Importance

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Abstract

A signal transmission system in which a variery of electronic apparatus which can transmit audio and/or video informations (AV informations) or the like are concentratedly installed is comprised of main control means for controlling a variety of electronic apparatus and sub-control means installed via cables within a plurality of sub-rooms so that the AV informations can be listened to and viewed through the main control means. In order to transmit much more informations within the narrow frequency band, the AV informations are allocated to predetermined channels and channel content information indicating the AV informations allocated to the respective channels and an owner information indicative of the sub-room of the owner who exclusively uses the electronic apparatus are frequency-multiplexed with the AV informations and transmitted. Therefore, data of a variety of sources can be transmitted within the narrow frequency band and a plurality of users can generally understand the present status of the limited sources and select informations, thus avoiding the system from being disturbed.

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First Claim