2990449

Information

• Patent Grant
• 2990449

• References
• Source

• Patent Number

  2,990,449

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  63 years ago

• CPC

  • G02F1/0333 - addressed by a beam of charged particles
  • H04N9/12 - Picture reproducers
  • H04N9/16 - using cathode ray tubes
  • H04N11/12 - using simultaneous signals only

• US Classifications

  • 348 - Television
  • 359 - Optical: systems and elements