×

Electronic book selection and delivery system having purchase and account management features

  • US 20020040473A1
  • Filed: 09/28/2001
  • Published: 04/04/2002
  • Est. Priority Date: 12/02/1993
  • Status: Abandoned Application
First Claim
Patent Images

1. An operations center for a text delivery system wherein text is delivered to subscribers for viewing, comprising:

  • a data receiver for receiving text data;

    a formatter, connected to the data receiver, for formatting the data received;

    a security means, connected to the formatter, for encrypting the formatted data; and

    an uplink, connected to the security means, for placing the encrypted data onto a video signal.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×