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:
Mar. 31, 1992
Filed:
May. 16, 1989
Applicant:
Inventor:
Keiji Namimoto, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ; G06G / ;
U.S. Cl.
CPC ...
395800 ; 364228 ; 3642281 ; 364229 ; 3642291 ; 364230 ; 3642303 ; 364231 ; 3642327 ; 364238 ; 364239 ; 3642393 ; 364280 ; 3642801 ; 3642802 ; 3642803 ; 3642804 ; 364D / ; 364D / ;
Abstract
This data processing system has different kinds of microprocessors, a memory bus, a memory which is connected to the microprocessors through the memory bus, and a control circuit to selectively activate one of the microprocessors. A feature of the control circuit of this data processing system is that it has a selection controller in which a selection data item is set by the active one of the microprocessors and a selector for supplying rest mode signals to the microprocessors, excluding the one microprocessor corresponding to the content of the selection controller.