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.:

US 6381517 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 30, 2002

Filed:

Feb. 01, 2001
Applicant:
Inventors:

David J. Butka, Tucson, AZ (US);

Raymond Yardy, Tucson, AZ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 1/904 ;
U.S. Cl.
CPC ...
G05B 1/904 ;
Abstract

An automated data storage system which comprises one or more robotic accessors movably disposed therein, each such accessor including a revolving memory buffer and a velocity control program, wherein the velocity control program stores operational data regarding the gripping and pivot mechanisms disposed on the accessor. A method to diagnose the cause of an accessor failure by downloading and analyzing the operational data stored on the defective accessor's revolving memory buffer.


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