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:
Jul. 19, 2005
Filed:
Mar. 26, 2002
Makoto Chiba, Kawasaki, JP;
Makoto Chiba, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A connection control circuit having the function of controlling connection and disconnection of an information storage apparatus to and from a transmission line is constructed such that it uses a comparator to determine whether or not the level of operating clock signal output from a controller of the information storage apparatus is within a predetermined range, and if it is detected that the level of the operating clock signal departs from the predetermined range, the connection control circuit outputs a control signal to a by-pass circuit to disconnect the information storage apparatus from the transmission line loop. This enables the information storage apparatus to be disconnected from the loop even if the controller of the information storage apparatus does not function normally due to an abnormality of the clock or an abnormality of the power supply.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile