3678185

Information

• Patent Grant
• 3678185

• References
• Source

• Patent Number

  3,678,185

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • H04N9/66 - for synchronous demodulators
  • H03D1/229 - using at least a two emittor-coupled differential pair of transistors
  • H03D13/007 - by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
  • H04N5/126 - whereby the synchronisation signal indirectly commands a frequency generator

• US Classifications

  • 348 - Television
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 329 - Demodulators