Shenzhen Goodix Technology Co., Ltd.

Shenhen Huiding Technology Co., Ltd.

Shu Pang

Jinchun Ye

Xiaochun Cai

Hui Huang

Jing Gu

Gengchun Deng

Qin Liu

MengTa Yang

Hongsheng Li

Hongwei Xu

Ting Yin

A light intensity detection method includes: determining whether light intensity detection needs to be performed; detecting whether there is a finger touch in an optical detection region of an optical fingerprint sensor if light intensity detection needs to be performed, wherein the optical detection region is located in at least one part of a display region of a display; enabling a light intensity detection function if no finger touch is detected, and collecting light intensity data by using the optical fingerprint sensor; and processing the collected light intensity data, and calculating a value of current ambient light intensity according to the light intensity data.

Light intensity detection method and apparatus, and intelligent terminal

Embodiments of the present invention relate to the technical field of fingerprint sensor detection, and in particular, relate to a method and system for detecting a thickness of a protection layer of a fingerprint sensor. The method includes the following steps: step a: collecting fingerprint data via a fingerprint sensor, the fingerprint sensor comprising a plurality of chip sensing units, arranged in an array; step b: calculating a derivative of the fingerprint data, normalizing the derivative of the fingerprint data, and calculating an integration according to the normalized derivative of the fingerprint data; and step c: acquiring a thickness of a protection layer of the fingerprint sensor according to the integration result.

Method and system for detecting fingerprint sensor protection layer thickness

A fingerprint sensor and a correction method thereof are provided. The fingerprint sensor includes a sensing part to be touched by a finger, including sensing units, a processing unit, and a correction unit; the sensing unit is configured to sense, when correction starts, a fingerprint signal and output first data; the processing unit is configured to calculate, according to a mathematical model, a new correction coefficient of the corresponding sensing unit by the first data; and the correction unit is configured to correct, according to the new correction coefficient, second data output by the corresponding sensing unit. The fingerprint sensor can automatically modify a correction coefficient when a physical characteristic of the fingerprint sensor changes, thereby reducing the product return rate and prolonging the product service life, omitting a step of correction before delivery, and reducing the manufacturing difficulty and the manufacturing costs.

Fingerprint sensor and correction method thereof

A fingerprint authentication method and system and a terminal supporting a fingerprint authentication are provided. The fingerprint authentication method includes the following steps: a fingerprint receiving step: receiving fingerprint information input by a user; and a fingerprint template matching step: selecting a fingerprint template that has a highest using frequency from fingerprint templates on which matching has not been performed, and matching the fingerprint template with the fingerprint information. A fingerprint authentication succeeds when the fingerprint template matches with the fingerprint information, and the fingerprint template matching step is re-performed when the fingerprint template fails to match with the fingerprint information.

Fingerprint authentication method and system, and terminal supporting fingerprint authentication

Embodiments of the present application provide a method for determining optical sensing correction parameters, a biological feature detection apparatus and an electronic terminal. The method includes: determining a light intensity of this group of optical signals according to output data generated by a plurality of optical sensing units once under irradiation of the same group of optical signals to determine light intensities of a plurality of groups of optical signals; and determining optical sensing correction parameters of the plurality of optical sensing units according to the output data generated by the plurality of optical sensing units once under irradiation of each group of optical signals and the light intensities of the plurality of groups of optical signals.

Method for determining optical sensing correction parameters, biological feature detection apparatus and electronic terminal

A touch terminal, an active stylus detection method, and a system are disclosed. The method includes the following steps: separately scanning, by a touch screen controller, multiple pieces of noise information on multiple operating frequencies of an active stylus of a touch screen; determining, by the touch screen controller, a target operating frequency according to the multiple pieces of noise information; and sending, by the touch screen controller, the target operating frequency to the active stylus, and adjusting an operating frequency of the active stylus to the target operating frequency, so that the active stylus and the touch screen operate jointly at the target operating frequency. In the method, the touch screen controller scans noise information on multiple operating frequencies of the active stylus, so as to determine a target operating frequency of the active stylus, so that the active stylus operates at the target operating frequency.

Determining touch terminal and active stylus target operating frequency according to noise information

A method and system for serial data transmission are provided. The method includes steps of: bit-synchronously receiving N bit binary code data which is transmitted continuously and repeatedly by a transmitting end, wherein the N bit binary code data is N bit binary code data converted from original data by the transmitting end on the basis of a preset rule; performing cyclic left shift or right shift 0 to N&#x2212;1 times on each of the received N bit binary code data, which results in a data set, and obtaining an extreme value in the data set; and decoding the extreme value, which results in the original data transmitted by the transmitting end. With the method and system, a start and an end flags are not needed to be added additionally during the serial data transmission, thus improving the efficiency of the serial data transmission.

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Guangdong, China

Shu Pang