ES2127096A1 - Dispositivo magnetoelastico para la identificacion y autentificacion de firmas. - Google Patents

Dispositivo magnetoelastico para la identificacion y autentificacion de firmas.

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Publication number
ES2127096A1
ES2127096A1 ES09600172A ES9600172A ES2127096A1 ES 2127096 A1 ES2127096 A1 ES 2127096A1 ES 09600172 A ES09600172 A ES 09600172A ES 9600172 A ES9600172 A ES 9600172A ES 2127096 A1 ES2127096 A1 ES 2127096A1
Authority
ES
Spain
Prior art keywords
magneto
authentication
identification
signatures
secondary winding
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
Application number
ES09600172A
Other languages
English (en)
Other versions
ES2127096B1 (es
Inventor
Villalabeitia Manuel Vazquez
Beneytez Juan Manuel Garcia
Zhukov Arcady Pavlovich
Catalan Carlos Fernandez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universidad Complutense de Madrid
Original Assignee
Universidad Complutense de Madrid
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Universidad Complutense de Madrid filed Critical Universidad Complutense de Madrid
Priority to ES9600172A priority Critical patent/ES2127096B1/es
Publication of ES2127096A1 publication Critical patent/ES2127096A1/es
Application granted granted Critical
Publication of ES2127096B1 publication Critical patent/ES2127096B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

Dispositivo magnetoelástico para la identificación y autentificación de firmas. El dispositivo magnético para la identificación y autentificación de firmas aprovecha la anisotropía magnetoelástica inducida por tensiones en hilos ferromagnéticos magnetostrictivos para detectar la variación de tensión mecánica sobre el hilo magnetostrictivo. Consta de un hilo magnetostrictivo, un arrollamiento secundario, un circuito excitador y un circuito de tratamiento de la señal recogida en el arrollamiento secundario constituido por un montaje de análisis y, tratamiento de la señal. Cuando se hace circular una corriente por el arrollamiento excitador del hilo magnetostrictivo, se induce un voltaje en el arrollamiento secundario que depende de la tensión sobre el hilo magnetostrictivo.
ES9600172A 1996-01-25 1996-01-25 Dispositivo magnetoelastico para la identificacion y autentificacion de firmas. Expired - Fee Related ES2127096B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9600172A ES2127096B1 (es) 1996-01-25 1996-01-25 Dispositivo magnetoelastico para la identificacion y autentificacion de firmas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9600172A ES2127096B1 (es) 1996-01-25 1996-01-25 Dispositivo magnetoelastico para la identificacion y autentificacion de firmas.

Publications (2)

Publication Number Publication Date
ES2127096A1 true ES2127096A1 (es) 1999-04-01
ES2127096B1 ES2127096B1 (es) 2000-01-01

Family

ID=8293557

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9600172A Expired - Fee Related ES2127096B1 (es) 1996-01-25 1996-01-25 Dispositivo magnetoelastico para la identificacion y autentificacion de firmas.

Country Status (1)

Country Link
ES (1) ES2127096B1 (es)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006628A (en) * 1975-11-19 1977-02-08 Ncr Corporation Magnetic induction type transducer means
GB1525259A (en) * 1975-10-03 1978-09-20 Smith R Radio transmitter pressure and speed measuring writing pe
US4142175A (en) * 1978-06-12 1979-02-27 International Business Machines Corporation Pressure sensing device and transducer arrangement
EP0097807A2 (en) * 1982-06-30 1984-01-11 International Business Machines Corporation Data input pen for signature verification
US4467662A (en) * 1982-04-19 1984-08-28 Asea Aktiebolag Signal rectifier, especially for magnetoelastic transducers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525259A (en) * 1975-10-03 1978-09-20 Smith R Radio transmitter pressure and speed measuring writing pe
US4006628A (en) * 1975-11-19 1977-02-08 Ncr Corporation Magnetic induction type transducer means
US4142175A (en) * 1978-06-12 1979-02-27 International Business Machines Corporation Pressure sensing device and transducer arrangement
US4467662A (en) * 1982-04-19 1984-08-28 Asea Aktiebolag Signal rectifier, especially for magnetoelastic transducers
EP0097807A2 (en) * 1982-06-30 1984-01-11 International Business Machines Corporation Data input pen for signature verification

Also Published As

Publication number Publication date
ES2127096B1 (es) 2000-01-01

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