Power circuit for electronic timepiece

Power control device

Power control device

Power converter

Power converter apparatus for a discharge lamp

Power source device

Power source inverter circuit

Power supply

Power supply apparatus including charge-pump type step-up...

Power supply apparatus, method of controlling the apparatus,...

Power supply circuit and portable device

Power supply circuit for selectively supplying normal read volta

Power supply for an AF sound output stage

Power supply for producing excitation voltage for an x-ray tube

Power supply with integrated concentric high voltage multiplier

Power unit for generating discharge shock waves

Practical structure for making a multilevel converter

Processes, device for producing a high voltage and installation

Progressive start-up charge pump and method therefor

Pulse width modulated charge pump