Portable headlamp

Portable lantern with high speed rotatory beam

Portable light-emitting display device

Portable neon lighting system

Portable work light with optical fiber adapter

Portable, remote-controlled searchlight apparatus

Pressure-medium-actuated installation for adjusting the inclinat

Prism sheet for surface light source

Programmable Christmas tree

Projection apparatus

Projection headlamp lighting system using a light conductor havi

Projection headlamp lighting system using different diameter opt

Projection headlamp system having direct optical coupling of lig

Protective device with E.L. light means

Protective helmet with dual adjustment illumination means