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    • 3. 发明专利
    • Information distribution system, the information receiving apparatus and information storage method
    • 空值
    • JP4406994B2
    • 2010-02-03
    • JP2000076607
    • 2000-03-17
    • ソニー株式会社
    • 啓二 湯沢
    • G06F17/30H04H60/46G10K15/02G10K15/04G11B27/00G11B27/10H04H9/00H04H20/00H04H20/81H04H60/27H04H60/31H04H60/47H04N5/85H04N7/173H04N7/20H04N17/00H04N21/442H04N21/475
    • H04H20/81H04H60/27H04H60/31H04H60/47H04N7/163H04N21/4331H04N21/4335H04N21/44222
    • In a system for providing information to the user by using a BS broadcast, information items can be displayed in the optimum order and the information can be deleted or stored from/into a storage in the optimum order. Attribute information showing an information category is prepared. When the information stored in the storage is viewed, the number of accesses is counted every category of the information by using the attribute information showing the information category, a user access tendency is decided from a count value of the accessed category, and an access priority is discriminated from the user access tendency. Attribute information showing an information priority is prepared. The access priority is decided from the attribute information showing the information priority. When a list of the information stored in the storage is displayed, it is displayed in the order from the high access priority. To assure a vacant area in the storage, the information is deleted in the order from the information of the low access priority. When new information is stored into the storage, the information of the high access priority is filtered and stored.
    • 在通过使用BS广播向用户提供信息的系统中,可以以最佳顺序显示信息项,并且可以以最佳顺序将信息删除或存储到存储器中。 准备显示信息类别的属性信息。 当存储在存储器中的信息被查看时,通过使用表示信息类别的属性信息对信息的每个类别对访问次数进行计数,从访问的类别的计数值和访问优先级确定用户访问趋势 被区别于用户访问趋势。 准备显示信息优先级的属性信息。 访问优先级由显示信息优先级的属性信息决定。 当显示存储在存储器中的信息的列表时,以高访问优先级的顺序显示。 为了确保存储器中的空闲区域,从低访问优先级的信息中按顺序删除该信息。 当新信息存储到存储器中时,高访问优先级的信息被过滤并存储。
    • 8. 发明专利
    • Modulation circuit
    • 空值
    • JPS5754448A
    • 1982-03-31
    • JP12858580
    • 1980-09-18
    • Fujitsu Ltd
    • MUROZAKI MIKIOOOTSUKI TSUGUOSATO KAZUO
    • H03C1/54H04H1/00H04H20/81H04H60/04H04H60/68H04H60/94H04J1/02
    • H03C1/545H04H20/81H04H60/04H04H60/68H04H60/94
    • PURPOSE:To suppress unnecessary side bands stably with a low cost constitution, by constituting a modulation circuit with one chip modulation element and components commonly used. CONSTITUTION:A broadcast program signal applied to the base of transistors TRs 19, 20 is amplified with an amplifying operation determined with an operation bias decided by a constant current source 21, and then it is outputted to the collector as modulated waves via TRs 15-18 for modulation switched with the carrier frequency applied to terminals 13, 14. In this case, voltages of signals inputted to terminals 11, 12 are takes respectively as P1, P2, then the signal P1 is modulated with the TRs 15, 17 and the signal P2 is with the TRs 16, 18 independently. When the modulation product thus obtained is picked up as the output of sum, only the frequency component of lower side band is outputted, the upper side band is cancelled and suppressed. The TRs 15-18 used for this circuit are TR elements of one chip, and since the constant current source 21 is made common, the number of components can be made less and the dispersion in the characteristics of constituents can be made less.
    • 目的:通过构成具有一个芯片调制元件和常用部件的调制电路,以低成本构成稳定地抑制不必要的边带。 构成:施加到晶体管TR19,20的基极的广播节目信号用由恒定电流源21决定的运算偏置决定的放大运算进行放大后,经由TRs 15〜20作为调制波输出到集电极, 在这种情况下,输入到端子11,12的信号的电压分别作为P1,P2,然后信号P1用TRs 15,17调制,并且 信号P2与TRs16,18独立。 当这样获得的调制产物作为和的输出被拾取时,仅输出下侧频带的频率分量,消除和抑制上侧频带。 用于该电路的TRs 15-18是一个芯片的TR元件,由于恒流源21是共同的,所以可以使部件数量减少,并且可以使组件的特性的偏差更小。