A recently filed patent (Publication Number: US20230307946A1) describes an emergency lighting unit that is designed to supply power to an emergency lighting module. The unit includes mains supply ...

Charge pump circuits represent a pivotal technology in modern power management systems, utilising capacitors switched at high frequencies to convert a low input voltage into a higher, regulated output ...

O2Micro International Limited was issued 31 claims under United States patent number 7,999,516 for its Battery Charging circuits and methods; a continuation of the invention issued July 2010 under ...

A new type of battery combines negative capacitance and negative resistance within the same cell, allowing the cell to self-charge without losing energy, which has important implications for long-term ...