3876953

Information

• Patent Grant
• 3876953

• References
• Source

• Patent Number

  3,876,953

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  50 years ago

• CPC

  • H04B5/06 - using a portable transmitter associated with a microphone
  • G09B5/12 - different stations being capable of presenting different information simultaneously
  • H03D3/04 - by counting or integrating cycles of oscillations
  • H03G11/002 - without controlling loop
  • H04B1/38 - Transceivers
  • H04J1/20 - in which at least one carrier is angle-modulated
  • H04B5/0012 - using capacitive coupling
  • H04B5/0093 - with one coil at each side

• US Classifications

  • 329 - Demodulators
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 455 - Telecommunications