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:
Dec. 28, 2010
Filed:
Feb. 01, 2008
Kenji Sakurai, Hitachi, JP;
Hiroyuki Hasegawa, Hitachi, JP;
Tomoyuki Utsumi, Hitachi, JP;
Shoichi Ohozeki, Hitachi, JP;
Daisuke Maeda, Hitachi, JP;
Mitsuhiro Mishima, Tokai, JP;
Kenji Sakurai, Hitachi, JP;
Hiroyuki Hasegawa, Hitachi, JP;
Tomoyuki Utsumi, Hitachi, JP;
Shoichi Ohozeki, Hitachi, JP;
Daisuke Maeda, Hitachi, JP;
Mitsuhiro Mishima, Tokai, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Information & Control Solutions, Ltd., Ibaraki, JP;
Abstract
In order to prevent a short circuit of top and bottom arms of a motor driving IC when noise is added to six control signals for controlling six switching elements, there is provided a semiconductor device for driving a motor, being sealed with resin as one package and comprising: six switching elements for driving a three-phase motor; three output terminals for outputting voltages to the three-phase motor; at least one driving circuit for driving the six switching elements; three control signal input terminals; and a function) of generating six control signals for control of the six switching elements based on three control signals inputted through the three control signal input terminals.