发明名称 Measuring device
摘要 A parallel suspension reed type measuring device has its internal components maintained in a weightless condition by a bouyant fluid. A pair of vertical reeds and an amplification arm mechanically amplify the movement which is imparted to a measuring spindle in response to a quantity being measured. The measured quantity is magnified optically by a lens system and is projected onto a screen.
申请公布号 US4254553(A) 申请公布日期 1981.03.10
申请号 US19790013241 申请日期 1979.02.21
申请人 JOHNSON, ANDREW C. 发明人 JOHNSON, ANDREW C.
分类号 G01B3/00;G01B3/22;G01B5/00;(IPC1-7):G01B3/22 主分类号 G01B3/00
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