Portable dual-purpose instrument for height measurement and speed measurement and using method of portable dual-purpose instrument
The invention discloses a portable dual-purpose instrument for height measurement and speed measurement and a using method of the portable dual-purpose instrument. The dual-purpose instrument comprises a first rotatable objective lens barrel, a second rotatable objective lens barrel, a display instr...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a portable dual-purpose instrument for height measurement and speed measurement and a using method of the portable dual-purpose instrument. The dual-purpose instrument comprises a first rotatable objective lens barrel, a second rotatable objective lens barrel, a display instrument and a microcomputer, the first rotatable objective lens barrel and the second rotatable objective lens barrel are respectively fixed on the left and right sides of the back of the display instrument; photosensitive elements are arranged in two rotatable objective lens cones; the microcomputeris arranged in the display instrument, the photosensitive element is connected with the microcomputer, the microcomputer is connected with an observation window in the display instrument, the using method of the dual-purpose instrument is provided, the dual-purpose instrument achieves the dual functions of height measurement and speed measurement, and the dual-purpose instrument has the advantagesof being convenient to ca |
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