Object detecting apparatus having a current adjuster for...

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems

Reexamination Certificate

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Details

C250S2140RC

Reexamination Certificate

active

11076304

ABSTRACT:
An object detecting apparatus detects an object by using a laser beam emitted from a laser diode. The apparatus has a current adjuster. An amount of electric current supplied from the current adjuster to the laser diode is controlled to change an intensity of the laser beam, and is adjusted by a feedforward control based on a signal from a temperature sensor in the apparatus to compensate a drift of the laser diode characteristics.

REFERENCES:
patent: 5506400 (1996-04-01), Honma et al.
patent: 9-243729 (1997-09-01), None
patent: 10-239432 (1998-09-01), None
patent: 2002-031685 (2002-01-01), None
Office Action dated Jun. 14, 2007 for corresponding Chinese Application No. 2005100541215 and English translation thereof.
Office Action for corresponding Chinese Application No. 2001100541215 dated Jul. 10, 2006 and English translation thereof.

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