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公开(公告)号:US4227308A
公开(公告)日:1980-10-14
申请号:US942743
申请日:1978-09-15
摘要: The present invention consists of a measuring device which employs a mechanical-electrical interface mechanism which can be used to measure the depth of various materials. The invention includes a penetrating means which is in electrical contact with circuitry that includes a LED display.
摘要翻译: 本发明包括一种测量装置,其采用可用于测量各种材料深度的机电接口机构。 本发明包括与包括LED显示器的电路电接触的穿透装置。