DE69506737T2 - Verfahren zur anregung und detektion magnetischer elemente - Google Patents
Verfahren zur anregung und detektion magnetischer elementeInfo
- Publication number
- DE69506737T2 DE69506737T2 DE69506737T DE69506737T DE69506737T2 DE 69506737 T2 DE69506737 T2 DE 69506737T2 DE 69506737 T DE69506737 T DE 69506737T DE 69506737 T DE69506737 T DE 69506737T DE 69506737 T2 DE69506737 T2 DE 69506737T2
- Authority
- DE
- Germany
- Prior art keywords
- excitation
- signal
- oscillation
- pct
- self
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/0672—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with resonating marks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
- G06K7/086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing passive circuit, e.g. resonant circuit transponders
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Automation & Control Theory (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9401448A SE9401448L (sv) | 1994-04-26 | 1994-04-26 | Sätt och anordning vid excitering och detektering av magnetiska element |
PCT/SE1995/000451 WO1995029466A1 (en) | 1994-04-26 | 1995-04-25 | Method for excitation and detection of magnetic elements |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69506737D1 DE69506737D1 (de) | 1999-01-28 |
DE69506737T2 true DE69506737T2 (de) | 1999-05-20 |
Family
ID=20393811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69506737T Expired - Fee Related DE69506737T2 (de) | 1994-04-26 | 1995-04-25 | Verfahren zur anregung und detektion magnetischer elemente |
Country Status (9)
Country | Link |
---|---|
US (1) | US5760580A (de) |
EP (1) | EP0804773B1 (de) |
JP (1) | JPH09512361A (de) |
AT (1) | ATE174706T1 (de) |
CA (1) | CA2188597A1 (de) |
DE (1) | DE69506737T2 (de) |
ES (1) | ES2125014T3 (de) |
SE (1) | SE9401448L (de) |
WO (1) | WO1995029466A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9401436L (sv) * | 1994-04-26 | 1995-10-27 | Rso Corp | Amorfa band med förbättrade egenskaper |
US6177870B1 (en) * | 1999-01-13 | 2001-01-23 | Sensormatic Electronics Corporation | Resonant EAS marker with sideband generator |
US7086111B2 (en) | 2001-03-16 | 2006-08-08 | Braun Gmbh | Electric dental cleaning device |
US6906628B2 (en) * | 2001-03-13 | 2005-06-14 | Sensormatic Electronics Corporation | Varying field electronic tag detection system |
DE10159395B4 (de) * | 2001-12-04 | 2010-11-11 | Braun Gmbh | Vorrichtung zur Zahnreinigung |
JP4443116B2 (ja) * | 2001-03-14 | 2010-03-31 | ブラウン ゲーエムベーハー | 歯の洗浄方法及び装置 |
US7065658B1 (en) | 2001-05-18 | 2006-06-20 | Palm, Incorporated | Method and apparatus for synchronizing and recharging a connector-less portable computer system |
US8443476B2 (en) | 2001-12-04 | 2013-05-21 | Braun Gmbh | Dental cleaning device |
US20060026841A1 (en) * | 2004-08-09 | 2006-02-09 | Dirk Freund | Razors |
DE102004062150A1 (de) * | 2004-12-23 | 2006-07-13 | Braun Gmbh | Auswechselbares Zubehörteil für ein Elektrokleingerät und Verfahren zum Bestimmen der Benutzungsdauer des Zubehörteils |
DE102007022827A1 (de) * | 2007-05-15 | 2008-11-20 | Braun Gmbh | Zahnbürstenaufsatzteil sowie Verfahren zu seiner Herstellung |
USD640976S1 (en) | 2008-08-28 | 2011-07-05 | Hewlett-Packard Development Company, L.P. | Support structure and/or cradle for a mobile computing device |
US8234509B2 (en) * | 2008-09-26 | 2012-07-31 | Hewlett-Packard Development Company, L.P. | Portable power supply device for mobile computing devices |
US8385822B2 (en) * | 2008-09-26 | 2013-02-26 | Hewlett-Packard Development Company, L.P. | Orientation and presence detection for use in configuring operations of computing devices in docked environments |
US8868939B2 (en) | 2008-09-26 | 2014-10-21 | Qualcomm Incorporated | Portable power supply device with outlet connector |
US8527688B2 (en) * | 2008-09-26 | 2013-09-03 | Palm, Inc. | Extending device functionality amongst inductively linked devices |
US8850045B2 (en) | 2008-09-26 | 2014-09-30 | Qualcomm Incorporated | System and method for linking and sharing resources amongst devices |
US8712324B2 (en) | 2008-09-26 | 2014-04-29 | Qualcomm Incorporated | Inductive signal transfer system for computing devices |
US8401469B2 (en) * | 2008-09-26 | 2013-03-19 | Hewlett-Packard Development Company, L.P. | Shield for use with a computing device that receives an inductive signal transmission |
US8688037B2 (en) | 2008-09-26 | 2014-04-01 | Hewlett-Packard Development Company, L.P. | Magnetic latching mechanism for use in mating a mobile computing device to an accessory device |
US20110106954A1 (en) * | 2008-09-26 | 2011-05-05 | Manjirnath Chatterjee | System and method for inductively pairing devices to share data or resources |
US9083686B2 (en) * | 2008-11-12 | 2015-07-14 | Qualcomm Incorporated | Protocol for program during startup sequence |
WO2010078557A2 (en) * | 2009-01-05 | 2010-07-08 | Palm, Inc. | Interior connector scheme for accessorizing a mobile computing device with a removeable housing segment |
US8437695B2 (en) | 2009-07-21 | 2013-05-07 | Hewlett-Packard Development Company, L.P. | Power bridge circuit for bi-directional inductive signaling |
US8954001B2 (en) * | 2009-07-21 | 2015-02-10 | Qualcomm Incorporated | Power bridge circuit for bi-directional wireless power transmission |
US9395827B2 (en) * | 2009-07-21 | 2016-07-19 | Qualcomm Incorporated | System for detecting orientation of magnetically coupled devices |
US8395547B2 (en) * | 2009-08-27 | 2013-03-12 | Hewlett-Packard Development Company, L.P. | Location tracking for mobile computing device |
US8755815B2 (en) | 2010-08-31 | 2014-06-17 | Qualcomm Incorporated | Use of wireless access point ID for position determination |
USD674391S1 (en) | 2009-11-17 | 2013-01-15 | Hewlett-Packard Development Company, L.P. | Docking station for a computing device |
US9427294B2 (en) | 2010-08-19 | 2016-08-30 | Braun Gmbh | Method for operating an electric appliance and electric appliance |
EP4344257A3 (de) | 2010-09-29 | 2024-06-05 | QUALCOMM Incorporated | Standortverfolgung für mobile datenverarbeitungsvorrichtung |
EP2550938B1 (de) | 2011-07-25 | 2015-01-14 | Braun GmbH | Mundpflegevorrichtung |
CA2841901A1 (en) | 2011-07-25 | 2013-01-31 | Braun Gmbh | Linear electro-polymer motors and devices having the same |
DK2550937T3 (da) | 2011-07-25 | 2014-05-19 | Braun Gmbh | Magnetforbindelse mellem et tandbørstehåndtag og et børstehoved |
US10132699B1 (en) | 2014-10-06 | 2018-11-20 | National Technology & Engineering Solutions Of Sandia, Llc | Electrodeposition processes for magnetostrictive resonators |
US10510945B1 (en) | 2014-10-06 | 2019-12-17 | National Technology & Engineering Solutions Of Sandia, Llc | Magnetoelastically actuated MEMS device and methods for its manufacture |
US11409017B2 (en) * | 2018-06-20 | 2022-08-09 | Eriez Manufacturing Co. | Metal detector coil configuration to eliminate orientation effect |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1211140B (it) * | 1980-12-09 | 1989-09-29 | Sony Corp | Dispositivo commutatore a sensore magnetico. |
JPS58219677A (ja) * | 1982-06-03 | 1983-12-21 | アイデンテイテツク コ−ポレ−シヨン | 磁気機械的マ−カ−をもつコ−ド化された監視システム |
DE3578228D1 (de) * | 1984-02-15 | 1990-07-19 | Esselte Meto Eas Int Ab | Verfahren und anordnung zur detektion eines anzeigegeraets. |
US4647917A (en) * | 1984-03-26 | 1987-03-03 | Allied Corporation | Article control system having coded magnetomechanical marker |
US4686516A (en) * | 1984-11-26 | 1987-08-11 | Sensormatic Electronics Corporation | Method, system and apparatus for use in article surveillance |
US4710752A (en) * | 1986-08-08 | 1987-12-01 | Pitney Bowes Inc. | Apparatus and method for detecting a magnetic marker |
SE8603415D0 (sv) * | 1986-08-14 | 1986-08-14 | Leif Arnold Persson | Remote sensing of metglas identifiers |
US5049857A (en) * | 1989-07-24 | 1991-09-17 | Sensormatic Electronics Corporation | Multi-mode electronic article surveillance system |
US5005001A (en) * | 1990-04-05 | 1991-04-02 | Pitney Bowes Inc. | Field generation and reception system for electronic article surveillance |
US5300922A (en) * | 1990-05-29 | 1994-04-05 | Sensormatic Electronics Corporation | Swept frequency electronic article surveillance system having enhanced facility for tag signal detection |
ES2101081T3 (es) * | 1991-01-04 | 1997-07-01 | Scient Generics Ltd | Dispositivos y aparatos de almacenamiento de datos de lectura remota. |
US5160888A (en) * | 1991-04-29 | 1992-11-03 | Bruker Instruments, Inc. | Method and apparatus for one sided magnetic resonance imaging |
TW198154B (de) * | 1991-08-20 | 1993-01-11 | Allied Signal Inc | |
US5397986A (en) * | 1991-11-01 | 1995-03-14 | Federal Labs Systems Lp | Metal detector system having multiple, adjustable transmitter and receiver antennas |
SE469673B (sv) * | 1992-01-20 | 1993-08-16 | Rso Corp | Saett och anordning vid beroeringsfri avkaenning av objekt |
SE9203258L (sv) * | 1992-01-20 | 1993-07-21 | Rso Corp | Saett och anordning vid laeges- och vinkelmaetning |
-
1994
- 1994-04-26 SE SE9401448A patent/SE9401448L/xx not_active Application Discontinuation
-
1995
- 1995-04-25 AT AT95917543T patent/ATE174706T1/de not_active IP Right Cessation
- 1995-04-25 CA CA002188597A patent/CA2188597A1/en not_active Abandoned
- 1995-04-25 EP EP95917543A patent/EP0804773B1/de not_active Expired - Lifetime
- 1995-04-25 ES ES95917543T patent/ES2125014T3/es not_active Expired - Lifetime
- 1995-04-25 JP JP7527591A patent/JPH09512361A/ja active Pending
- 1995-04-25 WO PCT/SE1995/000451 patent/WO1995029466A1/en active IP Right Grant
- 1995-04-25 DE DE69506737T patent/DE69506737T2/de not_active Expired - Fee Related
- 1995-04-25 US US08/732,485 patent/US5760580A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE9401448D0 (sv) | 1994-04-26 |
ATE174706T1 (de) | 1999-01-15 |
JPH09512361A (ja) | 1997-12-09 |
US5760580A (en) | 1998-06-02 |
EP0804773A1 (de) | 1997-11-05 |
WO1995029466A1 (en) | 1995-11-02 |
CA2188597A1 (en) | 1995-11-02 |
EP0804773B1 (de) | 1998-12-16 |
ES2125014T3 (es) | 1999-02-16 |
DE69506737D1 (de) | 1999-01-28 |
SE9401448L (sv) | 1995-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |