×

CD ROM information references delivered to a personal computer using the vertical blanking intervals associated data technology from a nabts compliant television broadcast program

  • US 5,724,103 A
  • Filed: 11/13/1995
  • Issued: 03/03/1998
  • Est. Priority Date: 11/13/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A system that receives a video signal and a data signal from a broadcaster which inserts the data signal into a vertical blanking interval of the video signal and transmits both the video and data comprising:

  • a video receiver that receives the video and data signals;

    a vertical blanking interval decoder that separates the data signal from the video signal;

    a video decoder that converts the video signal into a television signal;

    a monitor that displays the television signal;

    a non-volatile storage device that contains a text/graphic signal that is resident within said non-volatiles storage device; and

    ,a central processing unit which receives the data signal from said vertical blanking interval decoder and generates a command to transfer said text/graphic signal from said non-volatile storage device to said monitor to display said text/graphic signal on said monitor.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×