Andrea Simpson

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Yarraville, AU

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Patents Grantslast 30 patents

Information Patent Grant
Audio amplification apparatus
- Patent number 8,351,626
- Issue date Jan 8, 2013
- Phonak AG
- Adam Hersbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback suppression in sound signal processing using frequency tra...
- Patent number 7,778,426
- Issue date Aug 17, 2010
- Phonak AG
- Hugh McDermott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio amplification apparatus
- Patent number 7,756,276
- Issue date Jul 13, 2010
- Phonak AG
- Adam Hersbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AUDIO AMPLIFICATION APPARATUS
- Publication number 20100278356
- Publication date Nov 4, 2010
- PHONAK AG
- Adam Hersbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio amplification apparatus
- Publication number 20050226427
- Publication date Oct 13, 2005
- Adam Hersbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEEDBACK SUPPRESSION IN SOUND SIGNAL PROCESSING USING FREQUENCY TRA...
- Publication number 20050094827
- Publication date May 5, 2005
- PHONAK AG
- Hugh McDermott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE