3020441

Information

• Patent Grant
• 3020441

• References
• Source

• Patent Number

  3,020,441

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1962
  63 years ago

• CPC

  • H01J31/16 - with mask carrying a number of selectively displayable signs
  • G01S7/22 - Producing cursor lines and indicia by electronic means
  • G09G1/18 - a small local pattern covering only a single character, and stepping to a position for the following character
  • G09G1/22 - using tubes permitting selection of a complete character from a number of characters

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 178 - Telegraphy
  • 313 - Electric lamp and discharge devices
  • 345 - Computer graphics processing and selective visual display systems