3803490

Information

• Patent Grant
• 3803490

• References
• Source

• Patent Number

  3,803,490

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  51 years ago

• CPC

  • H04H20/49 - for AM stereophonic broadcast systems
  • H04B1/68 - for wholly or partially suppressing the carrier or one side band or by using special modulation methods
  • H04J1/18 - in which all the carriers are amplitude-modulated

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 455 - Telecommunications