Radiotelephone system adapted to read a credit card
First Claim
1. A radiotelephone system adapted to read a credit card for charging comprising:
- a means for inputting a credit card information signal stored on the credit card, which includes a card expiration date signal and a primary access number signal;
a clock circuit means for generating a present date signal;
a means for comprising said expiration date signal with said present date signal; and
a means for transmitting said credit card information signal with said card expiration date signal deleted only if a date indicated by said present date signal is prior to or equal to a date indicated by said card expiration date signal.
2 Assignments
0 Petitions
Accused Products
Abstract
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.
220 Citations
4 Claims
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1. A radiotelephone system adapted to read a credit card for charging comprising:
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a means for inputting a credit card information signal stored on the credit card, which includes a card expiration date signal and a primary access number signal; a clock circuit means for generating a present date signal; a means for comprising said expiration date signal with said present date signal; and a means for transmitting said credit card information signal with said card expiration date signal deleted only if a date indicated by said present date signal is prior to or equal to a date indicated by said card expiration date signal. - View Dependent Claims (2, 3, 4)
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Specification