Laser beam scanner

Details Laser beam scanner Laser beam scanner

1992-01-03

1993-06-01

Pitts, Harold

Registers

Coded record sensors

Particular sensor structure

235454, 235467, 235470, 235472, G06K 710

Patent

active

052162303

ABSTRACT:
A laser beam scanner for use in a code reader or the like including more than two optical-path-length changing units inserted in the beam path to change the optical path length of the beam between the beam emitting unit and the scanning unit such that the distance from the scanner to the focal point of the beam can be changed. The optical-path-length changing units are controlled by a control unit which receives an output from a distance measuring unit. The distance measuring unit measures the distance from the laser beam scanner to the object to be scanned and indicates to the control unit to adjust the optical-path-length so that the focal point of the beam is at the same distance as the object to be scanned.

REFERENCES:
patent: 4918415 (1990-04-01), Hashimoto
patent: 4920255 (1990-04-01), Gabeler

Affiliated with

Also associated with

Rating

Laser beam scanner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Laser beam scanner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser beam scanner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1816520