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    • 3. 发明专利
    • Ray projection module
    • 空值
    • JP5148900B2
    • 2013-02-20
    • JP2007052382
    • 2007-03-02
    • チ・エレ・エッフェ・ソシエタ・コンソルティーレ・ペル・アチオニC.R.F. Societa Consortile per Azioni
    • ステファノ・ベルナルドピエールマリオ・レペットデニス・ボッレア
    • G02B17/08G02B13/00
    • F21S41/147F21Y2115/10
    • A module for projecting a light beam comprises: a light source (10), a substantially flat support surface (20) on which the source is arranged, and a curved reflecting surface (30), the reflecting surface being divided into a plurality of reflecting areas (31,32,33). The plurality of reflecting areas comprises at least one area (32,33) such that the portion of the light beam reflected by that area is substantially collimated in a vertical direction and has a small horizontal divergence ± less than a first predetermined angular value ± 1 , and at least one area (31) which is designed in a manner such that the portion of the light beam reflected by that area has a wide horizontal divergence ± greater than a second predetermined angular value ± 2 . The area (31) with wide horizontal divergence has a substantially elliptical horizontal cross-section parallel to the flat support surface (20) with one of its foci (F1) substantially coinciding with the source (10) and a substantially parabolic vertical cross-section with an axis (z p ) substantially parallel to the flat support surface (20) and with its focus (F) substantially coinciding with the source (10).
    • 用于投影光束的模块包括:光源(10),其上布置有源的基本平坦的支撑表面(20)和弯曲的反射表面(30),所述反射表面被分成多个反射 地区(31,32,33)。 多个反射区域包括至少一个区域(32,33),使得由该区域反射的光束的部分在垂直方向上基本准直,并且具有小于第一预定角度值±1的小水平散度 以及至少一个区域(31),其被设计成使得由该区域反射的光束的部分具有大于第二预定角度值±2的宽水平散度±。 具有宽水平发散的区域(31)具有与平坦支撑表面(20)平行的基本上椭圆形的水平横截面,其一个焦点(F1)基本上与源(10)重合,并且基本上抛物线的垂直横截面 具有基本上平行于平坦支撑表面(20)的轴线(zp),并且其焦点(F)基本上与源极(10)重合。