Electronic telephone directory dialer module

Claim 1

In combination, an electronic telephone directory-dialer module operating in conjunction with a dial-tone telephone set coupled to a telephone line supplying power to the set, the set including a transmitter coupled to the line and a manually-operated keyboard to produce dial tones corresponding to the telephone number code of a party to be called; said module comprising: A. a data base associated with an alphanumeric keyboard for entering into the data base the names, addresses and telephone number codes of a plurality of parties to create an electronic directory; B. a dialer operatively coupled to the directory adapted to convert the number code of any party selected from the directory into corresponding dial tones which are reproducible so that they are audible; and C. a loud speaker to reproduce the audible tones emanating from the module and to convey them over the telephone line to dial the selected party without having to use the telephone set keyboard for this purpose, the telephone set including a slot adapted to receive the module and having line contacts therein connected to the telephone line to derive power from the line, said slot being provided with a microphone to pick up the dial tones emanating from the loud speaker in the module and to convey them to the telephone line, whereby when the module is placed in the slot the dial tones from the loud speaker are then conveyed to the telephone line through the microphone in the slot, and when the module is removed from the slot, the dial tones from the loud speaker may then be conveyed to the telephone line through the transmitter of the set, said module including a battery to supply power thereto when the module is removed from the slot and is then disconnected from the telephone line supplying power thereto, said module further including power input contacts which when the module is received in the slot then engage said line contacts in the slot whereby the power carried by the line is then supplied to the module.