Tracking input device

Details Tracking input device Tracking input device

1983-11-22

1986-12-02

Anderson, Bruce C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358125, 378 99, H05G 164, H04N 532

Patent

active

046269088

ABSTRACT:
Disclosed is an image input device arranged in such a way that a fluorescent X-ray image is imaged by a TV camera, and an image signal thereof is input into a CPU. The image input device is connected to an output of the TV camera, and comprises a difference circuit for determining the difference between two picture signals obtained at a prescribed time interval, an object extracting circuit for extracting an object image in accordance with the results of the difference, a position judging circuit for judging whether or not the object image thus extracted is located within a picture screen, and a camera position controller for controlling the position of the TV camera in accordance with the results of judgement made by the position judging circuit.

REFERENCES:
patent: 3419674 (1968-12-01), Burns et al.
patent: 3444380 (1969-05-01), Webb
patent: 3522585 (1970-08-01), Lemay
patent: 3967053 (1976-06-01), Grosskopf
patent: 4364089 (1982-12-01), Woolfson
patent: 4409615 (1983-10-01), McMann, Jr. et al.

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