Card authorization terminal system in which one terminal transmi

Details Card authorization terminal system in which one terminal transmi Card authorization terminal system in which one terminal transmi

1988-03-30

1990-06-19

Faber, Alan

Registers

Systems controlled by data bearing records

Credit or identification card systems

902 22, 902 39, 364401, 364405, G06F 1530, G06F 1521

Patent

active

049356089

ABSTRACT:
A card authorization terminal in which a plurality of CATs (card authorization terminals) are connected to a data transmission line. At least one of the CATs comprises: a memory from/into which data can be read out and written; a data transmitting circuit to transmit and receive the data through the data transmission line; a transmission instructing device through which an operator instructs transmission of data to another designated CAT; and a controller for reading out the storage data from the memory in response to an output of the transmission instructing device, and for transmitting the read out data to the designated CAT by the transmitting circuit. The designated CAT includes a controller for storing the reception data into the memory in response to the reception of the data transmitted from the one CAT.

REFERENCES:
patent: 4017835 (1977-04-01), Randolph
patent: 4319326 (1982-03-01), Uchida
patent: 4468750 (1984-08-01), Chamoff et al.
patent: 4502120 (1985-02-01), Ohnishi et al.
patent: 4630200 (1986-12-01), Ohamae et al.
patent: 4639889 (1987-01-01), Matsumoto et al.
patent: 4683536 (1987-07-01), Yamamoto
patent: 4771382 (1988-09-01), Shiono et al.

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