Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1983-03-29
1985-07-02
Rubinson, Gene Z.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358183, 358209, H04N 530
Patent
active
045272018
ABSTRACT:
A zoom indicating apparatus for a video zoom camera that provides a viewfinder raster display of a scene within the field of view of the camera superimposes upon the raster display a zoom frame that indicates the portion of the scene that would be within the field of view of the camera at its maximum zoom setting. The apparatus converts a zoom setting signal from the camera to a signal corresponding to the magnification at that zoom setting, employs the magnification signal for generating zoom frame signals which define the size and location of the zoom frame on the display, and combines the zoom frame signals with the video signal from the camera to form a composite video signal that is applied to the display. The apparatus automatically adjusts the position of the zoom frame on the display so as to compensate for misalignment between the optical axis of the camera lens and the center of the scanned image on the camera sensor tubes.
REFERENCES:
patent: 2952738 (1960-09-01), Akins
patent: 4234890 (1980-11-01), Astle et al.
patent: 4432014 (1984-02-01), Roos et al.
Glen Southworth. "Outline Generator for Educational Television" Electronics, Apr. 3, 1959 pp. 52-53.
Brinich Stephen
Panavision Inc.
Rubinson Gene Z.
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