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| Number | Title | Issue Date |
| 8183514 | Signal waveform measuring apparatus and method comprising a wavelength conversion element A signal waveform measuring apparatus 1A is configured from: a signal optical system 11, a reference optical system 16, a time difference setting unit 12 setting a time difference between signal light L1 and reference light L2 | 05/22/2012 |
| 8183515 | Pumps for CMOS imagers A pixel for an imaging device is described. The pixel includes a photosensitive device provided within a substrate for providing photo-generated charges, a circuit associated with the photosensitive device for providing at least one pixel output signal representativ... | 05/22/2012 |
| 8183513 | In-cell current subtraction for infrared detectors Read-out cell systems are disclosed for image detectors, including infrared image detectors, that provide improved sensitivity by providing in-cell subtraction through the use of a voltage ramp signal generated using a reference pixel and a feedback amplifier. The r... | 05/22/2012 |
| 8178827 | Universal LED testing device Apparatus for optically testing LEDs or other light-emitting components in a wide variety of test environments and to the degree necessary pertinent to the type(s) of faults encountered. In one embodiment, the present invention includes one or more fiber optic probe... | 05/15/2012 |
| 8168934 | Integrated circuit comprising an array of single photon avalanche diodes Integrated circuit (1) comprising: an array of single photon avalanche diodes (SPADs), a plurality of read-out circuits, each SPADs being coupled to one read-out circuit, wherein at least some of the read-ou... | 05/01/2012 |
| 8168936 | Interface techniques for coupling a sensor to a readout circuit Techniques are disclosed that can be used to interface a sensor circuit with readout circuitry. The techniques can be employed, for instance, with microchannel plate (MCP) based devices used in numerous sensing/detection applications, and are particularly suitable f... | 05/01/2012 |
| 8168935 | Pressure sensor and pressure measurement method of pressure sensor Disclosed is a pressure sensor comprising: a substrate; a pressure reception plate which is provided in a state of facing the substrate, the pressure reception plate comprising in a surface which faces the substrate, a low reflection region, and a high reflection re... | 05/01/2012 |
| 8158923 | Time-frequency fusion digital pixel sensor Light is converted to an electric signal by performing a light-to-frequency conversion of the light received during a first phase of operation. Following the first phase of operation, a light-to-time conversion is performed on light received during a second phase of... | 04/17/2012 |
| 8153954 | Photoelectric conversion device and electronic device having the same To output a digital signal corresponding to illuminance without being adversely affected by circuit delay. A photoelectric conversion device includes a photoelectric conversion element; a ramp-wave output circuit; a first comparator for comparing the ramp-wave signa... | 04/10/2012 |
| 8143566 | Electron emission device of high current density and high operational frequency An electric device operable with a THz-range frequency of the device output is presented. The device comprises a photocathode installed in either one of a diode, triode and tetrode configuration, and is exposed to illumination. In some embodiments of the invention, ... | 03/27/2012 |
| 8138464 | Optical receiving circuit An optical-receiving circuit includes a first photodiode converting an optical signal into a current signal, a first trans-impedance amplifier to which a first power supply voltage of Vreg is supplied and which has a negative feedback resistor and to whic... | 03/20/2012 |
| 8134111 | Reverse bias processing apparatus and reverse bias processing method for photoelectric conversion devices When reverse bias processing is performed on a plurality of photoelectric conversion devices connected in series, different potentials are applied to electrodes of three or more photoelectric conversion devices to simultaneously perform reverse bias processing on tw... | 03/13/2012 |
| 8134113 | Dynamically configurable photodetector arrays In accordance with an embodiment, a circuit includes a photodetector (PD) array including a plurality of electrically isolated PD sections. Additionally, the circuit includes a switching matrix that includes a plurality of inputs and a plurality of outputs, and that... | 03/13/2012 |
| 8124922 | Photoelectric conversion device including photoelectric conversion element and amplifier circuit having a thin film transistor Objects are to accumulate electric charge in a capacitor so that light intensity can be detected even when the amount of incident light is small, and to operate a photoelectric conversion device without increasing the number of elements such as a constant current so... | 02/28/2012 |
| 8119972 | Solid-state image sensing device having a low-pass filter for limiting signal frequencies passing to the output node of an inverting amplifier The present invention refers, inter alia, to pixel circuits. The pixel circuit according to embodiments of the invention may include a photo-sensitive device having charge storage capability connected to a sense node. The pixel circuit may further include an inverti... | 02/21/2012 |
| 8119973 | Light receiving circuit A light receiving circuit in accordance with an exemplary aspect of the present invention includes a photodiode 6 that converts an optical input signal into a current signal, and an I-V conversion circuit 8 that converts the current signal into a volta... | 02/21/2012 |
| 8119971 | Pulse data recorder in which a value held by a bit of a memory is determined by a state of a switch A pulse data recorder system and method are provided. Upon the arrival or occurrence of an event or signal, the state of a digital switch is set. Upon receiving a pulse from a readout clock, the state of the switch is stored in a buffer memory, and the state of the ... | 02/21/2012 |
| 8119974 | Microprocessor based automatically dimmable eye protection device with interruption prevention An auto darkening eye protection device comprising a shutter assembly and a control circuit in electrical communication with the shutter assembly. The shutter assembly is adjustable between a clear state and a dark state. The control circuit comprises a microcontrol... | 02/21/2012 |
| 8119970 | Radiation image detection apparatus which controls a charge trap density In a radiation image detection apparatus having a radiation image detector that includes the following stacked in the order listed below: a bias electrode, a photoconductive layer, a substrate side charge transport layer, and an active matrix substrate, the radiatio... | 02/21/2012 |
| 8101900 | Circuit and method for operating a circuit A circuit and method for operating a circuit with a terminal for connecting a photodiode to output an output current dependent on the photocurrent of the photodiode, with a resistance device for generating a voltage drop dependent on a photocurrent of the photodiode... | 01/24/2012 |
| 8097841 | Conversion circuit for converting data of signal line between an air-conditioner and a computer A circuit for converting data of a signal line in the form of logical pulses of current to RS232 level voltages between an air-conditioner and a computer is described. The conversion circuit is able to troubleshoot the communication signals between the indoor unit a... | 01/17/2012 |
| 8093543 | Voltage generator circuit having a resistor ladder circuit and a switch control circuit allowing a variation of the slope of a given ramp wave, digital-to-analog converter, ramp generator circuit, analog-to-digital converter, image sensor system, and method for generating voltage A resistor-ladder voltage generator circuit is provided, which controls so that k switches among consecutive (k+1) switches out of a plurality of switches connected to the resistor ladder circuit are simultaneously set to an ON state, and which temporally switches t... | 01/10/2012 |
| 8084730 | Dual mode source follower for low and high sensitivity applications In certain embodiments, a unit cell is provided. The unit cell may include a high sensitivity path and a low sensitivity path. The high sensitivity path may include a first transistor and a first switch. The first switch may couple an output node to the first transi... | 12/27/2011 |
| 8080775 | Differential source follower source leader addressable node readout circuit A readout circuit for reading from addressable nodes comprises first and second half-circuits of a differential amplifier. The first half-circuit comprises at least one source follower transistor adapted to receive an input signal from one of the addressable nodes, ... | 12/20/2011 |
| 8053717 | Photoelectric conversion device having a reference voltage generation circuit with a resistor and a second diode element and electronic device having the same The photoelectric conversion device includes a photoelectric conversion circuit for outputting photocurrent generated in a photoelectric conversion element as output voltage subjected to logarithmic compression by a first diode element, a reference voltage generatio... | 11/08/2011 |
| 8053718 | Method for driving a photoelectric conversion apparatus having a reset unit for controlling a connection between signal lines A photoelectric conversion apparatus includes a first block line through which an optical signal is output and a second block line through which a noise signal superimposed on the optical signal is output. The photoelectric conversion apparatus also includes a switc... | 11/08/2011 |
| 8049155 | Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry battery An active infrared induction instrument powered by a dry battery capable of reducing power consumption through the adjustment of the emitter pulse width. The infrared emitting LED emits infrared signals, which, after being reflected by an object, are received by the... | 11/01/2011 |
| 8044335 | Level sensor implemented with a plurality of light receiving elements A level sensor, i.e., a light receiving section (11X) having multiple light receiving elements (PDX1 to PDXn) arranged in parallel. In the level sensor, each two adjacent output terminals of the light receiving elements (PDX1 to PDXn) are connec... | 10/25/2011 |
| 8039783 | Methods and materials for detecting light released from a labeling material using self triggering excitation The present disclosure relates generally to methods and materials for detecting light released from a labeling material using self triggering excitation. In particular, the present disclosure provides an architecture for a detection system that detects accumulated p... | 10/18/2011 |
| 8039782 | Optical sensor device and electronic apparatus with an amplifier circuit and dual level shift circuit In an optical sensor device employing an amorphous silicon photodiode, an external amplifier IC and the like are required due to low current capacity of the sensor element in order to improve the load driving capacity. It leads to increase in cost and mounting space... | 10/18/2011 |
| 8026470 | Photosensor circuits including a switch mode power converter, a driver transistor and a relay coil Photosensor circuits include a relay coil configured to control application of an alternating current (AC) power source to a load. The circuit includes a pulse width modulator circuit configured to generate a pulse width modulated signal having a pulse width that va... | 09/27/2011 |
| 8017900 | Photon counting apparatus An apparatus for photon counting is disclosed that comprises a sensor element (5) comprising a photon detector (8) and a capacitance (2) for applying a potential difference across the detector (8). The apparatus also comprises switching c... | 09/13/2011 |
| 8017901 | Photodetector A photodetecting device 1 includes a photodiode PDm,n, a switch SWm,n for the photodiode, an integrating circuit 12m, and a noise removing circuit 13m. The integrating circuit 12m acc... | 09/13/2011 |
| 7994465 | Methods and devices for improved charge management for three-dimensional and color sensing TOF and color sensing detector structures have x-axis spaced-apart y-axis extending finger-shaped gate structures with adjacent source collection regions. X-dimension structures are smaller than y-dimension structure and govern performance, characterized by high x-a... | 08/09/2011 |
| 7994466 | Bolometer-type infrared imaging apparatus including a one or two dimensional sensor array semiconductor device Disclosed is a bolometer infrared imaging device including a plural number of readout circuits, each comprising a bias circuit that includes a bias transistor that supplies a constant voltage to a bolometer device, a bias cancellation circuit that includes a cancell... | 08/09/2011 |
| 7989753 | Photodetector having wide dynamic range and low temperature dependence A photodetector of a wide dynamic range of incident light amount detection and low temperature dependence is provided. A first signal processing unit 10m,n includes an integrating circuit 11, a first holding circuit 12, a comparing ci... | 08/02/2011 |
| 7964838 | Photo sensing method with a variation of received light calculated based on a difference between positive and negative voltages of a capacitance The present invention discloses a photosensitive circuit comprising a photosensitivity unit, a capacitance and a switch unit. The photosensitivity unit is capable of receiving a received light, and the capacitance is capable of storing a photoelectric current corres... | 06/21/2011 |
| 7964839 | Universal LED testing device Apparatus for optically testing LEDs or other light-emitting components in a wide variety of test environments and to the degree necessary pertinent to the type(s) of faults encountered. In one embodiment, the present invention includes one or more fiber optic probe... | 06/21/2011 |
| 7964837 | Photovoltaic inverter interface device, system, and method A photovoltaic system, method and apparatus are disclosed. In an exemplary embodiment, the system includes a first and second inputs adapted to couple to a first and second rails of a photovoltaic array; an inverter configured to convert DC power from the photovolta... | 06/21/2011 |
| 7960679 | Photo detector array with thin-film resistor-capacitor network for use with a display device A photo detector device configured for use with a display device, the photo detector device comprising a photosensitive transistor formed on a substrate of the display device, the photosensitive transistor being capable of detecting an optical signal and converting ... | 06/14/2011 |
