Importance

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Abstract

A windshield display system and method of operating the same configured to detect an obstruction of light projected by the system. A light source emits a light beam that reflects off a scanning mirror to direct the light beam to a desired on a windshield. The system includes a light detector configured to detect emitted light generated in response to the light beam illuminating the desired location. The system is arranged so the light beam and the emitted light that is detected travel essentially the same light path between the scanning mirror and the windshield. As such, an obstruction of the light path is readily detected based only on the intensity of the emitted light detected by the light detector.

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First Claim