UN-INTERRUPTED POWER SUPPLY SYSTEM OF DIMENSIONS SIMILAR TO A FIVE-AND-A-QUARTER INCH FLOPPY DISK OR CD-ROM DRIVE BUILT INTO A COMPUTER

摘要

This novel system of uninterrupted power supply protects the computer from variations of the mains voltage, and furthermore provides some time of operation from battery, so that in case of interruption of the mains voltage, the computer is safely switched off.