Wistron Corporation

Yin-Yu Chen

Yao-Tsung Chang

Chuan-Yen Kao

Sheng-Lun Chiou

Chen-Yu Chou

Yao-Shun Tseng

Chih-Wei Lee

Kai-Jen Cheng

Wen-Chieh Wu

Te-Lung Wu

Ming-Feng Tsai

Tsung-Yin Tsou

Hsiang-Min Chan

Chih-Cheng Lin

Yu-Lun Teng

Joseph Chong

Fang-Ming Wu

Jye-Hong Chen

King-Leong Li

Kai Jen Cheng

Cheng-Nung Liao

Ching-Han Chang

A radar detection system and a radar field of view (FOV) direction adjustment method are provided. A processing unit of the radar detection system performs the following steps in one scanning round: obtaining at least one cluster of a current frame and a current status and a next status of each cluster based on digital feedback signals; and determining a displacement, determining, based on the current status of a tracked cluster in the at least one cluster and the displacement, whether the tracked cluster is located on an edge of a current FOV of a radar unit, and sending a control signal based on the next status of the tracked cluster in response to the tracked cluster being located on the edge of the current FOV, to adjust an FOV direction of the radar unit.

Radar detection system and radar field of view direction adjustment method

A monitoring radar and a monitoring and identification method therefor are provided. The monitoring radar may be a physiological information monitoring radar. The monitoring and identification method may be a physiological information monitoring and identification method. The physiological information monitoring radar processes at least one reflected radar signal to obtain a response characteristic and range information corresponding to each of a plurality of to-be-monitored objects and distinguishes the response characteristic of each of the to-be-monitored objects as identification information or physiological information. The physiological information monitoring radar then labels each piece of physiological information according to the range information and the identification information.

Physiological information monitoring and identification method, characterization information monitoring and identification method, and physiological information monitoring radar

An apparatus and a method for detecting heartbeat include a sensor configured to detect displacements of an object without contacting the object wherein the object displaces corresponding the a human's heartbeat, a data processing unit configured to extract a feature dataset from the detected displacement data, and a neural network configured to inference inter beat intervals from the extracted feature dataset using a pre-trained model.

Systems and methods for touchless detection of heart rate variability

A Doppler radar apparatus, including a transmitter, a receiver, and a processor, is provided. The transmitter transmits a radio frequency signal to a field. The receiver is coupled to the transmitter and receives a reflected signal corresponding to the radio frequency signal from the field. The processor is coupled to the receiver and is configured to detect a target in the field according to the reflected signal. In response to the target not being detected in the field, the processor switches to a power saving mode according to workload reduction information, and workload of the radio frequency signal in the power saving mode decreases based on the workload reduction information.

Doppler radar apparatus and power saving method thereof

A non-contact exercise vital sign detection method is provided. At least one candidate position having an energy intensity exceeding an energy threshold is pre-selected from a vibration frequency map, and a position having a vibration frequency meeting a vital sign parameter range is then selected as a target position from the at least one candidate position. Accordingly, phase data obtained according to the target position facilitates accurate detection of a vital sign parameter of a subject.

Non-contact exercise vital sign detection method and exercise vital sign detection radar

A frequency modulated continuous wave radar system includes at least one identity tag, respectively disposed next to at least one test subject; and a frequency modulated continuous wave radar identity recognition device, including an identity recognition control module, for controlling a test identity tag of the at least one identity tag to be turned on to generate a specific tag reflection signal corresponding to an identity frequency in response to a chirp signal; and a frequency modulated continuous wave radar, for transmitting the chirp signal and receiving at least one reflection signal of the at least one test subject and the specific tag reflection signal in response to the chirp signal, to calculate and determine that the specific tag reflection signal and a specific reflection signal of the at least one reflection signal are corresponding to an adjacent position information. The specific reflection signal is corresponding to test subject information.

Frequency modulated continuous wave radar system and identity and information detection method thereof

A wearable device and a method of operating the same are provided. The wearable device includes a shoe assembly, a plurality of pressure sensors, a processing circuit and an alarm module. The plurality of pressure sensors are disposed on the shoe assembly and configured to generate a plurality of pressure sensing values. The processing circuit is configured to calculate a center of gravity coordinate according to the plurality of pressure sensing values and coordinates of the plurality of pressure sensors, and generate a determination result according to the center of gravity coordinate. The alarm module is configured to output an alarm signal to perform an alarm function.

Wearable device and method of operating the same

A vital-sign detecting system includes radio-frequency (RF) tags disposed on detected subjects respectively, one of the RF tags being turned on and generating an incident RF signal with a predetermined frequency, and the incident RF signal projecting on a corresponding detected subject to generate a corresponding reflected RF signal; and at least one radio-frequency identification (RFID) radar that turns on one of the RF tags, demodulates the reflected RF signal to obtain vital signal of the corresponding detected subject, and identifies the detected subject according to the turned-on RF tag.

Vital-sign detecting system and method

A vital-sign detecting system includes radio-frequency (RF) tags disposed on detected subjects respectively, the RF tags respectively generating incident RF signals with different predetermined frequencies, and the incident RF signal projecting on a corresponding detected subject to generate a corresponding reflected RF signal; and at least one RF radar that demodulates the reflected RF signal to obtain vital sign of the corresponding detected subject, and identifies the detected subject according to associated frequency of the reflected RF signal.

A live facial recognition method and system includes capturing a visual image and obtaining temperature information of a person under recognition, and deriving facial features according to the visual image; comparing the facial features of the visual image with corresponding facial features of a facial feature database to obtain a difference therebetween; determining whether facial temperature conforms to a live facial recognition criterion according to the temperature information, if the difference is less than a predetermined threshold value.

Live facial recognition method and system

A cable structure includes isolation layers, a first signal wire, a second signal wire, a first ground wire, a second ground wire, a first conductor, and a second conductor. These signal and ground wires are parallel along a first direction and between the isolation layers. These signal wires are adjacent, and the ground wires are respectively at outer sides of these signal wires. The first conductor is on at least one of the isolation layers along a second direction orthogonal to the first direction and is electrically connected to the first and second ground wires. The second conductor is on an outer surface of at least one of the second isolation layers along the first direction and is electrically connected to the first conductor. The second conductor is symmetrical based on a central line between the first and second signal wires.

Cable structure

A cable including a first insulating layer, a twisted pair, a ground structure, and at least one conducting element is provided. The twisted pair is disposed in the first insulating layer and includes two signal wires, wherein the two signal wires are intertwisted to each other. The ground structure is disposed at the first insulating layer. The conducting element includes a main body portion and at least one extending portion. The main body portion is disposed in the twisted pair to be surrounded by the two signal wires. The extending portion is connected to the main body portion and grounded to the ground structure.

Cable

A common mode filter includes a ground element, a transmission line pair and an extension element, which are disposed in first to third signal layers of a circuit board. The ground element includes a ground portion and a first ground line electrically connected with each other. The first ground line is disposed in a slot of the ground portion, and extends from a bottom portion to an opening of the slot. An orthogonal projection of the transmission line pair on the first signal layer is partially overlapped with an orthogonal projection of the ground portion on the first signal layer. The orthogonal projection of the transmission line pair on the first signal layer is not overlapped with an orthogonal projection of the first ground line on the first signal layer. The extension element is electrically connected to the first ground line through at least one conductive via.

Common mode filter

A power supply system with a variable supply voltage is provided. The power supply system includes a power adaptor, a battery unit, a switching circuit, and a main equipment. The power adaptor is suitable for producing a power voltage. The switching circuit selects the power adaptor or the battery unit for powering the main equipment. Wherein, the power adaptor adjusts the power voltage according to whether the battery unit performs a charge operation.

Power supply system with variable supply voltage

An electronic device includes: a touch controller, periodically providing a touch sensing signal in a touch sensing period to a touch display panel for touch detection; a control core, periodically switching a level of a parallax switching signal; a parallax switching barrier, for respectively barricading a right-eye display zone and a left-eye display zone on the touch display panel in a left-eye display period and a right-eye display period in response to the parallax display switching signal; and an interference shielding module, for delaying the level switching of the parallax switching signal of the control core when a starting point of the touch sensing signal is detected, so as to prevent the level switching of the parallax switching signal from being triggered in the touch sensing period.

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Taipei, Taiwan

Yin-Yu Chen