3558817

Information

• Patent Grant
• 3558817

• References
• Source

• Patent Number

  3,558,817

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  53 years ago

• CPC

  • H04N9/16 - using cathode ray tubes
  • H04N5/141 - Beam current control means
  • H04N5/59 - in dependence upon beam current of cathode ray tube
  • H04N9/24 - using means, integral with, or external to, the tube, for producing signal indicating instantaneous beam position

• US Classifications

  • 348 - Television