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Inductive transmission of electric energy
   
Document Number
US Patent 7397679
Issued Date
July 8, 2008
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Inventors
Bergk; Gunther (Niedernhausen,DE)
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Abstract
An inductive electric energy transmission circuit includes: an oscillating circuit; a push-pull circuit including a first switching transistor and a second switching transistor that are configured to alternate a current flow through the oscillating circuit. The circuit arrangement also includes, a control circuit including first and second control transistors configured to control the first and second switching transistors; and a frequency generator configured to generate an output signal, wherein the output signal is adapted to drive the control transistors.
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Number of Claims:
21
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Owner
Braun GmbH (Kronberg,DE)
Published
July 8, 2008
Application Number
10/566,687
Filed
July 13, 2004
US Classification
363/131   315/224 315/307
Int'l Classification
H02M   7/537   (20060101)  
Attorney/Law Firm
Priority Data
Aug 08, 2003 [DE] 103 36 435
USPTO Field of Search
363/131   363/132   363/133   363/134   363/49   363/91   363/25   363/78   363/41   363/131   363/132   363/133   363/134   363/86.89   363/95   315/224   315/247   315/307   315/260   315/205   315/219   307/252   307/255   323/267   323/289   323/265   323/266  
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