Title:
TIME MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/225224
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide a time measurement device which can reduce power consumption. The time measurement device (1) of the present disclosure is provided with: pixels (PZ) each having a light receiving element (31) and being able to generate a pulse signal (a pixel signal SIG) including logical pulses on the basis of a light reception result in the light receiving element; a timing detection unit (a counter unit 123) which can detect a light reception timing at the light receiving element on the basis of the pulse signal; a pulse number detection unit (a time measurement unit 124) which can detect the number of pulses of the logical pulses included in the pulse signal; and a control unit (27) which can control an operation of a light source (11) that emits a plurality of light pulses on the basis of the number of pulses.
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Inventors:
NISHINO TATSUKI (JP)
Application Number:
PCT/JP2019/016254
Publication Date:
November 28, 2019
Filing Date:
April 16, 2019
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G01S7/4863; G01C3/06; G01S7/4865; G01S17/10; G01S17/89; G01S17/894
Domestic Patent References:
| WO2015075926A1 | 2015-05-28 |
Foreign References:
| JP2016151458A | 2016-08-22 | |||
| JP2010091377A | 2010-04-22 | |||
| JP2017083243A | 2017-05-18 | |||
| JP2018077071A | 2018-05-17 | |||
| US20170097417A1 | 2017-04-06 | |||
| JP2010091377A | 2010-04-22 | |||
| JP2018099515A | 2018-06-28 |
Other References:
See also references of EP 3805795A4
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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