The automatic telephone dialing apparatus or repertory telephone dialer system includes a microprocessor, a keyboard and control and routing circuits coupled to and between the keyboard, the microprocessor, an incoming telephone line, and a telephone unit. The keyboard has a plurality of pushbutton keys,...http://www.google.fr/patents/US4475013?utm_source=gb-gplus-shareBrevet US4475013 - Repertory automatic telephone dialing apparatus wherein a name and telephone number are searched by depressing one or more letter code keys
Repertory automatic telephone dialing apparatus wherein a name and telephone ...
