Autofocusing system for a laser transmitter

Details Autofocusing system for a laser transmitter Autofocusing system for a laser transmitter

Filed on

1997-04-11

Date issued

1999-02-02

Examiner

Healy, Brian

Patent Class

Coherent light generators

SubClass

Particular resonant cavity

SubSubClass

Specified cavity component

Other Related Categories

372 9, 372 20, 372 24, 372 25, 372 92, 372101, 235462, 235454, 235463, 235466, H01S 308, G06K 710

Type

Patent

Status

active

Patent number

058675221

Description

ABSTRACT:
An autofocusing system for a laser transmitter is provided. A laser beam is swept across a target having a plurality of sections. The target includes a first reflective section and a second reflective section with a non-reflective section positioned therebetween. A photodetector detects a signal representative of the laser beam reflected from the target. The laser beam is focused by adjusting the focusing lens until a ratio of the duration of the non-reflective portion of the signal to the sum of the durations of the reflective portions of the signal is maximized.

REFERENCES:
patent: 5122644 (1992-06-01), Hasegawa et al.
patent: 5302812 (1994-04-01), Li et al.
patent: 5440111 (1995-08-01), Eastman et al.
patent: 5479011 (1995-12-01), Rudeen et al.
patent: 5703351 (1997-12-01), Meyers

Affiliated with

Also associated with

Rating

Autofocusing system for a laser transmitter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Autofocusing system for a laser transmitter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Autofocusing system for a laser transmitter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1124438