Device and method for detecting an object or a person in the...

Details Device and method for detecting an object or a person in the... Device and method for detecting an object or a person in the...

2006-04-04

2006-04-04

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S205000

Reexamination Certificate

active

07022970

ABSTRACT:
The invention relates to a device and a method for detecting an object or a person is received. The receiving power is permanently detected. The laser light pulse is switched off when a threshold value that matches sufficient receiving power is obtained.

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