Abstract: An electronic device comprising a clock-gated latch between two routing wires which transport a demodulation signal from a demodulation driver to pixels of a pixel column of a pixel array.

Abstract: A heterogeneous multi-core apparatus includes a plurality of cores. The plurality of cores include at least one high-performance core and at least one energy-efficient core. Maximum power consumption of any one of the at least one high-performance core is greater than maximum power consumption of any one of the at least one energy-efficient core. A maximum computing capacity of any one of the at least one high-performance core is greater than a maximum computing capacity of any one of the at least one energy-efficient core. A first core of the plurality of cores may allocate a first computing resource to a first thread, and allocate a second computing resource to a second thread. The first computing resource and the second computing resource belong to a second core of the plurality of cores.

Abstract: A time-of-flight apparatus has a light source for emitting a light pulse to a scene; a photo-detection portion for detecting at least the light pulse reflected from the scene within a first photo-detection time interval, wherein the photo-detection portion includes at least one photo-detection element; and a measurement circuitry configured to: drive, within a measurement time interval including the first photo-detection time interval, the at least one photo-detection element for detecting the light pulse reflected from the scene, and drain, within the measurement time interval and after the first photo-detection time interval, electrons from the at least one photo-detection element.

Abstract: A time-of-flight apparatus has a light source for emitting a light pulse to a scene; a photo-detection portion for detecting at least the light pulse reflected from the scene within a first photo-detection time interval, wherein the photo-detection portion includes at least one photo-detection element; and a measurement circuitry configured to: drive, within a measurement time interval including the first photo-detection time interval, the at least one photo-detection element for detecting the light pulse reflected from the scene, and drain, within the measurement time interval and after the first photo-detection time interval, electrons from the at least one photo-detection element.

Abstract: Improved image quality in photodetection devices that count pulses with a counter is disclosed. In one example, a first sensor unit generates a first pulse signal in response to incidence of photons. A second sensor unit generates a second pulse signal in response to incidence of photons. A first counter counts a count value in synchronization with one of a plurality of signals including the first and second pulse signals, and outputs a first digital signal indicating the count value and a first carry flag indicating whether or not overflow has occurred. A second counter counts a count value in synchronization with one of the first carry flag and the second pulse signal, and outputs a second digital signal indicating the count value.

Abstract: An electronic device comprising circuitry configured to generate a coded modulation signal (54; 60) for modulating illumination light (16; 55) transmitted by a time of flight camera (3).

Abstract: The present disclosure generally pertains to time-of-flight circuitry including: an imaging element; and readout circuitry configured to: apply a plurality of time-shifted readout taps to a plurality of outputs of the imaging element, wherein the time-shifted readout taps are shifted in time with respect to each other, such that the outputs of the imaging element are read out after one another.

Abstract: The present disclosure generally pertains to time-of-flight demodulation circuitry, configured to: apply, for a predetermined time period, a first modulation signal to a first signal path including a first light detection element; apply, for the predetermined time period, a second modulation signal to a second signal path including a second light detection element; and after the predetermined time period, transfer the first modulation signal from the first signal path to the second signal path and transfer the second modulation signal from the second signal path to the first signal path.

Abstract: An electronic device comprising circuitry, the circuitry comprising a mix driver (MVD) for providing a modulation In signal to pixels of a time of flight pixel chip (P500), and at least one Save and Share current circuitry (51, S2) connected to the mix driver (MVD), wherein the Save and Share circuitry (S1, S2) is configured to save charge provided by a power supply (VDD) in a capacitor (CS1, CS2) and to share the saved charge to the pixels of the time of flight pixel chip (P500). A logic chip (L500) comprises an input (l_in) and a buffer block (CLT500), where a modulation signal (GDA) is supplied to the input (1_in) and is delivered to the pixel chip (P500) via the buffer block (CLT500). Capacitors (CS1, CS2) help the mix driver (MVD) with the charging and discharging, respectively, of the pixel units in the pixel chip (P500). Frequencies used for the modulation signal (GDA) may be in the range of several tens of MHz to several hundreds of MHz.

Abstract: A time-of-flight apparatus having a light detector for detecting light reflected from a scene, wherein the light detector has at least one light detection element; and circuitry configured to acquire light detection events for the at least one light detection element at selected points of time of a set of predetermined number of consecutive times, wherein the selection of the points of time is based on a time compressive sampling.

Abstract: An electronic device comprising circuitry configured to drive a unit pixel for a time of flight camera according to a multi-level mixing clock scheme.

Abstract: An electronic device comprising a clock-gated latch between two routing wires which transport a demodulation signal from a demodulation driver to pixels of a pixel column of a pixel array.

Abstract: Embodiments of the present disclosure include a harmonic power amplifying circuit with high efficiency and high bandwidth and a radio-frequency power amplifier. The circuit comprises an input matching network (11), a transistor (M), and an output matching network (12); a gate of the transistor (M) connected to an output end of the input matching network (11), a drain thereof connected to an input end of the output matching network (12), and a source thereof being grounded; wherein the output matching network (12) enables a lower sideband of the harmonic power amplifying circuit to work in a continuous inverse F amplification mode and an upper sideband of the harmonic power amplifying circuit to work in a continuous F amplification mode; wherein the output matching network (12) and a parasitic network of the transistor (M) form a low pass filter.

Abstract: An electronic device comprising circuity configured to integrate charge collected by at least two floating diffusions on at least one capacitor and to change the direction of charge integration from a first current flow direction to a second current flow direction between a first integration phase and a second integration phase.

Abstract: This application provides a frequency scaling method. The method includes: predicting an energy efficiency parameter for processing a current frame of an image by at least one module; and selecting, from a plurality of frequency sets based on the predicted energy efficiency parameter, a first frequency set that meets an energy efficiency requirement, and scaling a working frequency of each of the at least one module for processing the current frame to a preset frequency corresponding to each of the at least one module. According to the technical solutions provided in the embodiments of this application, a load change requirement can be responded to in time in a frequency scaling process.

Abstract: The invention belongs to the technical field of OCT and provides an OCT image processing device and system. An FPGA is in communication connection with an upper computer via a PCIE interface to receive OCT image data acquired by the upper computer and to carry out image preprocessing on the OCT image data and then send the OCT image data to the upper computer to display. The OCT image data is acquired and displayed by the upper computer and the OCT image data's preprocessing is implemented by the FPGA, so that the processing efficiency of the OCT image data is greatly improved.

Abstract: A millimeter wave security inspection instrument debugging system and a millimeter wave security inspection instrument debugging method, which are used for debugging the imaging definition of a millimeter wave holographic imaging security inspection system. A main control apparatus is used for generating a millimeter wave detection signal and a reference signal. The main control apparatus is also used for, where a millimeter wave transmitting antenna, a millimeter wave receiving antenna and a detected object are respectively located at different relative positions, transmitting the millimeter wave detection signal to the detected object by means of the millimeter wave transmitting antenna, and receiving an echo signal reflected from the detected object by means of the millimeter wave receiving antenna, and then using a holographic image technique to perform three-dimensional imaging according to the reference signal and the echo signal.

Abstract: A time-of-flight apparatus has a light source for emitting a light pulse to a scene; a photo-detection portion for detecting at least the light pulse reflected from the scene within a first photo-detection time interval, wherein the photo-detection portion includes at least one photo-detection element; and a measurement circuitry configured to: drive, within a measurement time interval including the first photo-detection time interval, the at least one photo-detection element for detecting the light pulse reflected from the scene, and drain, within the measurement time interval and after the first photo-detection time interval, electrons from the at least one photo-detection element.

Abstract: A time-of-flight device has a light source configured to emit light pulses to a scene, a light detector configured to detect light reflected from the scene and a control, the control being configured to drive the light source to emit pulse density modulated light pulses representing a predefined light waveform, drive the light detector to detect the pulse density modulated light pulses, based on a demodulation time interval and reconstruct the predefined light waveform, based on the detected density modulated light pulses.

Abstract: This invention provides millimeter wave holographic 3D imaging detection system, which comprises: a transmitting antenna configured to transmit a millimeter wave transmitting signal to an object to be detected; a receiving antenna configured to receive an echo signal from the object to be detected; a millimeter wave transceiving module configured to generate the millimeter wave transmitting signal transmitted to the object to be detected and receive and process the echo signal from the receiving antenna; a scanning device configured to support the millimeter wave transceiving module, the transmitting antenna and the receiving antenna, and move the millimeter transceiving module, the transmitting antenna and the receiving antenna along a preset track, so as to scan the object to be detected with millimeter waves; a data gathering and processing module configured to gather and process the echo signal output from the millimeter wave transceiving module to generate a 3D image of the object to be detected; and an