Resolution proportional digital zoom

Details Resolution proportional digital zoom Resolution proportional digital zoom

2006-03-30

2010-06-29

Ho, Tuan (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S240300, C345S660000

Reexamination Certificate

active

07746391

ABSTRACT:
A resolution proportional digital zoom system comprises a CCD imaging device with over a million pixels resolution. A standard fixed-1X optical lens is fitted to the imager. A communication channel with a limited bandwidth is used to transmit video. Such bandwidth is substantially less than the imager's full resolution times its frame rate. A user is provided with controls to pan and zoom within the imager's field of view. The pixel resolution is proportionally controlled such that video output data rate on the communication channel is optimal and held within maximum limits at any pan/zoom setting.

REFERENCES:
patent: 5940128 (1999-08-01), Morimura
patent: 2004/0032628 (2004-02-01), Sato et al.
patent: 2004/0143602 (2004-07-01), Ruiz et al.
patent: 2005/0179531 (2005-08-01), Tabe
patent: 2006/0197732 (2006-09-01), Oyaizu et al.
patent: 2007/0276590 (2007-11-01), Leonard et al.
patent: 2009/0012995 (2009-01-01), Sartor et al.

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