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:
Oct. 21, 2008
Filed:
May. 12, 2005
Kenji Nojima, Gunma, JP;
Shigeharu Sasaki, Gunma, JP;
Kenji Nojima, Gunma, JP;
Shigeharu Sasaki, Gunma, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
An object is to provide an inverter device capable of detecting the welding of a switching device in early stages, and in summary, the inverter device is equipped with a parallel circuit of a charging circuit and a switch connected between a battery and an inverter module, and comprises a capacitor charged from the battery via the charging circuit; a resistor to discharge the capacitor; a serial circuit including resistors to detect a voltage after the switch; and a diode connected between a connection point of the serial circuit including the resistors on a positive line and a connection point of the capacitor, and directed forward to the capacitor side.