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Michaela Spankova, Stefania Bohmerova, Dusan Mikulaj Institute of Forensic Science, Slovak Republic

The author of one of the first classification systems was Dane Haken Jorgensen. In addition to the basic pattern, his system was already coded minutiae in the middle of the pattern. This system is also known as "distant identif ication" and is often associated with the "telegraphic" attribute . It was built on t he basis of the Henry, Vucetich, Rocher and others systems, but also on the distant identification of Spanish 016riz Aguiler.

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For the fingerprint encoding into the numeric codes was used a special measuring system engraved on the fingerprint magnifying glass. The position of the minutiae was recorded according to the angles and distances displayed on this measuring system.

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Jorgensen's classification consisted of several numerical codes that were built on the bases of other systems mentioned above. Each of these codes gave different information about fingerprints .

In the GI code, the basic patterns of all ten fingers were encoded. (Example: 33335 14444)

Inside the GIi code, information about index fingers and middle fingers, and more information about right-hand fingers, has been encoded .

(Example: 212.18.5.15.7.14) The NB code consisted of four digits and has been used for quick identification. It has contained information about a distinct and rare fragment and its exact location on a particular finger.

(Example : 5101) In the formula for one finger Identification, the exact position information of the minutia has been encoded. Each minutiae has had its own numeric code. Coded were only those minutiae that were in the detail zone - an area defined by two segments spaced 4 mm apart.

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I The numeric code which coded the second level details contained in fingerprints, could be sent telegraphically not only within a country but also to other states. By decoding the telegraphic report, forensic experts in another country knew how to draw some part of fingerprint. Since 1922, thanks to this method of coding, they did not have to send latents and fingerprints in natura. By using a telegraph they could have excluded the offender very quickly. The Jorgensen's classification system has made "International fingerprint exchange" possible. Combination of all of these codes had enough information for individual identification.

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We can cla im that Jorgensen was one of the pioneers who laid the foundations for international exchange of fingerprint identification material.

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----/-_ Llteraturet 11 JORGENSEN, H., Distant Identification, 1922 Z)ANSI/NIST-ITL 1-2001, Revlsiori of ANSI/ NIST·ITL 1-2000, ANSI· Amerltan national standard hir Information ,v,tem,. Otflnltlon of data format for ftnpr¢nt, fadll and other blo-lt doll adm,• ll PIIIIM • "'1-Mlftoll, ar.11511,..101Z

- -The author of one of the first class1ficat1on systems was Dane Hakon • Jorgensen. In add1t1on to the basic pattern, his system was already coded .. ,,,,. ... minutiae in the middle of the pattern. This system is also known as 11distant .. 1dent1f1cat1on" and ,s often associated with the "telegraphic" attribute. It was

-/- -.. built on the basis of the Henry, Vucetich, Rocher and others systems, but also - -... on the distant identification of Spanish 016riz Aguiler.

-/- ~ .. r .. , ' -For the fingerprint encoding into the numeric codes was used a special •

- - - / measuring system engraved on the fingerprint magnifying glass. The position - ,,. -of the m1nut1ae was recorded according to the angles and distances displayed

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-- - -- .. - - - Jorgensen's class1ficat1on consisted of several numerical codes that were built on the bases of other systems mentioned above. Each of these codes gave different information - ,

~ about fingerprints. • (. \ \ I \ ' In the GI code, the basic patterns of all ten fingers were encoded. .. ' I -- ..

(Example: 33335 14444) ~ ... - t, Inside the GIi code, information about index fingers and middre fingers, and more ' •

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The NB code consisted of four digits and has been used for quick 1dentif1cat1on. It has - ,.,' II

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• (Example: 5101) • • ,. \ - .,. s - In the formula for one finger identification, the exact position 1nformat1on of the minutia

has been encoded. Each minutiae has had its own numeric code. Coded were only those - .,,,, minutiae that were in the detail zone - an area defined by two segments spaced 4 mm apart.

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The numeric code which coded the second level details contained in fingerprints, could be sent telegraphically not only within a country but also to other states. By decoding the telegraphic report, forensic experts in another country knew how to draw some part of fingerprint. Since 1922, thanks to this method of coding, they

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/. did not have to send latents and fingerprints in natura. By using a telegraph they could have excluded the offender very quickly. The Jorgensen's classification system has made 11 lnternational fingerprint exchange" possible. Combination of all .., of these codes had enough information for individual identification. f

We can claim that Jorgensen was one of the pioneers who laid the foundations for international exchange of fingerprint identification material.

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