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Transaction control system including portable data terminal and mobile customer service station

  • US 5,031,098 A
  • Filed: 04/28/1989
  • Issued: 07/09/1991
  • Est. Priority Date: 04/28/1989
  • Status: Expired due to Term
First Claim
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1. A transaction control system comprising:

  • at least one portable data terminal, such data terminal including means for entering and for transmitting uniquely identifiable data and data messages relating to customer transactions;

    at least one mobile customer service station, said service station including a self-contained power source, a printer for printing customer transaction records and means for receiving uniquely addressed data and data messages;

    a wireless communications station including means for individually polling and addressing a plurality of such portable data terminals and mobile customer service stations and for transmitting to such data terminals and customer service stations said uniquely addressed data and data messages and for receiving from such customer service stations and data terminals said uniquely identifiable data and data messages; and

    a computer, said computer being communicatively interconnected with said wireless communications station for transfer of said uniquely identifiable data and data messages, including means for uniquely addressing any of such uniquely identifiable data and data messages for transfer to and transmission by said wireless communications system to any one and any selected ones of said at least one portable data terminal and said at least one mobile customer service station, means for initiating such transfer to receive from such wireless communications station said uniquely identifiable data and data messages relating to customer transactions from any one such data terminal, means for encoding said uniquely identifiable transaction data and data messages with a unique address for transfer to and transmission by said wireless communications station to said at least one mobile customer service station having such unique address and means for directing such customer service station to print a record of such customer transaction.

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