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:
Jun. 14, 1994
Filed:
Jul. 22, 1993
Applicant:
Inventors:
Terumi Sawase, Sayama, JP;
Kouki Noguchi, Kokubunji, JP;
Hideo Nakamura, Nishitama, JP;
Yasushi Akao, Kokubunji, JP;
Shiro Baba, Tokorozawa, JP;
Yoshimune Hagiwara, Hachioji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395800 ; 364D / ; 3642328 ; 3642446 ; 3642449 ;
Abstract
A logic circuit built in a single-chip microprocessor is configured of electrically-programmable memory elements, and information is written into the memory elements from outside, whereby the logic circuit having any desired logical functions can be constructed. The writing operation of the memory elements can be executed in a short time, and a user can obtain the single-chip microprocessor having hardware of peculiar prescribed specifications, in a short period.