Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh

Alfred Wacker

Dieter Hofmann

Helmut Grahmann

The lamp has a pinch seal which surrounds a mounting structure carrying l-in wires of the filament;

Electric lamp with an envelope seal designed as pinch seal, and a device

A compact multiflash unit that contains a plurality of flashlamps, which mounted on a base member along with reflector members, is provided with a protective plastic cover having light-controlling prisms molded into its side walls. The prisms are so oriented and profiled that they serve as integral optical elements which direct the light rays from the 'fired' lamps toward the scene being photographed, thereby compensating for the lateral spreading of the light rays produced by the shortened reflector members.

Growing community of inventors

Friedberg, Germany

Alfred Wacker