Francois M. L. Hullein

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Nantes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Angle encoder for encoding the zenithal angle between a variable de...
- Patent number 4,664,519
- Issue date May 12, 1987
- Societe d'Etudes, Recherches et Constructions Electroniques SERCEL
- Francois Hullein
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring distance between two observation points
- Patent number 4,639,129
- Issue date Jan 27, 1987
- Societe d'Etudes, Recherche et Constructions Electroniques-Sercel
- Francois Hullein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Angle coder with variable input angle
- Patent number 4,240,069
- Issue date Dec 16, 1980
- Societe d'Etudes, Recherches et Constructions Electroniques SERCEL
- Francois M. L. Hullein
- G01 - MEASURING TESTING
Information Patent Grant
Telemeter comprising a pilot oscillator and an oscillator kept in p...
- Patent number 4,146,328
- Issue date Mar 27, 1979
- Societe d'Etudes Recherches et Constructions Electroniques
- Francois M. L. Hullein
- G01 - MEASURING TESTING