Douglas D. Hall

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Voice modulation recognition in a radio-to-SIP adapter
- Patent number 8,090,575
- Issue date Jan 3, 2012
- JPS Communications, Inc.
- Douglas Hall
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Portable interconnection system for incompatible audio communicatio...
- Patent number 7,436,951
- Issue date Oct 14, 2008
- JPS Communications, Inc.
- Peter W. Pflasterer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SQUELCH BREAK SIGNALING FOR SIP DEVICE
- Publication number 20080034100
- Publication date Feb 7, 2008
- Douglas Hall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOICE MODULATION RECOGNITION IN A RADIO-TO-SIP ADAPTER
- Publication number 20080033719
- Publication date Feb 7, 2008
- Douglas Hall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable interconnection system for incompatible audio communicatio...
- Publication number 20050195969
- Publication date Sep 8, 2005
- Peter W. Pflasterer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE