3491299

Information

• Patent Grant
• 3491299

• References
• Source

• Patent Number

  3,491,299

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  54 years ago

• CPC

  • G08C19/06 - using variable inductance

• US Classifications

  • 340 - Communications: electrical
  • 332 - Modulators
  • 455 - Telecommunications