Donn Werrbach

Person

Burbank, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Microphone output limiter
- Patent number 6,266,423
- Issue date Jul 24, 2001
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digitally-controlled low noise variable-gain amplifier
- Patent number 6,160,448
- Issue date Dec 12, 2000
- Aphex Systems
- Donn Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase coherent crossover
- Patent number 5,930,374
- Issue date Jul 27, 1999
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Drift canceling method and apparatus for analog to digital converters
- Patent number 5,898,395
- Issue date Apr 27, 1999
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sticky leveler
- Patent number 5,896,458
- Issue date Apr 20, 1999
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distributed pre-emphasis equalizer
- Patent number 5,848,167
- Issue date Dec 8, 1998
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Split-band clipper
- Patent number 5,737,432
- Issue date Apr 7, 1998
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Functional control block for voltage regulator with dual servo loops
- Patent number 5,612,612
- Issue date Mar 18, 1997
- Aphex Systems, Ltd.
- Donn Werrbach
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Concentric servo voltage regulator utilizing an inner servo loop an...
- Patent number 5,485,077
- Issue date Jan 16, 1996
- Aphex Systems, Ltd.
- Donn Werrbach
- G05 - CONTROLLING REGULATING
Information Patent Grant
Wave dependent compressor
- Patent number 5,483,600
- Issue date Jan 9, 1996
- Aphex Systems, Ltd.
- Donn Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Peak accelerated compressor
- Patent number 5,463,695
- Issue date Oct 31, 1995
- Aphex Systems, Ltd.
- Donn Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reflected plate amplifier
- Patent number 5,450,034
- Issue date Sep 12, 1995
- Aphex Systems, Ltd.
- Donn Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transient discriminate harmonics generator
- Patent number 5,424,488
- Issue date Jun 13, 1995
- Aphex Systems, Ltd.
- Donn Werrbach
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Frequency discriminate leveler
- Patent number 5,422,602
- Issue date Jun 6, 1995
- Aphex Systems, Ltd.
- Donn Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio bass frequency enhancement
- Patent number 5,359,665
- Issue date Oct 25, 1994
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Logic enhanced noise gate
- Patent number 5,334,947
- Issue date Aug 2, 1994
- Aphex Systems, Ltd.
- Donn Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Discrete parallel path modulation multiplexer
- Patent number 5,155,769
- Issue date Oct 13, 1992
- Aphex Systems, Ltd.
- Donn R. Werrbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impulse detection circuit
- Patent number 4,939,471
- Issue date Jul 3, 1990
- Aphex Systems Ltd.
- Donn R. Werrbach
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multiband limiter with automatic limiting threshold (ALT) compensation
- Patent number 4,843,626
- Issue date Jun 27, 1989
- Donn R. Werrbach
- H03 - BASIC ELECTRONIC CIRCUITRY

Donn Werrbach

Person

Patents Grantslast 30 patents

Microphone output limiter

Digitally-controlled low noise variable-gain amplifier

Phase coherent crossover

Drift canceling method and apparatus for analog to digital converters

Sticky leveler

Distributed pre-emphasis equalizer

Split-band clipper

Functional control block for voltage regulator with dual servo loops

Concentric servo voltage regulator utilizing an inner servo loop an...

Wave dependent compressor

Peak accelerated compressor

Reflected plate amplifier

Transient discriminate harmonics generator

Frequency discriminate leveler

Audio bass frequency enhancement

Logic enhanced noise gate

Discrete parallel path modulation multiplexer

Impulse detection circuit

Multiband limiter with automatic limiting threshold (ALT) compensation