Patent · US Active

Optoelectronic monitor including dynamic testing unit

US7710548B2 · kind B2 · utility

1Cited by

3References

24Claims

0Family size

Assignee

SICK AG · DE

Inventors

Ingolf Braune · Waldkirch, DE
Martin Wuestefeld · Waldkirch, DE

Key dates

Filing date	Oct 22, 2007
Grant date	May 4, 2010
Priority date	—
Expiry date	Aug 4, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04N17/002
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An optoelectronic monitoring device (1) with at least one light source (2) and at least one receiving element (4) which receives light from light source (2) that was reflected by an object. The receiving element determines the distance of the object. A testing unit (5-7) of the monitoring device checks the functionality of the receiving element (4) and modifies light received by the receiving element so that the receiving element (4) receives light which has been falsified by a predetermined or a known amount. A corresponding testing method is also described.

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