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Patent Searching and Data


Title:
DISTANCE MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/059638
Kind Code:
A1
Abstract:
A distance measurement device (1) for measuring the distance to an object in a distance measurement area (A1), the device comprising a light projection unit (10) for projecting projection light onto the distance measurement area, a light reception unit (20) for receiving light from the distance measurement area and outputting a detection signal, a control unit (31) for causing the light projection unit (10) to emit a plurality of pulses in a unit measurement period, and a distance calculation unit (35) for comparing, in the unit measurement period, pulse emission signals for pulse emission and pulse reception signals based on the detection signal and calculating the distance to the object on the basis of a pulse emission signal and pulse reception signal set having matching pulse widths.

Inventors:
UENO HIROTAKA
Application Number:
PCT/JP2020/025241
Publication Date:
April 01, 2021
Filing Date:
June 26, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01C3/06; G01S7/487; G01S7/497; G01S17/10
Domestic Patent References:
WO2016013242A12016-01-28
Foreign References:
JPH07229967A1995-08-29
KR20190041850A2019-04-23
JP2006240593A2006-09-14
JPH06235765A1994-08-23
JPH1020035A1998-01-23
JPS61149879A1986-07-08
Attorney, Agent or Firm:
SHIBANO, Masanori et al. (JP)
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