FR2325054A1 - Circuits de traitement de signaux pour camera a rayons gamma - Google Patents

Circuits de traitement de signaux pour camera a rayons gamma

Info

Publication number
FR2325054A1
FR2325054A1 FR7628074A FR7628074A FR2325054A1 FR 2325054 A1 FR2325054 A1 FR 2325054A1 FR 7628074 A FR7628074 A FR 7628074A FR 7628074 A FR7628074 A FR 7628074A FR 2325054 A1 FR2325054 A1 FR 2325054A1
Authority
FR
France
Prior art keywords
gamma
radius
camera
signal processing
processing circuits
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.)
Granted
Application number
FR7628074A
Other languages
English (en)
Other versions
FR2325054B3 (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.)
Elscint Ltd
Original Assignee
Elscint 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 Elscint Ltd filed Critical Elscint Ltd
Publication of FR2325054A1 publication Critical patent/FR2325054A1/fr
Application granted granted Critical
Publication of FR2325054B3 publication Critical patent/FR2325054B3/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
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nuclear Medicine (AREA)
  • Measurement Of Radiation (AREA)
FR7628074A 1975-09-17 1976-09-17 Circuits de traitement de signaux pour camera a rayons gamma Granted FR2325054A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL48111A IL48111A (en) 1975-09-17 1975-09-17 Scintillation camera with energy window correction

Publications (2)

Publication Number Publication Date
FR2325054A1 true FR2325054A1 (fr) 1977-04-15
FR2325054B3 FR2325054B3 (fr) 1979-10-12

Family

ID=11048453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628074A Granted FR2325054A1 (fr) 1975-09-17 1976-09-17 Circuits de traitement de signaux pour camera a rayons gamma

Country Status (5)

Country Link
US (1) US4095108B1 (fr)
DE (1) DE2641775A1 (fr)
FR (1) FR2325054A1 (fr)
GB (1) GB1555085A (fr)
IL (1) IL48111A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002540A2 (fr) * 1977-12-21 1979-06-27 Medtronic, Inc. Dispositif pour la formation d'images de radiations
EP0007698A1 (fr) * 1978-06-19 1980-02-06 Picker Corporation Méthode et dispositif pour la correction d'uniformité d'une caméra à scintillation
US4281382A (en) * 1977-12-21 1981-07-28 Medtronic, Inc. Radiation signal processing system
US5500886A (en) * 1994-04-06 1996-03-19 Thermospectra X-ray position measuring and calibration device

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817038A (en) * 1977-12-21 1989-03-28 Siemens Gammasonics, Inc. Radiation signal processing system
US4323977A (en) * 1979-11-20 1982-04-06 Siemens Gammasonics, Inc. Non-uniformity energy correction method and apparatus
US4369495A (en) * 1980-06-19 1983-01-18 Elscint Ltd. Method of and means for compensating for the dead time of a gamma camera
US4573122A (en) * 1980-06-19 1986-02-25 Elscint, Ltd. Method of and means for compensating for the dead time of a gamma camera
US4588897A (en) * 1980-06-19 1986-05-13 Elscint, Ltd. Gamma camera correction system and method for using the same
US4546255A (en) * 1982-04-12 1985-10-08 Medtronic, Inc. Energy window selection for a radiation signal processing system
FR2546633B1 (fr) * 1983-05-27 1985-07-05 Thomson Csf Procede de traitement des impulsions de localisation delivrees par une gammacamera et gammacamera mettant en oeuvre ce procede
US4755680A (en) * 1984-04-27 1988-07-05 The Curators Of The University Of Missouri Radiation imaging apparatus and methods
US4873632A (en) * 1984-04-27 1989-10-10 The Curators Of The University Of Missouri Apparatus and methods for scatter reduction in radiation imaging
US4899054A (en) * 1988-01-19 1990-02-06 General Electric Company Gamma camera with image uniformity by energy correction offsets
US5561297A (en) * 1993-07-12 1996-10-01 Sopha Medical Systems, Inc. Scatter correcting gamma-ray camera
US5444253A (en) * 1994-01-04 1995-08-22 Elscint Ltd. Gamma camera event location system
US5504333A (en) * 1994-07-29 1996-04-02 Kabushiki Kaisha Toshiba Scintillation camera
US7820977B2 (en) * 2005-02-04 2010-10-26 Steve Beer Methods and apparatus for improved gamma spectra generation
US8173970B2 (en) * 2005-02-04 2012-05-08 Dan Inbar Detection of nuclear materials
US7847260B2 (en) 2005-02-04 2010-12-07 Dan Inbar Nuclear threat detection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011057A (en) * 1958-01-02 1961-11-28 Hal O Anger Radiation image device
US3714429A (en) * 1970-09-28 1973-01-30 Afee J Mc Tomographic radioisotopic imaging with a scintillation camera
US3745345A (en) * 1971-11-09 1973-07-10 Nuclear Chicago Corp Radiation imaging device
GB1427722A (en) * 1972-03-08 1976-03-10 Nat Res Dev Radiation position detectors
US3851177A (en) * 1973-02-23 1974-11-26 Searle & Co Scintillation camera with improved linearity
US3953735A (en) * 1973-06-14 1976-04-27 Ohio Nuclear, Inc. Radiation sensing device
NL7411817A (nl) * 1973-09-07 1975-03-11 Elscint Ltd Scintillatiecamera.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002540A2 (fr) * 1977-12-21 1979-06-27 Medtronic, Inc. Dispositif pour la formation d'images de radiations
EP0002540A3 (en) * 1977-12-21 1979-07-11 Medtronic, Inc. Radiation imaging system
US4281382A (en) * 1977-12-21 1981-07-28 Medtronic, Inc. Radiation signal processing system
EP0007698A1 (fr) * 1978-06-19 1980-02-06 Picker Corporation Méthode et dispositif pour la correction d'uniformité d'une caméra à scintillation
US5500886A (en) * 1994-04-06 1996-03-19 Thermospectra X-ray position measuring and calibration device

Also Published As

Publication number Publication date
US4095108A (en) 1978-06-13
DE2641775A1 (de) 1977-08-04
US4095108B1 (en) 1995-01-31
GB1555085A (en) 1979-11-07
DE2641775C2 (fr) 1988-03-03
FR2325054B3 (fr) 1979-10-12
IL48111A (en) 1979-01-31
IL48111A0 (en) 1976-03-31

Similar Documents

Publication Publication Date Title
FR2325054A1 (fr) Circuits de traitement de signaux pour camera a rayons gamma
BE865322A (fr) Appareil electronique pour le traitement de signaux
FR2311463A1 (fr) Dispositif pour le traitement d'images
BE835514A (fr) Dispositif de traitement de signaux numeriques
SE7604608L (sv) Anordning for behandling av digitala informationselement
FR2327676A1 (fr) Dispositif de traitement de signaux par dispositif a transfert de charge
FR2277483A1 (fr) Dispositif de traitement de signaux de television
BE798922A (fr) Dispositif de traitement de signaux analogiques
FR2408254B1 (fr) Circuit de traitement d'information numerique pour magnetophone
FR2522232B1 (fr) Dispositif de traitement de signaux numeriques
FR2301968A1 (fr) Circuit de traitement de signal
FR2321222A1 (fr) Unite de traitement de signaux comprenant des dispositifs de couplage par charge
SE7604377L (sv) Fergbildsignalbehandlingskretsar
BE856703A (fr) Dispositif numerique de traitement de signaux
FR2296942A1 (fr) Circuit transducteur pour signaux analogiques
DK119677A (da) Signalbehandlingskreds for en koblerstyret lodret afbojningskreds
FR2312153A1 (fr) Dispositif de reglage du gain pour un systeme de traitement de signaux de television
FR2487546B1 (fr) Circuit de traitement de signaux numeriques
FR2334983A1 (fr) Dispositif de traitement, notamment pour unite de film de grand format du type a auto-developpement
BE756599A (fr) Circuit de commande pour enregistreur magnetique a deux directions
FR2321217A1 (fr) Dispositif de traitement d'un signal echantillonne
FR2316698A1 (fr) Procede et dispositif pour le traitement de signaux analogiques
FR2305076A1 (fr) Circuit de filtrage en peigne pour traitement de signaux video
BE829026A (fr) Dispositif de transfert de charge pour filtrer un signal analogique
FR2339287A1 (fr) Dispositif de traitement de signaux analogiques