Kabushiki Kaisha Komatsu Seisakusho

Michio Hara

Michio Okamoto

Shigeru Izawa

An arrangement for indicating a relative azimuth between two objects remote from each other, such as a control station and a mobile unit remotely controlled by the station, on which are respectively mounted first and second synchronous transmitters for generating and transmitting their respective signals corresponding respectively to true azimuths of the station and the unit. The control station is further provided with a relative azimuth indicating device including outer stational and inner rotatable dials, a rotatable indicator, first and second synchronous receivers, each having means for effecting rotation by receiving one of the signals corresponding thereto, and means for transmitting the respective rotations of the receivers to the inner dial and the indicator, respectively. Thus, not only the relative azimuth between the control station and the mobile unit but also their respective true azimuths are simultaneously read on the device at a glance by a controller in the correlation of the outer and inner dials and the indicator.

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Tokyo, Japan

Michio Hara