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. 28, 2004
Filed:
Apr. 26, 2002
Applicant:
Inventors:
Michael J. Rieschl, Cottage Grove, MN (US);
Carl R. Crandall, Hugo, MN (US);
Thomas N. Devries, Apple Valley, MN (US);
Haeng D. Park, St. Paul, MN (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/455 ; G06F 1/300 ;
U.S. Cl.
CPC ...
G06F 9/455 ; G06F 1/300 ;
Abstract
A method of and apparatus for efficiently and effectively coupling a newly designed peripheral device to a legacy data processing system. The approach utilizes emulation of a SCSI tape device by a SCSI DVD device. Through device emulation, system-wide modifications are minimized.