Electric power conversion systems – Current conversion – Using semiconductor-type converter
Reexamination Certificate
2008-09-02
2008-09-02
Patel, Rajnikant B. (Department: 2838)
Electric power conversion systems
Current conversion
Using semiconductor-type converter
C363S098000, C315S291000
Reexamination Certificate
active
11212487
ABSTRACT:
Control methods and apparatus are disclosed for operating an inverter at resonant mode, where the inverter adapts its frequency to the resonant tank characteristics before a lamp is struck, and operates at fixed frequency after the lamp is struck. Disclosed embodiments combine the advantages of operation in fixed mode as well as the variable mode.
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Chen Wei
Meng David
Yao Kaiwei
Lu Zhou
Monolithic Power Systems, Inc.
Patel Rajnikant B.
Perkins Coie LLP
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