Projection television system employing optics through which transmitted infrared television signals are received
First Claim
1. A projection television system comprising:
- means for transmitting an infrared television signal along a given axis; and
a projection television means including projection optics adapted to receive said transmitted infrared signal via said optics, including means for converting said received signal via said optics into an image signal and for returning said image signal to be displayed at a remote location through said projection optics.
1 Assignment
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Accused Products
Abstract
A projection television system includes a projection unit having an optical element through which infrared television signals are received. The received signals are processed to provide a television image display which is projected for viewing. Received television signals from a TV station or cable are converted to infrared signals and transmitted along a given axis of an infrared transmission link extending between an infrared transmitter, remotely positioned from the projection unit, to an infrared detector, located in the projection unit. The detector converts the infrared TV signal into a video signal which signal is processed by the projection receiver to provide the image for display. The infrared transmitter, the optical element and the detector are aligned along a given axis which is also the optical axis of the system.
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Citations
11 Claims
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1. A projection television system comprising:
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means for transmitting an infrared television signal along a given axis; and a projection television means including projection optics adapted to receive said transmitted infrared signal via said optics, including means for converting said received signal via said optics into an image signal and for returning said image signal to be displayed at a remote location through said projection optics. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification