Registers – Coded record sensors – Particular sensor structure
Patent
1988-11-17
1992-07-14
Trafton, David
Registers
Coded record sensors
Particular sensor structure
235462, 235467, G06K 710
Patent
active
051305208
ABSTRACT:
A narrow-bodied, single- and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected beam returning from the symbol, passes unobstructedly and exteriorly of, and past, the front and intermediate body regions of the head. A field-replaceable laser tube arrangement, a laser tube and method of making the same, an arrangement for and method of controlling a scanning system, optical passive elements for increasing the depth of field, a trigger protective device, and a one-piece support bench and method of fabricating the same by mass-production techniques are also disclosed.
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Barkan Edward D.
Shepard Howard M.
Swartz Jerome
Symbol Technologies Inc.
Trafton David
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