Device and method for automatically changing broadcast channel of vehicle television with diversity antenna
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United States of America Patent
Stats
-
Mar 9, 2010
Grant Date -
Oct 12, 2006
app pub date -
Mar 23, 2006
filing date -
Apr 8, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device and method for automatically changing a broadcast channel of a vehicle television with a diversity antenna is provided. The device includes an antenna switching unit connected with the diversity antennas and switching one of the diversity antennas; an image signal level detector for detecting an image signal level; an audio signal level detector for detecting an audio signal level; a storage unit for storing regional broadcast channel information, a channel change history, a value of number of switching times; and a controller for controlling the antenna switching unit, counting and storing the number of switching times, checking a quality of the broadcast signal, deciding a desired broadcast channel, and controlling the tuner to change into the decided broadcast channel.
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Family
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Cited Art Landscape
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