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    • 1. 发明申请
    • LIGHT EMITTING ELEMENT DRIVE CIRCUIT AND LIGHT EMITTING DEVICE
    • 发光元件驱动电路和发光装置
    • US20140117873A1
    • 2014-05-01
    • US13963459
    • 2013-08-09
    • FUJITSU LIMITED
    • Mariko KASEYukito TSUNODA
    • H05B33/08
    • H04B10/504H01S5/0428H01S5/06226H01S5/183
    • A light emitting element drive circuit includes: a plurality of signal paths that respectively propagate a plurality of signals obtained by branching an input signal, a plurality of filters different in a frequency band to pass a signal; one or more amplifiers configured to amplify a signal, one or more delay circuits configured to delay a signal, and an addition circuit that adds a plurality of signals, the filter different in the frequency band being arranged in each of the plurality of signal paths, the delay circuit being arranged in one or more of the plurality of signal paths relatively low in the frequency band, the amplifier being arranged in one or more of the plurality of signal paths relatively high in the frequency band, and an output end of each of the plurality of signal paths being coupled to the addition circuit.
    • 发光元件驱动电路包括:多个信号路径,其分别传播通过对输入信号进行分支而获得的多个信号,频带在频带中不同以通过信号; 配置成放大信号的一个或多个放大器,被配置为延迟信号的一个或多个延迟电路以及添加多个信号的加法电路,所述滤波器在所述多个信号路径中的每一个中布置的频带不同, 所述延迟电路被布置在所述多个信号路径中的一个或多个在所述频带中相对低的信号路径中,所述放大器被布置在所述多个信号路径中的一个或多个信号路径中,所述多个信号路径在所述频带中相对较高,并且每个的输出端 多个信号路径耦合到加法电路。
    • 6. 发明申请
    • MULTIPLEX CIRCUIT AND DRIVE UNIT USING THE SAME
    • 使用相同的多路复用电路和驱动单元
    • US20140159797A1
    • 2014-06-12
    • US14064825
    • 2013-10-28
    • FUJITSU LIMITED
    • Mariko KASE
    • H03K17/16
    • H03K17/693
    • A multiplex circuit includes: a plurality of input transistors that correspondingly receive a plurality of input signals of different switching points, the switching points beginning with edges of symbol periods of the plurality of input signals; one of a common base transistor that is connected to a collector of the input transistor, and a common gate transistor that is connected to a drain of the input transistor; and an output end that is connected to one of the collector of the common base transistor and the drain of the common gate transistor, and to which a signal that is obtained by combining the plurality of input signals is output.
    • 多路复用电路包括:多个输入晶体管,其对应地接收不同切换点的多个输入信号,所述切换点从所述多个输入信号的符号周期的边缘开始; 连接到输入晶体管的集电极的公共基极晶体管之一和连接到输入晶体管的漏极的公共栅极晶体管; 以及输出端,其连接到公共基极晶体管的集电极和公共栅极晶体管的漏极之间,并且输出通过组合多个输入信号而获得的信号。