Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate
2007-08-06
2011-10-11
Nguyen, Lee (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
C455S184100, C455S186100
Reexamination Certificate
active
08036612
ABSTRACT:
A method, apparatus and system for Digital Multimedia Broadcasting (DMB) service are provided. A DMB receiving terminal identifies a channel service area in which the DMB receiving terminal is currently located based on an identified current location, and configures a channel information list by searching only a frequency band corresponding to the channel service area. When the channel service area is changed, the DMB receiving terminal searches a pre-stored connection channel list, and identifies a predetermined channel established as a transition channel corresponding to a channel which the DMB receiving terminal has received, from channels belonging to the changed channel service area. The DMB receiving terminal then receives the identified channel and provides terrestrial DMB service, thereby reducing a channel search time period and smoothly providing the terrestrial DMB service.
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Nguyen Lee
Samsung Electronics Co,. Ltd
The Farrell Law Firm P.C.
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