System for charging and/or discharging X-ray film sheets into an

Details System for charging and/or discharging X-ray film sheets into an System for charging and/or discharging X-ray film sheets into an

Filed on

1986-09-11

Date issued

1988-11-08

Examiner

Leung, Philip H.

Patent Class

Registers

SubClass

Coded record sensors

SubSubClass

Particular sensor structure

Other Related Categories

235479, 2503272, 414411, G03B 4204

Type

Patent

Status

active

Patent number

047835885

Description

ABSTRACT:
An apparatus for automatic charging and discharging an X-ray film sheet into a cassette includes a bar code reader having an illumination device and a rotary scanning mirror. The cassette is provided on its top with a bar code label which irrespective of the format of the cassette is always located at a fixed distance from a leading edge and from a lateral guiding edge of the cassette. The cassette is insertable into an intake compartment and only after the cassette reaches an end position in the compartment a limit switch activates the scanning mirror and the illumination device of the reader, thus eliminating reading errors when reading bar codes on cassettes of different formats.

REFERENCES:
patent: 4097729 (1978-06-01), Seligman et al.
patent: 4204639 (1980-05-01), Barber et al.
patent: 4498005 (1985-02-01), Oono et al.
patent: 4553369 (1985-11-01), Debes et al.
patent: 4575703 (1986-03-01), Shishido

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