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    • 24. 发明授权
    • Self-balancing recorder
    • 自平衡记录仪
    • US4091389A
    • 1978-05-23
    • US767517
    • 1977-02-10
    • Hisaya FujitaNobuo KaiedaSetsuo Sato
    • Hisaya FujitaNobuo KaiedaSetsuo Sato
    • G01D3/06G01D9/00G01D9/34G01D11/24G01D15/00G01D15/24G01D15/30G01R13/08
    • G01D9/34G01D11/24G01D15/24G01D15/30G01D9/00G01R13/08
    • A simplified, compact, inexpensive portable self-balancing recorder to be used in the monitoring of data relating to pollution and/or environmental protection. The recorder is about 650 cubic centimeters in volume and weighs about 5 kilograms; it comprises a minimal number of constitutent components and may be operated without certain costly options (e.g. alarms and controls) if desired. The recorder uses printed circuit board circuitry to monitor and process input signals from the measuring points, and these components can conveniently and easily be removed from the recorder for adjustments or replacements. The recorder includes means for adjusting the ink pressure according to recording conditions and provides an inking system with an hermetically sealed pen point to prevent introduction of bubbles into the ink.
    • 一种简化,紧凑,便宜的便携式自平衡记录仪,用于监测与污染和/或环境保护有关的数据。 录音机体积约为650立方厘米,重约5公斤; 它包括最少数量的构件部件,并且如果需要,可以在没有特定昂贵选项(例如报警和控制)的情况下操作。 记录仪使用印刷电路板电路来监测和处理来自测量点的输入信号,并且这些组件可以方便地轻松地从记录仪中取出,以进行调整或更换。 记录器包括用于根据记录条件调节墨水压力的装置,并为油墨系统提供气密密封的笔尖以防止气泡引入墨水中。