Focaltech Systems Co., Ltd.

Guangdong Meizhi Compressor Co., Ltd.

Guangzhou Automobile Group Co., Ltd.

Xsail Technology Co., Ltd

Meizhou Jiangnan Electric Appliance Co., Ltd.

Chao Chen

Hui Liu

Bo Jiang

Mao Yang

Ting Chen

Weijing Hou

Longhua Huang

Meng-Hao Feng

Qiang-Fei Xie

Jichen Cai

Jinzhou Sha

Dongjian He

Tianlai Wu

Zhifeng Chen

A drowsy driving detection method comprises: acquiring a side face image of a currently seated driver collected by a camera module; performing face recognition on the side face image to obtain side face feature parameters, and determining, according to the side face feature parameters, whether an ID file corresponding to the currently seated driver exists in a driver ID library; and if yes, periodically acquiring a side face image of the driver in the current period collected by the camera module, obtaining eye movement feature parameters of the driver in the current period according to the side face image of the current period, and determining whether the driver is driving while drowsy according to a comparison result between the eye movement feature parameters of the current period and the normal eye movement feature parameters of the driver.

Drowsy driving detection method and system thereof, and computer device

Fidget toy

Water table

Sit and spin toy

A nut, an electronic expansion valve, a stop structure of the electronic expansion valve, and a refrigeration device are provided. The nut has a pipe body and a connection seat. An outer peripheral wall of a first end of the pipe body is provided with a limiting snap protrusion. The connection seat is connected to the first end of the pipe body. A first avoidance interval is provided between the limiting snap protrusion and the connection seat for installing a first stop of the spring guide rail.

Nut, electronic expansion valve and stop structure thereof, and refrigeration device

Toy bow

A stator assembly, an electronic expansion valve, and a refrigeration device are provided. The stator assembly has a housing, a coil assembly and a fixing member. An outer surface of the housing is provided with an installation opening. The coil assembly is provided in the housing, and has a shell for mounting a coil. The fixing member is inserted through the installation opening to be fixedly connected with the shell, and the is configured to connect with the conducting tube of the electronic expansion valve to electrically conduct the shell and the conducting tube.

Stator assembly, electronic expansion valve and refrigeration device

An audio processing device for speech recognition is provided, which includes a memory circuit, a power spectrum transfer circuit, and a feature extraction circuit. The power spectrum transfer circuit is coupled to the memory circuit, reads frequency spectrum coefficients of time-domain audio sample data from the memory circuit, generates compressed power parameters by performing a power spectrum transfer processing and a compressing processing according to the frequency spectrum coefficients, and writes the compressed power parameters into the memory circuit. The feature extraction circuit is coupled to the memory circuit, reads the compressed power parameters from the memory circuit, generates an audio feature vector by performing mel-filtering and frequency-to-time transfer processing according to the compressed power parameters. The bit width of the compressed power parameters is less than the bit width of the frequency spectrum coefficients.

Audio processing device for speech recognition

An electronic device and a single-layer mutual-capacitance touch screen are provided. The touch screen includes multiple sensing electrode groups disposed in a first direction in parallel, multiple bonding pads, multiple first lead wires and multiple second lead wires. The sensing electrode group includes a first unit including multiple first electrodes and a second unit including multiple electrode pairs. The electrode pair includes a second electrode at a first side of the first unit and a third electrode at a second side of the first unit. The first lead wires and the second lead wires connect the first electrodes and the electrode pairs with corresponding bonding pads respectively. In any two adjacent electrode pairs, adjacent ends of both two second electrodes and two third electrodes are opposite to the first electrode in the first direction.

Electronic device and single-layer mutual-capacitance touch screen thereof

Cover for lamp holder

An electronic apparatus and a single-layer multi-point mutual capacitive touch screen thereof are disclosed. The single-layer multi-point mutual capacitive touch screen includes: multiple sensing electrode groups, where each sensing electrode group includes a first electrode unit and a second electrode unit extending in the second direction, the first electrode unit includes multiple first electrodes arranged in the second direction, the second electrode unit includes at least one second electrode; multiple bonding pads arranged in the first direction, where first electrodes and second electrodes of the multiple sensing electrode groups are respectively connected to corresponding bonding pads; multiple first lines configured to connect the first electrodes to corresponding bonding pads; and multiple second lines configured to connect the second electrodes to corresponding bonding pads, where for a same first electrode unit, a first electrode is partially arranged opposite to an adjacent electrode in the first direction.

Electronic apparatus and single-layer multi-point mutual capacitive touch screen thereof

Growing community of inventors

Guangdong, China

Chao Chen