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Daniel Karlsson
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Stockholm, SE
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last 30 patents
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Patent Grant
Control and protection of loudspeakers
Patent number
9,736,581
Issue date
Aug 15, 2017
Cirrus Logic International Semiconductor Ltd.
Pär Gunnars Risberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
CONTROL AND PROTECTION OF LOUDSPEAKERS
Publication number
20170318388
Publication date
Nov 2, 2017
Cirrus Logic International Semiconductor Ltd.
Pär Gunnars Risberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL AND PROTECTION OF LOUDSPEAKERS
Publication number
20150304772
Publication date
Oct 22, 2015
ACTIWAVE AB
Pär Gunnars Risberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE