Title:
BACK-UP POWER SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/1988/002191
Kind Code:
A1
Abstract:
A back-up power source device comprises a primary cell (2) and a secondary cell (3) that are connected in parallel with an external power source (Vcc) which supplies electric power to a system (1). The secondary cell (3) is charged by the external power source (Vcc) and produces an electromotive force greater than that of the primary cell (2). The device is effective in backing up a battery of, e.g., C-MOS memories.
Inventors:
INOUE MICHIYA (JP)
Application Number:
PCT/JP1987/000644
Publication Date:
March 24, 1988
Filing Date:
August 31, 1987
Export Citation:
Assignee:
FANUC LTD (JP)
International Classes:
G06F1/26; G06F1/28; G06F1/30; G11C5/14; H02J9/06; (IPC1-7): H02J9/06
Foreign References:
| JPS5722253Y2 | 1982-05-14 |
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