Patent classifications
G01S7/00
Ultrasonic probe, and ultrasonic image display apparatus
An ultrasonic probe including ultrasonic vibrators for transmitting ultrasound and a housing for encasing the ultrasonic vibrators. The ultrasonic probe includes a heat dissipation member encased in the housing in thermal connection with the ultrasonic vibrators and housing, and constructed separately from the housing, wherein the heat dissipation member has opposing surfaces and facing inner surfaces of the housing, the opposing surfaces being secured in close contact with the inner surfaces.
Systems and methods for acoustic and/or electromagnetic imaging
A method for use in acoustic imaging, comprising: transmitting, from a transmitter, a first sound wave pulse at a first frequency determined by a maximum sampling rate of a receiver; transmitting at least one second sound wave pulse at a frequency substantially equal to the first frequency, the first and at least one second sound wave pulses being transmitted substantially within a fraction of a sample interval of the receiver; receiving and sampling, at the receiver, a reflection of at least two of the first and at least one second pulses to generate a set of receiver samples; and expanding the set of receiver samples, based on the first frequency and a total number of the first and at least one second pulses transmitted, to generate an expanded sample set with a larger number of samples than the set of receiver samples.
Lidar system and method
A Lidar system is provided. The Lidar system comprises: a set of light sources configured to emit a plurality of light beams; a set of optical fiber elements, wherein each of the set of light sources is optically coupled to a first end of one or more optical fiber elements from the set of optical fiber elements; and at least one mounting unit comprising a structure configured to receive a second end of the set of optical fiber elements at one or more directions thereby affecting a direction of the plurality of light beams individually.
Radar device
A radar device includes: plural unit antennas, each including plural antenna elements configured to transmit or receive a radio wave, the plural antenna elements being aligned in a predetermined direction in a plane and connected by a transmission line. The plural unit antennas include a first unit antenna having plural antenna elements arranged asymmetrically with respect to a virtual straight line parallel to the predetermined direction, the virtual straight line passing through an antenna phase center of the first unit antenna, and a second unit antenna having plural antenna elements arranged asymmetrically with respect to a virtual straight line parallel to the predetermined direction passing through an antenna phase center of the second unit antenna. The plural antenna elements of the second unit antenna are arranged in a manner substantially symmetrical to the plural antenna elements of the first unit antenna with respect to the virtual straight line.
Electronic apparatus and method
An electronic apparatus capable of determining a distance to an object based on at least first reflected light provided by a reflection of first pulsed light on the object and second reflected light provided by a reflection of a second pulsed light on the object has an input terminal to receive an electrical signal of intensity of reception light, and processing circuitry to specify, based on the electrical signal, a first duration from when the first pulsed light is emitted until when the first reflected light is received within a first measurement range, and determine, based on the first duration, a second measurement range of the second reflected light, specify, a second duration from when the second pulsed light is emitted until when the second reflected light is received within the second measurement range, and determine the distance from the electronic apparatus to the object.
ESA collision avoidance system and method
A system and method for cooperative aerial vehicle collision avoidance provides an ESA-based sensor network capable of high-resolution threat proximity measurements and cooperative and non-cooperative collision avoidance in the full spherical volume surrounding an aerial vehicle. The system incorporates a plurality of ESA panels onto the airframe where the conical scan volumes overlap leaving no gaps in spherical proximity coverage. The resulting received data is stitched together between the neighboring ESA panels and used to determine a position and vector for each threat aerial vehicle within range. The data is transmitted through a cooperative collision avoidance network to nearby aerial vehicles, and presented to the autopilot and flight crew to increase situational awareness. The system determines a maneuver for the aerial vehicle and a maneuver for the threat aerial vehicle based on relative maneuvering capabilities to maintain desired separation.
Method and apparatus for communication and sensing in wireless communication network operating in half-duplex mode
Methods and apparatus are provided for integrated communication and sensing. For example, an electronic device may transmit a radio frequency (RF) pulse signal in the active phase of a periodic sensing cycle, and sense in the passive phase of the sensing cycle, a reflection of the RF pulse signal reflected from an object. The RF pulse signal is defined by a waveform for carrying communication data between electronic devices. The sensed RF pulse signal is at least a portion of the transmitted or reflected RF pulse signal, wherein the portion is equal to or greater than a threshold value for the object being within a sensing range of the first electronic device. The electronic device may also receive a communication signal from another electronic device during the passive phase.
Dual Purpose Millimeter Wave Frequency Band Transmitter
Systems, apparatuses, and methods for implementing a dual-purpose millimeter-wave frequency band transmitter are disclosed. A system includes a dual-purpose transmitter sending a video stream over a wireless link to a receiver. In some embodiments, the video stream is generated as part of an augmented reality (AR) or virtual reality (VR) application. The transmitter operates in a first mode to scan and map an environment of the transmitter and receiver. The transmitter generates radio frequency (RF) signals in a first frequency range while operating in the first mode. Additionally, the transmitter operates in a second mode to send video data to the receiver, and the transmitter generates RF signals in the first frequency range while operating in the second mode.
RADAR LEVEL GAUGE SYSTEM AND METHOD WITH TRANSMISSION LINE PROBE AND STEPPED FREQUENCY SWEEP
A method of determining a filling level of a product in a tank, comprising the steps of: generating an electromagnetic transmit signal exhibiting a measurement sweep across a time series of piece-wise constant frequencies being within a measurement frequency range starting at a first frequency, and ending at a second frequency higher than the first frequency, a difference between frequencies in each pair of adjacent frequencies in the frequency range being equal to the first frequency; guiding the transmit signal towards and into the product in the tank; guiding an electromagnetic reflection signal back towards the transceiver; mixing the reflection signal with an electromagnetic reference signal, resulting in a mixer output indicative of a difference between the reflection signal and the reference signal; forming a measurement signal based on the mixer output; and determining the filling level based on the measurement signal.
VEHICLE TO VEHICLE COMMUNICATION USING RADAR
The subject disclosure relates to techniques for enabling vehicle to everything communication. A radar sensor of the disclosed technology can include at least one memory and at least one processor coupled to the at least one memory. The at least one processor can be configured to receive a radar signal having radar data and message data, disaggregate the radar data and the message data using a heterodyne mixer, and provide the radar data to a radar signal processor via a waveform correlator.