X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1987-06-29
1989-07-04
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
378117, 378108, H05G 142
Patent
active
048457710
ABSTRACT:
A system and method for monitoring progress of a radiographic exposure is disclosed. The system samples the cumulative radiation as an exposure progresses, and aborts the exposure if the rate of rise in cumulative radiation is insufficiently low to cause a good exposure. Similarly, the system will terminate an exposure early, at a properly timed out interval, even if the radiation accumulation rises excessively fast due to an erroneous system set up.
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Fike Susan L.
Wislocki Nicholas C.
Church Craig E.
Freeman John C.
Picker International Inc.
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