US Patent 7277555 Electroacoustic transducer with built in transducer circuit
Patent 7277555 was granted and assigned to NXP LPC on October, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Erich Klein0
Michael Schoeffmann0
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Article (+339 characters)
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Patent abstract
In an electroacoustic transducer (1), an annular shaped magnet system (14) is provided, enclosing an inner space (22), in which inner space (22) an integrated circuit (31) is accommodated, with the aid of which integrated circuit (31) an electrical signal to be sent to a moving coil (29) of transducer (1) can be amplified.
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Official Website
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US Patent 07277555 Electroacoustic transducer with built in transducer circuit US Patent 7277555 Electroacoustic transducer with built in transducer circuit
Infobox
Patent Number
072775550
Patent Number
72775550
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
072775550
Date of Patent
October 2, 2007
0Patent Application Number
105234350
Date Filed
July 18, 2003
0Official Website
Patent Primary Examiner
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US Patent 07277555 Electroacoustic transducer with built in transducer circuit
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07277555
Date of patent
October 2, 2007
Patent application number
10523435
Date Filed
July 18, 2003
Patent primary examiner
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