Electric lamp and discharge devices: systems – Plural load device systems
Reexamination Certificate
2008-04-01
2008-04-01
Vo, Tuyet (Department: 2821)
Electric lamp and discharge devices: systems
Plural load device systems
C315S274000, C315S276000, C315S324000, C315S291000
Reexamination Certificate
active
07352140
ABSTRACT:
A master-slave control architecture for inverters includes a master control circuit board which has a master control unit to output a plurality of frequency signals of the same phase and same frequency so that driving units on a plurality of separated slave control circuit boards on the rear end can be driven synchronously by the frequency signals to control electricity input of transformation units to transform voltage for outputting. Thereby the frequency of the driving electricity of the discharge lamps can be synchronized to maintain uniform luminance.
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Cheng Ying-Nan
Chou Chin-Wen
Chung Chin-Biau
Wu Kuang-Ming
Birch & Stewart Kolasch & Birch, LLP
Vo Tuyet
Zippy Technology Corp.
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