H - Electricity – 05 – G
Patent
H - Electricity
05
G
350/32, 358/11.2
H05G 1/60 (2006.01) H04N 5/32 (2006.01)
Patent
CA 1256600
Television Camera Control In Radiation Imaging Abstract of the Disclosure Improved apparatus, circuitry and method is dislcosed for control of a television camera in a radiographic imaging system. The system includes a radiation source, an image intensifier tube and several associated components for acquiring analog radiation representing images in one or more of several prime analog study modes. The analog acquisition components include any one or a com- bination of a cine camera, a spot film camera and a spot film device. Radiation is directed from the source through a subject to the intensifier tube input and to selected analog acquisition components. As the analog images are acquired, a television camera views the image tube output to produce another image, by way of a monitor, in verification that the radiation exposure is of a character suitable or the selected analog image acqui- sition mode. Sets of representations of camera operating parameter value decisions are stored in non-volatile random access memory circuitry coupled to the camera. Each set of representations corresponds to a different analog study mode, or combination of modes. Means is provided for selection of one or a combination of analog study modes. In response to that selection, the correspon- ding set of camera operating parameter decision represen- tations is applied to the camera, in order to optimize camera performance for the particular x-ray mode, or combination of modes, which has been selected. In another embodiment, apparatus and circuitry is provided for suppressing the camera video signal in response to a selection of a predetermined video camera scan rate, while maintaining transmission of synchronization signals from the camera to the monitor.
515501
Nicolay David
Plut Leonard F.
Picker International Inc.
Ridout & Maybee Llp
LandOfFree
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