電気式指圧計の行程変換器について

概要

論文の詳細を見る
Electric indicator can be used to take a type of indicator diagram in which a pressure record is obtained on a base of piston displacement. This can be done quite well by means of piston displacement-measuring device. Our device consiats of a variable capacitance-type, cylindrical condenser unit with movable center electrode and suitable electric circuits. Instrumentation used in this study consits of (a) a variable capacitance-type pressure pickup. (b) a variable capacitance-type piston displacement pickup mounted to the end of the dynamometer shaft, and (c) a oscilloscope.
山形大学の論文
1959-02-28