X-ray diagnostic apparatus

Details X-ray diagnostic apparatus X-ray diagnostic apparatus

1985-10-04

1987-02-17

Church, Craig E.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

378 99, 358140, H04N 701

Patent

active

046443959

ABSTRACT:
In an X-ray diagnostic apparatus, there is additionally provided an aspect ratio conversion circuit in a video processor. A video signal derived from an X-ray TV camera for an R/F table system having an aspect ratio e.g., (1:1) is converted into a corresponding digital video signal. The digital video signal is alternately stored in two buffer memories in synchronism with a predetermined clock pulse, which accordingly may change the original aspect ratio (1:1) into a new one, i.e., (3:4). Then the video signal processed under the new aspect ratio is displayed on the monitor which has its own aspect ratio (3:4) different from the original aspect ratio of the TV camera.

REFERENCES:
patent: 4125862 (1978-11-01), Catano

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