Dry compass - Kanshiki compass

Japanese: 乾式コンパス - かんしきこんぱす
Dry compass - Kanshiki compass

...Depending on the structure, compasses are classified as dry or liquid type, but recently, compasses using magnetic detection sensors have also been invented. Dry compasses have a structure in which an extremely lightweight compass card (compass scale) is placed on top of the axis needle in the center of the compass bowl. Since strong magnets cannot be used due to weight restrictions, they have low sensitivity and poor vibration resistance, so they are rarely used nowadays.

*Some of the terminology that refers to "dry compass" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…構造上から,乾式と液体式に分類されるが,最近では磁気検出センサーを使用したコンパスも考案されている。乾式コンパス(ドライコンパス)はきわめて軽量に作られたコンパスカード(方位目盛板)をコンパスボウル中央の軸針の上にのせた構造をしている。磁力の強い磁石は重さの制限から使えないので感度が弱く,また耐振性に劣るために現在ではほとんど使われていない。…

※「乾式コンパス」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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