TELEVISION MESSAGE SYSTEM FOR TRANSMITTING AUXILIARY INFORMATION DURING THE VERTICAL BLANKING INTERVAL OF EACH TELEVISION FIELD

• US 3,493,674 A
• Filed: 05/18/1966
• Issued: 02/03/1970
• Est. Priority Date: 05/28/1965
• Status: Expired due to Term

• Current Assignee: William D. Houghton
• Original Assignee: William D. Houghton
• Inventors: Houghton, William D.
• Application Number:
  US04/551,084
• Time in Patent Office: 1,357 Days
• US Class Current: 348/478
• CPC Class Codes: H04N 1/00098 via a television channel, e.g. for a series of still pictures with or without sound
• CPC Class Codes: H04N 7/087 with signal insertion during the vertical blanking interval only

Claims