Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate
2007-12-25
2007-12-25
Le, Lana (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
C455S185100, C455S194100, C455S426100
Reexamination Certificate
active
10137989
ABSTRACT:
Methods and systems for seamlessly broadcasting data to a user moving among a plurality of broadcast coverage areas. A first signal containing desired data may be received by a receiving device at a user location, wherein the first signal is broadcast from a first transmitting station associated with a first broadcast coverage. Thereafter, the receiving device (e.g., a radio or in-vehicle television) can be automatically instructed to search for and tune to a second transmitting station associated with a second broadcast coverage area broadcasting a second signal containing the desired data if the first signal fades at the user location, thereby permitting the user to seamlessly receive data as the user moves among a plurality of broadcast coverage areas. The receiving device can also be automatically instructed to search for and tune to a third transmitting station broadcasting a third signal containing data of a type associated with the desired data, if the second signal containing the desired program cannot be identified.
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Lee Chinmei Chen
Voelker John Alvan
Le Lana
Lucent Technologies - Inc.
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