GB2167254B - Frequency standards - Google Patents

Frequency standards

Info

Publication number
GB2167254B
GB2167254B GB8526715A GB8526715A GB2167254B GB 2167254 B GB2167254 B GB 2167254B GB 8526715 A GB8526715 A GB 8526715A GB 8526715 A GB8526715 A GB 8526715A GB 2167254 B GB2167254 B GB 2167254B
Authority
GB
United Kingdom
Prior art keywords
frequency standards
standards
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8526715A
Other versions
GB8526715D0 (en
GB2167254A (en
Inventor
Nigel Charles Helsby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB8526715D0 publication Critical patent/GB8526715D0/en
Publication of GB2167254A publication Critical patent/GB2167254A/en
Application granted granted Critical
Publication of GB2167254B publication Critical patent/GB2167254B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB8526715A 1984-10-30 1985-10-30 Frequency standards Expired GB2167254B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848427378A GB8427378D0 (en) 1984-10-30 1984-10-30 Frequency standards

Publications (3)

Publication Number Publication Date
GB8526715D0 GB8526715D0 (en) 1985-12-04
GB2167254A GB2167254A (en) 1986-05-21
GB2167254B true GB2167254B (en) 1989-06-01

Family

ID=10568952

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848427378A Pending GB8427378D0 (en) 1984-10-30 1984-10-30 Frequency standards
GB8526715A Expired GB2167254B (en) 1984-10-30 1985-10-30 Frequency standards

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848427378A Pending GB8427378D0 (en) 1984-10-30 1984-10-30 Frequency standards

Country Status (1)

Country Link
GB (2) GB8427378D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297883B (en) * 1995-02-07 1999-08-11 Nokia Mobile Phones Ltd Radio telephone
GB2297884B (en) * 1995-02-07 1999-05-26 Nokia Mobile Phones Ltd Radio telephone
GB2297854B (en) * 1995-02-07 1999-04-07 Nokia Mobile Phones Ltd Real time clock

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007429A (en) * 1976-01-19 1977-02-08 Gte International Incorporated Phase-locked loop having a switched lowpass filter
GB1501403A (en) * 1974-04-12 1978-02-15 Cselt Centro Studi Lab Telecom Signal transmission systems including phase synchronisation means
US4115745A (en) * 1977-10-04 1978-09-19 Gte Sylvania Incorporated Phase lock speed-up circuit
GB1603616A (en) * 1978-05-24 1981-11-25 Gen Electric Co Ltd Electric oscillator circuit arrangements
GB2100077A (en) * 1981-04-15 1982-12-15 Sony Corp Phase locked loop circuit
GB2132042A (en) * 1982-12-15 1984-06-27 British Broadcasting Corp Frequency and timing sources

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1501403A (en) * 1974-04-12 1978-02-15 Cselt Centro Studi Lab Telecom Signal transmission systems including phase synchronisation means
US4007429A (en) * 1976-01-19 1977-02-08 Gte International Incorporated Phase-locked loop having a switched lowpass filter
US4115745A (en) * 1977-10-04 1978-09-19 Gte Sylvania Incorporated Phase lock speed-up circuit
GB1603616A (en) * 1978-05-24 1981-11-25 Gen Electric Co Ltd Electric oscillator circuit arrangements
GB2100077A (en) * 1981-04-15 1982-12-15 Sony Corp Phase locked loop circuit
GB2132042A (en) * 1982-12-15 1984-06-27 British Broadcasting Corp Frequency and timing sources

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
F.M. Gardner, "Phaselock Techniques", Second Edition 1979, John Wiley, *

Also Published As

Publication number Publication date
GB8526715D0 (en) 1985-12-04
GB2167254A (en) 1986-05-21
GB8427378D0 (en) 1984-12-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041030