Abstract: The present technology relates to a ranging sensor, a ranging system, and an electronic device capable of efficiently arranging circuits that implement ranging by different ranging methods. A ranging sensor includes a light emission control circuit that generates a light emission pulse that controls a light emission timing of irradiation light, a pixel modulation unit that performs charge distribution control in a pixel by an indirect ToF method, and a TDC that generates a count value corresponding to a flight time of the irradiation light by a direct ToF method, in which the light emission control circuit is arranged adjacent to the pixel modulation unit and the TDC. The present technology is applicable to, for example, a ranging sensor that measures a distance to a subject.

Abstract: A light reception device comprises a pixel array including a plurality of pixels, each of the plurality of pixels including a photosensitive element configured to generate a signal in response to detection of a photon by the photosensitive element, wherein the plurality of pixels include a first pixel having a first sensitivity to detect a first photon incident on the first pixel and a second pixel having a second sensitivity to detect a second photon incident on the second pixel, wherein the second sensitivity is lower than the first sensitivity.

Abstract: A light reception device comprises a pixel array including a plurality of pixels, each of the plurality of pixels including a photosensitive element configured to generate a signal in response to detection of a photon by the photosensitive element, wherein the plurality of pixels include a first pixel having a first sensitivity to detect a first photon incident on the first pixel and a second pixel having a second sensitivity to detect a second photon incident on the second pixel, wherein the second sensitivity is lower than the first sensitivity.

Abstract: [Problem] To provide a light receiving apparatus, a light receiving circuit, and a distance measurement apparatus which can detect a photon with high accuracy, irrespective of illuminance in the environment. [Solution] A light receiving apparatus according to the present disclosure includes a first light receiving circuit configured such that it is possible to switch a recharge method for a light receiving element, and a control circuit configured to control the recharge method for the first light receiving circuit on the basis of a signal outputted by the first light receiving circuit in a reaction with a photon.

Abstract: Provided are a light receiving device, a light receiving circuit, and a distance measuring device capable of minimizing dead time. A light receiving device according to the present disclosure may include: a light receiving circuit including a light receiving element; a power supply circuit configured to supply a power supply potential to the light receiving circuit; and a control circuit configured to control the power supply potential supplied by the power supply circuit on the basis of a signal output from the light receiving circuit in a reaction with a photon.

Abstract: A light detection apparatus according to the present disclosure includes a light-receiving element, a load circuit connected to the light-receiving element, and a control portion configured to control a recharge current that flows through the load circuit in accordance with an element characteristic of the light-receiving element. In addition, a ranging apparatus according to the present disclosure includes: a light source configured to radiate light toward a measurement object; and a light detection apparatus configured to detect light reflected by the measurement object, when the light detection apparatus configured as described above is used as the light detection apparatus.

Abstract: A photodetection device according to the present disclosure includes: a light-receiving element; a load circuit connected to the light-receiving element; a switch circuit connected to the light-receiving element; and a feedback circuit configured to operate the switch circuit in accordance with an output from the light-receiving element. The feedback circuit has a delay circuit. A distance measurement device according to the present disclosure includes: a light source configured to radiate light toward a measurement object; and a photodetection device configured to detect light reflected by the measurement object, wherein the photodetection device configured as described above is used as the photodetection device.

Abstract: An electronic circuit according to one aspect of the present technology includes an MOS circuit portion and a stabilizing element portion. The MOS circuit portion includes a deep well. The stabilizing element portion includes a first element portion arranged between a power supply source and the deep well, and stabilizes a potential of the deep well.

Abstract: A light reception device comprises a pixel array including a plurality of pixels, each of the plurality of pixels including a photosensitive element configured to generate a signal in response to detection of a photon by the photosensitive element, wherein the plurality of pixels include a first pixel having a first sensitivity to detect a first photon incident on the first pixel and a second pixel having a second sensitivity to detect a second photon incident on the second pixel, wherein the second sensitivity is lower than the first sensitivity.

Abstract: An optical-detection element includes a p-type supporting-layer, an n-type buried charge-generation region to implement a photodiode with the supporting-layer, a p-type shield region buried in the buried charge-generation region, a gate insulating-film contacted with the shield region, a transparent electrode on the gate insulating-film, a p-type well region buried in the supporting-layer, and an n+-type charge-readout region buried in the supporting-layer at an edge of the well region toward the buried charge-generation region.

Abstract: A method of mixing a rubber composition includes a carbon introduction step and a uniform dispersion step. In the carbon introduction step, on the basis of a deviation between a rate of temperature increase of the rubber mixture (R) and a target value, at least one of a ram pressure (Pr) and a rotational speed (N) of the mixing rotor (2) is PID controlled so that the ultimate temperature of the rubber mixture (R) at the conclusion of the step is within a tolerance range. In the uniform dispersion step, the ram pressure (Pr) or the rotational speed (N) of the mixing rotor (2) is adjusted to reduce a deviation between a value based on successively detected data associated with a predetermined control target and a target value.

Abstract: An electronic circuit according to one aspect of the present technology includes: an MOS circuit portion; and a stabilizing element portion. The MOS circuit portion includes a deep well. The stabilizing element portion includes a first element portion arranged between a power supply source and the deep well, and stabilizes a potential of the deep well.

Abstract: An optical-detection element includes a p-type supporting-layer, an n-type buried charge-generation region to implement a photodiode with the supporting-layer, a p-type shield region buried in the buried charge-generation region, a gate insulating-film contacted with the shield region, a transparent electrode on the gate insulating-film, a p-type well region buried in the supporting-layer, and an n+-type charge-readout region buried in the supporting-layer at an edge of the well region toward the buried charge-generation region.

Abstract: A method of mixing a rubber composition includes a carbon introduction step and a uniform dispersion step. In the carbon introduction step, on the basis of a deviation between a rate of temperature increase of the rubber mixture (R) and a target value, at least one of a ram pressure (Pr) and a rotational speed (N) of the mixing rotor (2) is PID controlled so that the ultimate temperature of the rubber mixture (R) at the conclusion of the step is within a tolerance range. In the uniform dispersion step, the ram pressure (Pr) or the rotational speed (N) of the mixing rotor (2) is adjusted to reduce a deviation between a value based on successively detected data associated with a predetermined control target and a target value.

Abstract: A color separation optical assembly (3) of an image capture device (1) includes, in order from a light incidence side, a first prism (10) which has a first dichroic film (D1) and extracts blue light (LB) reflected by the first dichroic film, a second prism (20) which has a second dichroic film (D2) and extracts red light (LR) transmitted through the first dichroic film and reflected by the second dichroic film, and a third prism (30) which extracts green light (LG) transmitted through the first and second dichroic films. The first dichroic film is a multiband dichroic film which reflects light of an infrared region from a long wavelength side of a red region.

Abstract: A wiring pattern for oscillation input signal and a wiring pattern for oscillation output signal are provided on a printed circuit board, and a wiring pattern for ground power source voltage is arranged in a region therebetween. A quartz crystal unit is connected between the wiring pattern for oscillation input signal and the wiring pattern for oscillation output signal and one ends of capacitors serving as load capacitors thereof are connected to the wiring pattern for ground power source voltage. Further, a wiring pattern for VSS is arranged so as to enclose these wiring patterns, and a wiring pattern for VSS is arranged also in a lower layer in addition thereto. By this means, reduction of a parasitic capacitance between an XIN node and an XOUT node, improvement in noise tolerance of these nodes and others can be achieved.

Abstract: A device for measuring the state of contact of a measuring roller of a conveyor belt includes a pressure sensor provided on a rotating surface of the measuring roller, which rotates in contact with an inner peripheral surface of a conveyor belt stretched between pulleys. The pressure sensor detects resistance force acting when the conveyor belt rides over the measuring roller. A rotational position sensor detects the circumferential position, on the rotating surface, of the pressure sensor. The data detected are sequentially wirelessly transmitted to the outside of the measuring roller by a transmission unit installed on the measuring roller, and the transmitted detection data are received by a receiver.

Abstract: A color separation optical assembly (3) of an image capture device (1) includes, in order from a light incidence side, a first prism (10) which has a first dichroic film (D1) and extracts blue light (LB) reflected by the first dichroic film, a second prism (20) which has a second dichroic film (D2) and extracts red light (LR) transmitted through the first dichroic film and reflected by the second dichroic film, and a third prism (30) which extracts green light (LG) transmitted through the first and second dichroic films. The first dichroic film is a multiband dichroic film which reflects light of an infrared region from a long wavelength side of a red region.

Abstract: A wiring pattern for oscillation input signal and a wiring pattern for oscillation output signal are provided on a printed circuit board, and a wiring pattern for ground power source voltage is arranged in a region therebetween. A quartz crystal unit is connected between the wiring pattern for oscillation input signal and the wiring pattern for oscillation output signal and one ends of capacitors serving as load capacitors thereof are connected to the wiring pattern for ground power source voltage. Further, a wiring pattern for VSS is arranged so as to enclose these wiring patterns, and a wiring pattern for VSS is arranged also in a lower layer in addition thereto. By this means, reduction of a parasitic capacitance between an XIN node and an XOUT node, improvement in noise tolerance of these nodes and others can be achieved.

Abstract: A semiconductor apparatus includes: first and second external terminals that are connected to respective both ends of an piezoelectric vibrator, in which the piezoelectric vibrator is externally disposed; an inverting amplifier that is disposed between the first and second external terminals; a feedback resistance that feeds back an output of the inverting amplifier to an input of the inverting amplifier; a first capacitative element that is disposed between the first external terminal and a reference voltage terminal; a first resistive element that is disposed in series with the first capacitative element; a second capacitative element that is disposed between the second external terminal and the reference voltage terminal; and a second resistive element that is disposed in series with the second capacitative element.