Patents by Inventor Dich C. Tran

Dich C. Tran has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5641050
    Abstract: A dispensing machine payment acceptance apparatus for dispensing products or services from a dispensing machine upon user request and payment is disclosed. The apparatus comprises a data card scanner apparatus for acquiring payment and other information. It also comprises an electrical signals interface between the scanner and the dispensing machine to indicate proper payment has been made. Cash payment, such as coins and paper bills, may also be accepted and apparatus is disclosed in the dispensing machine payment acceptance apparatus for generating electrical signals indicative of an amount of cash accepted. The invention discloses a card swallowing feature which enable the scanner to retain the card when the data card is defective or has other predetermined characteristics. In some embodiments the scanner has a geometrical form factor substantially similar to a standard bill validator apparatus.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: June 24, 1997
    Assignee: Verifone, Inc.
    Inventors: Gerald W. Smith, Dich C. Tran
  • Patent number: 5440108
    Abstract: A cash card dispensing and revaluing system having payment apparatus for receiving and validating payment operating in conjunction with a cash card dispensing assembly for storing a number of cash cards and for dispensing a cash card upon consumer request and payment of a predetermined payment amount. Additionally including in the system a cash card revaluing assembly for revaluing a cash card upon insertion of the card into the revaluing assembly in conjunction with insertion of payment into the payment apparatus. The payment apparatus includes currency accepting and validating systems such as bill validators or, alternatively, credit and debit card validators.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: August 8, 1995
    Assignee: Verifone, Inc.
    Inventors: Dich C. Tran, Yiu T. Liu, Stanley Y. W. Lui, Joseph Y. Kwong, Junqi Yan