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    • 31. 发明授权
    • Semiconductor integrated circuit device
    • 半导体集成电路器件
    • US07050779B2
    • 2006-05-23
    • US10401597
    • 2003-03-31
    • Ikuya OnoKazuhiro TagawaSatoru Takahashi
    • Ikuya OnoKazuhiro TagawaSatoru Takahashi
    • H04B1/28H04B1/26
    • H01L27/0207H03D7/1433H03D2200/0025H03D2200/0047H04B1/40
    • The thermal interference due to the self heating of transistors constituting a gilbert cell circuit is reduced, thereby largely improving the receiving sensitivity to signals. A mixer circuit composed of a gilbert cell circuit comprises transistors T1 to T6. Each of the transistors T1 to T4 is con figured so that four transistors may be connected in parallel. In a layout on a semiconductor chip, four transistors T1a to T1d and T2a to T2d respectively constituting the transistors T1 and T2 are respectively separated into two pairs, and the respective two pairs are laid out in a crisscross shape so that they are crossed with each other. Similarly, four transistors T3a to T3d and T4a to T4d respectively constituting the transistors T3 and T4 are respectively separated into two pairs, and the respective two pairs are laid out in a crisscross shape so that they are crossed with each other. Thus, the thermal influence applied on the transistors T1 to T4 is uniformed.
    • 由于构成吉尔伯特单元电路的晶体管的自发热引起的热干扰降低,从而大大提高了对信号的接收灵敏度。 由吉尔伯特单元电路组成的混频器电路包括晶体管T 1至T 6。 晶体管T 1至T 4中的每一个被配置为使得四个晶体管可以并联连接。 在半导体芯片上的布局中,分别构成晶体管T 1和T 2的四个晶体管T 1 a至T 1 d和T 2 a至T 2 d分别分成两对,并将相应的两对布置在 十字形,使得它们彼此交叉。 类似地,分别构成晶体管T 3和T 4的四个晶体管T 3 a至T 3 d和T 4a至T 4 d分别分成两对,并且相应的两对被布置成十字形,使得它们 相互交叉。 因此,施加在晶体管T 1至T 4上的热影响是均匀的。
    • 40. 发明授权
    • Train operation control system
    • 列车运行控制系统
    • US08967553B2
    • 2015-03-03
    • US14116255
    • 2011-11-15
    • Masashi AsukaSatoru TakahashiKoki YoshimotoAtsushi TakamiYusaku Nagasaki
    • Masashi AsukaSatoru TakahashiKoki YoshimotoAtsushi TakamiYusaku Nagasaki
    • B61L27/00B61L23/24
    • B61L27/0011B61L23/24
    • In accordance with a predetermined segment definition rule based on a point-switch protection section, a point switch control direction, and a train advancing direction, a plurality of segments are defined in advance with respect to a railway network. Segment competition information in which a competitive relationship between the plurality of segments is set in advance is prepared. A segment use permission setting part determines whether or not a competition for a use-requested segment in terms of a train operation occurs between the plurality of trains, by using segment competition information and segment use permission status information. A use-requested segment for which it is determined that no competition occurs is incorporated, as a use permission segment, into use permission segment information of the corresponding train. In accordance with a result of the competition determination, the segment use permission status information is updated.
    • 根据基于点切换保护部分,点切换控制方向和列车前进方向的预定分段定义规则,相对于铁路网络预先定义多个分段。 准备预先设定多个片段之间的竞争关系的片段竞赛信息。 段使用许可设置部分通过使用段竞争信息和段使用许可状态信息来确定是否在多列之间发生关于列车操作的使用请求段的竞争。 将确定没有竞争发生的使用请求片段作为使用许可段被并入到相应列车的使用许可段信息中。 根据竞赛确定的结果,更新分段使用许可状态信息。