×

Method and apparatus for providing copy protection using a transmittal mode command

  • US 8,250,597 B2
  • Filed: 03/19/2008
  • Issued: 08/21/2012
  • Est. Priority Date: 03/31/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus for processing satellite, microwave, fiberoptic, digital delivery network, or cable signals, comprising:

  • a digital signal decompression circuit;

    a circuit including an electronic programming guide for providing a display on a television set or monitor of programs provided by a service provider;

    copy protection control registers or one or more programmable copy protection signal generator for providing a control signal and for receiving a plurality of programmable copy protection configurations, wherein the copy protection configurations determine components or forms of copy protection signals;

    a circuit for selecting respective configurations of the programmable copy protection configurations corresponding to all of the components or forms of the following programmable signals;

    vertical blanking interval signals On/Off, end of field porch pulses On/Off, color stripe process On/Off, H sync amplitude reduction On/Off, V sync amplitude reduction On/Off; and

    wherein the selected programmable copy protection signals are applied to the video signal in response to the control signal to produce a copy protected video signal, wherein the copy protected video signal is viewable on a television monitor but a recording thereof is not watchable.

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