Proposed optoelectronic tachometer determines speed of rotation of shaft by measuring fluctuations in intensity of light reflected from notches on shaft. Dual fiber-optic sensor imparts insensitivity to displacements of shaft.
Intensity-Modulated Fiber-Optic Tachometer
NASA Tech Briefs ; 16 , 6
1992-06-01
Miscellaneous
No indication
English
NTIS | 1971
|Engineering Index Backfile | 1962
|Automotive engineering | 2011
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