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:
Aug. 08, 1989
Filed:
Jul. 17, 1987
Tokyo Keike Co., Ltd., Tokyo, JP;
Abstract
A marine autopilot apparatus having a microcomputer for controlling a rudder control loop formed of at least a rudder servo amplifier, and a power unit, for detecting an abnormality concerning the steering of a rudder and for indicating an alarm concerning the detected abnormality and the like. A representing alarm indicator lamp classifying the abnormalities into a single or plurality of groups and for collectively indicating the abnormalities in the form of the single or plurality of groups. A general-purpose indicator for indicating various data at least concerning the steering, set values and respective contents of the abnormalities detected and a rudder control collective alarm circuit for indicating the occurrence of the abnormality in the rudder control loop. The rudder control collective alarm circuit is driven when at least one of a plurality of alarm points within the rudder control loop, and the power unit exhibits an abnormal condition.