EP0746830A4 - Artikelermittlung im einer begrenzten überwachungszone - Google Patents
Artikelermittlung im einer begrenzten überwachungszoneInfo
- Publication number
- EP0746830A4 EP0746830A4 EP94906478A EP94906478A EP0746830A4 EP 0746830 A4 EP0746830 A4 EP 0746830A4 EP 94906478 A EP94906478 A EP 94906478A EP 94906478 A EP94906478 A EP 94906478A EP 0746830 A4 EP0746830 A4 EP 0746830A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- zone
- antennas
- interrogation zone
- transmitting
- detection signals
- 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- Withdrawn
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
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2471—Antenna signal processing by receiver or emitter
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1993/012691 WO1995018430A1 (en) | 1993-12-30 | 1993-12-30 | Article detection in a limited interrogation zone |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0746830A1 EP0746830A1 (de) | 1996-12-11 |
EP0746830A4 true EP0746830A4 (de) | 1997-02-05 |
Family
ID=22237341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94906478A Withdrawn EP0746830A4 (de) | 1993-12-30 | 1993-12-30 | Artikelermittlung im einer begrenzten überwachungszone |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0746830A4 (de) |
AU (1) | AU6016994A (de) |
BR (1) | BR9307899A (de) |
WO (1) | WO1995018430A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19722078A1 (de) * | 1997-05-27 | 1998-12-03 | Meto International Gmbh | System zur Überwachung von elektromagnetisch gesicherten Artikeln in mehreren Überwachungszonen |
US6937011B2 (en) | 2001-12-10 | 2005-08-30 | Rockwell Automation Technologies, Inc. | Detector for magnetizable material using amplitude and phase discrimination |
US6788049B2 (en) | 2001-12-31 | 2004-09-07 | Rockwell Automation Technologies, Inc. | Detector for magnetizable material using amplitude and phase discrimination |
FI20095944A0 (fi) | 2009-09-14 | 2009-09-14 | Valtion Teknillinen | Langaton MEMS-sensori ja menetelmä tämän lukemiseksi |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4623877A (en) * | 1983-06-30 | 1986-11-18 | Knogo Corporation | Method and apparatus for detection of targets in an interrogation zone |
AU567604B2 (en) * | 1984-02-15 | 1987-11-26 | Esselte Meto International Gmbh | Method and system for detecting an indicating device |
US4568921A (en) * | 1984-07-13 | 1986-02-04 | Knogo Corporation | Theft detection apparatus and target and method of making same |
US5121103A (en) * | 1988-07-29 | 1992-06-09 | Knogo Corporation | Load isolated article surveillance system and antenna assembly |
US5029291A (en) * | 1990-04-10 | 1991-07-02 | Knogo Corporation | Electromagnetic sensor element and methods and apparatus for making and using same |
-
1993
- 1993-12-30 EP EP94906478A patent/EP0746830A4/de not_active Withdrawn
- 1993-12-30 AU AU60169/94A patent/AU6016994A/en not_active Abandoned
- 1993-12-30 WO PCT/US1993/012691 patent/WO1995018430A1/en not_active Application Discontinuation
- 1993-12-30 BR BR9307899A patent/BR9307899A/pt not_active Application Discontinuation
Non-Patent Citations (2)
Title |
---|
No further relevant documents disclosed * |
See also references of WO9518430A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0746830A1 (de) | 1996-12-11 |
WO1995018430A1 (en) | 1995-07-06 |
BR9307899A (pt) | 1996-09-10 |
AU6016994A (en) | 1995-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19960314 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 19961220 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE FR GB SE |
|
18W | Application withdrawn |
Withdrawal date: 19961218 |