2775646

Information

• Patent Grant
• 2775646

• References
• Source

• Patent Number

  2,775,646

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1956
  69 years ago

• CPC

  • H04H20/88 - Stereophonic broadcast systems
  • H04J1/18 - in which all the carriers are amplitude-modulated

• US Classifications

  • 455 - Telecommunications
  • 370 - Multiplex communications