Autodialer with pin feature

作者: Peter Feldman

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摘要: An autodialer with code feature, has a credit card sized carrier which contains; an audio transducer mounted to the and activatable produce tones that are comprehensible as discreet numerals symbols by touch-tone dialing system. A memory in stores first sequence of numbers representing telephone number second personal code. control operatively connected transducer, reads drives generate corresponding each sequence. power supply is control, for powering transducer. activator switch connect controlling read only numbers. spaced separator from said switch, select activate according

参考文章(4)
Eichika Matsuda, Toshiro Oba, Hisao Kunita, Portable automatic dialing unit ,(1989)
Rolland L. Grenzow, Portable automatic number outpulser ,(1977)
William T. Mostyn, Daniel A. Henderson, Programmable dialer system ,(1988)