The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 18, 2023

Filed:

Jul. 30, 2018
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Peter Degenfeld-Schonburg, Renningen, DE;

Fabian Utermoehlen, Lippstadt, DE;

Stefan Leidich, Rutesheim, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 7/481 (2006.01); G01S 17/26 (2020.01); G01S 7/4861 (2020.01); G01S 7/4865 (2020.01); G02F 1/35 (2006.01); G02F 1/355 (2006.01); G02F 1/39 (2006.01);
U.S. Cl.
CPC ...
G01S 7/481 (2013.01); G01S 7/4817 (2013.01); G01S 7/4861 (2013.01); G01S 7/4865 (2013.01); G01S 17/26 (2020.01); G02F 1/3501 (2013.01); G02F 1/3534 (2013.01); G02F 1/3551 (2013.01); G02F 1/39 (2013.01); G02F 1/3507 (2021.01);
Abstract

A method for providing a detection-signal for objects to be detected—at least a first and second light-beam including different frequencies being generated with a first optical non-linear 3-wave-process from a light-beam of a light-source including an output-frequency, and the first light-beam including a reference-frequency being detected, and the second light-beam including an object-frequency being emitted and received after reflection on an object, and the light-beam including the output-frequency and the second light-beam including the object-frequency being superposed, and a reference-beam including a reference-frequency being generated with a second optical non-linear 3-wave-process from the two superposed light-beams including the output-frequency and including the object-frequency, and a detection-signal being generated so that the object-distance is determinable due to the aforementioned superposition based on the time-difference between the detection of the first light-beam including the reference-frequency and a detection of a change of the reference-beam including the reference-frequency.


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