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. 09, 2008
Filed:
Feb. 08, 2001
Norihiro Nakatsuhama, Kawasaki, JP;
Yoshihiko Koike, Kawasaki, JP;
Osamu Tago, Kawasaki, JP;
Yukihiro Ozawa, Kawasaki, JP;
Norihiro Nakatsuhama, Kawasaki, JP;
Yoshihiko Koike, Kawasaki, JP;
Osamu Tago, Kawasaki, JP;
Yukihiro Ozawa, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An abnormality detection device detects an abnormality in a communication bus. The abnormality detection device comprises a timer counter connected to the communication bus so as to measure a time during which a signal having a first logical level is transmitted in the communication bus, and a comparator outputting an abnormality detection signal indicating an abnormality in the communication bus when the time measured by the timer counter surpasses a threshold value.