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Device for detecting the presence or absence of an object in a medium vacuum collection, particularly for treating electronic components and No electrical
Device for detecting the presence or absence of an object in a medium vacuum collection, particularly for treating electronic components and No electrical
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机译:用于在中等真空度中检测物体存在或不存在的设备,特别是用于处理电子组件且不带电的设备
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摘要
A method of and a device for sensing the presence or absence of an electrical or electronic component at the end of a vacuum pick-up means. In the absence of a component, the air flow produced by the vacuum is converted into an acoustic signal which indicates the absence of the component.
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