Imaging prevention method and system
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, infrar...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 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 may be 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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