FR2631137B1 - Horloge atomique - Google Patents

Horloge atomique

Info

Publication number
FR2631137B1
FR2631137B1 FR8905864A FR8905864A FR2631137B1 FR 2631137 B1 FR2631137 B1 FR 2631137B1 FR 8905864 A FR8905864 A FR 8905864A FR 8905864 A FR8905864 A FR 8905864A FR 2631137 B1 FR2631137 B1 FR 2631137B1
Authority
FR
France
Prior art keywords
atomic clock
atomic
clock
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 - Fee Related
Application number
FR8905864A
Other languages
English (en)
Other versions
FR2631137A1 (fr
Inventor
Stern Avinoam
Lepek Alexander
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.)
TIME FREQUENCY Ltd
Original Assignee
TIME FREQUENCY Ltd
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 TIME FREQUENCY Ltd filed Critical TIME FREQUENCY Ltd
Publication of FR2631137A1 publication Critical patent/FR2631137A1/fr
Application granted granted Critical
Publication of FR2631137B1 publication Critical patent/FR2631137B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/14—Apparatus for producing preselected time intervals for use as timing standards using atomic clocks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR8905864A 1988-05-06 1989-05-03 Horloge atomique Expired - Fee Related FR2631137B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL86301A IL86301A0 (en) 1988-05-06 1988-05-06 Elimination of magnetic influence on atomic clocks

Publications (2)

Publication Number Publication Date
FR2631137A1 FR2631137A1 (fr) 1989-11-10
FR2631137B1 true FR2631137B1 (fr) 1994-03-25

Family

ID=11058811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8905864A Expired - Fee Related FR2631137B1 (fr) 1988-05-06 1989-05-03 Horloge atomique

Country Status (3)

Country Link
US (1) US4953148A (fr)
FR (1) FR2631137B1 (fr)
IL (1) IL86301A0 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07219672A (ja) * 1994-01-28 1995-08-18 Fujitsu Ltd 高精度時計回路
US5457430A (en) * 1994-11-10 1995-10-10 Ball Corporation Method and apparatus for reduction of light intensity decay in optical pumping devices
US5706256A (en) * 1995-12-22 1998-01-06 Johnson & Johnson Medical Inc. Clock frequency coordination for electromagnetic compatibility
US7893780B2 (en) * 2008-06-17 2011-02-22 Northrop Grumman Guidance And Electronic Company, Inc. Reversible alkali beam cell
US9048852B2 (en) 2011-03-01 2015-06-02 National Research Council Of Canada Frequency stabilization of an atomic clock against variations of the C-field

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159195A (en) * 1978-06-07 1979-12-15 Fujitsu Ltd Atomic oscillator of gas cell type
US4331933A (en) * 1978-07-19 1982-05-25 The United States Of America As Represented By The Secretary Of The Air Force Microwave power level stabilizing circuit for cesium beam frequency standards
US4446446A (en) * 1981-07-17 1984-05-01 Rockwell International Corporation Programmable frequency synthesizer primarily for use in an atomic clock
US4476445A (en) * 1982-05-18 1984-10-09 Eg&G, Inc. Methods and apparatus for rapid and accurate frequency syntonization of an atomic clock

Also Published As

Publication number Publication date
IL86301A0 (en) 1988-11-15
FR2631137A1 (fr) 1989-11-10
US4953148A (en) 1990-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse