Wireless video transfer from computer to tv

G - Physics – 09 – G

Patent

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Details

G09G 5/00 (2006.01) H01Q 3/00 (2006.01) H01Q 3/24 (2006.01) H01Q 21/24 (2006.01) H01Q 25/00 (2006.01) H04B 7/10 (2006.01) H04N 5/38 (2006.01) H04N 5/44 (2006.01) H04N 9/64 (2006.01) H04H 1/00 (2006.01)

Patent

CA 2301578

A system for providing the output of a computer (10) to a television set (12) via wireless channel (30) within a building is provided. The system includes a transmission antenna unit (22), a transmission processor (18), a reception antenna unit (24) and a reception processor (20). The transmission processor is connected between the computer and the transmission antenna unit and converts the computer output to a composite video signal, upconverts the composite video signal to a carrier frequency not within a range reserved for television transmission within the building. The reception antenna unit has at least one set of two, differently polarized reception antennas and receives the transmitted signal. The reception processor processes and combines the output of the two antennas of each set and adapts the processing in accordance with the quality of the output.

La présente invention concerne un système assurant la sortie d'un ordinateur vers un poste de télévision via un canal radio à l'intérieur d'un immeuble. Ce système inclut une antenne d'émission, un processeur d'émission, une antenne de réception, et un processeur de réception. Le processeur d'émission est monté entre l'ordinateur et l'antenne d'émission. Il convertit la sortie ordinateur en un signal vidéo composite, augmente la fréquence du signal vidéo composite pour donner une fréquence de porteuse ne se situant pas à l'intérieur d'une plage réservée aux émissions TV, et fournit le signal à fréquence augmentée à l'antenne d'émission en vue de son émission dans l'immeuble. L'antenne de réception, qui est constituée d'au moins deux modules d'antenne aux polarisations différentes, reçoit le signal émis. Le processeur de réception traite et combine les sorties des deux modules de l'antenne, puis adapte le traitement en fonction de la qualité de la sortie.

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