FIELD: measuring equipment. SUBSTANCE: the converter uses a photoelectric cell connected to the end of a section of a long line broken at the end, self-sustained oscillator, whose input is connected to the beginning of the section of the long line, and the output is connected to the input of an indicator. EFFECT: improved design. 1 dwg
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Authors
Dates
1997-09-27—Published
1995-10-16—Filed