发明名称 Device and method for automatically changing broadcast channel of vehicle television with diversity antenna
摘要 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.
申请公布号 US7675577(B2) 申请公布日期 2010.03.09
申请号 US20060277354 申请日期 2006.03.23
申请人 HYUNDAI AUTONET CO., LTD. 发明人 YANG HYUN PO
分类号 H04N5/44;H04N5/50 主分类号 H04N5/44
代理机构 代理人
主权项
地址