Invention Grant
- Patent Title: Device and method for automatically changing broadcast channel of vehicle television with diversity antenna
- Patent Title (中): 用分集天线自动改变车载电视广播频道的装置和方法
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Application No.: US11277354Application Date: 2006-03-23
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Publication No.: US07675577B2Publication Date: 2010-03-09
- Inventor: Hyun Po Yang
- Applicant: Hyun Po Yang
- Applicant Address: KR Icheon-Shi, Kyungki-Do
- Assignee: Hyundai Autonet Co., Ltd.
- Current Assignee: Hyundai Autonet Co., Ltd.
- Current Assignee Address: KR Icheon-Shi, Kyungki-Do
- Agency: IPLA P.A.
- Agent James E. Bame
- Priority: KR10-2005-0029530 20050408
- Main IPC: H04N5/44
- IPC: H04N5/44 ; H04N5/50
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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