PROJECTION VIDEO DISPLAY DEVICE
First Claim
1. A projection video display device which enlarges and projects an image from an image-displaying means, comprising:
- a housing which encloses a power supply, a light source, and a lens unit which guides light from the light source to the image-displaying means and, after that, enlarges the light; and
a raisable/lowerable mirror which covers a projection-light opening formed on a top surface of the housing, is installed to be rotatable with respect to the housing, and has a convex mirror on an inside surface thereof,wherein, when the raisable/lowerable mirror covers the top surface of the housing, a top surface of the projection video display device becomes a convexly curved surface which is smoothly connected with no height difference in an up/down direction between an edge of the raisable/lowerable mirror and a front edge of the opening, and a half-bowl-shaped concavity is formed on at least one side surface in a rotation shaft direction of the raisable/lowerable mirror.
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Accused Products
Abstract
Without increasing the size of a projection video display device that has a mirror that can be raised and lowered, this invention makes it easy to raise and lower said mirror. In order to do so, this projection video display device, which enlarges and projects an image from an image-displaying means, has a housing (10) and a raisable/lowerable mirror (30) wherein: a power supply, a light source, and a lens unit are accommodated inside the housing (10); said lens unit enlarges light from the light source after said light has been directed to the aforementioned image-displaying means; and the raisable/lowerable mirror (30) covers a projection-light opening (26) formed in the top surface of the housing (10), is provided so as to be able to rotate with respect to the housing (10), and has a convex mirror (110) on the inside surface thereof. With the raisable/lowerable mirror (30) covering the top surface of the housing (10), the top surface of the projection video display device forms a smoothly connected, smooth, convexly curved surface with no height difference between the edge of the raisable/lowerable mirror (30) and the front edge of the opening (26), and a half-bowl-shaped concavity (45) is formed on at least one side of the raisable/lowerable mirror (30) in the direction of the axis of rotation thereof.
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Citations
14 Claims
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1. A projection video display device which enlarges and projects an image from an image-displaying means, comprising:
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a housing which encloses a power supply, a light source, and a lens unit which guides light from the light source to the image-displaying means and, after that, enlarges the light; and a raisable/lowerable mirror which covers a projection-light opening formed on a top surface of the housing, is installed to be rotatable with respect to the housing, and has a convex mirror on an inside surface thereof, wherein, when the raisable/lowerable mirror covers the top surface of the housing, a top surface of the projection video display device becomes a convexly curved surface which is smoothly connected with no height difference in an up/down direction between an edge of the raisable/lowerable mirror and a front edge of the opening, and a half-bowl-shaped concavity is formed on at least one side surface in a rotation shaft direction of the raisable/lowerable mirror. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification