Title:
距離測定型光電センサ及び距離測定方法
Document Type and Number:
Japanese Patent JP6752859
Kind Code:
B2
Abstract:
A distance-measuring optoelectronic sensor (10) for detecting and determining a distance of an object (16) in a monitoring area (14), the sensor (10) having a light transmitter (12) for transmitting a transmission signal, a light receiver (18) for generating a reception signal and a control and evaluation unit (24) configured to determine a light time of flight from the reception signal and, from that, the distance of the object (16), wherein the control and evaluation unit (24) is further configured to transmit at least one periodically modulated pulse as a transmission signal, to determine a reception time of the pulse in the reception signal and a phase offset of the modulation between transmission signal and reception signal in a neighborhood of the reception time and to determine the distance of the object (16) from the reception time and the phase offset.
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Inventors:
Martin Mara
Claus Clemens
Claus Clemens
Application Number:
JP2018197516A
Publication Date:
September 09, 2020
Filing Date:
October 19, 2018
Export Citation:
Assignee:
Gick Age
International Classes:
G01S7/487; G01S7/4861; G01S7/4911; G01S7/4913; G01S7/497; G01S17/10
Domestic Patent References:
| JP2000206244A | ||||
| JP2008076131A | ||||
| JP2017026615A |
Foreign References:
| US5889490 | ||||
| EP3124992A1 | ||||
| DE102004041500A1 | ||||
| US20080088818 |
Attorney, Agent or Firm:
Kyoto International Patent Office