FR2415818B1 - - Google Patents

Info

Publication number
FR2415818B1
FR2415818B1 FR7902190A FR7902190A FR2415818B1 FR 2415818 B1 FR2415818 B1 FR 2415818B1 FR 7902190 A FR7902190 A FR 7902190A FR 7902190 A FR7902190 A FR 7902190A FR 2415818 B1 FR2415818 B1 FR 2415818B1
Authority
FR
France
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
FR7902190A
Other languages
French (fr)
Other versions
FR2415818A1 (fr
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.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments 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 Beckman Instruments Inc filed Critical Beckman Instruments Inc
Publication of FR2415818A1 publication Critical patent/FR2415818A1/fr
Application granted granted Critical
Publication of FR2415818B1 publication Critical patent/FR2415818B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • G01T1/172—Circuit arrangements not adapted to a particular type of detector with coincidence circuit arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
FR7902190A 1978-01-30 1979-01-29 Methode et dispositif pour determiner un taux de compte de coincidences fortuites dans un compteur a scintillation utilisant la technique de coincidence Granted FR2415818A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/873,318 US4181855A (en) 1978-01-30 1978-01-30 Method and apparatus for determining random coincidence count rate in a scintillation counter utilizing the coincidence technique

Publications (2)

Publication Number Publication Date
FR2415818A1 FR2415818A1 (fr) 1979-08-24
FR2415818B1 true FR2415818B1 (e) 1984-06-29

Family

ID=25361395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902190A Granted FR2415818A1 (fr) 1978-01-30 1979-01-29 Methode et dispositif pour determiner un taux de compte de coincidences fortuites dans un compteur a scintillation utilisant la technique de coincidence

Country Status (8)

Country Link
US (1) US4181855A (e)
BE (1) BE873758A (e)
CH (1) CH631551A5 (e)
DE (1) DE2903050A1 (e)
FR (1) FR2415818A1 (e)
GB (1) GB2013880B (e)
NL (1) NL7900685A (e)
SE (1) SE435764B (e)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447558A1 (fr) * 1979-01-26 1980-08-22 Commissariat Energie Atomique Dispositif de visualisation d'un corps par detection du rayonnement d'un traceur contenu dans ce corps
US4284890A (en) * 1979-08-27 1981-08-18 Montreal Neurological Institute Coincidence analysis circuit for positron annihilation imaging device
SE8007290L (sv) * 1979-10-18 1981-04-19 Ortec Inc Tomografiavsokningsanordning
US4421986A (en) * 1980-11-21 1983-12-20 The United States Of America As Represented By The Department Of Health And Human Services Nuclear pulse discriminator
US4395635A (en) * 1981-01-26 1983-07-26 The United States Of America As Represented By The Department Of Health And Human Services Gamma ray coincidence analysis system
US4408297A (en) * 1981-02-11 1983-10-04 Theodosiou George E Reduction in maximum time uncertainty of paired time signals
US4418282A (en) * 1981-06-29 1983-11-29 Beckman Instruments, Inc. Method and apparatus for determining random coincidence count rate in a scintillation counter utilizing the coincidence technique
US4559597A (en) * 1982-07-07 1985-12-17 Clayton Foundation For Research Three-dimensional time-of-flight positron emission camera system
SE445495B (sv) * 1984-11-09 1986-06-23 Wallac Oy Vetskescintillationsreknare
US4651006A (en) * 1985-04-08 1987-03-17 Packard Instrument Company, Inc. Reduced background scintillation counting
US5146093A (en) * 1985-04-08 1992-09-08 Packard Instrument Company, Inc. Liquid scintillation measurement system with active guard shield
US4748348A (en) * 1986-12-29 1988-05-31 Tektronix, Inc. Multi-level pattern detector for a single signal
CA1280224C (en) * 1987-08-27 1991-02-12 Daniel Gagnon Method and circuit for processing narrow band signals located in a wide band having disturbance
FI902332A (fi) * 1990-05-10 1991-11-11 Wallac Oy Foerfarande foer observering, registrering och analysering av scintillationsfoereteelser vid scintillationsraekning.
US5834779A (en) * 1997-05-30 1998-11-10 Adac Laboratories Method and apparatus for performing correction for random coincidences in a medical imaging system
US6100531A (en) * 1998-04-17 2000-08-08 Adac Laboratories Dual-purpose radiation transmission source for nuclear medicine imaging system
US5999588A (en) * 1998-04-17 1999-12-07 Adac Laboratories Deadtime correction in a nuclear medicine imaging system
US5998793A (en) * 1998-04-17 1999-12-07 Adac Laboratories Method and apparatus for correcting for random coincidences in a nuclear medicine imaging system
US6291825B1 (en) 1998-10-23 2001-09-18 Adac Laboratories Method and apparatus for performing pulse pile-up corrections in a gamma camera system
US6160259A (en) * 1998-10-23 2000-12-12 Adac Laboratories Channel-specific control of pulse integration in a gamma camera system in response to pulse pile-up
US6169285B1 (en) 1998-10-23 2001-01-02 Adac Laboratories Radiation-based imaging system employing virtual light-responsive elements
US6198104B1 (en) 1998-10-23 2001-03-06 Adac Laboratories Randoms correction using artificial trigger pulses in a gamma camera system
US6294788B1 (en) * 1999-08-18 2001-09-25 Marconi Medical Systems, Inc. Randoms correction in positron imaging
US7894576B2 (en) * 2006-11-30 2011-02-22 Koninklijke Philips Electronics N.V. Spectral computed tomography using correlated photon number and energy measurements
US20090039270A1 (en) * 2007-08-08 2009-02-12 Cabral Jr Cyril Large-area alpha-particle detector and method for use
US8543356B2 (en) * 2008-01-24 2013-09-24 National Institute Of Standards And Technology Low cost multi-channel data acquisition system
CN103559391B (zh) * 2013-10-23 2016-10-05 沈阳东软医疗系统有限公司 判定随机符合事件和判定真符合事件的方法及装置
JP6294929B1 (ja) * 2016-09-27 2018-03-14 株式会社日立製作所 放射線測定装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725657A (en) * 1969-01-21 1973-04-03 Nuclear Chicago Corp Method and apparatus for determining efficiency in a liquid scintillation counting system
US3772512A (en) * 1971-07-02 1973-11-13 Searle & Co Liquid scintillation coincidence detector
FR2331797A1 (fr) * 1975-11-17 1977-06-10 Intertechnique Sa Perfectionnements aux procedes et dispositifs de comptage, notamment de comptage a scintillation liquide
US4071761A (en) * 1976-06-07 1978-01-31 Beckman Instruments, Inc. Method for determining random coincidence count rate in a scintillation counter utilizing the coincidence technique

Also Published As

Publication number Publication date
GB2013880A (en) 1979-08-15
US4181855A (en) 1980-01-01
SE435764B (sv) 1984-10-15
BE873758A (fr) 1979-05-16
CH631551A5 (fr) 1982-08-13
DE2903050A1 (de) 1979-08-02
NL7900685A (nl) 1979-08-01
FR2415818A1 (fr) 1979-08-24
GB2013880B (en) 1982-09-02
SE7900767L (sv) 1979-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse