Measuring device

Details Measuring device Measuring device

2011-08-09

2011-08-09

Punnoose, Roy (Department: 2886)

Optics: measuring and testing

Velocity or velocity/height measuring

C356S028000

Reexamination Certificate

active

07995193

ABSTRACT:
A measuring device includes a VCSEL of a first-order or high-order single mode emitting laser beams, a driving part configured to drive the VCSEL, a detecting part configured to detect an electric signal relating to feedback lights generated when laser beams are projected onto an object, and a calculating part configured to identify a direction of movement of the object on the basis of the electric signal detected by the detecting part.

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IEICE Trans. Electron., vol. E85-C, No. 4, Apr. 2002, pp. 995-1000.

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