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热词
    • 3. 发明授权
    • Combined audible and visual signaling device
    • 组合的听觉和视觉信号装置
    • US5576690A
    • 1996-11-19
    • US511914
    • 1995-08-07
    • David WaughLeslie M. Orloff
    • David WaughLeslie M. Orloff
    • G08B1/08G08B7/06G09B1/08
    • G08B1/08G08B7/06
    • Push button controlled wireless transmitters send digitally encoded signals to a plug-in receiver/signaling device. The receiver/signaling device has a microprocessor suitably programmed to respond to signals from a transmitter bearing the discrete address of the receiver, and to decode a transmitter identification code. Thereupon the microprocessor supplies an audio output circuit with signals to simulate selectively mechanical front or back door chimes, and supplies signals to energize a strobe lamp to emit bursts of multiple flashes, the number of flashes in a burst identifying the specific transmitter, whereby a person with a hearing deficiency is informed as to which transmitter is being actuated.
    • 按钮控制的无线发射器将数字编码的信号发送到插入式接收器/信号装置。 接收器/信令装置具有适当编程的微处理器来响应来自承载接收机的离散地址的发射机的信号,并对发射机识别码进行解码。 因此,微处理器为音频输出电路提供信号以模拟选择性地机械的前门铃或后门铃,并且提供信号以激励频闪灯以发射多次闪光的突发,突发中的闪烁次数识别特定的发射器,由此一个人 通知听觉不足,说明哪个发射机被启动。