Spot film apparatus and method of operating same

Details Spot film apparatus and method of operating same Spot film apparatus and method of operating same

1987-11-30

1990-07-03

Church, Craig E.

X-ray or gamma ray systems or devices

Photographic detector support

For movable film or plate

378175, G03B 4202

Patent

active

049397648

ABSTRACT:
Spot film apparatus which includes a menu-driven microprocessor for producing control signals to position a film cassette as required to carry out operations in a manner shown on a display. The spot film apparatus includes an improved carriage assembly which comprises a pair of opposing holding arms which conform with the film cassette. The opposing holding arms are biased towards each other with a helical spring. Loading of a cassette into the arms is accomplished by moving one arm with a continuous chain drive which supports a pawl-like member projecting therefrom, while maintaining the position of the second arm.

REFERENCES:
patent: 4249079 (1981-02-01), Thomas
patent: 4380333 (1983-04-01), Turner
patent: 4539696 (1985-09-01), Walling et al.
"The C Programming Language", by Brian W. Kernighan and Dennis M. Ritchie, Prentice-Hall, Inc., 1978.

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