Pierre Berthet

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and system for optical recording and reading on a mobile da...
- Patent number 4,669,077
- Issue date May 26, 1987
- Thomson-CSF
- Jean-Louis Gerard
- G11 - INFORMATION STORAGE
Information Patent Grant
Process and optical device for generating signals controlling the p...
- Patent number 4,562,564
- Issue date Dec 31, 1985
- Thomson-CSF
- Claude Bricot
- G11 - INFORMATION STORAGE
Information Patent Grant
Process and system for optical recording and reading on a mobile da...
- Patent number 4,561,082
- Issue date Dec 24, 1985
- Thomson-CSF
- Jean-Louis Gerard
- G11 - INFORMATION STORAGE
Information Patent Grant
Information carrier disk with angular coding means and a system for...
- Patent number 4,556,966
- Issue date Dec 3, 1985
- Thomson-CSF
- Claude Bricot
- G11 - INFORMATION STORAGE
Information Patent Grant
Mobile pre-etched data carrier and an optical tracking device using...
- Patent number 4,553,228
- Issue date Nov 12, 1985
- Thomson-CSF
- Jean L. Gerard
- G11 - INFORMATION STORAGE