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.

Date of Patent:
Mar. 28, 1989

Filed:

Jun. 29, 1987
Applicant:
Inventors:

Darrell L Wilburn, Saratoga, CA (US);

Darryl R Plauck, Campbell, CA (US);

Assignee:

Step Engineering, Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
377 26 ; 377 16 ; 36442404 ;
Abstract

Disclosed is a mobile incident logger for monitoring an on-board, automotive, computer and signal levels developed by analog and digital sensors, the logger employing a coverage monitor, which records which memory locations are accessed by the computer; a cycle tag counting unit, which counts bus cycles of the computer; a discriminator, which detects the occurrence of incidents the logger is to record; a trace memory unit, which stores bus states of the computer; a trace memory unit, which stores memory variables of the computer; a discriminator, which detects the occurrence of some of the incidents the logger is to record; and a trace memory unit, which stores the sensor signals.


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