Title:
DISTANCE MEASUREMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/189910
Kind Code:
A1
Abstract:
A distance measurement system (10) to be used in a background light environment comprises a light emission unit (101) that emits pulsed light (AA), a light reception unit (102) that receives light (BB) reflected by an object (60), a control unit (103) that controls the operations of the light emission unit (101) and the light reception unit (102), and a distance calculation unit (105) that calculates a distance to the object (60). The control unit (103) changes a product of the light intensity, pulse width, and pulse count of the pulsed light (AA) according to a power function for which the distance to be measured is used as a variable, the exponent of the power function being set to be larger than 3 and equal to or smaller than 4.
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Inventors:
INOUE AKITO
KUNIKYO TAIKI
KUNIKYO TAIKI
Application Number:
PCT/JP2023/011141
Publication Date:
October 05, 2023
Filing Date:
March 22, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01C3/06; G01S7/484; G01S7/486; G01S17/10
Domestic Patent References:
| WO2020170969A1 | 2020-08-27 | |||
| WO2021193645A1 | 2021-09-30 |
Foreign References:
| JP2002311138A | 2002-10-23 | |||
| JP2015219120A | 2015-12-07 | |||
| JP2021515199A | 2021-06-17 | |||
| US6603507B1 | 2003-08-05 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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