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    • 3. 发明申请
    • APPLIANCE AND ARRANGEMENT FOR OPTICAL SIGNAL TRANSMISSION BY MEANS OF OPTICAL WAVEGUIDES
    • 光学波长光学信号传输的装置和布置
    • WO2012085802A1
    • 2012-06-28
    • PCT/IB2011/055749
    • 2011-12-16
    • CATERPILLAR GLOBAL MINING EUROPE GMBHAHLER, MarcoRÜSCHKAMP, HennerHENGSTLER, Stefan
    • AHLER, MarcoRÜSCHKAMP, HennerHENGSTLER, Stefan
    • H04B10/155G02B6/26
    • H04B10/2503G02B6/266H04B10/564
    • The invention relates to an appliance for optical signal transmission by means of optical waveguides in explosion-hazard areas, in particular in underground mining, having an optical transmitter (4), having an optical output interface (12) for connection of an optical waveguide transmission path (14) and having a device for limiting the light power (8). The invention also relates to an arrangement for bi-directional optical signal transmission. In order to provide an appliance for optical signal transmission as well as an arrangement for bi-directional optical signal transmission in explosion-hazard areas, complying with the requirements for intrinsically safe operation of the transmission medium when separating or decoupling the transmission medium, the device for limiting the light power (8) is a passive optical component (8) which is connected in the optical signal path between the optical transmitter (4) and the optical output interface (12).
    • 本发明涉及一种用于通过光波导在特别是地下采矿中的光波导的光信号传输的装置,具有光发射器(4),该光发射器具有光输出接口(12),用于连接光波导传输 路径(14)并具有用于限制光功率的装置(8)。 本发明还涉及一种用于双向光信号传输的装置。 为了提供用于光信号传输的装置以及用于在爆炸危险区域中的双向光信号传输的装置,当分离或解耦传输介质时,符合传输介质本质安全操作的要求,该装置 为了限制光功率(8)是在光发射器(4)和光输出接口(12)之间的光信号路径中连接的无源光学部件(8)。