Failure modeling and management of an aerial light fixture

Failure modeling and management of an aerial light fixture

Light irradiation apparatus and optical fiber path used in the light irradiation apparatus

Dimming lampholder

Method for operating a high-pressure discharge lamp with a variable power

Three light level electronic ballast

Streetlight monitoring and control

AC voltage reduction by means of a transformer

SWITCH STATUS DETECTION CIRCUIT FOR MULTIPLE LIGHT LEVEL LIGHTING SYSTEMS

Multiple light level electronic power converter

VARIABLE-INDUCTOR ELECTRONIC BALLASTS

Radio Controlled Step Dimmer Control for Fluorescent Light Fixtures

DEVICE FOR REGULATING THE LUMINOUS INTENSITY IN FLUORESCENT LAMPS WITH AN ELECTROMAGNETIC REACTANCE AND A STARTER, AND LIGHTING SYSTEM WHICH COMPRISES SAID DEVICE

ELECTRONIC DEVICE FOR SWITCHING ON A FLUORESCENT LAMP AND FLUORESCENT LAMP WHICH COMPRISES SAID DEVICE

Intensity changing with reduced flicker for digitally-controlled lighting

CONTROL SYSTEMS

CONTROL SYSTEMS

CIRCUIT AND METHOD FOR DIMMING A LUMINOUS ELEMENT

Automatic calibration of an automated dimmer

Line synchronized electrical device and controlling method thereof

Method and system for luminance characterization

Method and apparatus for retrofitting HID lamps with system to periodically adjust operating wattage

ELECTRONIC BALLAST FOR A HIGH INTENSITY DISCHARGE LAMP

Sensing type control circuit for electronic apparatus

Fluorescent dimming ballast with improved efficiency

Electronic Operating Device and Method for the Incremental Dimming of a Lighting Device

ARRANGEMENT INCLUDING AN ELECTRONIC BALLAST AND DIMMING CONTROL APPARATUS CONNECTED THERETO, AND METHOD FOR OPERATING A LAMP

CIRCUIT ARRANGEMENT AND METHOD FOR PROGRESSIVELY DIMMING ONE OR MORE LIGHTING MEANS

System for Control of Ballast Illumination in Step Dimming and Continuous Dimming Modes

System for Field-Programmed Determination of Illumination Set Points in Ballasts

THREE-LEVEL DIMMING CIRCUIT FOR DISCHARGING LAMP

Electronic ballast with integral shutdown timer

Backlight driving method and display apparatus using the same

Streetlight monitoring and control

Load control module

Method and system for luminance characterization

Ballast control system for HID lamp using Zigbee

Method and apparatus and system for adjusting power to HID lamp to control level of light output and conserve energy (ballast multi-tap power output)

Intensity changing with reduced flicker for digitally-controlled lighting

Fluorescent lamp assembly having multiple settings and method

Automatic light dimmer for electronic and magnetic ballasts (fluorescent of HID)

Method and device for dimming lighting control devices to a predefined level

Discharge lighting bulbs control system

Method and apparatus for power control

Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications

Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life

Method and system for controlling a luminaire

Method and system for luminance characterization

Multi-lamp driver

Stepped dimming ballast for fluorescent lamps

Apparatus for power control in lighting systems

Fluorescent lamp assembly having multiple settings and method

Method and apparatus for retrofitting HID lamps with system to periodically adjust operating wattage

Energy efficient high intensity lighting fixture and method and system for efficient, effective, and energy saving high intensity lighting

Retro-fit method for improving longevity of arc lamps

Apparatus of driving light source for display device

Two light level ballast

Automatic light dimmer for electronic and magnetic ballasts (fluorescent or HID)

Liquid crystal display and control method thereof

Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life

Method and apparatus for dimming control of electronic ballasts

Voltage control system