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    • 8. 发明公开
    • LICHTMODULATOR MIT PHOTOCHROMER SCHICHT
    • 光致变色层的光调制器
    • EP1097399A1
    • 2001-05-09
    • EP99936548.9
    • 1999-07-15
    • HAMPP, Norbert
    • HAMPP, Norbert
    • G02F1/01
    • G02F1/0126
    • The invention relates to a light modulator (1) comprising a photochromic layer (15) which can be optically activated by a control light and which is provided for modulating signal light. The inventive light modulator (1) also comprises at least one optically transparent substrate (13) for the photochromic layer (15), and has at least one filter layer (14) which reflects the control light in a wavelength-selective manner. The filter layer is provided in order to reflect back control light which has penetrated the photochromic layer (15). The reflective filter layer (14) provides that the control light is efficiently utilized for the photochemical conversion (photoconversion) of the photochromic materials, as the control light passes through the photochromic layer (15) twice. In addition, the reflective filter layer (14) carries out the function of separating the control light from the modulated signal light so that the modulated signal light can be evaluated without a significant interference caused by the control light.
    • 10. 发明公开
    • BRILLE
    • 眼镜
    • EP1049434A1
    • 2000-11-08
    • EP99923523.7
    • 1999-05-04
    • Alfertshofer, Franz
    • Alfertshofer, Franz
    • A61F9/02G02C1/04
    • A61F9/025
    • The invention relates to a pair of spectacles, especially spectacles for use when playing sports and/or during leisure activities, such as sun glasses. The spectacles comprise a vision unit (1) and a retaining system (5) for keeping the vision unit laterally on the head and/or the nose of the wearer. The retaining system is or can be interlocked with the vision unit. According to the invention the retaining system has a separate left-hand retaining element (5) and a separate right-hand retaining element and/or a separate central retaining element, which are each assigned to a section of the vision unit. Each retaining element comprises at least one upper (5b) and at least one lower (5c) contact member which engages or can engage corresponding contact members (3, 4) in a positive manner. At least one contact member is a detent member (5c, 5d) and at least one corresponding contact member is a corresponding detent member (3, 4). Members assigned to each other are or can be interlocked with each other.