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Article: New York, California Inventors Develop Projector, Camera Arrangements
- Article from:
- US Fed News Service, Including US State News
- Article date:
- April 24, 2008
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ALEXANDRIA, Va., April 24 -- Ferdinand Hendriks of Yorktown Heights, N.Y., Zon-Yin Shae of South Salem, N.Y., Xiping Wang of Putnam County, N.Y., and Belle L. Tseng of Cupertino, Calif., have developed electronic whiteboard systems.
According to the U.S. Patent & Trademark Office: "Projector and camera arrangements are provided for use in electronic whiteboard systems. Specifically, the present invention provides projector and camera arrangements wherein the projector and camera share the same imaging optics. By sharing the same projection and camera optics, the distortions that affect the projection system are the same as those of the camera system. Thus, the calibration step required ...