Adrian J. DeVries

Person

Elmhurst, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Narrow focus compensating transducer for surface acoustic wave filter
- Patent number 4,460,995
- Issue date Jul 17, 1984
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device employing reflectors
- Patent number 4,410,823
- Issue date Oct 18, 1983
- Zenith Radio Corporation
- Robert L. Miller
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface wave acoustic device with compensation for diffraction effects
- Patent number 4,393,358
- Issue date Jul 12, 1983
- Zenith Radio Corporation
- Adrian J. De Vries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Triple transit cancellation
- Patent number 4,392,116
- Issue date Jul 5, 1983
- Zenith Radio Corporation
- Adrian J. De Vries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface wave acoustic device with compensation for spurious frequen...
- Patent number 4,375,624
- Issue date Mar 1, 1983
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic filter with harmonic rejection
- Patent number 4,336,515
- Issue date Jun 22, 1982
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low reflectivity apodized surface acoustic transducer with means to...
- Patent number 4,333,065
- Issue date Jun 1, 1982
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic wave storage convolver
- Patent number 4,099,146
- Issue date Jul 4, 1978
- Zenith Radio Corporation
- Adrian J. DeVries
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Surface wave device for use in a ghost cancellation system
- Patent number 4,065,789
- Issue date Dec 27, 1977
- Zenith Radio Corporation
- Adrian J. DeVries
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Swif with side lobe compensation barrier
- Patent number 4,004,254
- Issue date Jan 18, 1977
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic surface wave device having split-isolated or split-connect...
- Patent number 3,988,703
- Issue date Oct 26, 1976
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic surface wave filter having combined split-isolated and spl...
- Patent number 3,987,379
- Issue date Oct 19, 1976
- Zenith Radio Corporation
- Adrian J. DeVries
- H03 - BASIC ELECTRONIC CIRCUITRY

Adrian J. DeVries

Person

Patents Grantslast 30 patents

Narrow focus compensating transducer for surface acoustic wave filter

Surface acoustic wave device employing reflectors

Surface wave acoustic device with compensation for diffraction effects

Triple transit cancellation

Surface wave acoustic device with compensation for spurious frequen...

Acoustic filter with harmonic rejection

Low reflectivity apodized surface acoustic transducer with means to...

Acoustic wave storage convolver

Surface wave device for use in a ghost cancellation system

Swif with side lobe compensation barrier

Acoustic surface wave device having split-isolated or split-connect...

Acoustic surface wave filter having combined split-isolated and spl...