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Dive into the research topics where Heinz Gerhard Graf is active.

Publication


Featured researches published by Heinz Gerhard Graf.


Archive | 2001

Retina implant assembly and methods for manufacturing the same

Wilfried Nisch; Alfred Stett; M.B. Schubert; Michael Graf; Heinz Gerhard Graf; Hugo Hämmerle; Eberhart Zrenner; Martin Stelzle; Helmut G. Sachs


Archive | 1999

Optically controllable microelectrode array for stimulating cells within a tissue

Wilfried Nisch; Martin Stelzle; Stefan Weiss; Eberhart Zrenner; Elke Günther; Alfred Stett; Heinz Gerhard Graf; Michael Graf; M.B. Schubert; Harald N. Wanka; Anke Hierzenberger


Archive | 2004

Active retina implant comprising a plurality of picture elements

Heinz Gerhard Graf; Alexander Dollberg; Bernd Höfflingen; Wilfried Nisch; Hugo Hämmerle; Alfred Stett; Martin Stelzle; Eberhart Zrenner


Archive | 2002

Method and apparatus for modifying the color saturation of electronically acquired images

Bernd Höfflinger; Heinz Gerhard Graf


Archive | 2000

Retina implant and method for producing the same

Wilfried Nisch; Alfred Stett; M.B. Schubert; Michael Graf; Heinz Gerhard Graf; Hugo Hämmerle; Eberhart Zrenner; Martin Stelzle; Helmut G. Sachs


Archive | 2000

Retina-implantat und verfahren zur herstellung eines solchen

Wilfried Nisch; Alfred Stett; M.B. Schubert; Michael Graf; Heinz Gerhard Graf; Hugo Hämmerle; Eberhart Zrenner; Martin Stelzle; H. Sachs


Archive | 2004

Aktives Retina-Implantat mit einer Vielzahl von Bildelementen

Heinz Gerhard Graf; Alexander Dollberg; Bernd Höfflingen; Wilfried Nisch; Hugo Hämmerle; Alfred Stett; Martin Stelzle; Eberhart Zrenner


Archive | 1997

Optically controllable microelectrode arrangement for stimulating cells, in particular a retina implant

Wilfried Nisch; Martin Stelzle; Stefan Weiss; E. Zrenner; Elke Günther; Alfred Stett; Heinz Gerhard Graf; Michael Graf; M.B. Schubert; Harald N. Wanka; Anke Hierzenberger


Archive | 2004

Implant retinien actif comprenant une pluralite d'elements d'image

Heinz Gerhard Graf; Alexander Dollberg; Bernd Höfflingen; Wilfried Nisch; Hugo Hämmerle; Alfred Stett; Martin Stelzle; Eberhart Zrenner


Archive | 2000

Method and device for modifying the color intensity of electronically acquired images

Heinz Gerhard Graf; Bernd Höfflinger

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Michael Graf

University of Tübingen

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Alfred Stett

University of Tübingen

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