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Public telephone set

  • US 4,907,257 A
  • Filed: 07/12/1989
  • Issued: 03/06/1990
  • Est. Priority Date: 07/18/1988
  • Status: Expired due to Fees
First Claim
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1. A public telephone set comprising:

  • card control means for reading information recorded in a card and performing conveyance and data processing of said card on the basis of read information; and

    speech control means for performing speech control on the basis of data from said card control means;

    characterized in that said card control means comprises;

    a card guide port, connected to a first convey path, for receiving plural types of cards and dispensing only a specific type of card;

    a return port, connected to a second convey path, for dispensing only remaining types of cards which are not dispensed to said card guide port; and

    card selecting means for switching said cards into said first and second convey paths on the basis of a property inherent to the types of cards inserted into said card guide port;

    whereby charging processing corresponding to different types of cards is performed.

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