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    • 9. 发明授权
    • Program information broadcasting system, broadcasting device, and receiving terminal unit
    • 节目信息广播系统,广播设备和接收终端单元
    • US06507950B1
    • 2003-01-14
    • US08956344
    • 1997-10-23
    • Ryota TsukidateKenichi FujitaShigeki KanekoYoshiyasu Takeuchi
    • Ryota TsukidateKenichi FujitaShigeki KanekoYoshiyasu Takeuchi
    • H04N716
    • H04N21/8453H04H20/28H04H60/04H04H60/27H04H60/33H04H60/72H04N5/4401H04N5/44543H04N7/16H04N21/26266H04N21/26283H04N21/4786H04N21/4788H04N21/6547H04N21/84
    • In a program information broadcasting system, it is aimed to minimize time for retrieval of program by viewers in operating an electronic program guide or time for waiting when applying for subscription. As a program information broadcasting system, program elements constituting a broadcasting program are divided into a plurality of items and are turned to data at a center, and a master data 21 of a program information to recognize the program is prepared. From the data constituting the master data, minimal necessary items for preparation of a program table are extracted, and a program basic information 22 is prepared. Said master data and said program basic information are transmitted simultaneously with the broadcasting, and said program basic information is received, reproduced and displayed before receiving of the master data at a receiving terminal unit 31 is completed. As a result, the program basic information having far less amount of data than the master data can be incorporated, and it is possible to minimize the time required for storage of the data in memory of the receiving terminal unit.
    • 在节目信息广播系统中,旨在最小化观看者在运行电子节目指南时的节目检索时间或者在申请订阅时等待的时间。 作为节目信息广播系统,构成广播节目的节目元素被划分为多个项目并被转到中心的数据,并且准备用于识别节目的节目信息的主数据21。 从构成主数据的数据中,提取用于准备节目表的最少必要项目,并准备节目基本信息22。 所述主数据和所述节目基本信息与广播同时发送,并且在接收终端单元31接收到主数据之前接收,再现和显示所述节目基本信息。 结果,可以并入具有比主数据少的数据量的程序基本信息,并且可以最小化在接收终端单元的存储器中存储数据所需的时间。
    • 10. 发明授权
    • Digital television broadcasting system
    • 数字电视广播系统
    • US06271893B1
    • 2001-08-07
    • US09220890
    • 1998-12-28
    • Toru KawaguchiRyota TsukidateYoshiyasu Takeuchi
    • Toru KawaguchiRyota TsukidateYoshiyasu Takeuchi
    • H04N700
    • H04H20/42H04H20/59H04H20/91H04H40/09H04H60/13H04H60/25H04H60/40H04N5/44543H04N5/63H04N21/235H04N21/2362H04N21/4345H04N21/435H04N21/4436H04N21/4586H04N21/654H04N21/814Y02D70/168
    • A digital television transmitter transmits a transport stream (hereinafter referred to as “TS”) comprising content data for a plurality of channels to receivers. In the transmitter, program information is periodically inserted in the TS; and an expected time of program alteration is included in said TS. A television receiver comprises a first portion always supplied with an electric power, a second portion which, if supplied with a second electric power, becomes capable of collecting program information included in said TS in corporation with said first portion, and a third portion which. if supplied with a third electric power, becomes capable of displaying said program. At an expected time of program alteration previously received, the second power is supplied to the second portion to collect program information, which is preferably stored in nonvolatile memory. The transmitter sending an alert signal to the receiver via a second transmission media ensures the reception of changed or special program information.
    • 数字电视发射机将包含多个信道的内容数据的传输流(以下称为“TS”)发射到接收机。 在发射机中,节目信息被定期地插入到TS中; 并且所述TS中包括预期的节目改变时间。 电视接收机包括始终提供电力的第一部分,第二部分如果被提供有第二电力,则能够与所述第一部分一起收集包含在所述TS中的节目信息,以及第三部分。 如果提供有第三电力,则能够显示所述程序。 在预先接收的节目改变的时间,将第二功率提供给第二部分以收集优选地存储在非易失性存储器中的节目信息。 经由第二传输介质向接收机发送警报信号的发射机确保接收改变的或特殊的节目信息。