Rolf Magel

Person

Fernwald, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Device for exposure metering
- Patent number 5,907,727
- Issue date May 25, 1999
- Leica Camera AG
- Walter Bletz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit arrangement for reducing the settling time of logarithmic a...
- Patent number 4,737,668
- Issue date Apr 12, 1988
- Ernst Leitz Wetzlar GmbH
- Walter Bletz
- G01 - MEASURING TESTING
Information Patent Grant
Circuit arrangement to ascertain and indicate that a luminous densi...
- Patent number 4,694,155
- Issue date Sep 15, 1987
- Ernst Leitz Wetzlar GmbH
- Walter Bletz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit arrangement for an electronic exposure meter
- Patent number 4,647,175
- Issue date Mar 3, 1987
- Ernst Leitz Wetzlar GmbH
- Walter Bletz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for automatic exposure control on a photograph...
- Patent number 4,310,229
- Issue date Jan 12, 1982
- Ernst Leitz Wetzlar GmbH
- Rolf Magel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit arrangement for the compensation of the temperature coeffic...
- Patent number 4,284,334
- Issue date Aug 18, 1981
- Ernst Leitz Wetzlar GmbH
- Rolf Magel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Single lens mirror reflex camera with automated aperture and timing...
- Patent number 4,172,651
- Issue date Oct 30, 1979
- Ernst Leitz Wetzlar GmbH
- Willi Wiessner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Device for exposure metering

Circuit arrangement for reducing the settling time of logarithmic a...

Circuit arrangement to ascertain and indicate that a luminous densi...

Circuit arrangement for an electronic exposure meter

Method and apparatus for automatic exposure control on a photograph...

Circuit arrangement for the compensation of the temperature coeffic...

Single lens mirror reflex camera with automated aperture and timing...