Ralph E. Hyde

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Sant Clarita, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Inverted dual coil transducer
- Patent number 9,445,201
- Issue date Sep 13, 2016
- Harman International Industries, Inc.
- Ralph Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Extended multiple gap motors for electromagnetic transducers
- Patent number 8,249,291
- Issue date Aug 21, 2012
- Harman International Industries, Incorporated
- Ralph E. Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Self-cooling electromagnetic transducer
- Patent number 8,014,555
- Issue date Sep 6, 2011
- Harman International Industries, Incorporated
- Ralph E. Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shorting rings in dual-coil dual-gap loudspeaker drivers
- Patent number 6,847,726
- Issue date Jan 25, 2005
- Harman International Industries, Incorporated
- Douglas J. Button
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shorting rings in dual-coil dual-gap loudspeaker drivers
- Patent number 6,768,806
- Issue date Jul 27, 2004
- Harman International Industries, Incorporated
- Douglas J. Button
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INVERTED DUAL COIL TRANSDUCER
- Publication number 20170055084
- Publication date Feb 23, 2017
- HARMAN INTERNATIONAL INDUSTRIES, INC.
- Ralph Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INVERTED DUAL COIL TRANSDUCER
- Publication number 20150139478
- Publication date May 21, 2015
- HARMAN INTERNATIONAL INDUSTRIES, INC.
- Ralph Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Self-cooling electromagnetic transducer
- Publication number 20070237351
- Publication date Oct 11, 2007
- Ralph E. Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Extended multiple gap motors for electromagnetic transducers
- Publication number 20070230737
- Publication date Oct 4, 2007
- Ralph E. Hyde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Shorting rings in dual-coil dual-gap loudspeaker drivers
- Publication number 20030190052
- Publication date Oct 9, 2003
- JBL Incorporated
- Douglas J. Button
- H04 - ELECTRIC COMMUNICATION TECHNIQUE