Ordnance – Mounts – Training mechanisms
Patent
1983-12-14
1986-02-18
Brown, David H.
Ordnance
Mounts
Training mechanisms
89 4109, 358108, F41G 524, H04N 336
Patent
active
045705305
ABSTRACT:
A video camera or similar scene observing device, mounted on a movable workpiece to be aligned with a target, views the scene that the workpiece is directed toward. A video viewing device is receptive of signals from the observing device for displaying a portion of the field of view on the viewing device and is receptive of a position error signal for controlling what portion of the field of view is displayed. First and second signals are produced representing the desired rate of movement of the workpiece and actual rate of movement of the workpiece, respectively. The difference between these signals is integrated to produce the position error signal. Therefore, the viewed scene moves only in response to the signal indicative of the desired rate of movement. If there is no desired rate of movement, the image appears stationary on the viewing device even though the workpiece may be oscillating about a desired position.
REFERENCES:
patent: 3640178 (1972-02-01), Chatham et al.
patent: 3711638 (1973-01-01), Davies
patent: 3803387 (1974-04-01), Lackowski
patent: 3844196 (1974-10-01), Taylor et al.
patent: 3854378 (1974-12-01), Vogel
patent: 3997762 (1976-12-01), Ritchie et al.
patent: 4318330 (1982-03-01), Hausenblas
patent: 4370914 (1983-02-01), Voles
patent: 4418360 (1983-11-01), Glasgow
Brown David H.
RCA Corporation
Smiley Raymond E.
Tripoli Joseph S.
Troike Robert L.
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