Video system having a touch screen
First Claim
Patent Images
1. A video system, comprising:
- a screen having a front side and a back side, wherein a depression of said screen on said front side produces an image detectable on said back side;
a projector, disposed on said back side of said screen, for projecting a first video signal onto said back side of said screen;
a detector on said back side of said screen for detecting said image; and
a processor, coupled to said projector and said detector, for determining a location of said depression according to said detected image on said back side of said screen, wherein said processor receives data defining a contour of a user on said front side of said screen, determines an arm length of said user based on said contour and determines that said location exists within a range reachable by said arm length.
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Abstract
A video system such as a television signal receiver includes a touch screen that may be suitable for larger image screens. According to an exemplary embodiment, the video system includes a screen having first and second sides, wherein a depression of the screen on the first side produces an image detectable on the second side. At least one projector is disposed on the second side of the screen and projects a first video signal onto the screen. At least one camera is disposed on the second side of the screen and detects the image. A processor determines a location of the depression according to the detected image.
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Citations
29 Claims
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1. A video system, comprising:
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a screen having a front side and a back side, wherein a depression of said screen on said front side produces an image detectable on said back side; a projector, disposed on said back side of said screen, for projecting a first video signal onto said back side of said screen; a detector on said back side of said screen for detecting said image; and a processor, coupled to said projector and said detector, for determining a location of said depression according to said detected image on said back side of said screen, wherein said processor receives data defining a contour of a user on said front side of said screen, determines an arm length of said user based on said contour and determines that said location exists within a range reachable by said arm length. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for operating a video system, comprising steps of:
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providing a screen having a front side and a back side, wherein a depression of said screen on said front side produces an image detectable on said back side; projecting a first video signal onto said back side of said screen; detecting said image on said back side of said screen; determining a location of said depression according to said detected image on said back side of said screen; receiving data defining a contour of a user on said front side of said screen; determining an arm length of said user based on said contour; and determining that said location exists within a range reachable by said arm length. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A television signal receiver, comprising:
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a screen having a front side and a back side, wherein a depression of said screen on said front side produces an image detectable on said back side; video projecting means, disposed on said back side of said screen, for projecting a first video signal onto said screen; detecting means on said back side of said screen for detecting said image; and processing means for determining a location of said depression according to said detected image on said back side of said screen, wherein said processing means receives data defining a contour of a user on said front side of said screen, determines an arm length of said user based on said contour and determines that said location exists within a range reachable by said arm length. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification