Rotary touch scanner

Details Rotary touch scanner Rotary touch scanner

1997-08-27

1998-11-10

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235454, 235467, G06K 710

Patent

active

058347526

ABSTRACT:
A rotary touch scanner for reading a bar code pattern includes: an outer frame formed with an opening portion, a rotary ring rotatably housed in the outer frame, a plurality of convex lenses mounted on an outer periphery of the rotary ring at regular angular intervals, rotary ring rotating device associated with the rotary ring, and a light receiving element disposed at a center of the rotary ring and having a light receiving surface directed to the opening portion of the outer frame; light scattered from a bar code label disposed in front of the opening portion of the outer frame being condensed and further focused onto the light receiving surface of the light receiving element as a real image through one of the convex lenses rotated by the rotary ring rotating device, continuously.

REFERENCES:
patent: 3689744 (1972-09-01), Wildhaber
patent: 4692603 (1987-09-01), Brass et al.
patent: 4939356 (1990-07-01), Rando et al.
patent: 5039184 (1991-08-01), Murakawa et al.
patent: 5291319 (1994-03-01), Harris
patent: 5559320 (1996-09-01), Loya
patent: 5637854 (1997-06-01), Thomas
patent: 5705799 (1998-01-01), Li

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