×

VSB HDTV transmission system with reduced NTSC co-channel interference

  • US 5,087,975 A
  • Filed: 11/09/1990
  • Issued: 02/11/1992
  • Est. Priority Date: 11/09/1990
  • Status: Expired
First Claim
Patent Images

1. A method of transmitting a television signal comprising:

  • providing an N-level digitally encoded signal at a sample rate fs substantially equal to three times the NTSC color subcarrier frequency;

    generating a carrier signal;

    modulating said carrier signal with said N-level digitally encoded signal; and

    forming a transmission signal in response to said modulated carrier signal.

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