3840858

Information

• Patent Grant
• 3840858

• References
• Source

• Patent Number

  3,840,858

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • H04N3/34 - Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
  • G09F9/3023 - Segmented electronic displays
  • G09F9/33 - being semiconductor devices

• US Classifications

  • 257 - Active solid-state devices
  • 313 - Electric lamp and discharge devices
  • 340 - Communications: electrical
  • 345 - Computer graphics processing and selective visual display systems
  • 348 - Television