GERÄT ZUR DETEKTIERUNG VON MARKIERTEM PAPIER UND VON DIESEM GERÄT DETEKTIERBARES MARKIERTES PAPIER
The invention relates to a marked paper document and a marked paper document detection device. The device comprises excitation means (A1, A2, A3) for varying the magnetization of glass-covered amorphous ferromagnetic filaments contained in the marked paper document with time, and means for detecting...
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Main Authors | , , |
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Format | Patent |
Language | German |
Published |
15.04.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | The invention relates to a marked paper document and a marked paper document detection device. The device comprises excitation means (A1, A2, A3) for varying the magnetization of glass-covered amorphous ferromagnetic filaments contained in the marked paper document with time, and means for detecting a variation in the magnetization of the ferromagnetic filaments. The invention is applicable to checking reproduction of documents and authentication of documents. |
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AbstractList | The invention relates to a marked paper document and a marked paper document detection device. The device comprises excitation means (A1, A2, A3) for varying the magnetization of glass-covered amorphous ferromagnetic filaments contained in the marked paper document with time, and means for detecting a variation in the magnetization of the ferromagnetic filaments. The invention is applicable to checking reproduction of documents and authentication of documents. |
Author | LEDIEU, MARC JOUBERT, JEAN-CLAUDE ACHER, OLIVIER |
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Notes | Application Number: AT20010947524T |
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RelatedCompanies | COMMISSARIAT A L'ENERGIE ATOMIQUE |
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Snippet | The invention relates to a marked paper document and a marked paper document detection device. The device comprises excitation means (A1, A2, A3) for varying... |
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SubjectTerms | ALARM SYSTEMS DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING |
Title | GERÄT ZUR DETEKTIERUNG VON MARKIERTEM PAPIER UND VON DIESEM GERÄT DETEKTIERBARES MARKIERTES PAPIER |
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