Patent ID: 7887195
Filing Date: 2011-02-15
Classification: G03B,H04N

Abstract:
1. A projection display that is adjustable in six degrees of freedom, comprising: a projection unit projecting an image on a screen; an image processor configured to adjust an image display area where said image is projected on said screen by processing an image signal to be input to said projection unit; and an image-outline adjusting mechanism supporting said projection unit and configured to adjust said image display area by positioning said projection unit, wherein the configuration of said image-outline adjusting mechanism is operationally limited to positioning said projection unit according to no more than five of said six degrees of freedom, and said image processor is configured to adjust said image display area in the rest of said six degrees of freedom that cannot be achieved by operation of said image-outline adjusting mechanism, said rest of said six degrees of freedom including one translational degree of freedom.