Registers – Coded record sensors – Particular sensor structure
Patent
1989-07-27
1990-11-20
Arnold, Bruce Y.
Registers
Coded record sensors
Particular sensor structure
235467, 235472, 250566, 250568, G02B 2608
Patent
active
049714104
ABSTRACT:
A self-contained optical scanning unit for use in a bar code scanner includes a motor driven hollow drive shaft through which is projected a laser light beam from a laser source positioned adjacent one end of the drive shaft. Mounted on the other end of the drive shaft is an optical transceiver which includes a deflecting portion which deflects the laser light beam outwardly towards a ring of mirrors which forms a scanning pattern for scanning a coded indicia and a collection portion which collects the reflected light beams from the coded indicia and directs the light beams at a detecting member. The collection portion of the transceiver is orientated obliquely across the spin axis of the drive shaft while the deflection portion is oriented obliquely to the spin axis and to the face of the collection portion. The detection member is located on the spin axis between the transceiver and the coded indicia.
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Aleshire Rex A.
Wike, Jr. Charles K.
Arnold Bruce Y.
Hawk Jr. Wilbert
Lavin Richard W.
NCR Corporation
Ryan J. P.
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