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    • 1. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING PROGRAM DATA SIGNALS VIA A REMOTE CONTROL UNIT
    • 用于通过远程控制单元通信程序数据信号的方法和装置
    • WO1993010642A1
    • 1993-05-27
    • PCT/US1992010192
    • 1992-11-19
    • SCIENTIFIC-ATLANTA, INC.
    • SCIENTIFIC-ATLANTA, INC.COOK, Alex, M., Jr.ROVIRA, Luis, A.WALL, William, E., Jr.JOHNSON, Lee, R.MONTREUIL, LeoTING, Jeffrey, C.KUBAN, Curt, M.MCGINTY, Emory, L.LEVITAN, David, E.SHYU, Ruengung, Archie
    • H04Q01/00
    • H04B1/202H03J1/0025H03J2200/24H04N2005/4423
    • A remote control system including a hand held remote control unit (200) with an alphanumeric information display (209), for controlling and communicating with a first controlled device (100), such as a digital music tuner connected to a community antenna television (CATV) cable, and for controlling a selected one of a plurality of second controlled devices (300), such as CATV set-top-units, VCRs, or televison sets. A first, high speed, error free display information communications protocol is utilized for transmitting program content or other information from the first controlled device (100) to the remote control unit (200) for display. A second or control communications protocol is utilized by the remote control unit (200) for controlling the first controlled device (100) and a selected one of the second controlled devices (300). The first controlled device (100) utilizes a first clock signal embedded in digital music signals provided via the cable to derive clocking signals for implementing the display information communications protocol, resulting in an efficient, low cost electronic design.
    • 一种遥控系统,包括具有字母数字信息显示器(209)的手持遥控单元(200),用于控制和与第一受控设备(100)通信,诸如连接到社区天线电视机(CATV)的数字音乐调谐器 )电缆,并且用于控制多个第二受控设备(300)中的所选择的一个,例如CATV机顶盒,VCR或电视机组。 第一,高速,无错误的显示信息通信协议用于将节目内容或其他信息从第一受控设备(100)发送到遥控单元(200)以进行显示。 遥控单元(200)利用第二或控制通信协议来控制第一受控设备(100)和所选择的第二受控设备(300)中的一个。 第一受控设备(100)利用嵌入在经由电缆提供的数字音乐信号中的第一时钟信号来导出用于实现显示信息通信协议的时钟信号,从而产生有效的低成本电子设计。