D-c to d-c converter circuit

Data compression method and apparatus

Data inserting device for camera

Data printer for a camera

DC powered microwave discharge in an electrodeless light source

DC-AC converter for igniting and supplying a discharge lamp

DC-AC inverter for supplying a discharge lamp

DC-DC converter having protective function of over-voltage...

DC-DC converter having protective function of over-voltage...

Dead-time-modulated synchronous PWM controller for dimmable...

Deep UV lamp bulb

Device for controlling the amount of emission of electronic flas

Device for driving lamps

Device for driving lamps

Device for driving light source module

Device for lighting discharge lamp

Device for operating a dielectric barrier discharge lamp

Device for operating a gas-discharge lamp

Device for operating discharge lamps

Device for operation of a discharge lamp