Steven E. Austin

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for reproducing sound with a reduced dynamic range
- Patent number 5,613,010
- Issue date Mar 18, 1997
- Apple Computer, Inc.
- Lawrence F. Heyl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Muting of computer sound system during power cycling
- Patent number 5,424,678
- Issue date Jun 13, 1995
- Apple Computer, Inc.
- Lawrence F. Heyl
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pulse width modulation speaker amplifier
- Patent number 5,398,003
- Issue date Mar 14, 1995
- Apple Computer, Inc.
- Lawrence F. Heyl
- H03 - BASIC ELECTRONIC CIRCUITRY