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Title: Stepdown piezoelectric ceramic autotransformer and its making process = 自耦式压电陶瓷降压变压器及其制备方法
Authors: Chan, Helen L. W. (陳王麗華)
Li, Guorong (李國榮)
Hu, Junhui (胡俊輝)
Choy, Chung-loong (蔡忠龍)
Issue Date: 20-Jul-2005
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 99126441.X
Abstract: The present invention utilizes the electric series-connected structure of input end and output end to make piezoelectric ceramics produce resonance, output low voltage at output end and obtain piezoelectric ceramic transformer which possesses high power conversion efficiency. Said transformer features simple structure, convenient preparation and small device size, suitable for miniature electronic instrument, specially it is used in the miniature D.C-D.C or A.C-A.C converter.
Rights: 专利权人: The Hong Kong Polytechnic University.
Type: Patent
Appears in Collections:Patents of PolyU
AP Patents

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