Electronic apparatus with replaceable power source

Details Electronic apparatus with replaceable power source Electronic apparatus with replaceable power source

1986-06-25

1989-04-18

Hecker, Stuart N.

Static information storage and retrieval

Powering

Data preservation

365229, G11C 1140, H02J 906

Patent

active

048233234

ABSTRACT:
An electronic apparatus comprises a random access memory, a central processing unit which supplies a write/read signal to the random access memory to control the input/output of data of the random access memory, a replaceable power source for feeding the central processing unit, and a switch for isolating the random access memory from the write or read signal output from the central processing unit when the power source is replaced.

REFERENCES:
patent: 3859638 (1975-01-01), Hume, Jr.
patent: 4461003 (1984-07-01), Tamaki
patent: 4672585 (1987-06-01), Nollet
patent: 4715016 (1987-12-01), Lamiaux et al.
patent: 4730121 (1988-03-01), Lee et al.
"Spannungsuberwachungsschaltkreis", Elektronik-Applikation, eee, Issue 5, Mar. 13, 1984, pp. 53-56, 58.

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