233267 ⎘
Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices; Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
Isolated voltage detection with current limiters
#2Error detection on integrated circuit input/output pins
#3Power supply apparatus that outputs voltage supplied to load
#4Method for controlling time sharing starting of electronic ballasts and delayed-started electronic ballast
#5Light emitting diode driving chip having eight or six pins, driving system using the light emitting diode driving chip, and related method thereof
#6Detection of interconnected outputs
#7Modifying duty cycles of PWM drive signals to compensate for LED driver mismatches in a multi-channel LED system
#8Surge protection circuit, switching power supply, and surge protection method
#9Lamp assembly and circuits for protection against miswiring in a lamp controller
#10SYSTEMS AND METHOD FOR ADAPTIVE MONITORING AND OPERATING OF ELECTRONIC BALLASTS
#11LIGHTING DEVICE AND LUMINAIRE
#12Passive anti-arcing protection device for fluorescent lamp ballast
#13Lighting tester
#14Multiple Failure Detection Shutdown Protection Circuit for an Electronic Ballast
#15Multiple failure detection shutdown protection circuit for an electronic ballast
#16Circuit arrangement and method for operating discharge lamps
#17Ballast and ballast control method and apparatus, for example anti-arcing control for electronic ballast
#18Method for driving a fluorescent lamp, and lamp ballast
#19Discharge lamp lighting apparatus
#20Lamp-lighting apparatus
#21Safety circuit for electro-luminescent lamp ballast
#22TROUBLE DETECTING CIRCUIT
#23Battery-powered fluorescent lamp
#24Discharge lamp lighting apparatus
#25DC-AC converter, controller IC therefor, and electronic apparatus utilizing such DC-AC converter
#26Load Driving apparatus
#27Risk of shock protection circuit
#28Thermal foldback for linear fluorescent lamp ballasts
#29Ballast control IC with minimal internal and external components
#30Method and circuit for driving gas discharge lamps using a single inverter
#31Protection device for discharge lamp inverter
#32Image forming apparatus to detect a power malfunction and control method thereof
#33Method and apparatus for fault detection scheme for cold cathode fluorescent lamp (CCFL) integrated circuits
#34Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same
#35Ballast with arc protection circuit
#36Insulation detection power supply and electronic ballast
#37Method for detecting lamp current and lamp driving circuit using the method for detecting the lamp current
#38Backlight module and digital programmable control circuit thereof
#39Safety circuit for electro-luminescent lamp ballast
#40DC-AC converter, controller IC therefor, and electronic apparatus utilizing such DC-AC converter
#41Inverter system and detecting device thereof
#42Discharge lamp lighting apparatus
#43Inverter system
#44Anomaly detection in inverter system
#45Time control circuit for backlight inverter
#46Smoothing circuit for improving EMC
#47Apparatus for safely connecting the lamp to the equipment voltage ground
#48Lamp-lighting apparatus
#49Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same
#50Back light driving device
#51Multiple failure detection shutdown protection circuit for an electronic ballast
#52Backlight module for reducing interference
#53Fluorescent ballast controller IC
#54Apparatus for driving lamp of liquid crystal display device
#55Display device and driving device of light source for display device
#56Ballast with circuit for detecting and eliminating an arc condition
#57Ballast with output ground-fault protection
#58Method for protecting a ballast from an output ground-fault condition
#59Lossless circuit for sampling of lamp voltage
#60Electronic ballast with lossless snubber capacitor circuit
#61Electronic ballast with open circuit voltage control and cable compensation
#62Multiple failure detection shutdown protection circuit for an electronic ballast
#63Power supply apparatus and method of controlling the same
#64Ballast control IC with minimal internal and external components
#65Discharge tube lighting transformer with protective circuit against non-grounding of ground terminal
#66Isolated digital control device for LED driver using NFC technology
#67Surge protection system and method for an LED driver
#68Method to detect uneven AC load or parallel load removal