Patent application number | Description | Published |
20110084263 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - It is an object to provide a semiconductor device having a new productive semiconductor material and a new structure. The semiconductor device includes a first conductive layer over a substrate, a first insulating layer which covers the first conductive layer, an oxide semiconductor layer over the first insulating layer that overlaps with part of the first conductive layer and has a crystal region in a surface part, second and third conductive layers formed in contact with the oxide semiconductor layer, an insulating layer which covers the oxide semiconductor layer and the second and third conductive layers, and a fourth conductive layer over the insulating layer that overlaps with part of the oxide semiconductor layer. | 04-14-2011 |
20110095787 | PWM Limiter Circuit - The duty ratio of a PWM signal is prevented from being zero immediately after the start of PWM control, for example. A PWM limiter circuit has a structure with which a signal output from the PWM limiter circuit can be prevented from being higher than a certain value or lower than a certain value. The PWM limiter circuit includes a comparator circuit, a controller circuit, and a switch circuit. The highest duty ratio reference voltage V | 04-28-2011 |
20110095825 | Error Amplifier - One of the objects of the present invention is to suppress variations in the frequency response of a feedback circuit due to variations in the value of a passive element in an error amplifier. One of the embodiments of the present invention provides a configuration allowing the frequency response of a feedback circuit in an error amplifier to be determined by not only the value of a passive element but the gain of an active element. This error amplifier includes a voltage-to-current converter which is an active element. In addition, a first terminal, a second terminal, an operational amplifier, a first resistor, a second resistor, first to fifth transistors, a first current source, and a second current source can be built into an integrated circuit, and a capacitor can be externally provided. | 04-28-2011 |
20110133706 | DC CONVERTER CIRCUIT AND POWER SUPPLY CIRCUIT - A DC converter circuit having high reliability is provided. The DC converter circuit includes: an inductor configured to generate electromotive force in accordance with a change in flowing current; a transistor including a gate, a source, and a drain, which is configured to control generation of the electromotive force in the inductor by being on or off; a rectifier in a conducting state when the transistor is off; and a control circuit configured to control on and off of the transistor. The transistor includes an oxide semiconductor layer whose hydrogen concentration is less than or equal to 5×10 | 06-09-2011 |
20110249786 | DIVIDER CIRCUIT - A divider circuit includes a shift register which generates 2X (X is a natural number greater than or equal to 2) pulse signals in accordance with a first clock signal or a second clock signal and outputs them, and a divided signal output circuit which generates a signal to be a third clock signal with a cycle X times longer than a cycle of the first clock signal in accordance with the 2X pulse signals and outputs it. The divided signal output circuit includes X first transistors which control whether voltage of the signal to be the third clock signal is set to first voltage; and X second transistors which control whether voltage of the signal to be the third clock signal is set to second voltage. | 10-13-2011 |
20110254095 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - An object is to reduce the number of manufacturing steps of a semiconductor device, to improve yield of a semiconductor device, or to reduce manufacturing cost of a semiconductor device. One embodiment of the present invention relates to a semiconductor device and a method for manufacturing the semiconductor device. The semiconductor device includes, over a substrate, a first transistor having a single crystal semiconductor layer in a channel formation region, a second transistor that is isolated from the first transistor with an insulating layer positioned therebetween and has an oxide semiconductor layer in a channel formation region, and a diode having a single crystal semiconductor layer and a oxide semiconductor layer. | 10-20-2011 |
20110254523 | POWER SOURCE CIRCUIT - An object is to reduce degradation of circuit operation and to reduce the area of the entire circuit. A power source circuit is provided with a first terminal to which first voltage is input; a second terminal to which second voltage is input; a comparator being connected to the first terminal and the second terminal and comparing the first voltage and the second voltage; a digital circuit averaging, integrating, and digital pulse width modulating a first digital signal output from the comparator; a PWM output driver amplifying a second digital signal output from the digital circuit; and a smoothing circuit smoothing the amplified second digital signal. | 10-20-2011 |
20110259420 | PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - It is an object to reduce the region of a photoelectric conversion element which light does not reach, to suppress deterioration of power generation efficiency, and to suppress manufacturing cost of a voltage conversion element. The present invention relates to a transmissive photoelectric conversion device which includes a photoelectric conversion element including an n-type semiconductor layer, an intrinsic semiconductor layer, and a p-type semiconductor layer; a voltage conversion element which is overlapped with the photoelectric conversion element and which includes an oxide semiconductor film for a channel formation region; and a conductive element which electrically connects the photoelectric conversion element and the voltage conversion element. The photoelectric conversion element is a solar cell. The voltage conversion element includes a transistor having a channel formation region including an oxide semiconductor film. The voltage conversion element is a DC-DC converter. | 10-27-2011 |
20140162402 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - It is an object to provide a semiconductor device having a new productive semiconductor material and a new structure. The semiconductor device includes a first conductive layer over a substrate, a first insulating layer which covers the first conductive layer, an oxide semiconductor layer over the first insulating layer that overlaps with part of the first conductive layer and has a crystal region in a surface part, second and third conductive layers formed in contact with the oxide semiconductor layer, an insulating layer which covers the oxide semiconductor layer and the second and third conductive layers, and a fourth conductive layer over the insulating layer that overlaps with part of the oxide semiconductor layer. | 06-12-2014 |
20150108959 | DC CONVERTER CIRCUIT AND POWER SUPPLY CIRCUIT - A DC converter circuit having high reliability is provided. The DC converter circuit includes: an inductor configured to generate electromotive force in accordance with a change in flowing current; a transistor including a gate, a source, and a drain, which is configured to control generation of the electromotive force in the inductor by being on or off; a rectifier in a conducting state when the transistor is off; and a control circuit configured to control on and off of the transistor. The transistor includes an oxide semiconductor layer whose hydrogen concentration is less than or equal to 5×10 | 04-23-2015 |
20150279929 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - It is an object to provide a semiconductor device having a new productive semiconductor material and a new structure. The semiconductor device includes a first conductive layer over a substrate, a first insulating layer which covers the first conductive layer, an oxide semiconductor layer over the first insulating layer that overlaps with part of the first conductive layer and has a crystal region in a surface part, second and third conductive layers formed in contact with the oxide semiconductor layer, an insulating layer which covers the oxide semiconductor layer and the second and third conductive layers, and a fourth conductive layer over the insulating layer that overlaps with part of the oxide semiconductor layer. | 10-01-2015 |
20160027922 | Semiconductor Device, Power Circuit, And Manufacturing Method Of Semiconductor Device - The semiconductor device includes a first conductive layer over a substrate; an oxide semiconductor layer which covers the first conductive layer; a second conductive layer in a region which is not overlapped with the first conductive layer over the oxide semiconductor layer; an insulating layer which covers the oxide semiconductor layer and the second conductive layer; and a third conductive layer in a region including at least a region which is not overlapped with the first conductive layer or the second conductive layer over the insulating layer. | 01-28-2016 |
Patent application number | Description | Published |
20100081874 | MEDICAL TREATMENT ENDOSCOPE - Provided is a medical treatment endoscope including: an endoscope main body which includes an elongated insertion portion having a lumen and an image capturing mechanism disposed in a distal end of the insertion portion; an arm which is able to be inserted into or extracted from the lumen and has a treatment tool lumen for allowing an endoscope treatment tool to be inserted therethrough; and a positioning mechanism which positions a part of the arm inserted through the lumen with respect to the endoscope main body. | 04-01-2010 |
20100110261 | SOLID-STATE IMAGING DEVICE, IMAGING APPARATUS, PIXEL DRIVING VOLTAGE ADJUSTMENT APPARATUS, AND PIXEL DRIVING VOLTAGE ADJUSTMENT METHOD - A solid-state imaging device includes: a pixel array unit having arranged unit pixels, each having a charge generator generating signal charges, and a signal output unit having a charge transfer unit, and generating and outputting a processing-target signal corresponding to the signal charges; a driving controller driving the unit pixels, the driving controller sequentially driving the charge transfer unit; and a transfer driving voltage setting unit setting, on the basis of a pixel signal based on a saturated charge amount of the charge generator and a pixel signal based on an intermediate voltage retained charge amount retained in the charge generator after intermediate transfer in which charge transfer is performed at a level between a complete transfer level and an off level, the level of the intermediate voltage such that an actual intermediate voltage retained charge amount becomes the expectation value of the intermediate voltage retained charge amount. | 05-06-2010 |
20110010106 | APPARATUS STATE DETECTOR, METHOD FOR DETECTING APPARATUS STATE, APPARATUS STATE DETECTION SERVER AND APPARATUS STATE DETECTION SYSTEM; LIVING PERSONS' ANOMALY DETECTOR, LIVING PERSONS' ANOMALY DETECTION SYSTEM AND METHOD FOR DETECTING LIVING PERSONS' ANOMALY, AND APPARATUS-STATE DATABASE MAINTENANCE SERVER - An apparatus state detector and its associates are provided to save time and effort for learning combinations of operation states of all apparatuses at home and commit fewer estimation errors even when an unknown apparatus starts operating. The apparatus state detector includes measuring means | 01-13-2011 |
20110133483 | WIND POWER GENERATOR - Provided is a wind power generator equipped with a circulating passage including a downward passage through which air in a nacelle flows downward from the nacelle through a tower and an upward passage through which the air that has flowed downward flows upward through the tower into the nacelle; and a heat exchanger part configured to exchange heat between the air and outside air at an intermediate portion of the circulating passage, wherein the upward passage is thermally insulated. | 06-09-2011 |
20110273021 | Photoelectric Conversion Device and Manufacturing Method Thereof - Generation of ripples and the decrease in the output voltage of a photoelectric conversion device are suppressed. The photoelectric conversion device includes a first photoelectric conversion element; a first voltage conversion element for converting the output voltage of the first photoelectric conversion element; a second photoelectric conversion element whose characteristic is different from the characteristic of the first photoelectric conversion element; a second voltage conversion element for converting the output voltage of the second photoelectric conversion element; and a control element for controlling timing of the first voltage conversion element and the second voltage conversion element. | 11-10-2011 |
20110279438 | BUFFER CIRCUIT - A buffer circuit having high slew rate is provided. The buffer circuit is provided, which includes a plurality of transistors having the same conductivity type and a capacitor and whose gain is determined depending on the gain of all the plurality of transistors. A buffer circuit having high driving capability and high gain of a high-frequency component can be provided. Such a buffer circuit has also high slew rate. The plurality of transistors having the same conductivity type in the buffer circuit may be either p-channel transistors or n-channel transistors. | 11-17-2011 |
20110285372 | SEMICONDUCTOR DEVICE AND DISPLAY DEVICE - An object is to reduce power consumption of a semiconductor device including a DC-DC converter circuit. The semiconductor device includes a DC-DC converter circuit and a microprocessor. The DC-DC converter circuit includes a conversion circuit including an inductor and a transistor, and a control circuit including a comparison circuit and a logic circuit. A hysteresis comparator is used as the comparison circuit. In the control circuit, the comparison circuit compares an output signal of the conversion circuit with a first reference potential or a second reference potential, and the logic circuit performs arithmetic operation between an output signal of the comparison circuit and a clock signal of the microprocessor. In the conversion circuit, the transistor controls current flowing through the inductor in accordance with an output signal of the logic circuit, and the output signal of the conversion circuit is generated in accordance with the current flowing through the inductor. | 11-24-2011 |
20120042926 | Photoelectric Conversion Module and Manufacturing Method Thereof - A photoelectric conversion module in which an output voltage defect is suppressed is obtained by forming in parallel over a substrate n number (n is a natural number) of integrated photoelectric conversion devices each including a plurality of cells that are connected in series, and electrically connecting in parallel n−1 number or less of integrated photoelectric conversion devices with normal electrical characteristics and excluding an integrated photoelectric conversion device with a characteristic defect such as a short-circuit between top and bottom electrodes or a leak current due to a structural defect or the like formed in a semiconductor layer or the like. | 02-23-2012 |
20120056863 | Oscillator Circuit and Semiconductor Device Using the Oscillator Circuit - The oscillator circuit includes a comparator circuit which compares a potential supplied to one of input terminals with a potential supplied to the other of the input terminals and outputs a high power supply potential or a low power supply potential, a capacitor which is electrically connected to the one of the input terminals of the comparator circuit, and a charge and discharge circuit which charges and discharges the capacitor. The charge and discharge circuit includes a first current supply circuit and a second current supply circuit. Each of a current value of the first current supply circuit and a current value of the second current supply circuit can be controlled with the use of a digital control signal. | 03-08-2012 |
20120081091 | CONTROL CIRCUIT, DCDC CONVERTER, AND DRIVING METHOD - A current generator circuit included in a triangle-wave generator circuit in a control circuit includes plural stages of current mirrors connected in parallel with each other. The plural stages of current mirrors are placed so that the sum of output currents output therefrom becomes an output current of the current generator circuit. A switching element that controls the on/off state of a current in accordance with the amount of load current of a DCDC converter is connected to each of the current mirrors. | 04-05-2012 |
20120086422 | DCDC CONVERTER, SEMICONDUCTOR DEVICE, AND POWER GENERATION DEVICE - A DCDC converter includes a control circuit, a transistor in which switching is controlled by being supplied voltage output from the control circuit to a gate electrode of the transistor, a voltage conversion portion in which supply of input voltage is controlled by the switching of the transistor and output power commensurate with duty ratio of the switching of the transistor, and a detection circuit detecting the output power. Further, the control circuit includes a control signal generation circuit generating a control signal with a pulse voltage waveform and a selection circuit applying voltage of the control signal to the gate electrode in the case where current detected by the detection circuit is the same as or exceeds the threshold value and applying voltage for turning on the transistor to the gate electrode in the case where the current detected by the detection circuit falls below the threshold value. | 04-12-2012 |
20120101778 | AIR CONDITIONING SYSTEM DIAGNOSIS APPARATUS AND AIR CONDITIONING SYSTEM DIAGNOSIS RESULT DISPLAY APPARATUS - An air conditioning system diagnosis apparatus and an air conditioning system diagnosis result display apparatus capable of representing various kinds of failures with high visibility by generating a system structure diagram that illustrates an air conditioning system in a different form depending on a detected failure and illustrating the failure using this system structure diagram are obtainable. Diagnosis result superimposed diagram generating means for generating a system structure diagram that includes icons, such as an icon of an outdoor unit and an icon of an indoor unit, and a line that links them on the basis of system structure information derived by system structure analyzing means and for superimposing a refrigeration cycle diagnosis result derived by refrigeration cycle analyzing means in the vicinity of an icon of a concerned device in the system structure diagram is included. | 04-26-2012 |
20120104862 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device includes at least two photoelectric conversion elements which have voltage-current characteristics different from each other. Further, one of the photoelectric conversion elements has photoelectric conversion efficiency higher than that of the other photoelectric conversion element under the environment in which room light can be obtained. Furthermore, the other photoelectric conversion element has photoelectric conversion efficiency higher than the one of the photoelectric conversion elements under the environment in which sunlight can be obtained. Moreover, each of the voltage of electric power generated in the at least two photoelectric conversion elements is adjusted by one of at least two DC-DC converters corresponding the photoelectric conversion element. In addition, part of the electric power generated in the one of the photoelectric conversion elements is used as drive electric power of the at least two DC-DC converter. | 05-03-2012 |
20120140523 | DC-DC CONVERTER AND MANUFACTURING METHOD THEREOF - A DC-DC converter is driven by single high input voltage, and includes a voltage converter circuit and a control circuit. The increase of the occupied area of the DC-DC converter is suppressed. The DC-DC converter includes an input terminal to which input voltage is applied; a voltage converter circuit connected to the input terminal, and including a first transistor; a control circuit configured to control the voltage converter circuit, and including a second transistor including a silicon material in a channel formation region; and a third transistor provided between the input terminal and the control circuit, and configured to convert the input voltage into power supply voltage that is lower than the input voltage. The first transistor and the third transistor include an oxide semiconductor material in channel formation regions. The first transistor and the third transistor are stacked over the second transistor with an insulating film provided therebetween. | 06-07-2012 |
20120211420 | DESALINATION APPARATUS AND DESALINATION METHOD - A desalination apparatus includes a pretreatment device | 08-23-2012 |
20120228221 | METHOD OF CLEANING FILTRATION MEMBRANE - A method of cleaning a filtration membrane includes an alkaline treatment process for supplying an alkaline agent | 09-13-2012 |
20120234760 | DESALINATION APPARATUS AND DESALINATION METHOD - A desalination apparatus includes a first reverse osmosis membrane device | 09-20-2012 |
20140151532 | SOLID-STATE IMAGING DEVICE, AND ELECTRONIC SYSTEM - A solid-state imaging device includes: a pixel array including a plurality of pixels disposed in a matrix, the pixels including a charge holding section configured to hold a signal charge transferred from a photoelectric conversion section, and to include a capacitor section having a first capacitance value and an additional capacitor section for increasing the first capacitance value to be a second capacitance value; and to part of a reset transistor configured to reset a charge held by the charge holding section, a test-voltage power source configured to apply a test voltage having a voltage different from a drive voltage of the reset transistor. | 06-05-2014 |
20140296631 | MEDICAL TREATMENT ENDOSCOPE WITH A POSITIONING MECHANISM - A medical treatment endoscope includes: an insertion portion which has a lumen formed along a longitudinal axis of the insertion portion and is configured to be inserted into a body cavity, a lateral opening portion which extends in a lateral surface of the insertion portion, from a distal end surface of the insertion portion to a proximal end side of the insertion portion, an elastic member which is provided in an inner wall of the lumen at a position separated from an edge of a proximal end of the insertion portion in a direction toward a distal end side of the insertion portion, and a tubular arm which includes a bendable bending part provided at a distal end side of the tubular arm. | 10-02-2014 |
20150021462 | SOLID-STATE IMAGING UNIT AND ELECTRONIC APPARATUS - A solid-state imaging unit includes: a pixel section including a plurality of pixels each including a photoelectric conversion section, a charge-voltage conversion section, and a transfer transistor transferring charge accumulated in the photoelectric conversion section to the charge-voltage conversion section; and a storage section storing information about an optimum value of an intermediate voltage to be applied to a gate of the transfer transistor at time of an intermediate transfer operation when a signal charge accumulated in the photoelectric conversion section is divided to be read in a predetermined times of the intermediate transfer operations and a complete transfer operation. | 01-22-2015 |
20150134794 | COMMUNICATION ADAPTOR, CONTROLLER, AND NETWORK SYSTEM - A device identification code for identifying an electric device is generated based on electric device information predefined for each electric device. Accordingly, it becomes unnecessary for a communication adapter to be provided with a memory device storing the device identification code for identifying the electric device. A structure of the communication adapter can be therefore simplified, resulting in an avoidance of a network complication. Furthermore, precise identification of the electric device constituting the network can be accomplished using the device identification code. | 05-14-2015 |
20150143015 | DMA CONTROLLER AND DATA READOUT DEVICE - A DMA controller ( | 05-21-2015 |
20150148966 | AIR CONDITIONER TESTING SYSTEM, AIR-CONDITIONING SYSTEM SIMULATOR, AND PROGRAM - A test device simulator simulates the behavior of a test device to be tested on the basis of content indicating an input operation by a user, data transmitted from an air-conditioning system simulator, and device object data stored in a data storage. In the case in which the simulation generates data to transmit to the air-conditioning system simulator, the test device simulator transmits that data to the air-conditioning system simulator. The air-conditioning system simulator includes multiple simulation process sections. Each simulation process section, on the basis of content indicated by the input operation performed by the user on the device simulated by the simulation process section itself, data addressed to that device transmitted from the test device simulator, and the device object data stored in the data storage and corresponding to that device, simulates the behavior of that device. | 05-28-2015 |
20150215272 | COMMUNICATION ADAPTER, IDENTIFICATION CODE GENERATION METHOD, PROGRAM, AND NETWORK SYSTEM - Device identification code is generated by combining model code as model information and a communication identification number that is allocated to a communication adapter. Therefore, as long as an electrical device has a model code, it is not necessary to separately store in advance an identification code for identifying the electrical device. Consequently, it is possible to reduce the capacity of the storage device that is used for the electrical device, and as a result, it is possible to simplify the construction of the electrical device. Moreover, devices that form a network can be identified by using device identification code. | 07-30-2015 |
20160002072 | REVERSE OSMOSIS MEMBRANE APPARATUS AND METHOD OF OPERATING SAME - A reverse osmosis membrane apparatus has a plurality of high pressure vessels | 01-07-2016 |