3833999

Information

• Patent Grant
• 3833999

• References
• Source

• Patent Number

  3,833,999

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • H03H3/013 - for obtaining desired frequency or temperature coefficient
  • B23K26/351 - for trimming or tuning of electrical components
  • G04C3/107 - Controlling frequency or amplitude of the oscillating system
  • G04D3/0069 - for working with non-mechanical means
  • G04F5/06 - using piezoelectric resonators
  • Y10T29/42 - Piezoelectric device making
  • Y10T29/49009 - Dynamoelectric machine
  • Y10T29/49774 - by vibratory or oscillatory movement

• US Classifications

  • 029 - Metal working
  • 219 - Electric heating
  • 324 - Electricity: measuring and testing
  • 968 - Horology