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:
Mar. 03, 2015
Filed:
Mar. 31, 2011
Tetsuro Tateyama, Hitachinaka, JP;
Seiji Funaba, Hitachinaka, JP;
Yasuo Noto, Hitachinaka, JP;
Koichi Yahata, Hitachinaka, JP;
Hiroki Shimano, Hitachinaka, JP;
Tetsuro Tateyama, Hitachinaka, JP;
Seiji Funaba, Hitachinaka, JP;
Yasuo Noto, Hitachinaka, JP;
Koichi Yahata, Hitachinaka, JP;
Hiroki Shimano, Hitachinaka, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
An inverter device includes an inverter circuit, a control circuit, a first drive circuit, a second drive circuit, first and second photocouplers, and a signal switching part. The signal switching part directly transmits the first and second signals outputted from the first photocoupler and the second photocoupler to the corresponding first and second drive circuits respectively when at least one of the first and second signals is an OFF command.