Shuttering system for scanning projectors

Registers – Coded record sensors – Particular sensor structure

Reexamination Certificate

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Reexamination Certificate

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07628327

ABSTRACT:
A shuttering system for a scanning projector having a laser source, a grating light valve light modulator, and a light steering scanner includes a feedback system interconnecting the scanner with the light modulator. The feedback system is configured to deactivate the light modulator in case of scanner malfunction, so as to redirect laser light away from the scanner.

REFERENCES:
patent: 4571627 (1986-02-01), Stempeck
patent: 6457834 (2002-10-01), Cotton et al.
patent: 6480634 (2002-11-01), Corrigan
patent: 6650354 (2003-11-01), Morizono et al.

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