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    • 52. 发明申请
    • OPTICAL SPACE TRANSMISSION DEVICE INCLUDING ROTATABLE MEMBER
    • 光学空间传输装置,包括可旋转的会员
    • US20080219674A1
    • 2008-09-11
    • US12028130
    • 2008-02-08
    • Tomohiro Yamazaki
    • Tomohiro Yamazaki
    • H04B10/00
    • H04B10/1125
    • An optical space transmission device includes: a first portion; and a second portion which is rotatably connected to the first portion and performs space transmission of signals using light between the first portion and the second portion. The device includes: a first light emitting and receiving module which is provided for the first portion and includes: a first light emitting element composed of a light emitting diode emitting first signal light modulated based on a signal transmitted from the first to second portion; and a first light receiving element receiving second signal light modulated based on a signal transmitted from the second to first portions; and a second light emitting and receiving module which is provided for the second portion and includes: a second light emitting element composed of a semiconductor laser emitting the second signal light; and a second light receiving element receiving the first signal light.
    • 光学空间传输装置包括:第一部分; 以及第二部分,其可旋转地连接到第一部分,并且在第一部分和第二部分之间使用光执行信号的空间传输。 该装置包括:第一发光和接收模块,其被设置用于第一部分,并且包括:第一发光元件,由发光二极管组成的第一发光元件,发光二极管基于从第一至第二部分发射的信号进行了调制; 以及第一光接收元件,接收基于从所述第二至第一部分发送的信号而被调制的第二信号; 以及第二发光和接收模块,其被设置用于所述第二部分,并且包括:由发射所述第二信号光的半导体激光器组成的第二发光元件; 以及接收第一信号光的第二光接收元件。
    • 55. 发明授权
    • Optical transceiver
    • 光收发器
    • US07200335B2
    • 2007-04-03
    • US10229748
    • 2002-08-28
    • Masahiko TsumoriHaruo TanakaTomohiro Yamazaki
    • Masahiko TsumoriHaruo TanakaTomohiro Yamazaki
    • H04B10/00
    • H04B10/1143
    • An optical transceiver is equipped with at least one coupling lens which condenses reception signal light from an optical medium and condenses transmission signal light to the optical medium, an optical plate which passes the reception signal light and reflects the transmission signal light, a light receiving element which receives the reception signal light passed through the optical plate, and a light emitting element which transmits the transmission signal light so as to be reflected by the optical plate, wherein an emission port of the transmission signal light of the light emitting element is arranged at a position to enable the transmission signal light from the light emitting element to form an image in the optical medium via the optical plate and the coupling lens, and wherein the emission port of the transmission signal light of the light emitting element is arranged in a direction that makes the incident angle formed on the optical plate by the beam center line of the transmission signal light transmitted from the light emitting element larger than the incident angle of the beam center line for maximally condensing the transmission signal light from the light emitting element to the optical medium in order to move the beam center line of the transmission signal light from the light emitting element away from the light receiving element, whereby it becomes possible to reduce the near-end crosstalk from the light emitting element to the light receiving element in the optical transceiver.
    • 一种光收发器配备有至少一个耦合透镜,其将来自光学介质的接收信号光聚合,并将透射信号光冷凝到光学介质,使得接收信号光通过并反射透射信号光的光学板,光接收元件 其接收通过光学板的接收信号光,以及发送透射信号光以被光学板反射的发光元件,其中发光元件的透射信号光的发射端口布置在 使来自发光元件的透射信号的光能够经由光学板和耦合透镜在光学介质中形成图像的位置,并且其中发光元件的透射信号光的发射端口被布置在 这使得通过透镜的光束中心线在光学板上形成入射角 从发光元件发射的光束信号光大于光束中心线的入射角,以便将来自发光元件的透射信号光最大程度地聚光到光学介质,以便将来自发光元件的透射信号光的光束中心线移动 发光元件远离光接收元件,从而可以减少光收发器中从发光元件到光接收元件的近端串扰。