X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1980-07-28
1982-09-14
Smith, Alfred E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
250369, 358106, 358111, A61B 600, H04N 718
Patent
active
043497390
ABSTRACT:
The detector signal in an X-ray scanning system is electronically analyzed; when the system resolves an object too small to be visualized when displayed in a standard shadowgraphic format on a cathode ray tube, a generated marker appears on the cathode ray tube display representative of the object's location and size/density.
REFERENCES:
patent: Re28544 (1975-09-01), Stein et al.
patent: 3030442 (1962-04-01), Brandle et al.
patent: 3958078 (1976-05-01), Fowler
American Science and Engineering, Inc.
Grigsby Thomas N.
Smith Alfred E.
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