using the mirror as sensor

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Patents Grantslast 30 patents

Information Patent Grant
Exposure ascertaining device for cameras
- Patent number 4,461,559
- Issue date Jul 24, 1984
- Konishiroku Photo Industry Co., Ltd.
- Fumiaki Hiraike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focusing optical system for single-lens reflex cameras
- Patent number 4,252,424
- Issue date Feb 24, 1981
- Olympus Optical Co., Ltd.
- Toshihiro Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method to control introduction of diffracted beam by means of diffr...
- Patent number 4,215,924
- Issue date Aug 5, 1980
- Canon Kabushiki Kaisha
- Kazuya Matsumoto
- G02 - OPTICS
Information Patent Grant
Device to control introduction of diffracted beam by means of diffr...
- Patent number 4,172,646
- Issue date Oct 30, 1979
- Canon Kabushiki Kaisha
- Kazuya Matsumoto
- G02 - OPTICS
Information Patent Grant
3872484
- Patent number 3,872,484
- Issue date Mar 18, 1975
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3612703
- Patent number 3,612,703
- Issue date Oct 12, 1971
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY