3418636

Information

• Patent Grant
• 3418636

• References
• Source

• Patent Number

  3,418,636

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1968
  56 years ago

• CPC

  • G08C19/12 - in which the signal transmitted is frequency or phase of ac
  • G01V1/06 - Ignition devices

• US Classifications

  • 340 - Communications: electrical
  • 367 - Communications, electrical: acoustic wave systems and devices