| 摘要 |
1293269 Vehicle instrument assemblies FORD MOTOR CO Ltd 12 June 1970 28570/70 Heading B7H [Also in Divisions G1 and G5] A motor vehicle instrument assembly 10 is illuminated by a bulb 21 mounted in a bulb holder 22 within an opaque casing 23. A painted or roughened area 25 on the front surface of a transparent panel 12 of acrylic plastics material scatters light into the panel, such that it travels along the panel by successive total internal reflections to illuminate instrument markings 20 of white paint. The pointers of the instruments may be illuminated as described in Specification 1,293,268. |
