3626205

Information

• Patent Grant
• 3626205

• References
• Source

• Patent Number

  3,626,205

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1971
  53 years ago

• CPC

  • H01H47/20 - for producing frequency-selective operation of the relay
  • G01R25/00 - Arrangements for measuring phase angle between a voltage and a current, or between voltages or currents
  • G04F10/10 - by measuring electric or magnetic quantities changing in proportion to time

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 968 - Horology