Radio phone equipment for credit card

Details Radio phone equipment for credit card Radio phone equipment for credit card

H - Electricity

04

M

379/11, 325/17,

H04M 17/02 (2006.01) G07F 7/00 (2006.01) G07F 7/12 (2006.01)

Patent

CA 1278605

ABSTRACT OF THE DISCLOSURE A radio phone equipment for credit card is adapted to transfer part or a whole of credit card or charge card information read by a card reader as well as a dial number dialed by a key pad to a mobile telecommunication switching office by means of a modem and a transmitter/receiver, and in case of said credit card or charge card being valid, switching, on the basis of a designation on a voice channel transmitted from said mobile telecommunication switching office, or transmitting and receiving frequency to said voice channel to construct a speech channel, and furthermore detecting on-hook of a handset produced upon finishing talking to reset the equipment.

515651

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