Power supply arrangement

Details Power supply arrangement Power supply arrangement

1988-02-25

1989-08-15

Popek, Joseph A.

Static information storage and retrieval

Powering

Data preservation

365226, G11C 700

Patent

active

048581968

ABSTRACT:
A power supply arrangement (2) with a first controlled power output (12) and a second controlled output (26) also has a controlled backup output (16) which is connected by means of a buffered bus with several read/write memories (8) of a computer (4). The read/write memories (8) of the computer (4) can be switched over to a stand-by mode in case of a power failure and connected with a backup battery (20). In accordance with the invention, the read/write memories (8) are switched during normal network operation to an active operating mode connected by means of a low-impedance switch (34) with the controlled power output (12). The low-impedance switch (34) is controlled by means of a switching signal (U.sub.S1). The backup battery (20) is connected with the controlled backup output (16) via a second switch (46) and a series controller (48).

REFERENCES:
patent: 4122359 (1978-10-01), Breikss
patent: 4399524 (1983-08-01), Muguruma et al.
patent: 4422163 (1983-12-01), Oldenkamp
patent: 4531214 (1985-07-01), Torres et al.
patent: 4669066 (1987-05-01), Kagawa et al.

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