3171114

Information

• Patent Grant
• 3171114

• References
• Source

• Patent Number

  3,171,114

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1965
  59 years ago

• CPC

  • G05B19/108 - characterised by physical layout of switches; switches co-operating with display; use of switches in a special way
  • G07C3/005 - during manufacturing process
  • G08B5/36 - using visible light sources
  • G09B5/02 - with visual presentation of the material to be studied
  • G05B2219/23175 - What to display: program channels, running of program
  • G05B2219/23365 - Ferrite memory

• US Classifications

  • 340 - Communications: electrical
  • 040 - Card, picture, or sign exhibiting
  • 200 - Electricity: circuit makers and breakers
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 434 - Education and demonstration