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:
Feb. 18, 2003
Filed:
Dec. 21, 1999
Rex N. Kho, Burlington, VT (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A device and method are provided for indicating a status of sixty-six input signals. The device may include a plurality of pre-sum circuits that receive the sixty-six input signals. Each pre-sum circuit may output two pre-sum output signals. The device may also include a plurality of first stage circuits. Each first stage circuit may receive two pre-sum output signals and output two first stage output signals. The device may also include a plurality of second stage circuits adapted to receive the first stage output signals. Each of the second stage circuits may output second stage output signals. A final stage circuit may be adapted to receive the second stage output signals and output two final stage output signals. The two final stage output signals represents the status of the sixty-six input signals such as whether at least three of the input lines have failed.