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. 31, 2001
Filed:
Dec. 10, 1998
Kathryn Ann McDonald, Yorba Linda, CA (US);
Ralph Ernest Marsh, Canyon, CA (US);
Willis Lloyd Jacobs, Mission Viejo, CA (US);
Unisys Corporation, Blue Bell, PA (US);
Abstract
In order to overcome the situation in magnetic tape drives, where an unload command would wipe-out the tape statistics so that no data would then be available which would indicate errors and other tape defects, there has been developed a system and method which permits the retrieval and storage of tape statistics in a Sumlog file. Specialized algorithmic sequences are used to initiate a Rewind/Unload tape request that invokes a COLLECT_TAPE_STATS procedure, (or else to an error handling procedure as a result of a counter overflow condition) which calls a COLLECT_LOG_SENSE_DATA procedure which then collects tape statistics for deposit into a recording medium.