3721756

Information

• Patent Grant
• 3721756

• References
• Source

• Patent Number

  3,721,756

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • H04N9/3129 - scanning a light beam on the display screen
  • G09G3/02 - by tracing or scanning a light beam on a screen
  • H04N3/08 - having a moving reflector
  • H04N9/14 - using optical-mechanical scanning means only

• US Classifications

  • 348 - Television
  • 345 - Computer graphics processing and selective visual display systems