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. 31, 2013
Filed:
Dec. 11, 2009
Ryuji Kan, Kawasaki, JP;
Ryuji Kan, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A processing apparatus includes: first and second register files, the latter holding a part of data in the former; an operation unit to operate on data in the second register file and to output data; an instruction unit to issue a write instruction to write, to both register files, the output data and an error detection code for it, and first and second occurrence instructions; a first control unit to issue a first generation instruction when receiving the write instruction and the first occurrence instructions; and a first generation unit to generate a first simulated fault data to output it to the first register file when receiving the first generation instruction, and to output the output data and the error detection code to the first register file in absence of the first generation instruction. Similar second control and generation units are also provided mutatis mutandis.