Pen type optical reading device having plural lens arrangement

Details Pen type optical reading device having plural lens arrangement Pen type optical reading device having plural lens arrangement

1991-01-17

1992-11-10

Levy, Stuart S.

Registers

Coded record sensors

Particular sensor structure

G06K 710

Patent

active

051626403

ABSTRACT:
A hand-held optical reading device which is gripped by an operator's hand to scan and read bar codes optically indicated on a medium. The device comprises an outer case shaped into the tubular form and having an opening formed in the circumferential surface thereof and an end opening formed at the end face thereof, light emitting and receiving elements accommodated in the outer case for detecting information optically recorded on the medium, a push-button switch for instructing to start a detection operation of the light emitting and receiving elements, an operating button having an operating portion accommodated in the opening to be capable of being depressed inwardly through the opening to transmit a depressing force to the push-button switch, and also having a slip-off checking portion to prevent the operating button from slipping off through said opening, a depressing portion provided on the operating button to be abutted against a movable actuating portion of the push-button switch member, and an inclined portion provided on the operating button in crossed relation to the depressing portion and also inclined in the direction in which the push-button switch is inserted and assembled from the opening at the end face of the outer case. The device is improved in the assembling facility and the structural reliability of the assembly.

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patent: 4748319 (1988-05-01), Sasaki et al.
patent: 4855582 (1989-08-01), Bayley

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