Device of detecting light reflecting speed and direction,...

Details Device of detecting light reflecting speed and direction,... Device of detecting light reflecting speed and direction,...

2011-01-11

2011-01-11

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

C356S028500

Reexamination Certificate

active

07869008

ABSTRACT:
A device of detecting light reflecting speed and directions includes a light source, a light-guided pulley, a reflector, photo detectors, barriers, a processor and a display unit. The light source generates incident light, the light-guided pulley is located at one side of the light source, and includes a support moving along the pulley track. The reflector is installed on the support to reflect the incident light. The photo detectors detect the incident light reflected by the reflector. The barriers are located at two sides of the light source and make the incident light to be a light beam and travel in straight line direction. The barriers are respectively installed between said photo detectors to isolate the incident light. The processor receives the light signals transmitted from photo detectors and processes the light reflecting speed and directions according to the light signals. The processed result is displayed on the display unit.

REFERENCES:
patent: 6491420 (2002-12-01), Scifres
patent: 2008/0200274 (2008-08-01), Haag et al.

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