DE20012099U1 - Antenna of an electromagnetic detection system and electromagnetic detection system provided with such an antenna - Google Patents
Antenna of an electromagnetic detection system and electromagnetic detection system provided with such an antennaInfo
- Publication number
- DE20012099U1 DE20012099U1 DE20012099U DE20012099U DE20012099U1 DE 20012099 U1 DE20012099 U1 DE 20012099U1 DE 20012099 U DE20012099 U DE 20012099U DE 20012099 U DE20012099 U DE 20012099U DE 20012099 U1 DE20012099 U1 DE 20012099U1
- Authority
- DE
- Germany
- Prior art keywords
- antenna
- positions
- pair
- loop
- antenna loop
- 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 - Lifetime
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
-
- 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
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20012099U DE20012099U1 (en) | 2000-07-12 | 2000-07-12 | Antenna of an electromagnetic detection system and electromagnetic detection system provided with such an antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20012099U DE20012099U1 (en) | 2000-07-12 | 2000-07-12 | Antenna of an electromagnetic detection system and electromagnetic detection system provided with such an antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20012099U1 true DE20012099U1 (en) | 2000-12-07 |
Family
ID=7943858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20012099U Expired - Lifetime DE20012099U1 (en) | 2000-07-12 | 2000-07-12 | Antenna of an electromagnetic detection system and electromagnetic detection system provided with such an antenna |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20012099U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004049278A3 (en) * | 2002-11-25 | 2004-08-26 | 3M Innovative Properties Co | Multi-loop antenna for radio-frequency identification |
WO2005069440A1 (en) * | 2003-12-17 | 2005-07-28 | Commissariat à l'Energie Atomique | Flat plate antenna with a revolving field, comprising a central loop and eccentric loops, and system for identification by radiofrequency |
WO2007030003A1 (en) * | 2005-09-09 | 2007-03-15 | Stichting Astron | Modular antenna and a system and method for detecting objects |
-
2000
- 2000-07-12 DE DE20012099U patent/DE20012099U1/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004049278A3 (en) * | 2002-11-25 | 2004-08-26 | 3M Innovative Properties Co | Multi-loop antenna for radio-frequency identification |
US6861993B2 (en) | 2002-11-25 | 2005-03-01 | 3M Innovative Properties Company | Multi-loop antenna for radio-frequency identification |
WO2005069440A1 (en) * | 2003-12-17 | 2005-07-28 | Commissariat à l'Energie Atomique | Flat plate antenna with a revolving field, comprising a central loop and eccentric loops, and system for identification by radiofrequency |
US7579994B2 (en) | 2003-12-17 | 2009-08-25 | Commissariat A L'energie Atomique | Flat plate antenna with a rotating field, comprising a central loop and eccentric loops, and system for identification by radiofrequency |
WO2007030003A1 (en) * | 2005-09-09 | 2007-03-15 | Stichting Astron | Modular antenna and a system and method for detecting objects |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20010111 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20030925 |
|
R151 | Term of protection extended to 8 years |
Effective date: 20061010 |
|
R152 | Term of protection extended to 10 years |
Effective date: 20080924 |
|
R071 | Expiry of right |