Inventor

DAVENPORT JOHN M

US116 patents

⚠️ This page may combine multiple inventors who share the name “DAVENPORT JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAVENPORT JOHN M

GEN ELECTRIC

Lighting system for increasing brightness to a light guide

Double ended quartz lamp with end bend control

Collection optics for high brightness discharge light source

Fiber optic lighting system using conventional headlamp structures

Projection headlamp lighting system using a light conductor having stepped termination

Remote vehicle lighting system

Automobile lighting system that includes an exterior indicating device

Uniform illumination of large, thin surfaces particularly suited for automotive applications

Coupling means between a light source and a bundle of optical fibers and method of making such coupling means

Single arc discharge headlamp with light switch for high/low beam operation

Upper and lower beam optical switch for line-of-light headlamps using opaque masks

Metal halide lamp having vacuum shroud for improved performance

Forward illumination lighting system for vehicles

Lighting systems employing optical fibers

Patterned optical interference coatings for only a portion of a high intensity lamp envelope

Optical coupling system with bend

Optical coupling systems with bend

High efficiency dual output light source

Optical coupling assembly for use with a high brightness light source

Polygonal-shaped optical coupling member for use with a high brightness light source

Coupler apparatus for use with a high brightness light source

Centralized lighting system employing a high brightness light source

Optical multiplexed electrical distribution system particularly suited for vehicles

Optical control system particularly suited for infrequently activated devices

Tricolor lighting system

Patterned optical interference coatings for electric lamps

Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp

Optical coupling arrangement between a lamp and a light guide

UV Radiation-absorbing coatings and their use in lamps

Projection headlamp lighting system for projecting a wide spread controlled pattern of light

Projection headlamp system having direct optical coupling of light distribution elements with discharge arc light source

High brightness discharge light source

Xenon-metal halide lamp particularly suited for automotive applications

Acoustic resonance operation of xenon-metal halide lamps on unidirectional current

Acoustic resonance operation of xenon-metal halide lamps

Xenon-metal halide lamp particularly suited for automotive applications

Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple

Xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure

Ballast circuit for metal halide lamp

Metal vapor discharge lamps

Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such

Fluorescent lamp unit having ballast resistor

Projection headlamp lighting system using different diameter optical light conductors

FIBERSTARS INC

Efficient arrangement for coupling light between light source and light guide

Light pipe with side-light extraction

Efficient luminaire with directional side-light extraction

Optical coupler for coupling light between one and a plurality of light ports

ENERGY FOCUS INC

Efficient luminaire with directional side-light extraction

Fiberoptic luminaire with scattering and specular side-light extractor patterns

ADVANCED LIGHTING TECH INC

Efficient directional lighting system