Gte Products Corporation

Gte Sylvania Incorporated

Lawrence R Fraley

Andre C Bouchard

Arnold E Westlund, Jr

Projection lamp reflector

An improved projection lamp unit including a glass reflector having a concave reflecting surface and a tungsten halogen lamp positioned within the concavity of the reflector. The concave reflecting surface of the reflector is provided with alternately disposed radially extending regions including a series of specular stripes in combination with alternately spaced regions of facets. Preferably four or five stripes and an associated four or five facet regions are provided.

Projection lamp unit

An electrically-activated photoflash lamp which includes a thin member (e.g. a mica disk) therein located between the lamp's combustible shreds and primer material. The disk prevents the shreds from contacting the primer material and any portions of the lamp's electrical conductors which have access to the interior of the envelope. A method of making the lamp is also provided.

Photoflash lamp and method of making

A flashlamp signal device which includes an illumination means for providing a prolonged, visible signal after actuation of each of the device's flashlamps. The illumination means may be in the form of a phosphor coating within the device or on an adjacent, movable panel, or the phosphor may be impregnated within the light-transmitting housing or support structure of the device.

Growing community of inventors

Ipswich, MA, United States of America

Lawrence R Fraley