Abstract: In a photoelectric conversion apparatus including charge storing portions in its imaging region, isolation regions for the charge storing portions include first isolation portion each having a PN junction, and second isolation portions each having an insulator. A second isolation portion is arranged between a charge storing portion and at least a part of a plurality of transistors.
Abstract: A measurement apparatus includes: a measurement tank including an air inlet and an air outlet; a fan; a light source configured to irradiate micro-particulate matter with light; a photodetector configured to detect scattered light from the micro-particulate matter; a first circuit configured to detect individual particles of the micro-particulate matter based on an output of the photodetector; a second circuit configured to detect a micro-particle group of the micro-particulate matter based on the output of the photodetector; a switch configured to switch into one of a first state in which the output of the photodetector is input to the first circuit and a second state in which the output of the photodetector is input to the second circuit; and a controller configured to control a drive and stop of the fan, a turn-on and a turn-off of the light source, and a switching of a state of the switch.
Abstract: An integrated microfabricated vapor cell sensor includes a transparent sensor cell body. The cell body has a cavity for a sensor fluid vapor which is covered by a first plate attached to the cell body. The sensor has a first signal path extending from a first signal emitter, through the cell body, through the cavity, through the cell body again, and to a first signal detector, and a second signal path extending through the cavity. The second signal path intersects the first signal path in the cavity. The second signal path may extend through the cell body, or may extend through the first plate. The signal emitters and signal detectors are located in the integrated microfabricated vapor cell sensor.
Abstract: An optical detection circuit, an optical detection method and an optical detection device are provided. The circuit includes a photosensitive transistor, a resetting unit, an energy storing unit, a detection control unit and a detection unit. A threshold voltage of the photosensitive transistor varies with an intensity of an optical signal received by the photosensitive transistor. A wavelength of the optical signal is within a preset wavelength range. The detection control unit is configured to control the first node to be connected to the detection unit under control of a detection control terminal. The detection unit is connected to the first node via the detection control unit and is configured to, when the detection control unit controls the first node to be connected to the detection unit, detect an electric signal from the first node and obtain the intensity of the optical signal based on the electric signal.
Abstract: A photoelectric conversion apparatus is provided. The apparatus comprises a substrate including two light receiving regions in which light receiving devices are arranged; electrode pads arranged on the substrate; and a readout circuit arranged on the substrate and configured to read out signals from the light receiving regions. The electrode pads include an output pad for outputting a signal, and a power supply pad for supplying power to the light receiving regions or the readout circuit. Each of the light receiving regions has a shape in which a first direction is taken as a longitudinal direction, the light receiving regions are arranged along a second direction with an interval therebetween, the second direction intersecting the first direction, and one or more pads of the electrode pads is sandwiched by the light receiving regions in the second direction.
Abstract: An optical sensor includes a time difference extraction circuit for extracting a time difference based on the distance to a target on the basis of a first received light pulse signal from a first light receiving unit, a reference cycle, and a second received light pulse signal from a second light receiving unit, and a determination circuit for determining whether a crosstalk value can be calculated on the basis of the time difference extracted by the time difference extraction circuit and the reference cycle.
Abstract: A CSP system including a reflector and a receiver for concentrating the solar radiation incident on the reflector onto the receiver, comprising a shadow blind and a shadow receiver as well as a colour and/or brightness digitizing sensor arranged to detect the shadow of the shadow blind on the shadow receiver in order to determine a deviation of the actual shadow position from a target shadow position, a tracking means configured to adapt the position of the reflector and the receiver according to the deviation.
Abstract: Methods and apparatus for variable time sampling of optical pulses by a unit cell are disclosed. The methods may include detecting whether an amplitude of an optical pulse incident on one or more photo-detecting elements exceeds a sampling threshold, and while the pulse amplitude remains above the sampling threshold, iteratively sampling the optical pulse at a sampling rate that varies based on changes in the pulse amplitude.
Abstract: An optical detector device including: a glass substrate having conductive traces plated thereon; a semiconductor device having an optical detector exposed on a side facing the glass substrate, the semiconductor device further including a plurality of bond pads electrically coupled to a first subset of the conductive traces; a metallic seal structure bonding a side of the glass substrate having the conductive traces with the side of the semiconductor device facing the glass substrate; and a plurality of conductive structures outside of a perimeter of the semiconductor device, the plurality of conductive structures being electrically coupled to a second subset of the conductive traces.
June 1, 2018
Date of Patent:
June 23, 2020
TT ELECTRONICS PLC
Virgil Cotoco Ararao, Brent Hans Larson
Abstract: A sensor configured to detect displacement of a rotation angle of a shaft due to a rotation or a turn of the shaft, the sensor includes: a bearing rotatably supporting the shaft; and a housing including a bearing hole to which the bearing is fixed. The shaft and an inner circumferential surface of the bearing are fixed to each other by an adhesive agent, and an outer circumferential surface of the bearing and an inner circumferential surface of the bearing hole of the housing are fixed to each other by an adhesive agent.
Abstract: Apparatus and related methods are provided for evaluating effectiveness of a visual augmentation system (VAS), such as night vision goggles (NVGs). The apparatus and methods illustratively measure the response time of the visual augmentation system (VAS) as a function of targeting detection, engagement, and scan angle.
June 15, 2017
Date of Patent:
June 2, 2020
The United States of America, as represented by the Secretary of the Navy
Abstract: The present disclosure provides an optoelectronic module. In one aspect, the optoelectronic module includes an insertion member including a housing insert and an imager disposed in the housing insert, and a receiving member including an interposer, a housing disposed on the interposer, and an optoelectronic device electrically connected to said interposer. The housing of the receiving member is configured to engage and receive the housing insert of the insertion member. The optoelectronic device of the receiving member is configured to align with the imager of the insertion member.
August 5, 2019
Date of Patent:
May 26, 2020
Wavefront Research, Inc.
David M. Vincentsen, Jonas D. Corl, Thomas A. Mitchell, Michelle M. Stone, Thomas W. Stone, Randall C. Veitch
Abstract: An encoder includes a light emitting portion emitting light, an optical element portion splitting the light into a first beam and a second beam, an optical scale receiving the first beam and the second beam from the optical element portion, and a light receiving portion receiving the first beam and the second beam from the optical scale and outputting a signal in accordance with intensity of the received light, in which the optical element portion includes a prism on which the light is incident, a beam splitter disposed on the prism and splitting the light incident on the prism into the first beam heading for the optical scale and the second beam heading for an inside of the prism, and a first mirror portion disposed on the prism and reflecting the second beam from the beam splitter toward the optical scale.
Abstract: Provided is a photoelectric encoder that can achieve higher accuracy while maintaining reliability by reducing stray light. An encoder 1 is a photoelectric encoder including a light source device 2 that emits parallel light, a scale 3 having calibrations C provided along a measurement direction, and a light receiving unit 4 that receives light being emitted from the light source device 2, and transmitted through the scale 3. The encoder 1 includes an antireflection member 30 that prevents stray light generated by being reflected on the scale 3, from entering the light receiving unit 4. Because the encoder 1 includes the antireflection member 30, the encoder 1 can achieve higher accuracy while maintaining reliability by reducing stray light entering the light receiving unit 4.
Abstract: The present disclosure provides a communication system, a sensing device, and a semiconductor device, among other things. One example of the disclosed sensing device includes a semiconductor die having a photodetector, an optical element optically coupled to and disposed on the photodetector, at least one support structure substantially surrounding the optical element, and a top metal portion disposed on the semiconductor die adjacent to but distanced away from the optical element and the at least one support structure.
December 23, 2016
Date of Patent:
May 12, 2020
Avago Technologies International Sales Pte. Limited
Gim Hong Koh, Ramana Murty, Ching Kean Chia
Abstract: An angle-stable, miniaturized and integrate-able imaging system based on plasmon resonances or dielectric resonances for multispectral imaging maintaining full spatial resolution of the image sensor. Active tunability of the filter allows color recording, estimation of unknown spectra and determination of spectral singularities, for example laser lines, with the use of a conventional B/W camera. The system is characterized by high angular acceptance, cost-efficient fabrication and ease-of-use. This system can be used in conjunction with other commercial multispectral imaging systems such as RGB cameras to further enhance the spectral resolution. It can be adapted to different spectral ranges, depending on the application.
Abstract: A CMOS type semiconductor image sensor module wherein a pixel aperture ratio is improved, chip use efficiency is improved and furthermore, simultaneous shutter operation by all the pixels is made possible, and a method for manufacturing such semiconductor image sensor module are provided. The semiconductor image sensor module is provided by stacking a first semiconductor chip, which has an image sensor wherein a plurality of pixels composed of a photoelectric conversion element and a transistor are arranged, and a second semiconductor chip, which has an A/D converter array. Preferably, the semiconductor image sensor module is provided by stacking a third semiconductor chip having a memory element array. Furthermore, the semiconductor image sensor module is provided by stacking the first semiconductor chip having the image sensor and a fourth semiconductor chip having an analog nonvolatile memory array.
Abstract: An encoder includes an optical scale including a scale portion that is constituted with a polarizer, a light emitting portion which emits light, an optical element unit which divides the light into first light and second light and makes the first and second lights incident onto the scale portion, and a light receiving portion which receives the first light and the second light from the scale unit and outputs a signal corresponding to intensities of the received first light and second light, and in which the first light and the second light overlap other within a plane of the scale portion.
Abstract: A high dynamic range sensing device is disclosed. The device includes an array of Bayer pattern units. Each of the Bayer pattern units comprises a plurality of pixels and each of the plurality of pixels comprises a plurality of photodiodes. At least one of the plurality of photodiodes in each pixel is configured to detect near infrared (NIR) light and at least one of the plurality of photodiodes in each of the plurality of pixels is configured to detect visible light.
Abstract: A photo-detection device includes an APD, a current detecting unit to which a signal via a first terminal of the APD is input, a load element connected to a node between the APD and the current detecting unit, a quench signal generating unit to which a signal from the current detecting unit is input and which outputs a quench signal, and a switch connected to a second terminal of the APD and a first wiring line to which first potential is supplied. The node is connected via the load element to a second wiring line to which second potential different from the first potential is supplied, and the quench signal generating unit generates a one-shot pulse signal as the quench signal based on the signal from the current detecting unit and causes the quench signal to be input to the switch.