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.
Patent No.:
Date of Patent:
Jun. 17, 2025
Filed:
Jun. 20, 2023
Robert Bosch Gmbh, Stuttgart, DE;
Patrick Tritschler, Engen, DE;
Torsten Ohms, Vaihingen/Enz-Aurich, DE;
ROBERT BOSCH GMBH, Stuttgart, DE;
Abstract
An optical rotation rate sensor. The sensor includes a laser light source for generating weak light pulses, optically connected to a photonic waveguide, optically connected to a first interference coupler that includes a first input and two first outputs, optically connected to a second interference coupler that includes two second inputs and two second outputs, optically connected to at least one first sensor waveguide for showing the Sagnac effect, optically connected to a third interference coupler that includes two third inputs and two third outputs, optically connected to two photodetectors, the photonic waveguide, the first interference coupler, the second interference coupler, the third interference coupler and the sensor waveguide being integrated on a shared substrate.