3717858

Information

• Patent Grant
• 3717858

• References
• Source

• Patent Number

  3,717,858

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • G08C19/26 - by varying pulse repetition frequency
  • Y10S323/901 - Starting circuits

• US Classifications

  • 340 - Communications: electrical
  • 323 - Electricity: power supply or regulation systems