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    • 8. 发明公开
    • Optical data transmission device with parallel channel paths for arrayed optical elements
    • 装置与用于光学元件的线性阵列并行信道的光数据传输。
    • EP0419216A2
    • 1991-03-27
    • EP90310209.3
    • 1990-09-18
    • KABUSHIKI KAISHA TOSHIBA
    • Furuyama, Hideto, c/o Intellectual Property Div.Nakamura, Masaru, c/o Intellectual Property Div.
    • H04B10/18G02B6/42
    • H04B10/2507G02B6/43H01L2224/05554H01L2224/48091H01L2224/48471H01L2224/49175H01L2924/00014H01L2924/01005H01L2924/01006H01L2924/01007H01L2924/01322H01L2924/30107H01L2924/3011H01L2924/3025H01L2924/00H01L2224/4554
    • A parallel optical data transmission device has an optical signal emitting unit (10), an optical signal reception unit (20), and a parallel optical signal transmission cable (30) for optically coupling therebetween. The optical signal emitting unit (10) has an array of semiconductor lasers (14), whereas the reception unit (20) has an array of semiconductor photodetectors (24) of the same number. The transmission cable (30) essentially consists of optical fibers bundled together. In the optical signal emitting unit (10), electrical drive signal transfer lines (18) for the lasers (14) have a stair-step bending pattern such that their transmission lengths sequentially vary. In the optical reception unit (20), electrical signal transmission lines (28) for the photodetectors (24) likewise has a stair-step bending pattern such that their transmission lengths sequentially differ, this stair-step pattern is like a reversed version of the stair-step pattern in the optical signal emitting unit (10), whereby the total lengths of electrical signal transmission line paths are made equal to one another for the respective transmission channels, thus ensuring compensation for a delay in parallel signal transmission.
    • 并行的光学数据传输装置具有光信号发射单元(10)中,在光信号接收单元(20),以及用于之间光学耦合有一个并行的光学信号传输电缆(30)上。 光信号发射单元(10)具有半导体激光器(14)的阵列,而接收单元(20)具有相同数量的半导体光电检测器(24)阵列。 传输电缆(30)本质上besteht捆扎在一起的光纤。 在该光信号发射单元(10),用于将激光(14)的电驱动信号传输线(18)具有弯曲检查的阶梯图案做他们的传输长度按顺序改变。 在光接收单元(20),电气信号传输线(28),用于将光电检测器(24)同样地具有阶梯状弯曲模式搜索做他们的传输长度顺序地分化,这阶梯图案像的反转版本 在该光信号发射单元(10),由此的电信号传输线路径的总长度都彼此相等的respectivement传输信道,从而保证用于并行信号传输延迟补偿阶梯图案。