Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1990-12-11
1993-06-29
Pellinen, A. D.
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
307 66, 371 66, H02J 904
Patent
active
052237486
ABSTRACT:
Battery monitor (100) with a transient pull down (172) for backup batteries which is active during power up and prevents the feedthrough charging of low or dead batteries causing a spurious power fail indication.
REFERENCES:
patent: 4383184 (1983-05-01), McFarland
patent: 4486689 (1984-12-01), Davis et al.
patent: 4587640 (1986-05-01), Saitoh
patent: 4673823 (1987-06-01), Masson
patent: 4730121 (1988-03-01), Lee et al.
patent: 5073837 (1991-12-01), Baek
Dias Donald R.
Kurkowski Hal
Mumper Eric W.
Dallas Semiconductor Corp.
Elms Richard T.
Pellinen A. D.
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