发明名称 APPARATUS AND METHOD FOR REMOTELY CONTROLLING DOORBELL CHIMES FROM DOORBELL PUSH BUTTON
摘要 An apparatus and method for remotely controlling doorbell chimes includes a doorbell activation circuit (40) having a manually actuated doorbell button (41) for activating a transmitter (43) to generate a predetermined frequency electromagnetic wave (45) from an antenna (44). A main doorbell chime circuit (46) includes an antenna (47) connected to receiver (48) and is responsive to the wave (45) for generating an acoustic frequency signal (50) from a main doorbell chime (49). One or more auxiliary doorbell chime circuits (52) each include an antenna (53) connected to receiver (54) and are responsive to the wave (45) for generating an acoustic frequency signal (56) from an auxiliary doorbell chime (55).
申请公布号 CA2213325(A1) 申请公布日期 1998.02.28
申请号 CA19972213325 申请日期 1997.08.18
申请人 DIMANGO PRODUCTS CORPORATION 发明人 XYDIS, THOMAS G.
分类号 G08B3/10;G08C17/02;(IPC1-7):G08C17/02 主分类号 G08B3/10
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