CA2127809A1 - Base de temps stabilises resistant aux temperatures elevees - Google Patents

Base de temps stabilises resistant aux temperatures elevees

Info

Publication number
CA2127809A1
CA2127809A1 CA002127809A CA2127809A CA2127809A1 CA 2127809 A1 CA2127809 A1 CA 2127809A1 CA 002127809 A CA002127809 A CA 002127809A CA 2127809 A CA2127809 A CA 2127809A CA 2127809 A1 CA2127809 A1 CA 2127809A1
Authority
CA
Canada
Prior art keywords
time base
isolation enclosure
predetermined temperature
stabilized time
temperature range
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.)
Abandoned
Application number
CA002127809A
Other languages
English (en)
Inventor
Kenneth L. Jones
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.)
Western Atlas International Inc
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 CA2127809A1 publication Critical patent/CA2127809A1/fr
Abandoned 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
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/04—Constructional details for maintaining temperature constant
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Control Of Temperature (AREA)
CA002127809A 1992-11-13 1993-11-11 Base de temps stabilises resistant aux temperatures elevees Abandoned CA2127809A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97588292A 1992-11-13 1992-11-13
US07/975,882 1992-11-13

Publications (1)

Publication Number Publication Date
CA2127809A1 true CA2127809A1 (fr) 1994-05-26

Family

ID=25523531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002127809A Abandoned CA2127809A1 (fr) 1992-11-13 1993-11-11 Base de temps stabilises resistant aux temperatures elevees

Country Status (4)

Country Link
EP (1) EP0635137A4 (fr)
CA (1) CA2127809A1 (fr)
NO (1) NO942573L (fr)
WO (1) WO1994011763A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110597317A (zh) * 2019-09-24 2019-12-20 国网江苏省电力有限公司电力科学研究院 一种用于标准时钟装置的温度柔性可调恒温槽

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998024695A2 (fr) * 1996-12-06 1998-06-11 Corning Incorporated Boitier pour composants optiques plans thermosensibles
US5994679A (en) * 1997-12-19 1999-11-30 Lucent Technologies Inc. Thermal housing for optical circuits
US6166608A (en) * 1998-10-21 2000-12-26 Symmetricom, Inc. Thermo-electric cooled oven controlled crystal oscillator
EP1297312A2 (fr) * 2000-06-23 2003-04-02 Kaiser Electroprecision Capteur pouvant fonctionner au-dela de ses limites de temperature ambiante de fonctionnement
US6501340B1 (en) * 2002-02-11 2002-12-31 Acr Electronics, Inc. Oscillator with frequency stabilizing circuit and method of constructing same
US7717167B2 (en) 2004-12-03 2010-05-18 Halliburton Energy Services, Inc. Switchable power allocation in a downhole operation
US8020621B2 (en) * 2007-05-08 2011-09-20 Baker Hughes Incorporated Downhole applications of composites having aligned nanotubes for heat transport
US8248173B2 (en) * 2010-04-27 2012-08-21 The Charles Stark Draper Laboratory, Inc. Devices, systems, and methods for controlling the temperature of resonant elements
US10280739B2 (en) 2014-12-05 2019-05-07 Halliburton Energy Services, Inc. Downhole clock calibration apparatus, systems, and methods
FR3107628B1 (fr) * 2020-02-21 2022-12-02 St Microelectronics Grenoble 2 Compensation de dérive
FR3107626B1 (fr) 2020-02-21 2022-03-11 St Microelectronics Grenoble 2 Compensation de dérive

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167630A (en) * 1936-04-02 1939-08-01 Sperry Sun Well Surveying Co Electrical prospecting method and apparatus
US2709753A (en) * 1941-10-01 1955-05-31 Schlumberger Well Surv Corp Temperature compensated bore hole radioactivity apparatus
US2433554A (en) * 1942-10-27 1947-12-30 Texas Co Well logging apparatus
US2507351A (en) * 1945-11-23 1950-05-09 Well Surveys Inc Transmitting of information in drill holes
US2760078A (en) * 1952-05-27 1956-08-21 Well Surveys Inc Conduction counter for radioactivity well logging
US2942461A (en) * 1955-12-16 1960-06-28 Texaco Inc Well bore hole logging
US3038074A (en) * 1959-11-06 1962-06-05 Serge A Scherbatskoy Temperature-regulated well-logging apparatus
US3167653A (en) * 1962-11-29 1965-01-26 Jersey Prod Res Co Cooling radiation detectors in well logging apparatus
USB403027I5 (fr) * 1963-06-13 1900-01-01
US3925749A (en) * 1973-09-24 1975-12-09 Western Co Of North America Asynthronous pulse telemetry system and method
FR2418953A1 (fr) * 1978-03-03 1979-09-28 Cepe Dispositif de regulation thermique d'une enceinte, notamment pour cristal piezoelectrique oscillant, et enceinte comportant un tel dispositif
US4230945A (en) * 1978-04-24 1980-10-28 Meir Vladimir A Device for detecting ionizing radiation
US4157466A (en) * 1978-07-31 1979-06-05 Herrin James R Crystal oven for maintaining crystals at a predetermined temperature
US4517459A (en) * 1981-11-02 1985-05-14 Texaco Inc. Temperature stabilization system for a radiation detector in a well logging tool
ATE77185T1 (de) * 1987-09-28 1992-06-15 Siemens Ag Verfahren zur temperaturkompensation eines spannungsgesteuerten quarzoszillators in einem phasenregelkreis.
US4967166A (en) * 1989-12-07 1990-10-30 Schlumberger Technology Corporation Crystal oscillator and method for mounting the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110597317A (zh) * 2019-09-24 2019-12-20 国网江苏省电力有限公司电力科学研究院 一种用于标准时钟装置的温度柔性可调恒温槽

Also Published As

Publication number Publication date
NO942573D0 (no) 1994-07-08
NO942573L (no) 1994-07-08
EP0635137A1 (fr) 1995-01-25
EP0635137A4 (fr) 1995-04-19
WO1994011763A1 (fr) 1994-05-26

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Legal Events

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FZDE Dead