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:
May. 16, 2006
Filed:
Mar. 31, 2003
Applicants:
Katsuyuki Uematsu, Nagano, JP;
Mutsuo Nishikawa, Nagano, JP;
Katsumichi Ueyanagi, Nagano, JP;
Inventors:
Assignee:
Fuji Electric Co., Ltd., Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A broken-wire-failure detection circuit connected to a higher circuit includes a power line, a signal line, a ground line, and at least one of the first resistance device connected between the power line and the signal line and the second resistance device connected between the signal line and the ground line. The broken-wire-failure detection circuit also includes the third resistance device connected between the power line and the ground line, and a signal output circuit connected to the second power line, the second signal line and the second ground line.