Philippe Defranould

Person

Paris, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Acoustic wave delay system with an optically controlled delay medium
- Patent number 5,122,766
- Issue date Jun 16, 1992
- Thomson-CSF
- Jean-Pierre Huignard
- G02 - OPTICS
Information Patent Grant
Piezoelectric transducer to generate bulk waves
- Patent number 4,975,892
- Issue date Dec 4, 1990
- Thomson-CSF
- Philippe Defranould
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Method for the elimination of spurious echos in electro-acoustic de...
- Patent number 4,821,004
- Issue date Apr 11, 1989
- Thomson-CSF
- Philippe Defranould
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezo-resistive device for the electrical read-out of an optical image
- Patent number 4,129,798
- Issue date Dec 12, 1978
- Thomson-CSF
- Philippe Defranould
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and a device for an electro-acoustic reading of an optical d...
- Patent number 4,122,495
- Issue date Oct 24, 1978
- Thomson-CSF
- Philippe Defranould
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro-acoustic devices for analysing optical image
- Patent number 4,084,192
- Issue date Apr 11, 1978
- Thomson-CSF
- Philippe Defranould
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for the two-dimensional reading of optical images, using ela...
- Patent number 4,069,507
- Issue date Jan 17, 1978
- Thomson-CSF
- Philippe Defranould
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Philippe Defranould

Person

Patents Grantslast 30 patents

Acoustic wave delay system with an optically controlled delay medium

Piezoelectric transducer to generate bulk waves

Method for the elimination of spurious echos in electro-acoustic de...

Piezo-resistive device for the electrical read-out of an optical image

Method and a device for an electro-acoustic reading of an optical d...

Electro-acoustic devices for analysing optical image

Device for the two-dimensional reading of optical images, using ela...