3614630

Information

• Patent Grant
• 3614630

• References
• Source

• Patent Number

  3,614,630

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1971
  53 years ago

• CPC

  • G04F5/06 - using piezoelectric resonators
  • G04G7/02 - by radio
  • G04R40/02 - by phase locking
  • H03B5/36 - active element in amplifier being semiconductor device
  • H03L7/081 - provided with an additional controlled phase shifter
  • H03L7/087 - using at least two phase detectors or a frequency and phase detector in the loop
  • H03L7/14 - for assuring constant frequency when supply or correction voltages fail or are interrupted
  • H03B2200/0012 - Pierce oscillator

• US Classifications

  • 455 - Telecommunications
  • 331 - Oscillators
  • 968 - Horology