Computer graphics processing and selective visual display system – Plural physical display element control system
Reexamination Certificate
2006-08-29
2006-08-29
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
C345S009000, C345S006000, C345S156000
Reexamination Certificate
active
07098872
ABSTRACT:
A process and system for interactively displaying large (more than 1 million voxels) volumetric 3D images utilizing a sequence of helical slices of a 3D data set to generate a series of 2D images on a reflective surface of a light modulator. The series of 2D images generated on the light modulator are projected into a volumetric 3D-space display using an illumination light source and projection optics. Voxels in 3D space are illuminated for each 2D projected image, each voxel being located at its corresponding spatial location. A pulse from a wireless pulsed laser pointer forms a 3D bright voxel within the display volume. The pulse signal is synchronized with the rotating helix, and the orientation of the pointer and the phase of the pulse are controlled by the user to specify a 3D point in 3D space. A wireless receiver provides six degree-of-freedom (DOF) position of the spatial location of the pointer, as well as the phase signal. Optical encoders provide synchronization signals of the rotating helical display.
REFERENCES:
patent: 5162787 (1992-11-01), Thompson et al.
patent: 5703606 (1997-12-01), Blundell
patent: 6183088 (2001-02-01), LoRe et al.
patent: 6302542 (2001-10-01), Tsao
Genex Technologies, Inc.
Hjerpe Richard
Lesperance Jean
Nichols Steven L.
Rader & Fishman & Grauer, PLLC
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