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- Hugo_Koch abstract "Hugo Alexander Koch (9 March 1870, Delft – 3 March 1928, Düsseldorf) was a Dutch inventor who conceived of and patented an idea for machine encryption — the rotor machine, although he was not the first to do so. He is sometimes erroneously credited as the originator of the Enigma machine, although this has been shown to be the work of German engineer Arthur Scherbius.Koch filed for his rotor machine patent on 7 October 1919, and was granted Netherlands patent 10,700 (equivalent to U.S. Patent 1,533,252), held by Naamloze Vennootschap Ingenieursbureau Securitas in Amsterdam. No machine was built from his patents, and, in 1927, he assigned the rights to Arthur Scherbius, the inventor of the Enigma machine. Scherbius had developed the idea of rotor machine encryption independently from Koch, and had filed for his own patent in 1918. Bauer (1999) writes that Scherbius bought Koch's patents "obviously not because he did not own patents before; presumably he wanted to protect his patents".".
- Hugo_Koch birthDate "1870-03-09".
- Hugo_Koch birthYear "1870".
- Hugo_Koch deathDate "1928-03-03".
- Hugo_Koch deathYear "1928".
- Hugo_Koch viafId "101287851".
- Hugo_Koch wikiPageID "3027132".
- Hugo_Koch wikiPageRevisionID "547114796".
- Hugo_Koch dateOfBirth "1870-03-09".
- Hugo_Koch dateOfDeath "1928-03-03".
- Hugo_Koch hasPhotoCollection Hugo_Koch.
- Hugo_Koch name "Koch, Hugo".
- Hugo_Koch shortDescription "Dutch cryptographer".
- Hugo_Koch description "Dutch cryptographer".
- Hugo_Koch description "Dutch cryptographer".
- Hugo_Koch subject Category:1870_births.
- Hugo_Koch subject Category:1928_deaths.
- Hugo_Koch subject Category:Dutch_cryptographers.
- Hugo_Koch subject Category:Dutch_inventors.
- Hugo_Koch subject Category:People_from_Delft.
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- Hugo_Koch type Cryptanalyst109981540.
- Hugo_Koch type Decoder109995398.
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- Hugo_Koch comment "Hugo Alexander Koch (9 March 1870, Delft – 3 March 1928, Düsseldorf) was a Dutch inventor who conceived of and patented an idea for machine encryption — the rotor machine, although he was not the first to do so. He is sometimes erroneously credited as the originator of the Enigma machine, although this has been shown to be the work of German engineer Arthur Scherbius.Koch filed for his rotor machine patent on 7 October 1919, and was granted Netherlands patent 10,700 (equivalent to U.S.".
- Hugo_Koch label "Hugo Alexander Koch".
- Hugo_Koch label "Hugo Alexander Koch".
- Hugo_Koch label "Hugo Koch".
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- Hugo_Koch givenName "Hugo".
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- Hugo_Koch name "Hugo Koch".
- Hugo_Koch name "Koch, Hugo".
- Hugo_Koch surname "Koch".