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This design has a Fresnel lens arrays for realizing free track surface, have avoided automatic tracking concentrator devices and high failure rate as a result of high costs.

This article has designed one kind of realization exempts the track the Fresnel lens array the space-like surface, has avoided the high failure rate and the high cost which in the condenser the automatic tracking unit causes.

This article was designed for a hands-free tracking of a Fresnel lens array of curved space and to avoid the Spot Light is automatically tracking device in the high failure rates and high cost.

This design has a Fresnel lens arrays for realizing free track surface, have avoided automatic tracking concentrator devices and high failure rate as a result of high costs.