ELECTRONIC WHITEBOARD SYSTEM
First Claim
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1. An electronic whiteboard system comprising:
- a projector;
at least two image capture devices;
an electronic whiteboard;
a light pen; and
a processor connected to the projector and the at least two image capture devices, wherein the light pen comprises at least two light emitting members respectively emitting different wavelengths of light, the at least two image capture devices detect the corresponding wavelengths of light and transmit an image signal to the processor, and the processor then controls the projector to project a colored marker on the electronic whiteboard, a color of the colored marker being controlled by the light pen.
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Abstract
An electronic whiteboard system includes a projector, at least two image capture devices, an electronic whiteboard, a light pen and a processor. The light pen includes at least two light emitting members respectively emitting different wavelengths of light. The at two image capture devices detects the corresponding wavelengths of light and transmits an image signal to the processor. The processor is connected to the projector and the at least two image capture devices, and then directs the projector to project a colored marker onto the electronic whiteboard. A color of the colored marker is controlled by the light pen.
23 Citations
14 Claims
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1. An electronic whiteboard system comprising:
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a projector; at least two image capture devices; an electronic whiteboard; a light pen; and a processor connected to the projector and the at least two image capture devices, wherein the light pen comprises at least two light emitting members respectively emitting different wavelengths of light, the at least two image capture devices detect the corresponding wavelengths of light and transmit an image signal to the processor, and the processor then controls the projector to project a colored marker on the electronic whiteboard, a color of the colored marker being controlled by the light pen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification