Imaging prevention method and system
First Claim
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1. An imaging prevention method for interfering unauthorized imaging of a number of visual images projected on a screen, the imaging prevention method comprising:
- directly projecting infrared light to a viewer/audience side from at least one or more infrared light projector means, whereby enabling said infrared light to be incident into imaging means of a person conducting the unauthorized act so as to adversely affect unauthorized copying operations being performed by said imaging means.
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Abstract
As an imaging prevention method for interfering unauthorized imaging of a number of visual images projected on a screen, there is employed a method for projecting infrared light to a viewer/audience direction from at least one or more infrared light projector devices. According to the method, infrared light maybe directly incident into an imaging apparatus of a person conducting an unauthorized copying act so as to adversely affect the unauthorized copying.
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Citations
2 Claims
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1. An imaging prevention method for interfering unauthorized imaging of a number of visual images projected on a screen, the imaging prevention method comprising:
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directly projecting infrared light to a viewer/audience side from at least one or more infrared light projector means, whereby enabling said infrared light to be incident into imaging means of a person conducting the unauthorized act so as to adversely affect unauthorized copying operations being performed by said imaging means.
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2. An imaging prevention system for interfering unauthorized imaging of a number of visual images projected on a screen, the imaging prevention method comprising:
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at least one or more infrared light projector means for projecting infrared light so as said infared light is directly incident into imaging means of a person conducting the unauthorized act so as to advertisely affect unauthorized copying operations being performed by said imaging means; and
control means for controlling said at least one or more infared light projector means.
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Specification
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Current AssigneeSony Corporation (Sony Group Corp.)
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Original AssigneeSony Corporation (Sony Group Corp.)
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InventorsZushi, Norifumi, Kimura, Katsumi, Kataoka, Shinya, Kudo, Yuko
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Primary Examiner(s)Adams, Russell
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Assistant Examiner(s)Koval, Melissa J.
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Application NumberUS10/454,108Publication NumberTime in Patent Office433 DaysField of Search353/122, 353/30, 353/94, 348/744, 348/570, 359/460, 434/286US Class Current353/122CPC Class CodesH04N 2005/91392 using means for preventing ...H04N 5/74 Projection arrangements for...H04N 5/913 for scrambling ; for copy p...
