Title:
TIME MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/110475
Kind Code:
A1
Abstract:
A time measurement device of the present disclosure comprises: a first light receiving unit that can detect first pulse light corresponding to emitted pulse light emitted by a light emitting unit and second pulse light which is light reflected by a target; a first timing detecting unit that can detect a first light receiving timing of the first pulse light and a second light receiving timing of the second pulse light in the first light receiving unit on the basis of an output signal from the first light receiving unit; a first operation unit that can calculate a first time value by performing subtraction processing on the basis of the first light receiving timing and the second light receiving timing; and a histogram generation unit that can generate a histogram on the basis of a first time value.
Inventors:
HIYAMA HIROKI (JP)
Application Number:
PCT/JP2019/039982
Publication Date:
June 04, 2020
Filing Date:
October 10, 2019
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G01S17/10; G01S7/486
Domestic Patent References:
| WO2018211762A1 | 2018-11-22 |
Foreign References:
| JPH11326515A | 1999-11-26 | |||
| JPH06289136A | 1994-10-18 | |||
| JP2010091377A | 2010-04-22 | |||
| US20160033644A1 | 2016-02-04 | |||
| JPH02181689A | 1990-07-16 | |||
| JP2018059898A | 2018-04-12 | |||
| JP2015117970A | 2015-06-25 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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