Scintillation camera

Details Scintillation camera Scintillation camera

1981-05-18

1984-08-28

Wise, Edward J.

Boots, shoes, and leggings

364414, 250363R, 250369, G01T 120

Patent

active

044687443

ABSTRACT:
In a scintillation camera having apparatus for shortening waveforms, a regulating circuit for preventing display of signals representing unwanted .gamma. rays having excessive intensity including a device for comparing the peak of the shortened waveform representing the total light energy received by the camera from the .gamma. ray with a preset reference range between an upper limit and the saturation level of the pre-amplifiers of the camera and for generating a signal while the total light energy exceeds the reference range, a circuit for generating an output for a predetermined time after the signal ceases and an AND gate for blocking access to the display during the period of the output.

REFERENCES:
patent: 3011057 (1961-11-01), Anger
patent: 4060730 (1977-11-01), Zioni et al.
patent: 4075485 (1978-02-01), Lijewski et al.
patent: 4258428 (1981-03-01), Woronowicz
patent: 4316257 (1982-02-01), Medico et al.

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