Inventor · disambiguated record
Philippe Defranould
Also filed as: DEFRANOULD P · DEFRANOULD PHILIPPE
7 granted patents·60 citations·filing 1976–1989
84Inventor score
Files withTHOMSON CSF7
Top patents by PatentIndex Score
7 records- 0149US4122495AMethod and a device for an electro-acoustic reading of an optical device imageTHOMSON CSF·Filed 1977·Granted Oct 24, 1978·8 cites·9 claims
- 0249US4084192AElectro-acoustic devices for analysing optical imageTHOMSON CSF·Filed 1976·Granted Apr 11, 1978·11 cites·8 claims
- 0349US4069507ADevice for the two-dimensional reading of optical images, using elastic surface wavesTHOMSON CSF·Filed 1976·Granted Jan 17, 1978·8 cites·14 claims
- 0445US4975892APiezoelectric transducer to generate bulk wavesTHOMSON CSF·Filed 1989·Granted Dec 4, 1990·17 cites·13 claims
- 0540US4129798APiezo-resistive device for the electrical read-out of an optical imageTHOMSON CSF·Filed 1977·Granted Dec 12, 1978·9 cites·11 claims
- 0634US5122766AAcoustic wave delay system with an optically controlled delay mediumTHOMSON CSF·Filed 1989·Granted Jun 16, 1992·5 cites·16 claims
- 0721US4821004AMethod for the elimination of spurious echos in electro-acoustic delay lines using bulk waves and delay line applying this methodTHOMSON CSF·Filed 1987·Granted Apr 11, 1989·2 cites·8 claims
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