Patent application number | Description | Published |
20110248749 | SEMICONDUCTOR DEVICE - Disclosed is a semiconductor device having an output driver and a driver replica. The output driver is based on a scalable low-voltage signaling technology and capable of operating on low power and making automatic adjustments of output characteristics in accordance with the magnitude of a reference current. The driver replica, which is a duplicate of the output driver, adjusts the magnitude of the reference current in accordance with the difference between its own output and a reference voltage and outputs the adjusted current to the output driver. | 10-13-2011 |
20120112039 | IMAGE SENSOR - An image sensor with a small circuit area is provided. In the image sensor, a TX decoder which generates transfer signals TX<3:0> includes a latch circuit. The latch circuit is set when a corresponding row group is selected and when a set signal is set to an “H” level, and is reset when a reset signal is set to an “L” level. The latch circuit serves also as a voltage level shift circuit which converts the “H” level of a signal from a first power supply voltage into a second power supply voltage. Therefore, plural row groups can be selected by setting plural latch circuits. It is not necessary to provide a voltage level shift circuit separately. | 05-10-2012 |
20140362273 | SOLID-STATE IMAGING APPARATUS AND SEMICONDUCTOR DEVICE - The present invention provides a small-sized inexpensive solid-state imaging apparatus. A D/A converter included in a successive comparison type A/D converter of the solid-state imaging apparatus includes a multiplexer which selects any of reference voltages VR | 12-11-2014 |
20150124138 | SOLID-STATE IMAGE SENSING DEVICE - Provided is a solid-state image sensing device that performs an A/D conversion operation at high speed. A sample-and-hold section | 05-07-2015 |
20150236712 | SOLID-STATE IMAGING APPARATUS AND SEMICONDUCTOR DEVICE - The present invention provides a small-sized inexpensive solid-state imaging apparatus. A D/A converter included in a successive comparison type A/D converter of the solid-state imaging apparatus includes a multiplexer which selects any of reference voltages VR | 08-20-2015 |
20150304578 | SOLID-STATE IMAGE SENSING DEVICE AND ELECTRONIC DEVICE - The present invention provides a technique for achieving higher picture quality of a captured image by reducing noise which occurs at the time of resetting in a solid-state image sensing device and the like. A pixel array in a solid-state image sensing device includes a plurality of pixels and includes an OB pixel region and an effective pixel region. The solid-state image sensing device has a signal processing unit outputting a pixel signal of each of the pixels in the effective pixel region on the basis of the signal level of a signal output from each of the pixels. The solid-state image sensing device obtains a signal without applying a reset signal to each of the pixels in the OB pixel region, obtains the difference between the signal and a signal of a pixel in the effective pixel region, and outputs an image signal. | 10-22-2015 |
20150312506 | SEMICONDUCTOR DEVICE - The present invention makes it possible to read a pixel signal at high speed. A pixel array includes a plurality of pixels that store an electrical charge. The amount of stored electrical charge is based on the amount of received light. A first pixel current source and a second pixel current source are coupled in parallel between a ground voltage and a pixel output node on a pixel signal read line. A switch is disposed in a wiring path that couples the pixel output node, the second pixel current source, and the ground voltage. | 10-29-2015 |
Patent application number | Description | Published |
20100093411 | Portable Wireless Device - The present invention has an object of attaining further miniaturization and reducing the thickness of a portable wireless device with a built-in antenna. The cellular telephone device | 04-15-2010 |
20100103055 | Portable Electronic Device and Magentic Antenna Circuit - A portable electronic device and a magnetic field antenna circuit are provided for making it possible to keep an antenna resonance frequency in a fixed range even if temperature changes. A mobile telephone device ( | 04-29-2010 |
20100130140 | PORTABLE WIRELESS DEVICE - A mobile wireless device enables effective use of space in a case while reducing degradation of ah antenna gain and maintaining communication quality even if a plurality of antennas having different frequency bands are arranged close to one another. A magnetic antenna has a first switch unit, a second switch unit, and a concentrated constant circuit which are added to a wiring pattern at the side near to a main antenna, so that a first path and a second path can be selected. Under a predetermined condition, a CPU controls the first switch and the second switch to electrically connect a terminal (A | 05-27-2010 |
20100130273 | PORTABLE WIRELESS DEVICE - Provided is a portable wireless device having a plurality of antennas of different frequency bands. By positively using one antenna for improving gains of other antennas, the one antenna can be effectively used and the gains of other antennas can be improved. Patterns (A | 05-27-2010 |
20110230146 | COMMUNICATION DEVICE - Provided is a communication device capable of extending a power supply unit to a second casing without the need for additional components. A mobile telephone ( | 09-22-2011 |
20120040726 | PORTABLE TERMINAL - Provided is a portable terminal which is provided with a first case, a second case, and a connecting section which connects together the first case and the second case, and has less deterioration of antenna sensitivity. The portable terminal has the first case ( | 02-16-2012 |
Patent application number | Description | Published |
20080225070 | Image forming apparatus - In an image forming apparatus, a control unit determines that dirt is present on the linear scale when a detecting unit detects a change in a moving direction of a moving member while the moving member is moving at a constant speed. | 09-18-2008 |
20110058207 | IMAGE FORMING APPARATUS DETERMINING A PRINT RESTART TIME AFTER MAINTENANCE - In an image forming apparatus, a setting part sets a first waiting time, which lasts from a completion of an ejecting operation of one sheet of recording paper to a start of supply of a subsequent sheet in a one-side printing or a second waiting time, or a second waiting time, which lasts from a completion of ejecting operation of one sheet of recording paper to a start of resupply of the one sheet of recording paper in both-side printing. A determining part detects a difference in time length between the first or second waiting time, a maintenance time required by a head maintenance operation and a cap timer time, which is a time during which a nozzle of the recording head is allowed to be maintained in an uncapped state, and determines a time of restarting a printing operation after execution of the maintenance operation based on the detected difference. | 03-10-2011 |
20110227979 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND COMPUTER READABLE STORAGE MEDIUM - An image forming apparatus includes: a detection unit that detects the position of the leading edge of a medium in a sub-scanning direction, the detection unit being moved in a main-scanning direction at a speed identical to the speed of a carriage that moves in the main-scanning direction and discharges ink; a position acquisition unit that acquires the end position of the detection unit in the main-scanning direction when image formation on a first medium is completed; and a control unit that controls a leading edge detection position of the detection unit in the main-scanning direction according to a detection unit moving amount and a medium moving amount when the detection unit detects the leading edge of a second medium on which an image is formed after the image formation on the first medium. | 09-22-2011 |
Patent application number | Description | Published |
20080217650 | Semiconductor circuit including electrostatic discharge circuit having protection element and trigger transistor - A semiconductor circuit includes, a first pad for a first power source, a second pad for a second power source, a third pad for an input/output signal, a protection element arranged between the third pad and the second pad; and a transistor functioning as a trigger element for use in flowing a trigger current to the protection element. The transistor includes a gate and a backgate being connected to the first pad and is connected to the protection element such that a source potential of the transistor becomes lower than a potential of the third pad, based on a voltage drop caused by the protection element, when potentials of the first pad and the third pad are kept at a power supply voltage level. | 09-11-2008 |
20090323236 | Semiconductor device - In order to solve a problem in a conventional semiconductor device that improvement of resistance to electrostatic discharge damage or improvement of an area efficiency is severely restricted, there is provided a semiconductor device including: a first protection diode (DP) having an anode which is connected to a signal wire connected to an I/O pad (PAD), and having a cathode which is connected to a power supply wire (VDD); a power clamp circuit ( | 12-31-2009 |
20100302694 | Electrostatic discharge protection circuit - It is desired to achieve a high ESD protection performance by a small area circuit. An electrostatic discharge protection circuit includes: protection circuits, wherein each protection circuit includes a MOS transistor; and a trigger circuit configured to supply a trigger signal to a gate electrode of the MOS transistor of each protection circuit in response to a surge voltage between a low potential node and a high potential node. Each protection circuit is configured to electrically connect the low potential node and the high potential node to one another when the trigger signal is supplied to the gate electrode. The gate electrode of each protection circuit is connected to a resistive element having larger resistance value than Rmax, supposing that Rmax is a largest parasitic resistance between each of the plurality of protection circuit and an output of the trigger circuit. | 12-02-2010 |
20100309593 | SEMICONDUCTOR DEVICE AND ELECTROSTATIC DISCHARGE PROTECTION METHOD FOR THE SEMICONDUCTOR DEVICE - For enhancing performance of the electrostatic discharge protection for a semiconductor IC (integrated circuit), the electrostatic discharge protection circuit includes: a power source system for supplying a current to a semiconductor IC in the semiconductor device through a power source potential line and a reference potential line; a primary protection circuit for releasing a surge current to the power source system through a first node connected to a signal terminal when the surge current is generated at the signal terminal; a trigger circuit for generating a trigger signal in response to a surge voltage generated at the power source system; and a secondary protection circuit. The secondary protection circuit releases the surge current to the power source system through a second node connected between the first node and the semiconductor IC in response to the trigger signal, so that the surge voltage can be rapidly suppressed near the semiconductor IC. | 12-09-2010 |
20110079818 | Semiconductor circuit including electrostatic discharge circuit having protection element and trigger transistor - A semiconductor circuit includes a first pad for a first power source, a second pad for a second power source, a third pad for an input/output signal, a protection element arranged between the first pad and the third pad, and a transistor functioning as a trigger element for use in passing a trigger current through the protection element. The transistor includes source connected to the third pad, a gate and a backgate commonly connected to the second pad. | 04-07-2011 |
20130228824 | SEMICONDUCTOR ELECTROSTATIC PROTECTION CIRCUIT DEVICE - An electrostatic protection circuit in a semiconductor device includes a first first-conductivity type well extending in a first direction over a semiconductor substrate, a second first-conductivity type well extending in a second direction over the semiconductor substrate and perpendicular to the first direction with one end coupled to a first long side of the first first-conductivity type well, and a second-conductivity type well formed around the first first-conductivity type well and the second first-conductivity type well. It also includes a first high-concentration second-conductivity type region extending in the second direction on a surface of the second first-conductivity type well and a first high-concentration first-conductivity type region extending in the second direction on a surface of the second-conductivity type well while facing the first high-concentration second-conductivity type region. | 09-05-2013 |
20140327042 | SEMICONDUCTOR ELECTROSTATIC PROTECTION CIRCUIT DEVICE - An electrostatic protection circuit in a semiconductor device includes a first first-conductivity type well extending in a first direction over a semiconductor substrate, a second first-conductivity type well extending in a second direction over the semiconductor substrate and perpendicular to the first direction with one end coupled to a first long side of the first first-conductivity type well, and a second-conductivity type well formed around the first first-conductivity type well and the second first-conductivity type well. It also includes a first high-concentration second-conductivity type region extending in the second direction on a surface of the second first-conductivity type well and a first high-concentration first-conductivity type region extending in the second direction on a surface of the second-conductivity type well while facing the first high-concentration second-conductivity type region. | 11-06-2014 |
Patent application number | Description | Published |
20090009155 | Discrete Time Direct Sampling Circuit and Receiver - A direct sampling circuit and a receiver which carry out discrete time analog processing with a high degree of design freedom and are provided with a filter property which is achievable to comply with the receipt of a broad band signal. A plurality of discrete time analog processing circuits ( | 01-08-2009 |
20130222164 | DISCRETE TIME ANALOG CIRCUIT AND RECEIVER USING SAME - The discrete time analog circuit ( | 08-29-2013 |
20140091848 | DIRECT SAMPLING CIRCUIT AND RECEIVER - A sampling circuit is provided that includes a first sampling circuit that shifts a frequency, at which a gain of a frequency characteristic is maximized, to a lower frequency side, and a second sampling circuit that shifts the frequency, at which the gain of the frequency characteristic is maximized, to a higher frequency side. The sampling circuit also includes an output section provided in an output side of the first sampling circuit and an output side of the second sampling circuit, and outputs a sum or a difference between an output from the first sampling circuit and an output from the second sampling circuit. | 04-03-2014 |
20140362957 | SAMPLING MIXER CIRCUIT AND RECEIVER - The sampling mixer circuit comprises: a clock generating circuit that outputs four-phase control signals the periods of which are in accordance with the carrier frequency of an input signal and the phases of which are different from one another; a voltage-to-current converting circuit that converts a voltage signal based on the input signal to a current signal; four-system charge sharing circuits in which the current signal as converted is input to a plurality of capacitors in accordance with the different phases based on the four-phase control signals and in which charges are exchanged among the plurality of capacitors; and a phase-to-phase capacitor that is selectively connected, on the basis of the four-phase control signals, to the respective ones of nodes, which are other than the input nodes of the current signal, in the four-system charge sharing circuits. | 12-11-2014 |
20150249437 | VARIABLE GAIN MULTISTAGE AMPLIFIER AND RECEIVER - There is provided a variable gain multistage amplifier including: an input terminal to which the input signal is input; multistage amplifiers amplify the input signal, the multistage amplifiers being connected in series; and an output terminal that outputs the amplified signal, and
| 09-03-2015 |