Patent · US Active

Laser projection device

US11536949B2 · kind B2 · utility

0Cited by

0References

11Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Alexander Ehlert · Reutlingen, DE
Daniel Kreye · Langenbruck, DE
Hendrik Specht · Rübgarten, DE

Key dates

Filing date	Sep 27, 2018
Grant date	Dec 27, 2022
Priority date	—
Expiry date	Aug 5, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02B26/105
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A laser projection device, including at least one reflector unit having at least one reflector element that is configured to deflect at least one laser beam to be projected, and having at least one drive unit that is configured to excite at least the reflector element into resonant vibration. The laser projection device includes at least one temperature compensation unit, which is configured to acquire a vibrational frequency of at least the reflector element and to ascertain the temperature of the reflector unit from it.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.