Image signal recovering apparatus for converting composite...

Details Image signal recovering apparatus for converting composite... Image signal recovering apparatus for converting composite...

2006-04-04

2006-04-04

Hsia, Sherrie (Department: 2614)

Television

Image signal processing circuitry specific to television

A/d converters

C348S705000, C348S565000, C348S588000

Reexamination Certificate

active

07023494

ABSTRACT:
An image signal recovering apparatus for converting a composite signal and a component signal of a main picture and a sub picture into digital signals, including: a composite selecting unit which selectively outputs at least one of a plurality of composite signals inputted through first input ports of the composite selecting unit; a component selecting unit which selectively outputs at least one of a plurality of component signals inputted through second input ports of the composite selecting unit; a first converting unit for converting composite signals from the composite selecting unit into digital signals; a second converting unit for converting component signals from the component selecting unit into digital signals; and an input switching unit positioned between the component selecting unit and the second converting unit, for selectively switching composite signals from the composite selecting unit and component signals from the component selecting unit into the second converting unit.

REFERENCES:
patent: 5982453 (1999-11-01), Willis
patent: 5999227 (1999-12-01), Doherty et al.
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patent: 10-056651 (1998-04-01), None
patent: 11-027697 (1999-01-01), None
patent: 11-331864 (1999-11-01), None
patent: 2000-059702 (2000-02-01), None

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