Television – Camera – system and detail – Remote control
Patent
1993-06-18
1998-11-17
Garber, Wendy
Television
Camera, system and detail
Remote control
348143, 348169, H04N 5232
Patent
active
058383689
ABSTRACT:
In a camera control system, a video signal from a camera is displayed on a monitor with some delay. An operation signal from a joystick disposed on the side of the monitor is transmitted to a data comparison circuit through a transmission system, a control unit and a counter. A panning operation on the camera is performed through a motor by applying a driving signal from a panhead driving circuit according to a difference between the operation signal and panning position detection data from a panning position detector. After that, in response to a signal indicating a stop of operation on the joystick, the control unit sends delayed panning position detection data obtained from a data delay circuit to the data comparison circuit. The panned position of the camera is thus shifted back to the panning position indicated by the delayed data obtained when the panning operation is stopped. The tilting and zooming operations on the camera can be controlled also in the same manner.
REFERENCES:
patent: 3984628 (1976-10-01), Sharp
patent: 4516156 (1985-05-01), Fabris et al.
patent: 5109278 (1992-04-01), Erickson et al.
patent: 5111288 (1992-05-01), Blackshear
patent: 5315633 (1994-05-01), Champa
patent: 5570177 (1996-10-01), Parker et al.
patent: 5572317 (1996-11-01), Parker et al.
Masunaga Makoto
Ohiwa Yasuyuki
Canon Kabushiki Kaisha
Garber Wendy
Ho Tuan V.
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