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DE69708632D1 - Wasserstoffsynchronisation - Google Patents

Wasserstoffsynchronisation

Info

Publication number
DE69708632D1
DE69708632D1 DE69708632T DE69708632T DE69708632D1 DE 69708632 D1 DE69708632 D1 DE 69708632D1 DE 69708632 T DE69708632 T DE 69708632T DE 69708632 T DE69708632 T DE 69708632T DE 69708632 D1 DE69708632 D1 DE 69708632D1
Authority
DE
Germany
Prior art keywords
sync
hydrogen
hydrogen sync
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 - Lifetime
Application number
DE69708632T
Other languages
English (en)
Other versions
DE69708632T2 (de
Inventor
E Langlet
Bertil Noren
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69708632D1 publication Critical patent/DE69708632D1/de
Publication of DE69708632T2 publication Critical patent/DE69708632T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
DE69708632T 1996-06-20 1997-06-20 Wasserstoffsynchronisation Expired - Lifetime DE69708632T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2012796P 1996-06-20 1996-06-20
US08/877,873 US5847613A (en) 1996-06-20 1997-06-18 Compensation of long term oscillator drift using signals from distant hydrogen clouds
PCT/US1997/010105 WO1997049009A1 (en) 1996-06-20 1997-06-20 Hydrogen sync

Publications (2)

Publication Number Publication Date
DE69708632D1 true DE69708632D1 (de) 2002-01-10
DE69708632T2 DE69708632T2 (de) 2002-08-01

Family

ID=26693061

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69708632T Expired - Lifetime DE69708632T2 (de) 1996-06-20 1997-06-20 Wasserstoffsynchronisation

Country Status (5)

Country Link
US (1) US5847613A (de)
EP (1) EP0906592B1 (de)
AU (1) AU3569797A (de)
DE (1) DE69708632T2 (de)
WO (1) WO1997049009A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003049391A1 (en) * 2001-12-05 2003-06-12 Nokia Corporation Frequency offset correction based on the presence or absence of a received signal
JP4113927B2 (ja) * 2003-11-28 2008-07-09 テクトロニクス・インターナショナル・セールス・ゲーエムベーハー 周波数変換回路の周波数特性測定及び校正方法
US7660201B2 (en) * 2006-08-22 2010-02-09 Autoseis, Inc. Autonomous seismic data acquisition unit
US9170344B2 (en) * 2009-08-31 2015-10-27 Autoseis, Inc. System and method for deployment of seismic data recorders
US8427900B2 (en) 2010-05-27 2013-04-23 Global Geophysical Services, Inc. Method for deployment of seismic recorder array with removable data recorders
US8818311B2 (en) 2012-12-21 2014-08-26 Qualcomm Incorporated Apparatus and method of harmonic selection for mixing with a received signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386049A (en) * 1966-12-21 1968-05-28 Varian Associates Frequency correction circuit for an averaging frequency combiner
US3402362A (en) * 1966-12-21 1968-09-17 Varian Associates Apparatus for generating a signal having a frequency equal to the average frequency of a plurality of frequency sources
FR2148329B1 (de) * 1971-08-06 1974-03-29 Anvar
US4122408A (en) * 1977-11-14 1978-10-24 The United States Of America As Represented By The Secretary Of Commerce Frequency stabilization utilizing multiple modulation
US4499433A (en) * 1981-07-31 1985-02-12 Frequency And Time Systems, Inc. Autolock for resonators for frequency standards
JP3085511B2 (ja) * 1994-11-24 2000-09-11 株式会社アドバンテスト 基準周波数発生装置

Also Published As

Publication number Publication date
AU3569797A (en) 1998-01-07
DE69708632T2 (de) 2002-08-01
US5847613A (en) 1998-12-08
WO1997049009A1 (en) 1997-12-24
EP0906592B1 (de) 2001-11-28
EP0906592A1 (de) 1999-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition