US Patent 7242089 Miniature silicon condenser microphone
Patent 7242089 was granted and assigned to Knowles (company) on July, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A silicon condenser microphone package includes a transducer unit, a substrate, and a cover. The substrate includes an upper surface transducer unit is attached to the upper surface of the substrate and overlaps at least a portion of the recess wherein a back volume of the transducer unit is formed between the transducer unit and the substrate. The cover is placed over the transducer unit and either the cover or the substrate includes an aperture.
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US Patent 07242089 Miniature silicon condenser microphone US Patent 7242089 Miniature silicon condenser microphone
Infobox
Patent Number
0724208900
Patent Number
724208900
Edits on 6 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072420890
Date of Patent
July 10, 2007
0Patent Application Number
111120430
Date Filed
April 22, 2005
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072420890
Date of Patent
July 10, 2007
0Patent Application Number
111120430
Date Filed
April 22, 2005
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
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US Patent 07242089 Miniature silicon condenser microphone
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07242089
Date of patent
July 10, 2007
Patent application number
11112043
Date Filed
April 22, 2005
Patent primary examiner
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