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:
Apr. 02, 1996
Filed:
Feb. 05, 1992
Applicant:
Inventors:
Shigeki Morinaga, Hitachi, JP;
Norio Nakagawa, Kodaira, JP;
Mitsuru Watabe, Katsuta, JP;
Mamoru Ohba, Hitachi, JP;
Hiroyuki Kida, Hitachi, JP;
Hisashi Kaziwara, Hitachi, JP;
Takeshi Asai, Hitachi, JP;
Junichi Tatezaki, Kodaira, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Engineering Co., Ltd., Hitachi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395800 ; 395375 ; 3642426 ; 3642408 ; 3642318 ;
Abstract
The interface portion of a coprocessor is provided with a FIFO (First-In First-Out) buffer and means for accepting instructions in succession. Pipeline control of the instructions becomes possible in this way, and protocol means associated with a microprocessor is also provided.