US Patent 7456685 Class D audio amplifier with PWM and feedback
Patent 7456685 was granted and assigned to Monolithic Power Systems, Inc. on November, 2008 by the United States Patent and Trademark Office.
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Patent abstract
The present invention introduces methods and systems to amplify digital audio signals for driving speakers. First, digital audio signals are converted to PWM audio signals by a liner PWM modulator that is open-loop. Then, PWM audio signals are amplified by a Class D audio amplifier that has at least one feedback loop.
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US Patent 07456685 Class D audio amplifier with PWM and feedback US Patent 7456685 Class D audio amplifier with PWM and feedback
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Patent Number
0745668500
Patent Number
745668500
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074566850
Date of Patent
November 25, 2008
0Patent Application Number
113692510
Date Filed
March 7, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074566850
Date of Patent
November 25, 2008
0Patent Application Number
113692510
Date Filed
March 7, 2006
0Official Website
Patent Primary Examiner
Edits on 14 Jun, 2022
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US Patent 07456685 Class D audio amplifier with PWM and feedback
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07456685
Date of patent
November 25, 2008
Patent application number
11369251
Date Filed
March 7, 2006
Patent primary examiner
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