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Verein der Freunde und Förderer 
Technische Sammlung Dr.-Ing. Rudolf Hell 
in Kiel e.V. 
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Hell Development

  • Communication technology

    • Morse devices
    • Teletype devices
    • Facsimile devices
    • Wirephoto devices
  • Reproduction technology

    • Gravure devices
    • Scanner
    • Recorder
    • System technology
    • Scanner: Special application
  • Typesetting technology

    • Digiset
    • Computer for typesetting
    • Digigraph
    • Text editing / data display devices
    • Dicom

Scanner

 

General

 

The first drum scanners were developed by Hell since 1966. These scanners were not linked to a computer, since pictures could not yet be stored digitally. Available memory devices had not enough memory capacity, and they were too expensive and too slow. Only beginning in 1978, the first drum scanners could digitize pictures and store them in a computer.

Principles of analog scanner     
 
  • Scanner development
    Is there any problem? Unkown author ; around 1980
Any problem?
 
A one hour lasting training course about scanner technology is available on DVD. Please consider about a donation and contact us by the contact form.
Here the first 4- minutes sample data.

Chromagraph Scanner course
          
  • Scannertraining
    Trainingroom at the Grenzstraße;  DC 300 B ; 1978; left in the background the estuary of Schwentine
       
       
 

 

 
Chromagraph

    Gradation und Farbkorrektur

    Theoretischer Leitfaden

    German (8,7 Mbyte)

Preview

  Chromagraph Gradation und Farbkorrektur 1974 04 
       
       
  Chromagraph C 185   (1965)   C185 de
       
 

Chromagraph DC 300 B  (1975)

  Chromagraph DC 300 
       
 
Digitalization of Chromagraph
 
Chromagraph C 299   (1977)
Chromagraph CP 340 (1978)
Chromagraph DC 350 (1978)
Chromagraph DC 380 (1987)
  Chromagraph C299
       
 

ChromaGraph S 3010  (1990)

Kulturdenkmal SH en

 
Productfamily:
ChromaGraph DC 3000
   S 3010
       
 

Tango / Primescan  (1997)

Kulturdenkmal SH en

  Tango
       
 

Topaz (1994)

Kulturdenkmal SH en

  Topaz
       
  Nexscan 4200 (2000)   Nexscan
       

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