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. 09, 2017
Filed:
Jun. 24, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Takashi Kidamura, Kahoku, JP;
Kuniaki Fujii, Kahoku, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/16 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1604 (2013.01); G06F 11/1612 (2013.01); G06F 11/1679 (2013.01);
Abstract
A controller module (CM) includes buffers that feed back signals output using respective signal lines used for mutual communication with other CM, and a first detecting unit and a second detecting unit that detect abnormality such that the levels of the signals output using the signal lines do not change from respective specific levels when each level of the fed-back signals does not coincide with an expected level being a level previously determined according to a predetermined timing.