作者: Andrew S. Dibner
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摘要: An alarm system for automatically sending a telephone message or other remote signal in case help is needed person residing alone. In one version, timer cyclically activates magnetic tape player which begins slowly to dial the number of station at available, and then transmit prerecorded message. The simultaneously an audible warning so that resident can abort if no needed. reset each time lifts handset normal usage it unnecessary under ordinary circumstances him worry about resetting day. Should be activated but there need help, may shut off, aborted merely by lifting handset. A manual emergency bypass switch provided. second embodiment substitutes high speed digital dialer transmitter player, being after short delay during sounding. Additional modifications show automatic adapted multiple dwelling use existing systems.