PSTN transaction processing network employing wireless concentra

Details PSTN transaction processing network employing wireless concentra PSTN transaction processing network employing wireless concentra

1995-09-07

1998-12-22

Bost, Dwayne D.

Telecommunications

Radiotelephone system

455406, 455557, H04Q 720

Patent

active

058527737

ABSTRACT:
A business transaction network including a wireless communication link for coupling a plurality of card transaction terminals to a host computer through a limited number of lines connected to the public switched telephone network (PSTN). The wireless link includes interface units for interfacing with the terminals and with the PSTN and encoding and decoding digital data based on analog signals from the terminals and from the PSTN, and spread spectrum wireless transceivers. A wireless concentrator/controller polls the plurality of terminals and selectively connects terminals to the PSTN through one of the telephone lines.

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patent: 5490060 (1996-02-01), Malec et al.
patent: 5497424 (1996-03-01), Vanderpool

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