Interactive video distribution systems – Operator interface – To facilitate tuning or selection of video signal
Reexamination Certificate
2002-01-30
2009-06-09
Kelley, Christopher (Department: 2424)
Interactive video distribution systems
Operator interface
To facilitate tuning or selection of video signal
C348S732000, C348S731000, C348S570000, C725S056000, C725S151000
Reexamination Certificate
active
07546620
ABSTRACT:
A channel selection device of the invention used in a digital/analog broadcasting receiver, upon reception of a channel changing instruction sent from input device, tries to select a desired channel by referencing its VCT if it can find channel information in a memory and, if it could not find the desired channel and failed in channel selection, obtains the latest VCT to thereby select such a channel in the VCT that has the smallest sub-channel number in the same main channel or select such a channel that has the smallest sub-channel number in the same physical channel. Thus, if a channel specified in the channel changing instruction sent from the user has no broadcast therethrough and failed to be selected, an appropriate channel is selected automatically, thus avoiding a state that nothing is displayed on the display.
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Inui Yasuhiro
Nishida Yusuke
Takagi Toshihiro
Yamamoto Manabu
Crowell & Moring LLP
Funai Electric Co. Ltd.
Kelley Christopher
Raman Usha
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