Werner Holle

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B25.JPG

E. Leitz Photographic Patents by Werner Holle

  • 1964 NOV 12 - PHOTOCELL ARRANGEMENT IN CAMERA with Heinrich Broschke, Gunther Meinecke and Erich Mandler.
  • 1966 OCT 05 - SINGLE LENS REFLEX CAMERAS with Heinrich Broschke and Werner Wiessner (see Leicaflex SL and SLMOT)
  • 1967 JUN 12 - CAMERA LIGHT METER
  • 1970 AUG 31 - APPARATUS FOR CONTROLLING THE SHUTTER SPEED OF PHOTOGRAPHIC CAMERAS with Arthur Kessler (see above)
  • 1976 JAN 13 - AUTO FOCUS WITH SPATIAL FILTERING AND PAIRWISE INTERROGATION OF PHOTOELECTRIC DIODES
  • 1976 MAR 15 - ELECTRONIC STORAGE, INDICATOR AND EXPOSURE TIME CONTROL DEVICE FOR PHOTOGRAPHIC CAMERAS with Walter Bletz
  • 1976 JUN 14 - SCANNING GRATING FOR FOCUS DETECTOR with Walter Bletz
  • 1976 JUL 01 - EXPOSURE CONTROL DEVICE FOR PHOTOGRAPHIC CAMERAS with Walter Bletz and Rolf Magel
  • 1976 JUL 01 - APPARATUS FOR STORING A VOLTAGE ANALOGOUS TO AN EXPOSURE PARAMETER IN PHOTOGRAPHIC CAMERAS with Walter Bletz
  • 1977 OCT 26 - OPTICAL OBJECTIVE FOCUS INDICATOR AND DISPLAY with Walter Bletz
  • 1978 JAN 24 - ELECTROOPTICAL FOCUSING APPARATUS FOR PHOTOGRAPHIC CAMERAS
  • 1978 FEB 15 - OPTICAL EXPOSURE MEASURING SYSTEM FOR PHOTOGRAPHIC CAMERAS with Dietrich Brückner (see above)