Kabushikikaisha Tokyo Keiki

Tokyo Keike Co., Ltd.

Toshio Miyayama

Isao Masuzawa

Kanshi Yamamoto

Mitsuo Nakayama

Nakayasu Hirono

Mitsuo Watanabe

Hidemitsu Yamada

Koichi Nishimura

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.

Marine autopilot apparatus

A marine automatic steering apparatus for setting a desired course in a digital fashion is disclosed, in which a course deviation which is a difference between a set course and a ship's heading is indicated in an analog manner on a course deviation indicator whose zero point is set at the position corresponding to the lubber line of a steering repeater card.

Marine automatic steering apparatus

A marine automatic steering apparatus in which a part or whole of its control circuit is doubled as dual steering control sections same in construction includes a non-volatile memory controlled by either of the dual steering control sections and in and from which data can be written and read out.

Growing community of inventors

Kuroiso, Japan

Toshio Miyayama