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. 06, 2011
Filed:
Oct. 10, 2008
Sergio Morini, Pavia, IT;
Marco Giandalia, Castronuovo Di Sicillia, IT;
David Respigo, Pavia, IT;
Stefano Ruzza, Mede, IT;
Massimo Grasso, Trivolzio, IT;
Sergio Morini, Pavia, IT;
Marco Giandalia, Castronuovo Di Sicillia, IT;
David Respigo, Pavia, IT;
Stefano Ruzza, Mede, IT;
Massimo Grasso, Trivolzio, IT;
International Rectifier Corporation, El Segundo, CA (US);
Abstract
An integrated ground fault detection circuit in accordance with an embodiment of the present application includes a shunt resistor provided on a positive rail of a DC bus, a high voltage pocket including a sensory circuit connected to the shunt resistor and operable to detect a fault condition indicating a short circuit and a transmitter section operable to continuously transmit a fault condition signal indicating the fault condition and a low voltage pocket including a receiver operable to receive the fault condition signal from the sensory circuit and a logic unit, connected to the receiver, and operable to provide a fault output signal indicating the presence of a fault condition based on the fault condition signal.