ES2147127A1 - Metodo de deteccion de etiquetas resonantes a distancia. - Google Patents
Metodo de deteccion de etiquetas resonantes a distancia.Info
- Publication number
- ES2147127A1 ES2147127A1 ES9801121A ES9801121A ES2147127A1 ES 2147127 A1 ES2147127 A1 ES 2147127A1 ES 9801121 A ES9801121 A ES 9801121A ES 9801121 A ES9801121 A ES 9801121A ES 2147127 A1 ES2147127 A1 ES 2147127A1
- Authority
- ES
- Spain
- Prior art keywords
- labels
- permanent magnets
- remote detection
- magnetic field
- processing
- 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.)
- Granted
Links
Landscapes
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Método de detección de etiquetas resonantes a distancia. La presente invención permite la detección simultánea y a distancia de objetos dotados de etiquetas apropiadas mediante la aplicación de campos magnéticos por medio de imanes permanentes. Dichas etiquetas se caracterizan por absorber radiación electromagnética de una determinada frecuencia llamada frecuencia de resonancia que depende del valor de campo magnético estático al que se encuentran sometidas. Dichos campos magnéticos estáticos, al ser aplicados mediante imanes permanentes, tienen un elevado valor en un pequeño volumen del espacio. Esto permite que sólo un pequeño número de etiquetas, independientemente de su orientación, presenten una frecuencia de resonancia correspondiente a campo alto, pudiendo ser detectadas.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801121A ES2147127B1 (es) | 1998-05-28 | 1998-05-28 | Metodo de deteccion de etiquetas resonantes a distancia. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801121A ES2147127B1 (es) | 1998-05-28 | 1998-05-28 | Metodo de deteccion de etiquetas resonantes a distancia. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2147127A1 true ES2147127A1 (es) | 2000-08-16 |
ES2147127B1 ES2147127B1 (es) | 2001-03-01 |
Family
ID=8303958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9801121A Expired - Fee Related ES2147127B1 (es) | 1998-05-28 | 1998-05-28 | Metodo de deteccion de etiquetas resonantes a distancia. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2147127B1 (es) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988001427A1 (en) * | 1986-08-14 | 1988-02-25 | Tyren Carl | Method of remote sensing of objects |
US5557085A (en) * | 1992-01-20 | 1996-09-17 | Rso Corporation N.V. | Method and device for electronic identification |
-
1998
- 1998-05-28 ES ES9801121A patent/ES2147127B1/es not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988001427A1 (en) * | 1986-08-14 | 1988-02-25 | Tyren Carl | Method of remote sensing of objects |
US5557085A (en) * | 1992-01-20 | 1996-09-17 | Rso Corporation N.V. | Method and device for electronic identification |
Also Published As
Publication number | Publication date |
---|---|
ES2147127B1 (es) | 2001-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU1194199A (en) | Single dipole permanent magnet structure with linear gradient magnetic field intensity | |
NO964797D0 (no) | Elektromagnetisk drivverktöy med magnetisk dipolantenne | |
EA200300077A1 (ru) | Применение устройства связи, способ аутентификации изделий, блок и система для аутентификации изделий и устройство аутентификации | |
EP0964263A3 (en) | Open supercondutive magnet having shielding | |
CA2120400A1 (en) | Nuclear magnetic resonance measuring apparatus | |
ID21984A (id) | Penyalaan dengan radiasi elektromagnetik | |
BR9100984A (pt) | Aparelho eletronico para deteccao de roubo alvo respondedor para uso em um sistema magnetico de deteccao de roubo e processo para fabricacao do mesmo | |
HK1078728A1 (en) | Transducer motor/generator assembly | |
WO2006107486A3 (en) | High intensity radial field magnetic actuator | |
DE69432414D1 (de) | Methode und apparat zur magnetischen und elektromagnetischen transientendiffusionsinspektion | |
DE69404232D1 (de) | Magnetischer Träger mit Permanentmagneten | |
US6657433B1 (en) | Portable NMR measurement device | |
DE69401479D1 (de) | Neutronenröhre mit magnetischem Elektroneneinschluss durch Dauermagneten und dessen Herstellungsverfahren | |
ES2147127A1 (es) | Metodo de deteccion de etiquetas resonantes a distancia. | |
GB9719700D0 (en) | Ferromagnetic spatial shielding for the superconducting high field magnet of an NMR spectrometer | |
NO912292D0 (no) | Magnetometer basert paa magnetisk resonans og med multipleksede magnetiseringsviklinger. | |
GB2388909B (en) | NMR High field magnet coil system with superconducting capability and having an outwardly protruding inner coil section | |
EP0932055A3 (en) | NMR sensor | |
ATE111245T1 (de) | Zur deaktivierung eines die frequenz teilenden transponder-sicherungsetiketts wird darin ein vormagnetisierter streifen in einen dreipoligen magneten umgewandelt. | |
EP0940687A3 (en) | Open magnet with shielding | |
IT1247385B (it) | Magneti permanenti generatori di campi magnetici omogenei, in particolare per magnetic resonance imaging (rappresentazione per risonanza magnetica), e relativo metodo di fabbricazione | |
Kuleev et al. | External magnetic field effects on amplitudes and phases of electromagnetic fields excited by torque waves in ferromagnetic rods | |
ATE280986T1 (de) | Elektronisches etikettensystem mit variabler feldstärke | |
AU2001285684A1 (en) | Method and device for generating electromagnetic fields having high field intensity and field homogeneity | |
ITSV980067A0 (it) | Gabbia di faraday, in particolare per applicazioni in risonanza magnetica nucleare. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20000816 Kind code of ref document: A1 Effective date: 20000816 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20180904 |