Projection Apparatus And Method For Pepper's Ghost Illusion
First Claim
1. An image projection apparatus comprising a projector, a frame, a light source and an at least partially transparent screen:
- the frame being arranged to retain the screen under tension at a plurality of positions along at least one edge of said screen, such that the screen is inclined at an angle with respect to a plane of emission of light from the projector;
the light source arranged to illuminate at least part of the apparatus, the light source being optionally located to the rear of the screen, along a top edge of the frame and/or along either side of a stage;
the screen having a front surface arranged such that light emitted from the projector is reflected therefrom; and
the projector being arranged to project an image such that light forming the image impinges upon the screen such that a virtual image is created from light reflected from the screen, the virtual image appearing to be located behind the screen.
7 Assignments
0 Petitions
Accused Products
Abstract
An image projection apparatus (100) comprises a projector (106), a frame (108), and a partially transparent screen (110). The frame (108) retains the screen (110) under tension, such that the screen (110) is inclined at an angle with respect to a plane of emission of light from the projector (106). The screen (110) has a front surface arranged such that light emitted from the projector (106) is reflected therefrom. The projector (106) projects an image such that light forming the image impinges upon the screen (11) such that a virtual image is created from light reflected from the screen (110), the virtual image appearing to be located behind the screen (110).
49 Citations
43 Claims
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1. An image projection apparatus comprising a projector, a frame, a light source and an at least partially transparent screen:
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the frame being arranged to retain the screen under tension at a plurality of positions along at least one edge of said screen, such that the screen is inclined at an angle with respect to a plane of emission of light from the projector;
the light source arranged to illuminate at least part of the apparatus, the light source being optionally located to the rear of the screen, along a top edge of the frame and/or along either side of a stage;
the screen having a front surface arranged such that light emitted from the projector is reflected therefrom; and
the projector being arranged to project an image such that light forming the image impinges upon the screen such that a virtual image is created from light reflected from the screen, the virtual image appearing to be located behind the screen. - View Dependent Claims (2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 17, 18, 25)
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3-4. -4. (canceled)
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14-15. -15. (canceled)
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19-24. -24. (canceled)
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26. (canceled)
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27. A method of providing a frame and screen for an image projection apparatus having a projector, a frame, a light source and an at least partially transparent screen, the frame being arranged to retain the screen under tension at a plurality of positions along at least one edge of said screen, such that the screen is inclined at an angle with respect to a plane of emission of light from the projector;
- the light source arranged to illuminate at least part of the apparatus;
the screen having a front surface arranged such that light emitted from the projector is reflected therefrom; and
the projector being arranged to project an image such that light forming the image impinges upon the screen such that a virtual image is created from light reflected from the screen, the virtual image appearing to be located behind the screen;
comprising the steps of;
(i) resting a frame upon a number of elevation means;
(ii) attaching leg sections to the frame;
(iii) increasing the height of the elevation means;
(iv) adding further leg sections;
(vi) attaching a lower edge of a screen to a first retention member on a lower rear piece of the frame;
(vii) raising an upper edge of the screen to adjacent an upper front section of the frame; and
(viii) attaching the upper edge of the screen to a second retention member on the upper front section of the frame. - View Dependent Claims (34, 35, 36)
- the light source arranged to illuminate at least part of the apparatus;
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28-33. -33. (canceled)
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37-42. -42. (canceled)
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43. A frame and screen constructed by the steps of:
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(i) resting a frame upon a number of elevation means;
(ii) attaching leg sections to the frame;
(iii) increasing the height of the elevation means;
(iv) adding further leg sections;
(vi) attaching a lower edge of a screen to a first retention member on a lower rear piece of the frame;
(vii) raising an upper edge of the screen to adjacent an upper front section of the frame; and
(viii) attaching the upper edge of the screen to a second retention member on the upper front section of the frame.
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Specification