发明名称 |
DC-AC converter circuit using resonating multi-layer piezoelectric transformer |
摘要 |
DC-AC voltage transformation circuits are provided which use a resonating piezoelectric transformer along with complementary circuit components, to efficiently convert a DC first voltage to a transformer-output AC second voltage. In the preferred embodiment of the invention, A High Displacement Piezoelectric (HDP) transformer achieves sufficiently high voltage output to "cold fire" a gas discharge lamp. The disclosed circuit may be modified using conventional electrical sub-circuitry to pre-heat the cathodes of the lamp. The transformer circuit may be a "self resonating" circuit which relies on an initial pulse from turning on the DC power supply to cause the transformer to begin resonating. In a modified voltage converter circuit, the circuit is not "self resonating" and instead has a phase shift oscillator sub-circuit that provides small pulse signals to start the transformer resonating when the circuit is initially turned on.
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申请公布号 |
US6052300(A) |
申请公布日期 |
2000.04.18 |
申请号 |
US19990318967 |
申请日期 |
1999.05.26 |
申请人 |
FACE INTERNATIONAL CORPORATION |
发明人 |
BISHOP, RICHARD PATTEN;BOYD, CLARK DAVIS |
分类号 |
H01L41/107;H02M7/537;H05B41/282;(IPC1-7):H02M7/537;H01L41/08 |
主分类号 |
H01L41/107 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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