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    • 1. 发明申请
    • SIGNAL LIGHT ASSEMBLY
    • US20210206404A1
    • 2021-07-08
    • US17056955
    • 2018-06-18
    • Siemens Mobility, Inc.
    • Richard C. Bohme
    • B61L5/18G02B3/08G08G1/095
    • A signal light assembly is provided that comprises a multi-position Fresnel lens having a circumference, a first side and a second side. The signal light assembly further comprises a main housing configured to attach to the multi-position Fresnel lens. The multi-position Fresnel lens includes a first plurality of pads and a second plurality of pads on the first side of the multi-position Fresnel lens such that the first plurality of pads and the second plurality of pads are different and alternatively disposed. The first plurality of pads corresponds to a first range operation related to a first focal length. The second plurality of pads corresponds to a second range operation related to a second focal length. The multi-position Fresnel lens is disposed in a first position corresponding to the first range operation or in a second position corresponding to the second range operation based on the use of either the first plurality of pads or the second plurality of pads for assembly between the main housing and the multi-position Fresnel lens.