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:
Dec. 25, 2018
Filed:
Sep. 18, 2014
Hitachi, Ltd., Tokyo, JP;
Katsuto Sato, Tokyo, JP;
Yuki Kondoh, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A computer coupled to an external apparatus via an I/O device comprising, a control unit configured to assign a command identifier to a command issued to the external apparatus, wherein the I/O device includes a collision detection unit defined a partial command identifier space which is a subspace of a command identifier space that is a set of a plurality of command identifiers, and wherein the collision detection unit is configured to: shift an arrangement of the partial command identifier space within the command identifier space; and determine whether or not the assigned command identifier collides with another command identifier that is in use.