Abstract: A counting method, a counting device, and a counting system and a pixel array using the counting device are provided. The counting device includes a storage module, which comprises multiple storage units in cascade interconnection, the multiple storage units store a plurality of cumulative count values, the multiple storage units are configured as at least one group of storage units; an arithmetic module connected to a first group of storage units and a last group of storage units for calculation according to a received count value and an added cumulative count values input through the last group of the storage units so as to obtain a current added cumulative count values of corresponding objects, which is then output to the first group of the storage units in cascade interconnection.

Abstract: The disclosure provides a detection method for acquiring distance information, which is performed by a distance detection system including a light emitting module, a processing module and a light receiving module; the detection method including: the light emitting module emits light signals with different emitted frequencies; the light receiving module obtains returned light signal which is the emitted light reflected by detected object in the field of view, and converts the returned light signal into electrical signal; and the processing module acquires the distance information of the detected object according to the electrical signal converted from the returned light signal acquired by the receiving module, wherein the processing module includes at least two sets of conversion relationships for calculating the distance information from the electrical signal, the processing module acquires the distance information of the detected object according to one of the conversion relationships.

Abstract: A distance information acquisition system, comprising: a light source module, a receiving module, and a processing module. The light source module comprises N groups of emitted lights having timing correlations, where N is an integer greater than or equal to 3, and at least two groups of adjacent emitted lights comprise timing correlations in terms of emission timing. The receiving module acquires a signal of returning lights in a field of view of the N groups of emitted lights outputted by the light source module and converts into an electric signal. The processing module acquires distance information of a detected object in one complete field of view on the basis of the electric signal converted from the N groups of emitted lights.

Abstract: Disclosed are a decoherence processing method and system, and a coherent light receiving apparatus. The coherent light receiving apparatus comprises a plurality of photoelectric conversion units. The method comprises: performing phase comparison between electric signals, obtained by means of conversion performed by at least two of a plurality of photoelectric conversion units, and a reference signal to obtain a corresponding phase difference; according to the obtained phase difference, respectively performing phase compensation on the electric signals obtained by means of conversion performed by the at least two photoelectric conversion units, so as to obtain at least two compensated electric signals of the photoelectric conversion units; and using the at least two compensated electric signals of the photoelectric conversion units to superpose and output electric signals.

Abstract: Provided is an image sensor, comprising a photodiode unit. The photodiode unit is used for receiving a return optical signal reflected back by a detected target; the photodiode unit is electrically connected to at least one corresponding memory cell in part of a time period by means of at least one transmission gate group, so as to transfer, to the at least one memory cell, photo-generated charge converted from the return optical signal; each of the at least one transmission gate group comprises at least two transmission gate units.

Abstract: A detection method and system. The detection method is performed by the detection system comprising: a light emitting module comprising N emitting regions, N is an integer greater than or equal to 2, and emitted light of every two adjacent emitting regions has different polarization angles, a processing module, and a light receiving module comprising receiving regions corresponding to the N emitting regions, and every two adjacent receiving regions receive, at different polarization angles, light returned by a detected object. The detection method comprises: receiving, by at least some receiving regions, the return light outputted by at least two emitting regions; generating a photogenerated electrical signal under excitation of the return light with at least one of the polarization angles after being partially or fully filtered; and processing the photogenerated electrical signal to obtain final target information of the detected object.

Abstract: A drive circuit, comprising: a target waveform conversion part, configured to convert target waveform information into a current or voltage signal, and output the converted current or voltage signal to a first sampling circuit and a second sampling circuit; a computational module, the computational module outputting an action command on the basis of the output results of the first sampling circuit and the second sampling circuit; and a TDC module for outputting time parameters of a counting interval on the basis of the action command outputted by the computational module. By means of the present circuit, time information of a predetermined interval can be automatically acquired, for example time information of a rising edge or a falling edge, and can then be used to calibrate emission or calibrate the final ranging result of a time-of-flight ranging solution, such that the emitted light waveform of an emission source is more accurate or the ranging result is more accurate.

Abstract: There are provided a circuit and a method for regulating a gate voltage, and a sensor applying the circuit. In the circuit, an input end of the storage module is connected to a first end of a signal storage unit, an output end thereof is connected to an input end of the comparison module, an output end of the comparison module is connected to an input end of the voltage regulation module, and an output end of the voltage regulation module is connected to a transmission gate. The storage module stores electrical signals outputted by the signal storage unit. The comparison module compares at least two of the electrical signals correspond to different gate voltages to obtain a comparison result. The voltage regulation module regulates, based on the comparison result, an output voltage according to a predetermined rule to change the gate voltage.

Abstract: Provided are a detection apparatus and a detection method. The detection apparatus comprises: a pulse light source, which is configured to emit a pulse light signal; a detector array, which includes a plurality of pixel units, wherein at least some of the plurality of pixel units are operating units, and the operating units obtain excitation information in response to background light and/or signal light photons incident thereon during a plurality of windows; and a processing module, which acquires time range information according to the excitation information of the operating unit.

Abstract: Provided are an image sensor and a detection system using same, which belong to the field of semiconductor image sensors. The image sensor includes: a first substrate, wherein the first substrate at least includes a photoelectric unit for photoelectric conversion, and N signal transmission channels which are connected to the photoelectric unit, with N being greater than or equal to 1; and a second substrate, which includes N second charge storage units which correspond to the N transmission channels. The transmission channels receive control signals, electrically communicate the photoelectric unit and the second charge storage units, and transfer at least some photo-induced electrons, which are generated in the photoelectric unit, to the second charge storage units.

Abstract: Disclosed are a detection apparatus and a detection method using the detection apparatus. The apparatus comprises: a light source ; a receiving part containing a photoelectric conversion module, with the receiving part further containing a first circuit for receiving a first modulation signal, and a second circuit for receiving a second modulation signal; a controller, which can control the light source to emit irradiation light and generates a plurality of delay control phase signals in different phases, with first and second modulation circuits of the receiving part outputting electrical signals corresponding to at least one receiving control signal in the same phase; and an information acquisition unit for acquiring target information of a detected object according to the electrical signals of the receiving control signal in the same phase that are respectively obtained by the two circuits.

Abstract: A measurement pixel unit, and a measurement apparatus and a measurement method using same. The measurement apparatus comprises a light source that can be operated to emit light so as to illuminate a measured object; a photosensitive module may output an electrical signal by means of a first circuit receiving a first modulation signal and a second circuit receiving a second modulation signal; a processing module may receive different control signals to perform control, and thus may work at different modes in a measurement system; the two circuits can separately output the electrical signal corresponding to the phase delay of one of delay phase reception control signals, thereby achieving the accuracy of measurement information; moreover, the system further can perform reasonable arrangement on phase delay information and exposure duration information in a sub frame at a certain frame rate mode, thereby ensuring the high efficiency of the whole system.

Abstract: A detection device, characterized in that a light emitting module (110) comprises at least two emitting areas, and a light receiving module (130) comprises at least two receiving areas corresponding to the light emitting module (110); a processing module (120) can generate a first instruction to be electrically connected to all emitting units, so that all the emitting units simultaneously output emitted light, and all the receiving units of the light receiving module (130) correspond to the emitting units on a one-to-one basis; and the processing module (120) can also generate an instruction different from the first instruction to only be electrically connected to some of the emitting units, so that the light emitting module (110) outputs emitted light once or more than once, and the light receiving module (130) obtains reflected light information of a target area once or more than once.

Abstract: Provided are a detection apparatus and method. The detection apparatus comprises a light emitting module, a processing module and a light receiving module, the light emitting module comprises M emitting regions; the light receiving module comprises N receiving regions; M and N are both integers greater than zero; the M emitting regions output M paths of emitted light in a time-sharing manner; the N receiving regions receive reflected light information emitted by M emitting regions and reflected by a detection target in a time-sharing manner, and send the reflected light information and receiving time corresponding to the reflected light information to the processing module; and the processing module processes the received reflected light information, to synthesize a distance image with the image resolution not being less than the number N of receiving regions and not being greater than the product N×M of the receiving regions and the emitting regions.

Abstract: Disclosed are a device and method for measuring distance by time of flight. The device includes a light-emitting module (110), a processing module (120) and a light receiving module (130), wherein the light-emitting module (110) comprises at least two emitting regions, and the light receiving module (130) comprises at least two receiving regions corresponding to the light-emitting module (110); the processing module (120) can generate a first instruction for electrical connection to all emitting units so that same output emitted light at the same time, all receiving units of the light receiving module (130) are in one-to-one correspondence with the emitting units; and the processing module (120) carries out calculation, according to data from the light receiving module (130), to obtain detected target distance data.

Abstract: A data processing method and an array-type sensor, which relate to the technical field of semiconductors. The array-type sensor comprises a processing unit (120) and a plurality of sensing units (110), and the plurality of sensing units (110) are separately connected to the processing unit (120); the sensing units (110) are configured to receive external signals, convert the external signals into unit values, and send the unit values to the processing unit (120) according to a preset rule; the processing unit (120) is configured to perform data processing on the unit values by using a preset algorithm; and when the processed data or processing result sent to a receiving unit (210) meets a preset condition, the sensing units (110) are controlled to send the unit values to the receiving unit (210).

Abstract: The present invention relates to the field of radar detection. Provided are a detection method and a detection apparatus. The method comprises: emitting a first waveform signal to a target to undergo detection, and receiving a second waveform signal reflected by the target on the basis of the first waveform signal, the second waveform signal carrying spatial modulation information; generating, on the basis of the second waveform signal, a detection signal corresponding to the spatial modulation information, and obtaining a signal flight time carried on the detection signal; and determining distance data of the target on the basis of multiple pieces of the spatial modulation information and signal flight times corresponding thereto.

Abstract: A signal extraction circuit, a signal extraction method, and a distance measurement method and device. The distance measurement method comprises: performing multiple signal extractions using a circuit in a sensor, so as to obtain multiple extraction results; and determining the distance to a measurement object according to the multiple extraction results. Compared with pixel circuits in the prior art, the signal extraction circuit reduces the number of capacitors by half, thereby significantly increasing effective areas in pixels, and reducing calculation errors resulting from capacitance differences between the various capacitors. Moreover, part of the calculation is completed during the signal extraction, thus reducing the pressure of subsequent data processing, and particularly improving the accuracy and speed of distance measurement during the distance measurement process.

Abstract: There are provided a circuit and a method for regulating a gate voltage, and a sensor applying the circuit. In the circuit, an input end of the storage module is connected to a first end of a signal storage unit, an output end thereof is connected to an input end of the comparison module, an output end of the comparison module is connected to an input end of the voltage regulation module, and an output end of the voltage regulation module is connected to a transmission gate. The storage module stores electrical signals outputted by the signal storage unit. The comparison module compares at least two of the electrical signals correspond to different gate voltages to obtain a comparison result. The voltage regulation module regulates, based on the comparison result, an output voltage according to a predetermined rule to change the gate voltage.

Abstract: The embodiments of the present disclosure provide a reset method, a reset device, a reset system and a pixel array using the same. The reset method includes an electric charge accumulation unit being configured to store a first electric charge and an electric charge storage unit being configured to store a second electric charge. A polarity of the first electric charge is opposite to a polarity of the second electric charge. The reset method includes controlling the electric charge storage unit to obtain the second electric charge; and resetting the electric charge accumulation unit so as to transfer a preset amount of the second electric charge from the electric charge storage unit to the electric charge accumulation unit, which includes a third port of the control module applying a control voltage to a second end of the electric charge storage unit; and meanwhile charging the electric charge storage unit during the process of transferring the second electric charge.