Projection-type display device and software program
First Claim
Patent Images
1. A projection-type display device comprising:
- a projection surface on which a predetermined projection image is displayed through projection;
a writing surface on which an image can be drawn directly in a superimposing manner with the projection image displayed on said projection surface; and
a photography part photographing an image drawn on said writing surface by means of an image-pickup part comprising two-dimensionally-disposed pixels
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Abstract
A projection surface on which a predetermined projection image is projected is provided; a writing surface on which an image can be drawn directly in a superimposing manner with a projection image displayed on the projection surface is provided; and a photography part photographing an image drawn on the writing surface by means of an image-pickup part comprising two-dimensionally-disposed pixels is provided.
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Citations
37 Claims
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1. A projection-type display device comprising:
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a projection surface on which a predetermined projection image is displayed through projection;
a writing surface on which an image can be drawn directly in a superimposing manner with the projection image displayed on said projection surface; and
a photography part photographing an image drawn on said writing surface by means of an image-pickup part comprising two-dimensionally-disposed pixels - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29, 30)
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23. A projection-type display device connected to a computer via a communication network, and operating according to instructions given by said computer, comprising:
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a projection surface on which a predetermined projection image is displayed through projection;
a writing surface on which an image can be drawn directly in a superimposing manner with the projection image displayed on said projection surface; and
a photography part photographing an image drawn on said writing surface by means of an image-pickup part comprising two-dimensionally-disposed pixels.
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24. A computer readable recording medium storing a software program for operating a projection-type display device which comprises:
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a projection surface on which a predetermined projection image is displayed through projection;
a writing surface on which an image can be drawn directly in a superimposing manner with the projection image displayed on said projection surface; and
a photography part photographing an image drawn on said writing surface by means of an image-pickup part comprising two-dimensionally-disposed pixels, wherein said software program is read by a computer which thus performs the following steps;
a) making said photography part to take a photograph of said writing surface; and
b) extracting an image drawn by a user onto said writing surface, from the photographed image obtained through said step a).
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31. A software program for operating a projection-type display device which comprises:
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a projection surface on which a predetermined projection image is displayed through projection;
a writing surface on which an image can be drawn directly in a superimposing manner with the projection image displayed on said projection surface; and
a photography part photographing an image drawn on said writing surface by means of an image-pickup part comprising two-dimensionally-disposed pixels, wherein said software program is read by a computer which thus performs the following steps;
a) making said photography part to take a photograph of said writing surface; and
b) extracting an image drawn by a user onto said writing surface, from the photographed image obtained through said step a). - View Dependent Claims (32, 33, 34, 35, 36, 37)
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Specification