B61L5/1809 - CPC Classification

Local operating mechanisms for points or track-mounted scotch-blocks ; Visible or audible signals; Local operating mechanisms for visible or audible signals; Visible signals; Light signals; Mechanisms associated therewith, e.g. blinders Daylight signals

• B61L5/1818 » {using mobile coloured screen} 2
• B61L5/1827 » {using light sources of different colours and a common optical system} 8
• B61L5/1836 » {using light sources of different colours and seperate optical systems} 2
• B61L5/1845 » {Optical systems, lenses} 13
• B61L5/1854 » {Mounting and focussing of the light source in a lamp, fixing means } 9
• B61L5/1863 » {Lamp mountings on a mast} 11
• B61L5/1872 » {Mobile mounting arrangements on a mast; Arrangements for hoisting of the lamp along the mast} 6
• B61L5/1881 » {Wiring diagrams for power supply, control or testing} 41

Recent Application in this class: