Charles Maerfeld

Person

Antibes, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Probe with curved bar for an echograph
- Patent number 5,109,860
- Issue date May 5, 1992
- General Electric CGR SA
- Jean-Francois Gelly
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Device for optical frequency translation and a modulator in which s...
- Patent number 5,022,731
- Issue date Jun 11, 1991
- Thomson-CSF
- Charles Maerfeld
- G02 - OPTICS
Information Patent Grant
Multiple-frequency acoustic transducer, especially for medical imaging
- Patent number 4,870,972
- Issue date Oct 3, 1989
- Thomson-CSF
- Charles Maerfeld
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Ultrasonic sensor for electronic sectorial scanning and echograph i...
- Patent number 4,694,700
- Issue date Sep 22, 1987
- CGR Ultrasonic
- Charles Maerfeld
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Surface wave dispersive acoustic delay line
- Patent number 4,477,784
- Issue date Oct 16, 1984
- Thomson-CSF
- Charles Maerfeld
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric elastic-wave convolver device
- Patent number 4,388,599
- Issue date Jun 14, 1983
- Thomson-CSF
- Herve Gautier
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Two dimensional acousto-electrical device for storing and processin...
- Patent number 4,323,985
- Issue date Apr 6, 1982
- Thomson-CSF
- Charles Maerfeld
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reversible electroacoustic transducer device having a constant dire...
- Patent number 4,314,098
- Issue date Feb 2, 1982
- Thomson-CSF
- Charles Maerfeld
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Elastic wave accelerometer
- Patent number 4,306,456
- Issue date Dec 22, 1981
- Thomson-CSF
- Charles Maerfeld
- G01 - MEASURING TESTING
Information Patent Grant
Acoustoelectric device for reading or processing a two-dimensional...
- Patent number 4,281,350
- Issue date Jul 28, 1981
- Thomson-CSF
- Charles Maerfeld
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Elastic waves device for memorizing information
- Patent number 4,159,539
- Issue date Jun 26, 1979
- Thomson-CSF
- Pierre Tournois
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System for processing an electric signal using elastic surface waves
- Patent number 4,134,623
- Issue date Jan 16, 1979
- Thomson-CSF
- Pierre Tournois
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for processing an electric signal using elastic surface waves
- Patent number 4,128,615
- Issue date Dec 5, 1978
- Thomson-CSF
- Pierre Tournois
- G06 - COMPUTING CALCULATING COUNTING
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
Acoustic surface wave device comprising arrays of parallel metallic...
- Patent number 3,947,783
- Issue date Mar 30, 1976
- Thomson-CSF
- Charles Maerfeld
- H03 - BASIC ELECTRONIC CIRCUITRY

Charles Maerfeld

Person

Patents Grantslast 30 patents

Probe with curved bar for an echograph

Device for optical frequency translation and a modulator in which s...

Multiple-frequency acoustic transducer, especially for medical imaging

Ultrasonic sensor for electronic sectorial scanning and echograph i...

Surface wave dispersive acoustic delay line

Piezoelectric elastic-wave convolver device

Two dimensional acousto-electrical device for storing and processin...

Reversible electroacoustic transducer device having a constant dire...

Elastic wave accelerometer

Acoustoelectric device for reading or processing a two-dimensional...

Elastic waves device for memorizing information

System for processing an electric signal using elastic surface waves

Method for processing an electric signal using elastic surface waves

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

Acoustic surface wave device comprising arrays of parallel metallic...