Patents by Inventor Dafna Ephraim

Dafna Ephraim 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).

  • Management of pre-paid billing system for wireless communication
    Publication number: 20040077332
    Abstract: A system (FIG. 1) and method for providing prepaid data transfer services to a subscriber (12) through a communication device, such as a wireless or wireline device. The communication device is connected to a data network for transferring data from a data source, such as the Internet (24). A prepaid system monitors the data network in order to determine whether a particular requested data transfer should be authorized or continued, for example according to the prepaid amount available in the account of the system.
    Type: Application
    Filed: December 22, 2003
    Publication date: April 22, 2004
    Inventors: Dafna Ephraim, Michael Kertesz, Bruce Frankel, Gadi Inon