Electrical transmission or interconnection systems – Plural supply circuits or sources
Patent
1995-08-22
1997-03-11
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Plural supply circuits or sources
395282, 395283, 361633, 361636, 361686, 361748, 361749, 361791, H02J 312
Patent
active
056104499
ABSTRACT:
A compact, thin-type, noise-tolerant and highly reliable electric power unit includes an input portion through which a predetermined voltage is applied, a plurality of power circuits for generating a plurality of different voltages from the predetermined voltage applied to said input portion, an output portion for outputting the plurality of different voltages generated in the plurality of power circuits, a control unit having a function to stabilize the plurality of different output voltages, and an insulated substrate which supports the input portion, the plurality of power circuits, the output portion and the control unit, and further has a printed wiring pattern for electrically coupling the constituent components of the electric power unit. By disposing each group of components which compose each of plurality of power circuits into a predetermined area corresponding to each output voltage, or by arranging the components such that the height of each of the plurality of constituent components for the power circuits is adapted to become approximately the same as or less than the height of the transformer, a compact and thin-type elective power unit which is noise-tolerant and highly reliable is achieved.
REFERENCES:
patent: 5272584 (1993-12-01), Austruy et al.
patent: 5383081 (1995-01-01), Nishikawa
patent: 5473499 (1995-12-01), Weir
patent: 5502617 (1996-03-01), Tsukada et al.
patent: 5519252 (1996-05-01), Soyano et al.
Thin Type DC/DC Converter using wire Xformer, 25th Annual IEE Power Conf. pp. 1330-1334 Jun. 20, 1994.
Joraku Masami
Kanouda Akihiko
Nakamura Tetsunosuke
Takahashi Tadashi
Takizawa Kazuhiro
Hitachi , Ltd.
Hitachi Media Electronics Co. Ltd.
Paladini Albert W.
Shoop Jr. William M.
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