3900796

Information

• Patent Grant
• 3900796

• References
• Source

• Patent Number

  3,900,796

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • G01P3/60 - by measuring or comparing frequency of generated currents or voltages
  • G01P1/106 - by comparing the time duration between two impulses with a reference time

• US Classifications

  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical
  • 360 - Dynamic magnetic information storage or retrieval
  • 361 - Electricity: electrical systems and devices