FIELD: computer engineering, possible use for computer presentations, computer games, simulators.
SUBSTANCE: the system contains a video camera with light filter, positioned in front of the screen, video image processor, projector, receiver of command channel radiation, control device including emitter and controller, connected to control buttons, with battery discharge management circuit, and through a switch, to control input of the emitter. Control device may feature a second emitter, which generates the radiation of coordinates channel. Receiver of command channel radiation may be positioned closely to the screen in zone of receipt of radiation of first emitter or in front of the screen in form of radiation of emitter deflected from the screen. Projector and the screen may be combined and realized in form of plasma or liquid-crystalline panel.
EFFECT: ensured high speed of transmission of control commands, minimal trailing of cursor position from the real position of laser spot on the screen, full control over large screen presentations.
3 cl, 6 dwg
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Authors
Dates
2008-04-20—Published
2006-07-28—Filed