Patent ID: 11914192
Assignee: nan
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. A remote indicator system according to claim 1 wherein the first end of the fibre optic cable is aligned with the first light source and the manual switching means comprises a manually moveable shutter positioned between the first light source and the first end of the end-emitting fibre optic cable, the shutter having at least one aperture, wherein the shutter has at least two positions: a first position in which the aperture is substantially aligned with the first light source and light from the first light source passes into the first end of the end-emitting fibre optic cable, and a second position in which the aperture unaligned with the first light source and the shutter prevents light from the first light source passing into the first end of the end-emitting fibre optic cable.