3857100

Information

• Patent Grant
• 3857100

• References
• Source

• Patent Number

  3,857,100

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • H03K17/962 - Capacitive touch switches
  • H03J5/0218 - Discontinuous tuning using an electrical variable impedance element
  • H03K17/52 - using gas-filled tubes
  • Y10T307/766 - Condition responsive

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 307 - Electrical transmission or interconnection systems
  • 340 - Communications: electrical
  • 455 - Telecommunications