DE20318860U1 2004-04-01 LED lamp integrated in fire-fighter's or police helmet, has LED unit with on-off switch and power supply and light-emitting diodes for illuminating sight direction of wearer DE20318949U1 2004-04-01 LED lamp incorporated in motorcycle helmet for ambient environment illumin...
Even though these high-visibility safety vests greatly improve the chance that a wearer of the vest will be seen by others, certain limitations still exist. First, a brightly colored vest may be adequate for certain applications when used in a well-lit environment, but the ability for a color...