×

Transmission of data with a video signal

  • US 4,396,946 A
  • Filed: 03/23/1981
  • Issued: 08/02/1983
  • Est. Priority Date: 03/19/1981
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of transmitting binary data with a video signal, comprising modulating horizontal line synchronizing pulses of the video signal with said data, each bit (binary digit) of said data modulating a respective horizontal line synchronizing pulse and being constituted by the presence or absence of the respective horizontal line synchronizing pulse.

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