Patent application number | Description | Published |
20080205908 | TERMINAL APPARATUS, A CONSUMABLES RESIDUAL QUANTITY DISPLAY PROGRAM, AND A RECORDING MEDIUM - A terminal apparatus, a consumables residual quantity display program, and a recording medium are disclosed. The terminal apparatus, which is connected to a printing apparatus through a network, includes an acquisition unit for acquiring information about consumables of the printing apparatus from the printing apparatus; and a display controller for displaying the information about the consumables, which information is acquired by the acquisition unit, if the information of at least one item of the consumables fulfills a predetermined condition. The display controller may display a no-display specifying screen that prompts a user to specify whether a “no-display” mode should be activated, in which “no-display” mode, displaying the information about the consumables is stopped even if the predetermined condition is fulfilled when the information is to be acquired by the acquisition unit at a next time. | 08-28-2008 |
20080225330 | PRINTING APPARATUS AND PRINTING METHOD - A printer includes a data obtaining unit, a storage unit, an engine, and a printing unit. The data obtaining unit obtains, from print data stored in the storage unit, print data for sheets less than the maximum number of sheets dischargeable to a discharge tray as target print data and sends the target print data to the engine via the printing unit. The target print data includes first print data of odd pages and second print data of even pages. After printing the first print data on one side of sheets fed from a feed tray and discharges the sheets onto the discharge tray, the engine prints the second print data on the other side of the sheets manually returned from the discharge tray to the feed tray. | 09-18-2008 |
20090297238 | BRUSH ROLLER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An image forming apparatus includes an image carrier on which a toner image is formed; a cleaning unit that removes residual toner remaining on the image carrier after transferring the toner image onto a medium; and a lubricant applying unit that includes a lubricant and a brush roller that scrapes the lubricant and applies scraped lubricant to the image carrier and that is arranged upstream of the cleaning unit in a rotation direction of the image carrier. The brush roller includes a bristle of which cross section is shaped such that a point from which a plurality of projections extends is positioned outside a center of the cross section of the bristle. | 12-03-2009 |
20110206432 | Image forming apparatus - An image forming apparatus includes a plurality of image forming units that are arranged in parallel so as to be opposed to an intermediate transfer belt or a transfer carriage belt. A black image forming unit that forms a black toner image is arranged at a downstream end or upstream end in the running direction of the intermediate transfer belt or the transfer carriage belt with respect to the other image forming units. The black image forming unit is configured so that its lubricant supplying unit contains a larger amount of lubricant. | 08-25-2011 |
20110229195 | Lubricant supply device, and process cartridge and image forming apparatus including the same - A pressing mechanism that presses a solid lubricant against a brush roller includes two movable members that receive the biasing force of a single biasing unit, rotate around a fulcrum, and press places of the solid lubricant at the symmetric positions with respect to the center of a contact portion of the solid lubricant. The curvature of a portion of a curve shape of the movable member that contacts a casing inner wall is set such that the pressing force in a pressing direction of the solid lubricant in the last stage becomes greater than the pressing force in an intermediate stage, from the initial stage to the last stage after the solid lubricant of the predetermined amount or more is scraped off via the intermediate stage. | 09-22-2011 |
20120237251 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, an intermediate transfer member disposed facing the image bearing member, onto which the toner image is transferred, a primary transfer device disposed opposite the image bearing member with the intermediate transfer member interposed therebetween to transfer the toner image from the image bearing member onto the intermediate transfer member, a cleaning device detachably attachable relative to the intermediate transfer member and including a cleaning member to contact the surface of the intermediate transfer member to remove residual toner remaining on the intermediate transfer member after transfer of the toner image, and a lubricant application device detachably attachable relative to the intermediate transfer device to apply a lubricant on the surface of the intermediate transfer member. The cleaning device and the lubricant application device are detachably attachable independent of each other. | 09-20-2012 |
Patent application number | Description | Published |
20110215399 | P-CHANNEL POWER MOSFET - In characteristic test measurements of double-gate-in-trench p-channel power MOSFETs each having a p | 09-08-2011 |
20110266617 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - Provided is a technology, in a semiconductor device having a power MISFET and a Schottky barrier diode on one semiconductor substrate, capable of suppressing a drastic increase in the on-resistance of the power MISFET while making the avalanche breakdown voltage of the Schottky barrier diode greater than that of the power MISFET. In the present invention, two epitaxial layers, one having a high doping concentration and the other having a low doping concentration, are formed over a semiconductor substrate and the boundary between these two epitaxial layers is located in a region equal in depth to or shallower than the bottom portion of a trench. | 11-03-2011 |
20120292662 | IE-TYPE TRENCH GATE IGBT - The invention of the present application provides an IE-type trench IGBT. In the IE-type trench IGBT, each of linear unit cell areas that configure a cell area is comprised principally of linear active and inactive cell areas. The linear active cell area is divided into an active section having an emitter region and an inactive section as seen in its longitudinal direction. | 11-22-2012 |
20120313139 | IGBT AND DIODE - In an IGBT, defects generated by ion implantation for introduction of the P-type collector region or N-type buffer region into the N | 12-13-2012 |
20130328105 | NARROW ACTIVE CELL IE TYPE TRENCH GATE IGBT AND A METHOD FOR MANUFACTURING A NARROW ACTIVE CELL IE TYPE TRENCH GATE IGBT - In an equal width active cell IE type IGBT, a wide active cell IE type IGBT, and the like, an active cell region is equal in trench width to an inactive cell region, or the trench width of the inactive cell region is narrower. Accordingly, it is relatively easy to ensure the breakdown voltage. However, with such a structure, an attempt to enhance the IE effect entails problems such as further complication of the structure. The present invention provides a narrow active cell IE type IGBT having an active cell two-dimensional thinned-out structure, and not having a substrate trench for contact. | 12-12-2013 |
20150255572 | IGBT AND DIODE - In an IGBT, defects generated by ion implantation for introduction of the P-type collector region or N-type buffer region into the N | 09-10-2015 |
Patent application number | Description | Published |
20090093279 | PORTABLE TERMINAL DEVICE - A noncontact IC communicates information to a read write unit that is an external terminal device. A high frequency modulating/demodulating section demodulates data that has been modulated by the read write unit using a load modulating method or the like. A loop antenna receives the data from the read write unit. A battery supplies power to the noncontact IC and the control section. The control section controls a portable phone function, and varies the battery voltage threshold value for issuing a low voltage alarm or the battery voltage threshold value for stopping power supply to the portable phone function, in a usage pattern where communication by the noncontact IC is performed twice or more. | 04-09-2009 |
20090126839 | EXTERIOR PANEL FOR RECEIVING AROMATIC SUBSTANCE, AND MOBILE TERMINAL USING EXTERIOR PANEL FOR RECEIVING AROMATIC SUBSTANCE - A folding type portable telephone in which a first housing and a second housing are fixed by a hinge includes a face panel fixed to the first housing and aromatic substances are accommodated inside the face panel. When the hinge is rotated, the aromatic substances are released in conjunction with the operation of opening the folding type portable telephone from the closed state. Furthermore, a sounding body is operated at a frequency of strongly generating an air vibration at a time defined in advance by timer control, so that fragrance of the aromatic substances is released outward by the air vibration of the sounding body. The fragrance corresponding to TPO can be generated from the face panel of the portable telephone. | 05-21-2009 |
20090309751 | ELECTRONIC DEVICE CONTROLLING SYSTEM AND CONTROL SIGNAL TRANSMITTING DEVICE - An electronic device is provided which executes a function useful in that place without a user in possession of the electronic device being intentional, and which does not receive a signal without providing a special setting if the function is not useful even if the place and the device are the same. There are an electronic device A and an electronic device each having a human body communication function. In a case where a user is holding the electronic device A, the electronic device B outputs a control signal for causing the electronic device A to execute a function aimed to eliminate a danger or an annoyance to the surroundings occurring because of holding it, whereas, due to the fact that the user has the electronic device, the electronic device A receives the control signal irrespective of the user's intention and executes a function based on the control signal. | 12-17-2009 |
Patent application number | Description | Published |
20100296585 | DECODE PROCESSING APPARATUS, DECODE PROCESSING METHOD, DATA DISTRIBUTION PROGRAM, AND DECODE PROCESSING PROGRAM - Disclosed herein is a decode processing apparatus including, a plurality of decode processing section configured to decode moving picture data in units of a predetermined processing block, a distribution section configured such that when supplied with encoded moving picture data, the distribution section splits each of screens formed by the moving picture data into vertical bands in units of the processing block as the smallest unit in keeping with the number of the plurality of decode processing section, the distribution section further distributing the moving picture data belonging to each of the split vertical bands to a different one of the decode processing section, and a formation section configured to form the picture data of one screen when supplied with the decoded moving picture data from the plurality of decode processing section. | 11-25-2010 |
20110267488 | Image processing apparatus, image processing method, imaging apparatus, and program - An image processing apparatus includes: a global motion estimation apparatus that performs global Motion Estimation on current and reference images and then outputs a Motion Vector, wherein the global motion estimation apparatus includes a motion estimation processing unit that has a function of executing an LK method two or more times across a whole screen to perform the global motion estimation between the current and reference images; and the motion estimation processing unit obtains a set of motion vectors based on at least information about pixel value variations and information in which a calculation result of an arbitrary calculation expression is added across a whole screen in first motion estimation, and determines whether to perform addition on each pixel according to a set condition when obtaining the at least information, and obtains and outputs a new set of motion vectors as a result of a second LK method when the condition is satisfied in second motion estimation. | 11-03-2011 |
20140185882 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE DEVICE, ELECTRONIC EQUIPMENT, AND PROGRAM - This technique relate to an image processing device, an image processing method, an imaging device, an electronic equipment, and a program which can provide a technique to execute a highly accurate global motion search process which is robust to a local moving subject, an illumination intensity change, and the like. | 07-03-2014 |
Patent application number | Description | Published |
20130140709 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - To provide a technique adopting a TSV technique, capable of improving manufacturing yield and reliability of semiconductor devices. By partitioning a connection pad-forming region into a plurality of regions and by forming, respectively, connection pads | 06-06-2013 |
20140138848 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor device with a through via penetrating a semiconductor substrate, in which shorting between a wiring and a semiconductor element is prevented to improve the reliability of the semiconductor device. A liner insulating film as a low-k film, which has a function to insulate the semiconductor substrate and a through-silicon via from each other and is thick enough to reduce capacitance between the semiconductor substrate and the through-silicon via, is used as an interlayer insulating film for a first wiring layer over a contact layer. This prevents a decrease in the thickness of an interlayer insulating film in the contact layer. | 05-22-2014 |
20150311116 | METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - To provide a technique adopting a TSV technique, capable of improving manufacturing yield and reliability of semiconductor devices. By partitioning a connection pad-forming region into a plurality of regions and by forming, respectively, connection pads | 10-29-2015 |
Patent application number | Description | Published |
20110053405 | CONNECTOR - A connector comprises a housing, a lever and a lock portion. The lever, attached to the housing, is configured to be rotatable between a first position, where the connector is initially fit to another is established, and a second position, where the fitting is completed. The lock portion is capable of locking the lever at the second position, is slidably attached to a body portion of the lever, and is configured to be slid between a lock position (where the lever is locked) and a lock release position (released). The lever is provided with a positioning latch-portion, which is configured to latch the lock portion at the lock position and the lock release position and is provided with a concaved latch-portion and a convexed latch-portion that is configured to be elastically displaced to be engaged in or disengaged from the concaved latch-portion. | 03-03-2011 |
20110065300 | FLOATING CONNECTOR - A floating connector | 03-17-2011 |
20110136387 | CARD EDGE CONNECTOR - A connector comprises a housing, a lever and a lock portion. The housing receives terminals. The lever is rotatably attached to the housing, and is configured to be rotatable between a first position, where an initial stage of fitting of the connector to a counterpart connector is established, and a second position, where the fitting thereof to the counterpart connector is completed. The lock portion is capable of locking the lever at the second position. The lock portion is slidably attached to a body portion of the lever, and is configured to be slid between a lock position where the lever is locked and a lock release position where the lever is released. The lever is provided with a positioning latch-portion that is configured to latch the lock portion at the lock position and the lock release position. The positioning latch-portion is provided with a concaved latch-portion and a convexed latch-portion that is configured to be elastically displaced to be engaged in or disengaged from the concaved latch-portion. | 06-09-2011 |
20120115354 | Relay Connector - Provided is a relay connector | 05-10-2012 |
Patent application number | Description | Published |
20110227169 | SEMICONDUCTOR DEVICE - The present invention enhances voltage conversion efficiency of a semiconductor device. In a non-isolated DC-DC converter that includes a high-side switch power MOSFET and a low-side switch power MOSFET, which are series-connected, the high-side switch power MOSFET and driver circuits for driving the high-side and low-side switch power MOSFETs are formed within one semiconductor chip, whereas the low-side switch power MOSFET is formed in another semiconductor chip. The two semiconductor chips are sealed in a single package. | 09-22-2011 |
20120146211 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - In a non-insulated DC-DC converter having a circuit in which a power MOS•FET high-side switch and a power MOS•FET low-side switch are connected in series, the power MOS•FET low-side switch and a Schottky barrier diode to be connected in parallel with the power MOS•FET low-side switch are formed within one semiconductor chip. The formation region SDR of the Schottky barrier diode is disposed in the center in the shorter direction of the semiconductor chip, and on both sides thereof, the formation regions of the power MOS•FET low-side switch are disposed. From the gate finger in the vicinity of both long sides on the main surface of the semiconductor chip toward the formation region SDR of the Schottky barrier diode, a plurality of gate fingers are disposed so as to interpose the formation region SDR between them. | 06-14-2012 |
20120273892 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - The electrical characteristics of a semiconductor device are enhanced. In the package of the semiconductor device, there are encapsulated first and second semiconductor chips with a power MOS-FET formed therein and a third semiconductor chip with a control circuit for controlling their operation formed therein. The bonding pads for source electrode of the first semiconductor chip on the high side are electrically connected to a die pad through a metal plate. The bonding pad for source electrode of the second semiconductor chip on the low side is electrically connected to lead wiring through a metal plate. The metal plate includes a first portion in contact with the bonding pad of the second semiconductor chip, a second portion extended from a short side of the first portion to the lead wiring, and a third portion extended from a long side of the first portion to the lead wiring. | 11-01-2012 |
20120306020 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - In a non-insulated DC-DC converter having a circuit in which a power MOS•FET high-side switch and a power MOS•FET low-side switch are connected in series, the power MOS•FET low-side switch and a Schottky barrier diode to be connected in parallel with the power MOS•FET low-side switch are formed within one semiconductor chip. The formation region SDR of the Schottky barrier diode is disposed in the center in the shorter direction of the semiconductor chip, and on both sides thereof, the formation regions of the power MOS•FET low-side switch are disposed. From the gate finger in the vicinity of both long sides on the main surface of the semiconductor chip toward the formation region SDR of the Schottky barrier diode, a plurality of gate fingers are disposed so as to interpose the formation region SDR between them. | 12-06-2012 |
Patent application number | Description | Published |
20110090103 | ANALOG-TO-DIGITAL CONVERTER - A sequential comparison-type analog-to-digital converter (ADC) that has improved precision and which is capable of high-speed operation is disclosed, the analog-to-digital converter comprising a digital-to-analog converter that outputs a plurality of different reference analog signals according to a multibit digital signal, a plurality of comparators that compare an input analog signal with the plurality of reference analog signals, and a sequential comparison control circuit that changes bit values of the multibit digital signal in order from higher bits so that at least one of the plurality of reference analog signals becomes closer to the input analog signal and decides the bit values in order from higher bits based on the comparison results and at the same time, correcting the decided higher bit values, wherein the sequential comparison control circuit decides the bit values of the multibit digital signal down to a predetermined bit based on the comparison results of the plurality of comparators and at the same time, correcting the bit values, and decides the bits lower than the predetermined bit based on the comparison result of one of the plurality of comparators. | 04-21-2011 |
20120038498 | SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF OPERATING THE SAME - To improve resolution of a built-in A/D converter by reducing the area occupied by a chip of the built-in A/D converter in a semiconductor integrated circuit that is mounted in an on-vehicle millimeter wave radar device and which incorporates an A/D converter and an MPU. In the semiconductor integrated circuit, a plurality of reception signals of the radar device is A/D-converted by a single digital correction type A/D converter. The digital correction type A/D converter of the single A/D converter is a foreground digital correction type A/D converter that sequentially A/D-converts the reception signals output from a multiplexer of a receiving interface. The single A/D converter includes a pipeline type A/D converter having a plurality of cascade-coupled converters. The semiconductor integrated circuit comprises a correction signal generating unit, a digital correction D/A converter, and a digital correction unit for digital correction. | 02-16-2012 |
20120119808 | SEMICONDUCTOR INTEGRATED CIRCUIT AND OPERATING METHOD THEROF - An integrated circuit is equipped with a reception mixer and a signal generator. A multistage delay circuit generates a plurality of clock pulses in response to a reception carrier signal. A phase detection unit detects differences between a voltage level of a specific clock pulse and voltage levels of a predetermined number of clock pulses generated prior to the specific clock pulse to thereby detect a predetermined phase of the specific clock pulse. A selector of a clock generation unit outputs a plurality of selection clock pulse signals respectively having a plurality of phases from the clock pulse signals. A first signal synthetic logic circuit performs logical operations on the selection clock pulses to thereby generate local signals supplied to the reception mixer. | 05-17-2012 |
20140022103 | SEMICONDUCTOR DEVICE HAVING ANALOG-TO-DIGITAL CONVERTER WITH GAIN-DEPENDENT DITHERING AND COMMUNICATION APPARATUS - A semiconductor communication device reduces influence of noise that is produced by applying a dither signal. The semiconductor communication device includes a Delta-Sigma analog-to-digital converter that converts input analog signals to digital signals, a power detecting unit that detects signal power of the digital signals, a gain control unit that changes a gain setting of analog signals to be input to the Delta-Sigma analog-to-digital converter depending on the signal power of the digital signals, and a dither signal control unit that causes the Delta-Sigma analog-to-digital converter to selectively add the dither signal when the gain setting changes. | 01-23-2014 |
20140203958 | PASSIVE AMPLIFICATION CIRCUIT AND ANALOG-DIGITAL CONVERTOR - A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation. The passive amplification is attained by providing a plurality of capacitances which carry out a sampling operation, and switching these connection relation by using switches. Without being accompanied by the increase of the consumed power and the chip size, an influence by the noise of s comparator is reduced to a half so that the effective resolution can be increased for one bit. | 07-24-2014 |
20140253352 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A digital-correction-type A/D converter which is a charge sharing type and performing successive approximation is realized in a small area. The A/D converter is configured with an A/D conversion unit which is a charge sharing type and performing successive approximation, a digital correction unit which receives a digital output of the A/D conversion unit and performs digital correction to the digital output, and a holding unit which holds a test signal. A test signal of a common value from the holding unit is inputted into the A/D conversion unit in the first period and the second period. The A/D conversion correction coefficient for the digital correction unit is calculated on the basis of the digital correction result of the digital correction unit in the first period, and the digital correction result of the digital correction unit in the second period. | 09-11-2014 |
20140333459 | ELECTRONIC SYSTEM AND OPERATING METHOD THEREOF - To compensate for non-linearity of an AD conversion unit and non-linearity of a DA conversion unit in an electronic system including the DA conversion unit and the AD conversion unit, an electronic system includes an A/D conversion unit, a D/A conversion unit, an AD conversion compensation unit, a DA conversion compensation unit, and a calibration unit. During a calibration operation period, the calibration unit sets an operating characteristic of the AD conversion compensation unit and an operating characteristic of the DA conversion compensation unit. The operating characteristic of the AD conversion compensation unit set during the calibration operation period compensates for non-linearity of AD conversion of the A/D conversion unit. The operating characteristic of the DA conversion compensation unit set during the calibration operation period compensates for non-linearity of DA conversion of the D/A conversion unit. | 11-13-2014 |
20140333461 | Semiconductor Device Having Analog-To-Digital Converter With Gain-Dependent Dithering And Communication Apparatus - A semiconductor communication device reduces influence of noise that is produced by applying a dither signal. The semiconductor communication device includes a Delta-Sigma analog-to-digital converter that converts input analog signals to digital signals, a power detecting unit that detects signal power of the digital signals, a gain control unit that changes a gain setting of analog signals to be input to the Delta-Sigma analog-to-digital converter depending on the signal power of the digital signals, and a dither signal control unit that causes the Delta-Sigma analog-to-digital converter to selectively add the dither signal when the gain setting changes. | 11-13-2014 |
20150229322 | PASSIVE AMPLIFICATION CIRCUIT AND ANALOG-DIGITAL CONVERTOR - A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation. The passive amplification is attained by providing a plurality of capacitances which carry out a sampling operation, and switching these connection relation by using switches. Without being accompanied by the increase of the consumed power and the chip size, an influence by the noise of s comparator is reduced to a half so that the effective resolution can be increased for one bit. | 08-13-2015 |
20150249459 | ELECTRONIC SYSTEM AND OPERATING METHOD THEREOF - To compensate for non-linearity of an AD conversion unit and non-linearity of a DA conversion unit in an electronic system including the DA conversion unit and the AD conversion unit, an electronic system includes an A/D conversion unit, a D/A conversion unit, an AD conversion compensation unit, a DA conversion compensation unit, and a calibration unit. During a calibration operation period, the calibration unit sets an operating characteristic of the AD conversion compensation unit and an operating characteristic of the DA conversion compensation unit. The operating characteristic of the AD conversion compensation unit set during the calibration operation period compensates for non-linearity of AD conversion of the A/D conversion unit. The operating characteristic of the DA conversion compensation unit set during the calibration operation period compensates for non-linearity of DA conversion of the D/A conversion unit. | 09-03-2015 |
20150256193 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A digital-correction-type A/D converter which is a charge sharing type and performing successive approximation is realized in a small area. The A/D converter is configured with an A/D conversion unit which is a charge sharing type and performing successive approximation, a digital correction unit which receives a digital output of the A/D conversion unit and performs digital correction to the digital output, and a holding unit which holds a test signal. A test signal of a common value from the holding unit is inputted into the A/D conversion unit in the first period and the second period. The A/D conversion correction coefficient for the digital correction unit is calculated on the basis of the digital correction result of the digital correction unit in the first period, and the digital correction result of the digital correction unit in the second period. | 09-10-2015 |
Patent application number | Description | Published |
20120002754 | TRANSMISSION APPARATUS, RADIO COMMUNICATION APPARATUS, AND TRANSMISSION METHOD - Disclosed is a transmission apparatus, a radio communication apparatus, and a transmission method for making it possible to obtain stable characteristics by controlling the difference of time between an amplitude signal and a phase signal to an optimal point, without depending on a modulated signal nor making the circuit size larger. A multiplier ( | 01-05-2012 |
20120020390 | ANGLE MODULATOR, TRANSMISSION DEVICE, AND WIRELESS COMMUNICATION DEVICE - Disclosed are an angle modulator, a transmission apparatus, and a radio communication apparatus that can compensate phase discontinuity when an operational mode of a voltage controlled oscillator is switched. Angle modulator ( | 01-26-2012 |
20120243582 | TRANSMITTER AND COMMUNICATION DEVICE - Provided is a transmitter that compensates for AM/PM distortion and operate with low distortion and high efficiency. A compensation section | 09-27-2012 |
20130058382 | MISMATCH SHAPING FOR DAC - The present invention provides a DAC (Digital to Analog Converter) capable of generating a transfer function having a notch for reducing an error signal level in a desired frequency band. | 03-07-2013 |
20130058435 | HIGH EFFICIENCY TRANSMITTER - A transmitter includes: a decoder for transforming an IQ signal into a linear sum of two vectors which have non-negative coefficients, respectively, which form an angle of (π/4), and which are included in eight vectors representing directions indicated by eight angles of (−π/2), 0, (π/2), π, (−3π/4), (−π/4), (π/4), and (3π/4), respectively, and for outputting information upon magnitudes and angles of the two vectors; a phase generator for generating eight phase signals corresponding to phases of (−π/2), 0, (π/2), π, (−3π/4), (−π/4), (π/4), and (3π/4), respectively, and outputting the eight phase signals; and a selector for selecting two phase signals having phases equivalent to angles of the two vectors, from among the eight phase signals, and amplifying the two phase signals having been selected, based on the information upon the magnitudes and the angles, and outputting, as a plurality of amplification signals, the two phase signals having been amplified. | 03-07-2013 |
20140155006 | TRANSMITTER, SIGNAL GENERATION DEVICE, CALIBRATION METHOD, AND SIGNAL GENERATION METHOD - It is intended to provide a transmitter capable of correcting signal distortion with high accuracy. Provided are a test signal generator; a frequency characteristics corrector for correcting an amplitude characteristic and a phase characteristic of a test signal; a modulator; an envelope detector; a frequency characteristics calculator for calculating frequency characteristics of an envelope signal; and a coefficients calculator for calculating, on the basis of the frequency characteristics, correction coefficients to be used for correcting the amplitude characteristic and the phase characteristic of the test signal. The test signal generator generates a test signal in which signal loci in each of at least two pairs of quadrants of first to fourth quadrants of the IQ plane are not symmetrical with each other. | 06-05-2014 |
Patent application number | Description | Published |
20140063168 | LIGHT-EMITTING SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, OPTICAL WRITING DEVICE, AND IMAGE FORMING APPARATUS - A light-emitting substrate including: a first and second light-emitting devices each including terminals; and a substrate including a first hole and a second hole, the first hole and the second hole respectively having at least one receiving portion, wherein the receiving portion of the first hole receives the terminal of the first light-emitting device, and the receiving portion of the second hole receives the terminal of the second light-emitting device, a first line drawn through a center of the receiving portion of the first hole and a center of the first hole, and a second line drawn through a center of the receiving portion of the second hole and a center of the second hole are not aligned in line. | 03-06-2014 |
20140198469 | ELECTRONIC CIRCUIT, LIGHT SOURCE DEVICE, AND METHOD OF MANUFACTURING ELECTRONIC CIRCUIT - An electronic circuit having an electronic component mounted on a substrate, a light source device having the electronic circuit, and a method of manufacturing the electronic circuit on which the electronic component is mounted on the substrate are described. The electronic component has a plurality of lead pins to be electrically connected to wirings on the substrate. The substrate is formed with a hole having a larger dimension than a maximum distance between at least two lead pins of the lead pins. The lead pins are inserted into the hole from sides of tips of the lead pins while being bent at a plurality of bending portions, and fixed to the substrate by a solder. | 07-17-2014 |
20150054902 | OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL SCANNING METHOD - An optical scanning device includes a light source emitting light to form an image by optical scanning; and a control section generating a control signal, which is for turning on and off the light source, based on an image signal. Further, the control section generates a pulse signal having a redetermined time width when the image signal indicates that the light source is to be turned off. | 02-26-2015 |