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    • 1. 发明授权
    • Remote controlled electronic apparatus and remote control method thereof
    • 遥控电子仪器及其遥控方法
    • US06747567B2
    • 2004-06-08
    • US09804850
    • 2001-03-13
    • Toshio AmanoKenichi KonumaToshihisa Ueki
    • Toshio AmanoKenichi KonumaToshihisa Ueki
    • G08C1900
    • G08C17/00
    • An electronic apparatus wherein a remote control signal received via a filter is decoded and, upon deciding that the control signal is a power cutoff instruction, a controlling microcomputer outputs a filter control signal for actuating the filter to place the apparatus in a reception standby mode while the microcomputer itself is also set in its low power state, hence preventing a malfunction that some noise derived from external light of a fluorescent lamp or the like is recognized erroneously as a remote control signal and that the apparatus is shifted in error from the low power state to its wake-up mode. Consequently, the power consumption can be reduced in the standby mode. The remote control signal consists of a fixed-width pulse and a succeeding control code, and upon detection of the fixed-width pulse, the controlling microcomputer is released from the low power state to wake up and then halts the operation of the filter.
    • 一种电子设备,其中经由滤波器接收的遥控信号被解码,并且在判定为控制信号是功率切断指令时,控制微机输出用于启动滤波器的滤波器控制信号,以使设备处于接收待机模式,同时 微型计算机本身也被设置在低功率状态,因此防止由于荧光灯等的外部光引起的某些噪声被误认为远程控制信号,并且该装置从低功率误差偏移 状态到其唤醒模式。 因此,可以在待机模式下降低功耗。 遥控信号由固定宽度脉冲和后续控制码组成,检测到固定宽度脉冲后,控制微型计算机从低功率状态起动唤醒,然后停止过滤器的运行。