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ATA900281A - SECURITY CHARACTERISTICS IN THE FORM OF LUMINESCENT SUBSTANCES ONLY IN THE INVISIBLE AREA OF THE OPTICAL SPECTRUM - Google Patents

SECURITY CHARACTERISTICS IN THE FORM OF LUMINESCENT SUBSTANCES ONLY IN THE INVISIBLE AREA OF THE OPTICAL SPECTRUM

Info

Publication number
ATA900281A
ATA900281A AT900281A AT900281A ATA900281A AT A900281 A ATA900281 A AT A900281A AT 900281 A AT900281 A AT 900281A AT 900281 A AT900281 A AT 900281A AT A900281 A ATA900281 A AT A900281A
Authority
AT
Austria
Prior art keywords
optical spectrum
luminescent substances
invisible area
security characteristics
security
Prior art date
Application number
AT900281A
Other languages
German (de)
Other versions
AT377028B (en
Original Assignee
Gao Ges Automation Org
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 Gao Ges Automation Org filed Critical Gao Ges Automation Org
Priority claimed from PCT/DE1981/000081 external-priority patent/WO1981003510A1/en
Publication of ATA900281A publication Critical patent/ATA900281A/en
Priority to AT236684A priority Critical patent/AT400372B/en
Application granted granted Critical
Publication of AT377028B publication Critical patent/AT377028B/en

Links

AT900281A 1980-05-30 1981-05-29 SECURITY CHARACTERISTICS IN THE FORM OF ONLY LUMINESCENT SUBSTANCES IN THE INVISIBLE AREA OF THE OPTICAL SPECTRUM AT377028B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT236684A AT400372B (en) 1980-05-30 1984-07-23 Test method for banknotes and device for carrying it out

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3020599 1980-05-30
PCT/DE1981/000081 WO1981003510A1 (en) 1980-05-30 1981-05-29 Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof

Publications (2)

Publication Number Publication Date
ATA900281A true ATA900281A (en) 1984-06-15
AT377028B AT377028B (en) 1985-01-25

Family

ID=25785763

Family Applications (1)

Application Number Title Priority Date Filing Date
AT900281A AT377028B (en) 1980-05-30 1981-05-29 SECURITY CHARACTERISTICS IN THE FORM OF ONLY LUMINESCENT SUBSTANCES IN THE INVISIBLE AREA OF THE OPTICAL SPECTRUM

Country Status (1)

Country Link
AT (1) AT377028B (en)

Also Published As

Publication number Publication date
AT377028B (en) 1985-01-25

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time