VIDEO DISPLAY SYSTEM WITH AN OSCILLATING PROJECTOR SCREEN
First Claim
9. A virtual projector screen system for displaying images projected from a projector, comprising:
- a rod with a side facing, the projector to display the projected images, the display side extending between first and second ends of the rod; and
a base with an oscillating;
portion, wherein the first end of the rod is rigidly attached to the oscillating portion such that the second end of the rod moves between two outer edge positions defining a sweep angle there between.
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Accused Products
Abstract
An apparatus for displaying images from a video projector. The apparatus includes a virtual projector screen assembly with an elongate screen element, such as a rod, that is mounted at one end to a base. The base is adapted for pivoting about its axis, arid a driver mechanism pivots the, base at high frequencies. During operation, the screen element oscillates between two edge positions with images projected from the projector being displayed on a side of the screen element facing or proximate to the projector. The two edge positions can be thought of as intersecting at the base and define a sweep angle (e.g., the angular difference between the two outer travel points of the screen element that is typically less than about 90 degrees). The driver may include a motor with an oscillating output shaft that pivots the base such as with a belt attached to the base.
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Citations
28 Claims
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9. A virtual projector screen system for displaying images projected from a projector, comprising:
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a rod with a side facing, the projector to display the projected images, the display side extending between first and second ends of the rod; and a base with an oscillating;
portion, wherein the first end of the rod is rigidly attached to the oscillating portion such that the second end of the rod moves between two outer edge positions defining a sweep angle there between. - View Dependent Claims (1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12)
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11-1. The system of claim 9, wherein the sweep angle is less than about 90 degrees.
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13. A system for displaying video images on a virtual or hidden projector screen, comprising:
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a video projector projecting a stream of video images; an elongate screen element positioned in the stream of video images; and means mechanically linked to the screen element for oscillating of the screen element between two edge positions. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification