X-ray examining device with automatic timer and film container f

Details X-ray examining device with automatic timer and film container f X-ray examining device with automatic timer and film container f

1976-12-16

1978-10-17

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

250402, 250476, G01J 142

Patent

active

041211049

ABSTRACT:
X-ray examination apparatus includes means for terminating an exposure at a dose determined, in part, by the value of the tube voltage and the characteristics of the intensifying screen in use. Means are provided to read screen-identifying markings on film cassettes and to adjust the turn-off dose level in response thereto.

REFERENCES:
patent: 2829273 (1958-04-01), Fransen
patent: 3604935 (1971-09-01), Nather
patent: 3725659 (1973-04-01), Culley
patent: 3805071 (1974-04-01), Frank
patent: 3809901 (1974-05-01), Szalanczy et al.
patent: 3942016 (1976-03-01), Schatz
patent: 4032784 (1977-06-01), Rich

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