发明名称 Control apparatus of audio-visual display apparatus and the control method
摘要 A control apparatus of an audio-visual display apparatus is provided, wherein only one remote control unit in a plurality of remote control units has a control right for controlling the audio-visual display apparatus, the control apparatus determines whether a signal is received from a remote control unit with the control right until a scrambling determination time elapses from a time when detecting that an operation command is received from a remote control unit without the control right; and deprives the remote control unit with the control right of the control right and provides the control right to other remote control unit if a signal is not received from the remote control unit with the control right within the scrambling determination time.
申请公布号 US2003177489(A1) 申请公布日期 2003.09.18
申请号 US20030388647 申请日期 2003.03.17
申请人 NIPPON TELEGRAPH AND TELEPHONE CORP. 发明人 WATANABE MASAHIRO;TANIGUCHI TOMOHISA
分类号 H04N5/445;H04B1/06;H04N5/00;H04N7/16;H04Q9/00;(IPC1-7):H04N7/16 主分类号 H04N5/445
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