The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2005
Filed:
Sep. 05, 2002
Takuya Ishii, Suita, JP;
Nobuyoshi Nagagata, Yawata, JP;
Hiroshi Saito, Tokyo, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In order to supply controlled DC voltages to a plurality of loads at high efficiency by using smaller number of components, a multiple output DC-DC converter in accordance with the present invention comprises a first main switch, one terminal of which is connected to the negative electrode of an input DC power source, a first rectifying meansand a first smoothing meansconnected to the other terminal of the first main switch, a second main switch, one terminal of which is connected to the positive terminal of the input DC power source, a second rectifying meansand a second smoothing meansconnected to the other terminal of the second main switch, an inductorconnected between the other terminal of the first main switchand the other terminal of the second main switch, and a control circuitfor driving the respective switches at predetermined ON/OFF period ratios.