DK489387D0 - Modtageindretning - Google Patents
ModtageindretningInfo
- Publication number
- DK489387D0 DK489387D0 DK489387A DK489387A DK489387D0 DK 489387 D0 DK489387 D0 DK 489387D0 DK 489387 A DK489387 A DK 489387A DK 489387 A DK489387 A DK 489387A DK 489387 D0 DK489387 D0 DK 489387D0
- Authority
- DK
- Denmark
- Prior art keywords
- receiving
- coil
- indicating device
- emit
- parallel
- Prior art date
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
- G08B13/2405—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 characterised by the tag technology used
- G08B13/2408—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 characterised by the tag technology used using ferromagnetic tags
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Saccharide Compounds (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Pinball Game Machines (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8600258 | 1986-01-21 | ||
SE8600258A SE451166C (sv) | 1986-01-21 | 1986-01-21 | Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon |
PCT/SE1987/000015 WO1987004551A1 (en) | 1986-01-21 | 1987-01-16 | Receiving device |
SE8700015 | 1987-01-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK489387A DK489387A (da) | 1987-09-18 |
DK489387D0 true DK489387D0 (da) | 1987-09-18 |
DK167511B1 DK167511B1 (da) | 1993-11-08 |
Family
ID=20363169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK489387A DK167511B1 (da) | 1986-01-21 | 1987-09-18 | Modtageindretning |
Country Status (12)
Country | Link |
---|---|
US (1) | US4845509A (da) |
EP (1) | EP0238458B1 (da) |
JP (1) | JPH0782593B2 (da) |
AT (1) | ATE184723T1 (da) |
AU (1) | AU594745B2 (da) |
CA (1) | CA1278352C (da) |
DE (1) | DE3752291T2 (da) |
DK (1) | DK167511B1 (da) |
ES (1) | ES2136054T3 (da) |
FI (1) | FI86233C (da) |
SE (1) | SE451166C (da) |
WO (1) | WO1987004551A1 (da) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5103234A (en) * | 1987-08-28 | 1992-04-07 | Sensormatic Electronics Corporation | Electronic article surveillance system |
ZA889254B (en) * | 1987-12-10 | 1990-08-29 | Uniscan Ltd | Powering and communication apparatus and method(s) |
US5126749A (en) * | 1989-08-25 | 1992-06-30 | Kaltner George W | Individually fed multiloop antennas for electronic security systems |
US5142292A (en) * | 1991-08-05 | 1992-08-25 | Checkpoint Systems, Inc. | Coplanar multiple loop antenna for electronic article surveillance systems |
US5404147A (en) * | 1992-10-28 | 1995-04-04 | Sensormatic Electronics Corporation | EAS system loop antenna having three loops of different area |
DE4436974B4 (de) * | 1994-10-15 | 2004-04-01 | Meto International Gmbh | Markierungselement zur Sicherung von Artikeln gegen Diebstahl |
DE4440314A1 (de) * | 1994-11-11 | 1996-05-15 | Esselte Meto Int Gmbh | Markierungselement zur Sicherung von Artikeln gegen Diebstahl |
FR2745103B1 (fr) * | 1996-02-15 | 1998-04-03 | Bourgogne Grasset | Dispositif de rangement pour jetons de jeu |
USD867192S1 (en) | 2018-06-06 | 2019-11-19 | Donald R. Sweeney | Metal detector |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4016553A (en) * | 1975-06-27 | 1977-04-05 | Knogo Corporation | Article detection system with near field electromagnetic wave control |
US4118693A (en) * | 1977-05-09 | 1978-10-03 | Knogo Corporation | Method and apparatus for producing uniform electromagnetic fields in an article detection system |
SE429382B (sv) * | 1977-05-09 | 1983-08-29 | Knogo Corp | Sett och apparat for detektering av obehorig passage av foremal genom en fragezon |
US4135184A (en) * | 1977-08-31 | 1979-01-16 | Knogo Corporation | Electronic theft detection system for monitoring wide passageways |
US4243980A (en) * | 1978-02-17 | 1981-01-06 | Lichtblau G J | Antenna system for electronic security installations |
DK145169C (da) * | 1978-08-09 | 1983-02-21 | Security Prod Int | Anlaeg til registrering af en passage af en genstand gennem etforudbestemt omraade |
US4373163A (en) * | 1980-07-14 | 1983-02-08 | I.D. Engineering, Inc. | Loop antenna for security systems |
US4309697A (en) * | 1980-10-02 | 1982-01-05 | Sensormatic Electronics Corporation | Magnetic surveillance system with odd-even harmonic and phase discrimination |
GB2133660B (en) * | 1982-11-09 | 1986-07-30 | Tag Radionics Ltd | Transponder detection systems |
AU567604B2 (en) * | 1984-02-15 | 1987-11-26 | Esselte Meto International Gmbh | Method and system for detecting an indicating device |
US4633250A (en) * | 1985-01-07 | 1986-12-30 | Allied Corporation | Coplanar antenna for proximate surveillance systems |
-
1986
- 1986-01-21 SE SE8600258A patent/SE451166C/sv not_active IP Right Cessation
-
1987
- 1987-01-07 CA CA000526898A patent/CA1278352C/en not_active Expired - Lifetime
- 1987-01-16 JP JP62500756A patent/JPH0782593B2/ja not_active Expired - Lifetime
- 1987-01-16 WO PCT/SE1987/000015 patent/WO1987004551A1/en active IP Right Grant
- 1987-01-16 AT AT87850009T patent/ATE184723T1/de not_active IP Right Cessation
- 1987-01-16 EP EP87850009A patent/EP0238458B1/en not_active Expired - Lifetime
- 1987-01-16 AU AU68994/87A patent/AU594745B2/en not_active Ceased
- 1987-01-16 DE DE3752291T patent/DE3752291T2/de not_active Expired - Fee Related
- 1987-01-16 US US07/105,300 patent/US4845509A/en not_active Expired - Fee Related
- 1987-01-16 ES ES87850009T patent/ES2136054T3/es not_active Expired - Lifetime
- 1987-09-18 DK DK489387A patent/DK167511B1/da not_active IP Right Cessation
- 1987-09-18 FI FI874087A patent/FI86233C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0782593B2 (ja) | 1995-09-06 |
AU594745B2 (en) | 1990-03-15 |
DK167511B1 (da) | 1993-11-08 |
DE3752291D1 (de) | 1999-10-21 |
EP0238458B1 (en) | 1999-09-15 |
US4845509A (en) | 1989-07-04 |
ATE184723T1 (de) | 1999-10-15 |
FI874087A0 (fi) | 1987-09-18 |
EP0238458A2 (en) | 1987-09-23 |
WO1987004551A1 (en) | 1987-07-30 |
EP0238458A3 (en) | 1989-10-04 |
AU6899487A (en) | 1987-08-14 |
FI86233C (fi) | 1992-07-27 |
SE451166B (sv) | 1987-09-07 |
SE8600258D0 (sv) | 1986-01-21 |
CA1278352C (en) | 1990-12-27 |
FI874087A (fi) | 1987-09-18 |
SE8600258L (sv) | 1987-07-22 |
DK489387A (da) | 1987-09-18 |
FI86233B (fi) | 1992-04-15 |
ES2136054T3 (es) | 1999-11-16 |
JPS63502226A (ja) | 1988-08-25 |
DE3752291T2 (de) | 2000-03-23 |
SE451166C (sv) | 1990-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |
Country of ref document: DK |