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NATIONAL ACQUISITION SUB, INC
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SANTA CLARA, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Acoustic headphone having a single interface to receive audio signa...
Patent number
8,781,147
Issue date
Jul 15, 2014
National Acquisition Sub, Inc.
Horia Giuroiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Input signal mismatch compensation system
Patent number
8,515,093
Issue date
Aug 20, 2013
National Acquisition Sub, Inc.
Sanjay M. Bhandari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for temperature compensation of filter circuits
Patent number
8,482,339
Issue date
Jul 9, 2013
National Acquisition Sub, Inc.
Horia Giuroiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Testing and calibration for audio processing system with noise canc...
Patent number
8,452,019
Issue date
May 28, 2013
National Acquisition Sub, Inc.
Evgeny Fomin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Small-footprint microphone module with signal processing functionality
Patent number
8,059,849
Issue date
Nov 15, 2011
National Acquisition Sub, Inc.
Hans W. Klein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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last 30 trademarks