A SECURITY DOCUMENT CIRCUIT

The authenticity of a security document, such as a bank note, is verified by use of a security feature arranged in or on the document, which security feature comprises an antenna arranged to receive EM-radiation from an external energy source; a rectifier arranged to receive electric energy from the...

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Main Authors WANG, XIN, MALMSTRÖM, ANNA, HENNERDAL, LARS-OLOV, SNELLING, JAMES PETER, NORBERG, PETRONELLA, COOPER, PHILIP GEORGE, ROBERTSSON, MATS, NORDLINDER, STAFFAN
Format Patent
LanguageEnglish
French
German
Published 23.12.2015
Subjects
CHECKING-DEVICES
HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING
PHYSICS
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Abstract The authenticity of a security document, such as a bank note, is verified by use of a security feature arranged in or on the document, which security feature comprises an antenna arranged to receive EM-radiation from an external energy source; a rectifier arranged to receive electric energy from the antenna and convert it into a rectified current; and an electrochromic display arranged to alter its electrochromic state in response to said rectified current. Hence, a security feature able alter its appearance in response to EM-radiation is provided, which comprises a display that can be given a large variety of two dimensional shapes.
AbstractList The authenticity of a security document, such as a bank note, is verified by use of a security feature arranged in or on the document, which security feature comprises an antenna arranged to receive EM-radiation from an external energy source; a rectifier arranged to receive electric energy from the antenna and convert it into a rectified current; and an electrochromic display arranged to alter its electrochromic state in response to said rectified current. Hence, a security feature able alter its appearance in response to EM-radiation is provided, which comprises a display that can be given a large variety of two dimensional shapes.
Author HENNERDAL, LARS-OLOV
NORBERG, PETRONELLA
ROBERTSSON, MATS
MALMSTRÖM, ANNA
COOPER, PHILIP GEORGE
SNELLING, JAMES PETER
NORDLINDER, STAFFAN
WANG, XIN
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– fullname: COOPER, PHILIP GEORGE
– fullname: ROBERTSSON, MATS
– fullname: NORDLINDER, STAFFAN
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Snippet The authenticity of a security document, such as a bank note, is verified by use of a security feature arranged in or on the document, which security feature...
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SubjectTerms CHECKING-DEVICES
HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING
PHYSICS
Title A SECURITY DOCUMENT CIRCUIT
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