Apparatus for recording a radiation image of an object on a stim

Details Apparatus for recording a radiation image of an object on a stim Apparatus for recording a radiation image of an object on a stim

1986-06-05

1989-08-01

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

378 21, 378 22, 378 23, 378 27, G01T 2304

Patent

active

048535400

ABSTRACT:
A radiation image recording apparatus comprises a radiation source for emitting a radiation to an object, a device for moving the radiation source to change the irradiation angle, a sheet changer for feeding a stimulable phosphor sheet to an image recording position exposed to the radiation passing through the object to have a radiation image of the object stored on the stimulable phosphor sheet and then receiving a drive signal to remove the stimulable phosphor sheet from the image recording position and feed a next stimulable phosphor sheet thereto, and a device for moving the sheet changer so that the stimulable phosphor sheet at the image recording position and the radiation source satisfy the linear rule and the geometric rule with respect to a point within the object or in the vicinity thereof. A controller controls operations of the devices for moving the sheet changer and the radiation source, intermittently activates the radiation source to emit the radiation at different irradiation angles, and sends the drive signal to the sheet changer after the radiation source is activated.

REFERENCES:
patent: 3499146 (1970-03-01), Richards
patent: 4258264 (1981-03-01), Kotera et al.
patent: 4276473 (1981-06-01), Kato et al.
patent: 4315318 (1982-02-01), Kato et al.
patent: 4346295 (1982-08-01), Tanaka et al.
patent: 4387428 (1983-06-01), Ishida et al.
patent: 4581535 (1986-04-01), Komaki et al.
patent: 4641242 (1987-02-01), Kimura

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