Television – Image signal processing circuitry specific to television – Switching
Reexamination Certificate
2005-01-26
2010-06-01
Tran, Trang U (Department: 2622)
Television
Image signal processing circuitry specific to television
Switching
C348S569000, C348S563000, C348S705000
Reexamination Certificate
active
07728911
ABSTRACT:
A method detects whether a signal is present on each of a plurality of video inputs. The method positively indicates to a user whether a signal has been detected on each of the plurality of video inputs.
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Heagney Guy C.
Lacy Reed H.
Hewlett--Packard Development Company, L.P.
Tran Trang U
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