FI843445A0 - System foer foerhindring av butiksstoelder. - Google Patents
System foer foerhindring av butiksstoelder.Info
- Publication number
- FI843445A0 FI843445A0 FI843445A FI843445A FI843445A0 FI 843445 A0 FI843445 A0 FI 843445A0 FI 843445 A FI843445 A FI 843445A FI 843445 A FI843445 A FI 843445A FI 843445 A0 FI843445 A0 FI 843445A0
- Authority
- FI
- Finland
- Prior art keywords
- foerhindring
- butiksstoelder
- system foer
- foer
- foer foerhindring
- 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
- 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
-
- 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
- G08B13/2477—Antenna or antenna activator circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1983/000010 WO1984002789A1 (en) | 1983-01-03 | 1983-01-03 | Anti-shoplifting system |
Publications (2)
Publication Number | Publication Date |
---|---|
FI843445A0 true FI843445A0 (fi) | 1984-09-03 |
FI843445A FI843445A (fi) | 1984-09-03 |
Family
ID=22174796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI843445A FI843445A (fi) | 1983-01-03 | 1984-09-03 | System foer foerhindring av butiksstoelder. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0130973A1 (fi) |
AU (1) | AU1152083A (fi) |
DK (1) | DK420084A (fi) |
FI (1) | FI843445A (fi) |
NO (1) | NO843503L (fi) |
WO (1) | WO1984002789A1 (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2180123B (en) * | 1984-12-21 | 1989-01-18 | Senezco Limited | Transponder systems |
US4675658A (en) * | 1985-09-17 | 1987-06-23 | Allied Corporation | System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna |
US6681989B2 (en) * | 2002-01-15 | 2004-01-27 | International Business Machines Corporation | Inventory control and point-of-sale system and method |
NL1028330C2 (nl) * | 2005-02-18 | 2006-08-21 | Nedap Nv | Smart Shelf. |
WO2019063679A1 (en) * | 2017-09-27 | 2019-04-04 | Idt Europe Gmbh | INDUCTIVE PROXIMITY SWITCH |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3790945A (en) * | 1968-03-22 | 1974-02-05 | Stoplifter Int Inc | Open-strip ferromagnetic marker and method and system for using same |
US3820104A (en) * | 1972-12-15 | 1974-06-25 | Stop Loss Inc | Method and system for detecting an object within a magnetic field interrogation zone |
US3938125A (en) * | 1974-02-20 | 1976-02-10 | Minnesota Mining And Manufacturing Company | Antipilferage system and marker therefor |
NL7702946A (nl) * | 1976-04-03 | 1977-10-05 | Bizerba Werke Kraut Kg Wilh | Werkwijze en inrichting voor het vaststellen van de aanwezigheid van objecten in een bepaald controle- gebied, in het bijzonder voor het verhinderen van winkeldiefstallen. |
US4260990A (en) * | 1979-11-08 | 1981-04-07 | Lichtblau G J | Asymmetrical antennas for use in electronic security systems |
US4251808A (en) * | 1979-11-15 | 1981-02-17 | Lichtblau G J | Shielded balanced loop antennas for electronic security systems |
US4300183A (en) * | 1980-03-27 | 1981-11-10 | Richardson Robert H | Method and apparatus for generating alternating magnetic fields to produce harmonic signals from a metallic strip |
-
1983
- 1983-01-03 AU AU11520/83A patent/AU1152083A/en not_active Abandoned
- 1983-01-03 EP EP83900454A patent/EP0130973A1/en not_active Withdrawn
- 1983-01-03 WO PCT/US1983/000010 patent/WO1984002789A1/en not_active Application Discontinuation
-
1984
- 1984-08-31 DK DK420084A patent/DK420084A/da not_active Application Discontinuation
- 1984-09-03 NO NO843503A patent/NO843503L/no unknown
- 1984-09-03 FI FI843445A patent/FI843445A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU1152083A (en) | 1984-08-02 |
DK420084D0 (da) | 1984-08-31 |
EP0130973A1 (en) | 1985-01-16 |
DK420084A (da) | 1984-11-01 |
WO1984002789A1 (en) | 1984-07-19 |
NO843503L (no) | 1984-09-03 |
FI843445A (fi) | 1984-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: SHIN, MYONG |