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:
May. 12, 1992
Filed:
Apr. 07, 1989
Applicant:
Inventor:
Toshiro Matsuda, Zama, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395575 ; 371 12 ; 371 62 ;
Abstract
A monitoring apparatus for a control system including a microcomputer which can output a microcomputer reset signal only once or repeatedly if a program run pulse signal outputted from the microcomputer stops oscillating for longer than a first predetermined time interval T.sub.1 and an additional trouble detection command signal if the program run pulse signal stops oscillating for longer than a second predetermined time interval T.sub.2 which is longer than time interval T.sub.1. In response to this trouble detection command signal, an alarm lamp is lit up and/or the control system is disabled.