FR1206700A - Méthode et appareils perfectionnés pour l'utilisation d'un ensemble de corps gyromagnétiques - Google Patents

Méthode et appareils perfectionnés pour l'utilisation d'un ensemble de corps gyromagnétiques

Info

Publication number
FR1206700A
FR1206700A FR1206700DA FR1206700A FR 1206700 A FR1206700 A FR 1206700A FR 1206700D A FR1206700D A FR 1206700DA FR 1206700 A FR1206700 A FR 1206700A
Authority
FR
France
Prior art keywords
improved method
gyromagnetic bodies
gyromagnetic
bodies
improved
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
Other languages
English (en)
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of FR1206700A publication Critical patent/FR1206700A/fr
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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/46—NMR spectroscopy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
    • H01S1/02—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range solid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
    • H01S1/04—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Hall/Mr Elements (AREA)
FR1206700D 1957-05-02 1958-05-02 Méthode et appareils perfectionnés pour l'utilisation d'un ensemble de corps gyromagnétiques Expired FR1206700A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US656606A US3075156A (en) 1957-05-02 1957-05-02 Gyromagnetic method and apparatus

Publications (1)

Publication Number Publication Date
FR1206700A true FR1206700A (fr) 1960-02-11

Family

ID=24633773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1206700D Expired FR1206700A (fr) 1957-05-02 1958-05-02 Méthode et appareils perfectionnés pour l'utilisation d'un ensemble de corps gyromagnétiques

Country Status (5)

Country Link
US (1) US3075156A (fr)
CH (1) CH369799A (fr)
DE (1) DE1170019B (fr)
FR (1) FR1206700A (fr)
GB (2) GB892101A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172035A (en) * 1961-05-08 1965-03-02 Varian Associates Probe for a gyromagnetic resonance apparatus

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195061A (en) * 1965-07-13 Radio frequency amplification by stimulated emission of radiation
US3378686A (en) * 1963-04-08 1968-04-16 California Inst Res Found Method of operating a laser as a super-regenerative detector
US3430128A (en) * 1965-03-26 1969-02-25 Amory B Lovins Method and means for observing nuclear magnetic resonances
US3461381A (en) * 1968-06-14 1969-08-12 Varian Associates Phase sensitive analog fourier analyzer readout for stored impulse resonance spectral data
US4219775A (en) * 1969-06-11 1980-08-26 Westinghouse Electric Corp. Electron spin echo system having magnetic field shift during generation of the echo signal
US4093910A (en) * 1977-02-22 1978-06-06 Varian Associates, Inc. Nuclear magnetic resonance pick-up circuit for control of resonance conditions
US8148981B2 (en) * 2007-12-20 2012-04-03 Kabushiki Kaisha Toshiba MRI apparatus and MRI method for SSFP with center frequency and 1st order gradient moments zeroed
WO2010068812A1 (fr) * 2008-12-10 2010-06-17 Abqmr, Inc. Appareil à résonance magnétique nucléaire, procédés et technologie associée
DE102016204733B4 (de) 2015-12-30 2019-05-09 Forschungszentrum Jülich GmbH CW-Maser mit elektromagnetischem Schwingkreis

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677758A (en) * 1945-12-10 1954-05-04 Us Sec War Electrical tracking circuit
US2589494A (en) * 1948-07-20 1952-03-18 Rca Corp Stabilizing method and system utilizing nuclear precession
US2793360A (en) * 1951-05-31 1957-05-21 Hughes Aircraft Co Devices employing the precession resonance of paramagnetic media
US2721970A (en) * 1952-01-30 1955-10-25 Varian Associates Method and means for identifying substances
US2820944A (en) * 1952-09-23 1958-01-21 Philco Corp Method of and means for measuring frequency
US2743322A (en) * 1952-11-29 1956-04-24 Bell Telephone Labor Inc Solid state amplifier
US2802944A (en) * 1953-12-30 1957-08-13 Rca Corp Oscillators employing microwave resonant substance
US2762872A (en) * 1954-12-01 1956-09-11 Robert H Dicke Microwave amplifier employing a microwave resonant gas as the amplifying element
US2762871A (en) * 1954-12-01 1956-09-11 Robert H Dicke Amplifier employing microwave resonant substance
NL221512A (fr) * 1956-10-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172035A (en) * 1961-05-08 1965-03-02 Varian Associates Probe for a gyromagnetic resonance apparatus

Also Published As

Publication number Publication date
GB892101A (en) 1962-03-21
CH369799A (de) 1963-06-15
GB892100A (en) 1962-03-21
DE1170019B (de) 1964-05-14
US3075156A (en) 1963-01-22

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