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Broadcasting system and receiving apparatus

  • US 8,151,302 B2
  • Filed: 11/29/2000
  • Issued: 04/03/2012
  • Est. Priority Date: 12/01/1999
  • Status: Expired due to Fees
First Claim
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1. A receiver comprising:

  • receiving means for receiving digital content and attributive information from a broadcast station, the attributive information including an accounting amount for the digital content, and the receiving means including an infra-red radiation receiving unit;

    remote controller means, which includes an infra-red radiation emitting unit, for remotely controlling the receiving means by transmitting an infra-red radiation signal from the infra-red radiation emitting unit to the infra-red radiation receiving unit in the receiving means, the remote controller means having a display unit and a removable recording medium,wherein the remote controller means is separate from the receiving means;

    selecting means for comparing first selective information with the attributive information,a filtering means for filtering the attributive information on the basis of the first selective information to select the digital content;

    a code decoding means for decoding a code of the digital content filtered by the filtering means using a predetermined cipher key, the cipher key being possessed by a registered user of the broadcast station, wherein upon decoding the code of the digital content by the code decoding means, transmitting an accounting data to the broadcast station;

    recording means for recording digital content on the receiver, said digital content selected on the basis of the first selective information; and

    removable recording medium control means for recording at least one of said selected digital content, and for storing address information of digital content to the broadcast station, on the removable recording medium,wherein the selected digital content recorded on the removable recording medium is reproducible on the display unit of the remote controller means,wherein the broadcast station carries out accounting for the user on the basis of the transmitted accounting data,wherein the broadcast station changes the accounting amount for the digital content based on the using environment of each user, amount of commercial messages listened to and viewed by each user, and number of requests for the digital content by users, the accounting amount further being variable when a first user introduces the digital content to a second user and the second user uses the introduced digital content, andwherein the using environment is determined by at least the type of display unit coupled to the receiver, the type of display unit selected from the group consisting of cathode ray tube, liquid crystal display, plasma display, plasma addressing liquid crystal display, and field emission display.

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