GB8503761D0 - Detecting low level radiation sources - Google Patents

Detecting low level radiation sources

Info

Publication number
GB8503761D0
GB8503761D0 GB858503761A GB8503761A GB8503761D0 GB 8503761 D0 GB8503761 D0 GB 8503761D0 GB 858503761 A GB858503761 A GB 858503761A GB 8503761 A GB8503761 A GB 8503761A GB 8503761 D0 GB8503761 D0 GB 8503761D0
Authority
GB
United Kingdom
Prior art keywords
low level
radiation sources
detecting low
level radiation
detecting
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.)
Withdrawn
Application number
GB858503761A
Other versions
GB2158572A (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.)
Quantor Corp
Original Assignee
Quantor Corp
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 Quantor Corp filed Critical Quantor Corp
Publication of GB8503761D0 publication Critical patent/GB8503761D0/en
Publication of GB2158572A publication Critical patent/GB2158572A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/12—Provision for actuation of an alarm
    • 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
    • G01T1/167—Measuring radioactive content of objects, e.g. contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/26—Passive interrogation, i.e. by measuring radiation emitted by objects or goods
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Radiation (AREA)
GB08503761A 1984-05-09 1985-02-14 Detecting low level radiation sources Withdrawn GB2158572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60837184A 1984-05-09 1984-05-09

Publications (2)

Publication Number Publication Date
GB8503761D0 true GB8503761D0 (en) 1985-03-20
GB2158572A GB2158572A (en) 1985-11-13

Family

ID=24436188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08503761A Withdrawn GB2158572A (en) 1984-05-09 1985-02-14 Detecting low level radiation sources

Country Status (1)

Country Link
GB (1) GB2158572A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769547A (en) * 1987-01-27 1988-09-06 Medrad, Inc. Personal dosimeter having a volume of gas atop an integrated circuit
US5246005A (en) * 1991-07-02 1993-09-21 Care Wise Medical Products Corporation Apparatus and method for producing statistically valid discriminable signals
FR2714487B1 (en) * 1993-12-23 1996-06-28 Boyer Francis Security system against the loss and theft of objects, using the radioactivity of said objects measured and memorized by a code device triggering alarm or intervention devices.
US7045787B1 (en) 1995-10-23 2006-05-16 Science Applications International Corporation Density detection using real time discrete photon counting for fast moving targets
US7045788B2 (en) * 2003-08-04 2006-05-16 Thermo Electron Corporation Multi-way radiation monitoring
GB0606026D0 (en) 2006-03-25 2006-05-03 Lab Impex Systems Ltd Radioactivity monitoring apparatus
EP2146225A1 (en) 2008-07-14 2010-01-20 ICx Technologies GmbH Detector system with positioning system
US8314394B1 (en) 2009-11-04 2012-11-20 Science Applications International Corporation System and method for three-dimensional imaging using scattering from annihilation coincidence photons
CN102109472B (en) * 2009-12-24 2012-11-28 同方威视技术股份有限公司 Portable radioactive substance monitoring device
EP2753920B1 (en) 2011-09-07 2018-04-04 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
GB2564038B (en) 2016-02-22 2021-11-10 Rapiscan Systems Inc Systems and methods for detecting threats and contraband in cargo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB976571A (en) * 1960-07-29 1964-11-25 Atomic Energy Authority Uk Apparatus for the detection of excursions
US3666953A (en) * 1970-08-18 1972-05-30 Atomic Energy Commission An up-down counter for background compensation
GB2045493A (en) * 1979-02-13 1980-10-29 Birkett A K A trigger circuit and method for detecting changes in light levels in the field of scan of a camera
GB2075721B (en) * 1979-09-20 1983-02-02 Kodak Ltd Apparatus for determining sheet sizes
GB2095821B (en) * 1981-03-17 1985-08-21 Malinowski William J Self-calibrating smoke detector and method
DE3127324A1 (en) * 1981-07-10 1983-01-27 Siemens AG, 1000 Berlin und 8000 München METHOD AND ARRANGEMENT FOR INCREASING THE SENSITIVITY AND EMERGENCY SAFETY IN A DANGER, IN PARTICULAR FIRE DETECTING SYSTEM

Also Published As

Publication number Publication date
GB2158572A (en) 1985-11-13

Similar Documents

Publication Publication Date Title
DE3472452D1 (en) Level indicator
GB8421267D0 (en) Radiation probe
GB8503761D0 (en) Detecting low level radiation sources
GB8431663D0 (en) Ionization detector
EP0151430A3 (en) Detector
GB2157434B (en) Level
GB2095937B (en) Level detector
DE3573663D1 (en) Photosensor
GB8419965D0 (en) Level
GB8425590D0 (en) Light detector
GB8528665D0 (en) Level sensor
DE3563567D1 (en) Hyperhemispherical radiation system
GB8403212D0 (en) Spirit level
GB8719940D0 (en) Level detector
GB8510935D0 (en) Seismic detector
DE3479174D1 (en) Radiation detector
GB8427367D0 (en) Level detectors
GB8519518D0 (en) Enuretic detector
DE3469998D1 (en) Detector system
GB8408860D0 (en) Threshold detector
AU545609B2 (en) Object detector
GB8525700D0 (en) Seismic detector
DE3567553D1 (en) Integrated radiation detector
GB8432456D0 (en) Corrosion detector
GB8524425D0 (en) Level detector arrangement

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)