A power supply control is disclosed which performs in conjunction with an a.c. source as may be provided by a utility line input. This line input is directed through a converter which reflects or mirrors an a.c. signal into the line input mimicing it in all aspects except that of amplitude. The opposite...http://www.google.fr/patents/US4719550?utm_source=gb-gplus-shareBrevet US4719550 - Uninterruptible power supply with energy conversion and enhancement
Uninterruptible power supply with energy conversion and enhancement
