Device for optical code reading, by diascopy, and a process for

Details Device for optical code reading, by diascopy, and a process for Device for optical code reading, by diascopy, and a process for

1984-10-17

1987-02-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250239, G01D 534

Patent

active

046441581

ABSTRACT:
The device comprises a metal chassis (2a) bent into a U shape and cut out with a light support (17), a support for a fluid tight box, including within the box an integrated circuit chip (27), and an indented lateral flange (22, 23, 24); the light source is shown at (34). The chassis (2a) with the light source and the box in position is fixed by means of the holes (21, 21a, 20, 20a) to the fixed part (37), when the coded disk (39) integral with the rotary shaft (38) is in position between the source (34) and the chip (27).

REFERENCES:
patent: 4275307 (1981-06-01), Struger
patent: 4446367 (1984-05-01), Babsch et al.
patent: 4476457 (1984-10-01), Kondo

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