3898644

Information

• Patent Grant
• 3898644

• References
• Source

• Patent Number

  3,898,644

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • G09G1/16 - the pattern of rectangular co-ordinates extending over the whole area of the screen
  • G04G9/0058 - using a cathode ray tube as display device

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 345 - Computer graphics processing and selective visual display systems
  • 348 - Television
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 968 - Horology