X-ray or gamma ray systems or devices – Photographic detector support – For plural exposures on single film or plate
Patent
1982-06-04
1984-12-18
Church, Craig E.
X-ray or gamma ray systems or devices
Photographic detector support
For plural exposures on single film or plate
378181, G03B 4116
Patent
active
044894287
ABSTRACT:
The invention relates to an X-ray spot-film device comprising two sliding-fixtures. The sliding-fixtures serve inter alia, for the measurement of a film cassette. The measurement of the dimensions of the cassette is performed by means of a single strap which is coupled to the sliding fixtures. The effect of the cassette height on a measurable dimension of the strap differs from the effect of the cassette width. Consequently, the measurement also determines whether the cassette has been inserted upright or sideways.
REFERENCES:
patent: 3848134 (1974-11-01), Gieschen et al.
patent: 3976887 (1976-08-01), Holzermer
patent: 3986034 (1976-10-01), Wittkopp
Church Craig E.
Schechter Marc D.
U.S. Philips Corporation
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