shrinking process of the compact; (B) increasing the temperature of the compact to a second temperature within a temperature range of a liquid phase sintering process of the compact after (A); (C) decreasing the temperature of the compact to a third temperature within the temperature range of the shrinking process of the compact after (B); and (D) retaining the third temperature after (C). | 01-09-2014 |
20140106170 | SODIUM NIOBATE POWDER, METHOD OF MANUFACTURING A SODIUM NIOBATE POWDER, PLATE-LIKE PARTICLE, METHOD OF MANUFACTURING A PLATE-LIKE PARTICLE, AND METHOD OF MANUFACTURING AN ORIENTED CERAMICS - Provided are methods of manufacturing an oriented ceramics containing sodium niobate and a raw material thereof. Specifically, provided is a sodium niobate powder, including cuboidal sodium niobate particles having an average side length of 0.1 μm or more to 100 μm or less, at least one face of the cuboid including a (100) plane in pseudo-cubic notation, in which the sodium niobate powder has a perovskite single-phase structure. | 04-17-2014 |
20140125199 | PIEZOELECTRIC ELEMENT, OSCILLATORY WAVE MOTOR, AND OPTICAL APPARATUS - A piezoelectric element that can decrease the output voltage for detection relative to the input voltage for driving without requiring a step-down circuit between a detection phase electrode and a phase comparator and an oscillatory wave motor including the piezoelectric element are provided. A piezoelectric element includes a piezoelectric material having a first surface and a second surface, a common electrode disposed on the first surface, and a drive phase electrode and a detection phase electrode disposed on the second surface. An absolute value d(1) of a piezoelectric constant of the piezoelectric material in a portion (1) sandwiched between the drive phase electrode and the common electrode and an absolute value d(2) of a piezoelectric constant of the piezoelectric material in a portion (2) sandwiched between the detection phase electrode and the common electrode satisfy d(2)05-08-2014 | |
20140131611 | PIEZOELECTRIC MATERIAL - A lead-free piezoelectric material that has stable, excellent piezoelectric constant and mechanical quality factor in a wide operating temperature range is provided. A piezoelectric material include a perovskite-type metal oxide represented by (Ba | 05-15-2014 |
20140145106 | PIEZOELECTRIC MATERIAL - A lead-free piezoelectric material that does not undergo depolarization in a wide operating temperature range and has a good piezoelectric constant is provided. A piezoelectric material include a perovskite-type metal oxide represented by (Ba | 05-29-2014 |
20140184876 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS - A piezoelectric material includes, as a main component, a perovskite-type metal oxide represented by a general formula (Ba | 07-03-2014 |
20150015643 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC EQUIPMENT - A piezoelectric material contains a main component containing a perovskite-type metal oxide having the formula (1); a first auxiliary component composed of Mn; and a second auxiliary component composed of Bi or Bi and Li, wherein the Mn content is 0.04 parts by weight or more and 0.400 parts by weight or less on a metal basis per 100 parts by weight of the metal oxide, the Bi content is 0.042 parts by weight or more and 0.850 parts by weight or less on a metal basis per 100 parts by weight of the metal oxide, and the Li content is 0.028 parts by weight or less (including 0 parts by weight) on a metal basis per 100 parts by weight of the metal oxide. | 01-15-2015 |
20150041701 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS - Provided is a lead-free piezoelectric material having satisfactory piezoelectric constant and mechanical quality factor in a device driving temperature range (−30° C. to 50° C.) The piezoelectric material includes a main component containing a perovskite-type metal oxide represented by Formula 1, a first auxiliary component composed of Mn, and a second auxiliary component composed of Bi or Bi and Li. The content of Mn is 0.040 parts by weight or more and 0.500 parts by weight or less based on 100 parts by weight of the metal oxide on a metal basis. The content of Bi is 0.042 parts by weight or more and 0.850 parts by weight or less and the content of Li is 0.028 parts by weight or less (including 0 parts by weight) based on 100 parts by weight of the metal oxide on a metal basis. | 02-12-2015 |
20150053884 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS - The present invention provides a lead-free piezoelectric material having a high piezoelectric constant and a high mechanical quality factor in a wide operating temperature range. The piezoelectric material includes a perovskite-type metal oxide represented by Formula (1): | 02-26-2015 |
20150053885 | PIEZOELECTRIC CERAMIC, METHOD FOR MANUFACTURING PIEZOELECTRIC CERAMIC, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE - A piezoelectric ceramic contains a main component, Mn as a first auxiliary component, and a second auxiliary component containing at least one element selected from the group consisting of Cu, B, and Si. The main component contains a perovskite metal oxide having the following general formula (1): | 02-26-2015 |
20150295160 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC EQUIPMENT - To provide a lead-free piezoelectric material having a high and stable piezoelectric constant in a wide operating temperature range. The piezoelectric material contains a perovskite type metal oxide having the general formula (1), Mn, Mg, | 10-15-2015 |
20150295161 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC EQUIPMENT - There is provided a lead-free piezoelectric material having a high and stable piezoelectric constant and mechanical quality factor in a wide operating temperature range. | 10-15-2015 |
20150349236 | VIBRATION WAVE DRIVING DEVICE, IMAGE PICKUP DEVICE, OPTICAL APPARATUS, LIQUID DISCHARGE DEVICE, AND ELECTRONIC APPARATUS - A vibration wave driving device including a lead-free piezoelectric material that can be driven with high reliability over a wide operating temperature range, an image pickup device including the vibration wave driving device, and an optical apparatus including the vibration wave driving device are provided. The vibration wave driving device generates a vibration wave by applying an AC voltage to a piezoelectric element, and includes the piezoelectric element and a capacitor that satisfy 20[° C.]≦T∈(Cmax)−T∈(Pmax)≦75[° C.] and 0.50≦∈(Cc)/∈(Cmax)≦0.80. | 12-03-2015 |
20150349238 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE - The present invention can provide a lead-free piezoelectric material having a high piezoelectric constant in the room temperature range. The present invention for this purpose is a piezoelectric material including a main component containing a perovskite metal oxide represented by following general formula (1), | 12-03-2015 |
20150349666 | PIEZOELECTRIC ELEMENT, STATOR FOR OSCILLATORY WAVE MOTOR, OSCILLATORY WAVE MOTOR, DRIVING CONTROL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR MAKING STATOR FOR OSCILLATORY WAVE MOTOR - The present invention provides a piezoelectric element that includes a piezoelectric material having first and second surfaces; a common electrode disposed on the first surface; and a plurality of drive phase electrodes, a detection phase electrode, and a non-drive phase electrode disposed on the second surface, the piezoelectric material being sandwiched between the common electrode and the electrodes on the second surface. An absolute value d(1) of a piezoelectric constant of the piezoelectric material (1) in portions sandwiched between the drive phase electrodes and the common electrode, an absolute value d(2) of a piezoelectric constant of the piezoelectric material (2) in a portion sandwiched between the detection phase electrode and the common electrode, and an absolute value d(3) of the piezoelectric material (3) in a portion sandwiched between the non-drive phase electrode and the common electrode satisfy d(2)<0.95d(1), d(3)<0.95d(1), and 0.9≦d(3)/d(2)≦1.1. | 12-03-2015 |
Patent application number | Description | Published |
20110298463 | BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE - Provided are a battery state monitoring circuit and a battery device, in which, even when one secondary battery becomes an overcharged state or an overdischarged state and then a voltage detection circuit operates, power is not consumed in only the one secondary battery. The battery state monitoring circuit includes: a plurality of voltage detection circuits which are provided for a plurality of secondary batteries, respectively, for detecting voltages of the plurality of secondary batteries; and a current bypass circuit provided in each of the plurality of voltage detection circuits, for allowing an operation current of the each of the plurality of voltage detection circuits to flow into a ground terminal. Therefore, when only one secondary battery becomes an overcharged state or an overdischarged state, the battery device operates so that the power of all the secondary batteries is consumed to prevent voltages between the secondary batteries from being unbalanced. | 12-08-2011 |
20120139493 | CELL BALANCE DEVICE AND BATTERY SYSTEM - Provided are a cell balance device with high cell balance performance and high cell balance speed and requiring no high voltage process, and a battery system including the cell balance devices. The cell balance device includes: three terminals to be connected to secondary batteries; one terminal to be connected to a voltage hold device; three switches provided between the three terminals and the one terminal; and a receiving terminal and a transmitting terminal for a synchronization signal. Alternatively, the cell balance device includes: four terminals to be connected to secondary batteries; two terminals to be connected to a voltage hold device; six switches provided between the four terminals and the two terminals; and a receiving terminal and a transmitting terminal for a synchronization signal. The battery system includes: a plurality of secondary batteries; a plurality of voltage hold devices; a plurality of cell balance devices; and a clock generation circuit. | 06-07-2012 |
20130049691 | CELL BALANCE DEVICE AND BATTERY SYSTEM - Provided are a cell balance device for protecting a switch circuit from an overcurrent flow. The cell balance device includes: a plurality of electric accumulator connection terminals each connected to one of a node and two terminals of electric accumulators connected in series; a voltage hold device connection terminal connected to a voltage hold device; a plurality of first switch circuits provided between the plurality of electric accumulator connection terminals and the voltage hold device; a control circuit for controlling ON/OFF of the plurality of first switch circuits based on a synchronization signal; and an overcurrent detection circuit for detecting an overcurrent flowing through each of the plurality of first switch circuits. | 02-28-2013 |
20140232345 | SWITCH CIRCUIT, SEMICONDUCTOR DEVICE, AND BATTERY DEVICE - There is provided a semiconductor device capable of preventing the passage of current that is unexpected in a circuit operation even in the case of reverse connection, thus ensuring higher safety. The semiconductor device has a switch circuit which includes: a first transistor; a second transistor having a drain thereof connected to a drain of the first transistor, a source and a back gate thereof connected to a back gate of the first transistor, and a gate thereof connected to a source of the first transistor; and a third transistor having a drain thereof connected to the source of the first transistor, a source and a back gate thereof connected to the back gate of the first transistor, and a gate thereof connected to the drain of the first transistor. | 08-21-2014 |
20140361746 | CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE - The present invention provides a charge/discharge control circuit and a battery device capable of detecting an intermediate terminal disconnection without causing the balance between battery voltages to collapse and shortening the service life of the battery device. A charge/discharge control circuit which controls charging/discharging of a plurality of secondary batteries connected in series is equipped with intermediate terminal disconnection detecting circuits each of which is provided between a positive electrode terminal and a negative electrode terminal of each secondary battery and detects an intermediate terminal disconnection of each intermediate terminal by intermittently equal detection currents. | 12-11-2014 |
20150280551 | BOOSTER APPARATUS - To provide a booster apparatus capable of being configured without using a plurality of voltage generators and with a simple circuit. A booster apparatus is equipped with a voltage generator, a plurality of boosting capacitors connected in series with the voltage generator, intermediary capacitors, and switch circuits configured to perform switching control of connections between the voltage generator, the plurality of boosting capacitors and the intermediary capacitors. | 10-01-2015 |