Control device and method for camera unit and program for...

Details Control device and method for camera unit and program for... Control device and method for camera unit and program for...

2011-06-21

2011-06-21

Laballe, Clayton E (Department: 2862)

Photography

Having variable focal length of camera objective

Manually selected preset zoom position or range

C396S085000, C396S128000

Reexamination Certificate

active

07965935

ABSTRACT:
A camera unit which is capable of coping with both a case where it is largely displaced from a preset position and a case where it is slightly displaced from the same, and makes it possible to enhance accuracy and reliability in displacement correction. A zoom/focus control circuit and a pan/tilt control circuit drive the camera unit. A memory stores preset information indicative of a shooting position and a focal length of the camera unit. A correction image memory stores correction images shot at different focal lengths at the shooting position. An image comparison circuit compares between an image shot by the camera unit at the shooting position and the stored correction images, and calculates a displacement amount. A CPU corrects the driving amount of the pan/tilt control circuit based on the calculated displacement amount.

REFERENCES:
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patent: 2005/0157180 (2005-07-01), Takahashi et al.
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patent: 2007/0098381 (2007-05-01), Oshima
patent: 2008/0094480 (2008-04-01), Swarr et al.
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patent: 2003-98576 (2003-04-01), None
Notification of First Office Action issued in corresponding Chinese Patent Application No. 200810108065.2 dated Mar. 11, 2010.

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