Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2005-03-24
2009-12-08
Hess, Daniel A (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
Reexamination Certificate
active
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.
Williams Forrest L.
Winkler Bret D.
Evans & Sutherland Computer Corporation
Hess Daniel A
Thorpe North & Western LLP
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