Patent ID: 6349140
Filing Date: 2002-02-19
Classification: H04N

Abstract:
An image information receiving system, constructed of a center for transmitting information and plurality of subscriber terminal units, for descrambling scrambled information and presenting the descrambled information, comprising:a) a parent subscriber terminal unit including: descrambling unit receiving scrambled information from an external source and descrambling said scrambled information; information output unit, connected to said descrambling unit, outputting the descrambled information received from the descrambling unit; and a parent unit side information presenting unit, connected to said information output unit, presenting information received from the information output unit; and b) a child subscriber terminal unit including: a receiving unit receiving the descrambled information from said parent subscriber terminal unit; and a child unit side information presenting unit, connected to said receiving unit, presenting the descrambled information descrambled by said descrambling unit of said parent subscriber terminal unit and received by said receiving unit; wherein said parent subscriber terminal unit further including: a determining unit determining whether a pay channel program is receivable by one of said parent subscriber terminal unit and said child subscriber terminal unit based on a present receive channel of said parent subscriber terminal unit and a present receive channel of said child subscriber terminal unit.