2398054

Information

• Patent Grant
• 2398054

• References
• Source

• Patent Number

  2,398,054

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1946
  79 years ago

• CPC

  • H03C3/38 - by converting amplitude modulation to angle modulation
  • H03D3/26 - by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
  • H04B14/006 - Angle modulation
  • H04B14/08 - characterised by the use of a sub-carrier
  • H04N1/00103 - specially adapted for radio transmission
  • H04N7/045 - the carrier being frequency modulated

• US Classifications

  • 332 - Modulators
  • 348 - Television