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    • 25. 发明授权
    • Control unit having control elements which can be illuminated
    • 控制单元具有可被照亮的控制元件
    • US06467921B2
    • 2002-10-22
    • US09731334
    • 2000-12-06
    • Michael Lange
    • Michael Lange
    • G01D1128
    • B60K37/06B60K2350/203H01H2219/062H01H2219/0622
    • The invention relates to a control unit of a motor vehicle having a plurality of control elements (2, 3) arranged in a visible surface of the control unit, at least one of which elements can be illuminated by a light source (18) via a light coupling-out area of an annular optical waveguide (16). The invention provides for the optical waveguide (16) to have a closed annular form with a tangential bulge (17) which forms a light coupling-in area perpendicularly to the annular light coupling-out area. In a second embodiment for illuminating a plurality of control elements, provision is made of an optical waveguide having a plurality of light coupling-out areas arranged in the same plane on finger-like extensions of an otherwise planar optical waveguide, the light coupling-out areas being arranged at right angles to a common light coupling-in area.
    • 本发明涉及一种具有布置在控制单元的可见表面中的多个控制元件(2,3)的机动车辆的控制单元,其中至少一个元件可以被光源(18)经由 环形光波导(16)的光耦合区域。 本发明提供光波导(16)具有闭合的环形形式,其具有垂直于环形光耦合区域形成光耦合区域的切向凸起(17)。 在用于照亮多个控制元件的第二实施例中,提供了一种光波导,其具有布置在另一平面光波导的指状延伸部上的同一平面中的多个光耦合区域,光耦合出 区域被布置成与普通的光耦合区域成直角。