IN2014MN00149A - - Google Patents
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- Publication number
- IN2014MN00149A IN2014MN00149A IN149MUN2014A IN2014MN00149A IN 2014MN00149 A IN2014MN00149 A IN 2014MN00149A IN 149MUN2014 A IN149MUN2014 A IN 149MUN2014A IN 2014MN00149 A IN2014MN00149 A IN 2014MN00149A
- Authority
- IN
- India
- Prior art keywords
- processing circuit
- signal processing
- signal
- volume
- space
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Emergency Alarm Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Apparatus for detecting a ferromagnetic object located on or in a person being screened comprises a first magnetic sensor which in use measures an ambient magnetic field or gradient within a first volume of space and produces a corresponding measurement signal a primary power supply which provides power to the magnetic sensor a signal processing circuit arranged in communication with the magnetic sensors configured to identify temporal variations in the measurement signal and from the identified temporal variations provide an output signal indicative of the presence of a ferromagnetic object within the volume of space and a warning device operable by the output from the signal processing circuit to provide within the vicinity the apparatus at least one of an audible and a visible warning in response to the output signal from the signal processing circuit. The apparatus include a user operable input means which enables the warning device to be disabled by a user without powering down the magnetic sensors.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1111067.3A GB201111067D0 (en) | 2011-06-29 | 2011-06-29 | Apparatus for detecting ferromagnetic objects and screening people and equipment |
PCT/GB2012/051500 WO2013001292A2 (en) | 2011-06-29 | 2012-06-27 | Apparatus for detecting ferromagnetic objects and screening people and equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014MN00149A true IN2014MN00149A (en) | 2015-06-19 |
Family
ID=44485374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN149MUN2014 IN2014MN00149A (en) | 2011-06-29 | 2012-06-27 |
Country Status (8)
Country | Link |
---|---|
US (2) | US9995713B2 (en) |
EP (2) | EP3454092A1 (en) |
JP (1) | JP2014522970A (en) |
CN (1) | CN103747725A (en) |
ES (1) | ES2699265T3 (en) |
GB (1) | GB201111067D0 (en) |
IN (1) | IN2014MN00149A (en) |
WO (1) | WO2013001292A2 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013142832A1 (en) * | 2012-03-22 | 2013-09-26 | Tdk Corporation | Movable coil scanner systems and methods |
US20130307533A1 (en) | 2012-05-18 | 2013-11-21 | Metrasens Limited | Security system and method of detecting contraband items |
GB201219097D0 (en) | 2012-10-24 | 2012-12-05 | Metrasens Ltd | Apparatus for detecting ferromagnetic objects at a protected doorway assembly |
JP6152008B2 (en) * | 2013-08-01 | 2017-06-21 | 株式会社ディード | Magnetic detector |
EP3060115B1 (en) | 2013-10-21 | 2018-01-03 | Koninklijke Philips N.V. | Safety monitoring for magnetic resonance imaging |
CN103955001A (en) * | 2014-05-14 | 2014-07-30 | 三峡大学 | Invisible earphone detection device and method |
US10276008B2 (en) | 2014-12-18 | 2019-04-30 | Metrasens Limited | Security system and method of detecting contraband items |
GB201602652D0 (en) | 2016-02-15 | 2016-03-30 | Metrasens Ltd | Improvements to magnetic detectors |
US9860685B1 (en) * | 2016-06-29 | 2018-01-02 | Cisco Technology, Inc. | Presence indicator signal |
GB2556926A (en) | 2016-11-25 | 2018-06-13 | Metrasens Ltd | Monitoring system for a detection system |
GB2558210A (en) * | 2016-12-21 | 2018-07-11 | Metrasens Ltd | System and apparatus for ferromagnetically screening prone patients |
CN110650769B (en) * | 2017-05-22 | 2023-12-22 | 领先仿生公司 | Particle alignment method and particle alignment indication kit |
DE102017209373A1 (en) * | 2017-06-02 | 2018-12-06 | Bruker Biospin Mri Gmbh | Fast method for determining the position of a ferromagnetic particle or a bundle of ferromagnetic particles with MRI systems |
CN108303746B (en) * | 2018-01-17 | 2021-05-18 | 上海联影医疗科技股份有限公司 | Method for detecting metal object, storage medium and magnetic resonance imaging system |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4024468A (en) * | 1975-06-18 | 1977-05-17 | White's Electronics, Inc. | Induction balance metal detector with inverse discrimination |
US4249128A (en) * | 1978-02-06 | 1981-02-03 | White's Electronics, Inc. | Wide pulse gated metal detector with improved noise rejection |
US4334191A (en) * | 1979-01-29 | 1982-06-08 | Garrett Electronics | Metal detector circuit having momentary disabled output |
US4488115A (en) | 1980-11-12 | 1984-12-11 | Garrett Electronics | Low battery voltage indicator circuit for a metal detector |
ZA876706B (en) * | 1986-09-08 | 1988-05-25 | Candy Bruce Halcro | Method of discrimination detection using two frequencies |
US5039981A (en) * | 1989-10-11 | 1991-08-13 | Rodriguez Joe S | Electromagnetic security detectors |
US5148151A (en) * | 1990-06-20 | 1992-09-15 | Garrett Electronics, Inc. | Metal detector having target characterization and search classification |
US5959451A (en) | 1997-08-18 | 1999-09-28 | Torfino Enterprises, Inc. | Metal detector with vibrating tactile indicator mounted within a compact housing |
GB0124887D0 (en) * | 2001-10-17 | 2001-12-05 | Qinetiq Ltd | Metal detection apparatus |
US8014847B2 (en) * | 2001-12-13 | 2011-09-06 | Musc Foundation For Research Development | Systems and methods for detecting deception by measuring brain activity |
US7489128B2 (en) * | 2002-03-11 | 2009-02-10 | Kopp Keith A | MRI protector |
EP1502129A1 (en) * | 2002-04-25 | 2005-02-02 | National Research Council of Canada | Detection of ferromagnetic objects approaching a magnet |
US7296683B1 (en) | 2002-05-22 | 2007-11-20 | Vallelonga Sr Kenneth M | Ferrous metal detector with alarm |
GB2395276B (en) | 2002-11-12 | 2006-03-08 | Qinetiq Ltd | Ferromagnetic object detector |
US7239134B2 (en) | 2003-01-17 | 2007-07-03 | Mednovus, Inc. | Screening method and apparatus |
US7315166B2 (en) | 2003-01-17 | 2008-01-01 | Mednovus, Inc. | Magnetic resonance imaging screening method and apparatus |
US20060145691A1 (en) | 2004-12-30 | 2006-07-06 | Mednovus, Inc. | Ferromagnetic detection pillar and variable aperture portal |
US7295107B2 (en) * | 2004-12-30 | 2007-11-13 | Mednovus, Inc. | Ferromagnetic detection pillar |
US7408461B2 (en) * | 2005-01-11 | 2008-08-05 | Controlled Capture Systems, Llc | Metal detection system and method |
WO2008028487A1 (en) * | 2006-09-07 | 2008-03-13 | Alert Metalguard Aps | A system and a method for electronically monitoring goods |
US7893690B2 (en) * | 2007-07-19 | 2011-02-22 | Carnes Company, Inc. | Balancing circuit for a metal detector |
GB0905298D0 (en) * | 2009-03-27 | 2009-05-13 | Qinetiq Ltd | Apparatus and method for ferromagnetic object detector |
CN101584583B (en) * | 2009-06-16 | 2010-10-27 | 中国人民解放军第四军医大学 | Potable metal foreign body quick examination device |
US20130307533A1 (en) * | 2012-05-18 | 2013-11-21 | Metrasens Limited | Security system and method of detecting contraband items |
-
2011
- 2011-06-29 GB GBGB1111067.3A patent/GB201111067D0/en not_active Ceased
-
2012
- 2012-06-27 IN IN149MUN2014 patent/IN2014MN00149A/en unknown
- 2012-06-27 EP EP18196557.5A patent/EP3454092A1/en not_active Withdrawn
- 2012-06-27 CN CN201280040318.1A patent/CN103747725A/en active Pending
- 2012-06-27 EP EP12761755.3A patent/EP2725973B1/en active Active
- 2012-06-27 US US14/129,877 patent/US9995713B2/en active Active
- 2012-06-27 ES ES12761755T patent/ES2699265T3/en active Active
- 2012-06-27 WO PCT/GB2012/051500 patent/WO2013001292A2/en active Application Filing
- 2012-06-27 JP JP2014517934A patent/JP2014522970A/en active Pending
-
2018
- 2018-05-01 US US15/968,413 patent/US20180246063A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20180246063A1 (en) | 2018-08-30 |
EP2725973B1 (en) | 2018-09-26 |
EP2725973A2 (en) | 2014-05-07 |
WO2013001292A2 (en) | 2013-01-03 |
US20140232382A1 (en) | 2014-08-21 |
CN103747725A (en) | 2014-04-23 |
JP2014522970A (en) | 2014-09-08 |
US9995713B2 (en) | 2018-06-12 |
WO2013001292A3 (en) | 2013-07-04 |
EP3454092A1 (en) | 2019-03-13 |
GB201111067D0 (en) | 2011-08-10 |
ES2699265T3 (en) | 2019-02-08 |
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