Title:
OPTICAL SENSOR, RANGING SYSTEM BASED ON TIME OF FLIGHT, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/068156
Kind Code:
A1
Abstract:
An optical sensor, a ranging system (100) based on time of flight, and an electronic apparatus (400). The sensor is used for sensing a reflection signal (RL) produced by a target object (101) reflecting an optical pulse signal (EL) sent by an optical pulse producing unit (102), the sensor comprising a pixel array (104) comprising a plurality of pixels, each pixel (204) amongst the plurality of pixels comprising: a photodiode (PD), a first charge output circuit (2041), a second charge output circuit (2042), and a sampling circuit (2043), and the sampling circuit (2043) comprising: a first capacitor (C1), a sampling switch (MH), and a second capacitor (C2).
Inventors:
YANG MENG-TA (CN)
Application Number:
PCT/CN2019/110336
Publication Date:
April 15, 2021
Filing Date:
October 10, 2019
Export Citation:
Assignee:
SHENZHEN GOODIX TECH CO LTD (CN)
International Classes:
G01S7/4865; G01S17/08; G01S17/89; H04N5/235
Foreign References:
| CN110168398A | 2019-08-23 | |||
| CN108064446A | 2018-05-22 | |||
| CN208028993U | 2018-10-30 | |||
| CN107247269A | 2017-10-13 | |||
| JP2005127835A | 2005-05-19 | |||
| CN202261578U | 2012-05-30 |
Attorney, Agent or Firm:
TIANTAI LAW FIRM (CN)
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