Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Reexamination Certificate
2007-07-31
2007-07-31
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific quantity comparison means
C361S084000
Reexamination Certificate
active
10881624
ABSTRACT:
A circuit for protecting a battery includes an n-well formed within a p substrate. A p-type resistor is formed with in the n well and has a connection to the battery. An n+ ring is also formed in the n well and substantially surrounds the p-type resistor.
REFERENCES:
patent: 3829709 (1974-08-01), Maigret et al.
patent: 5783964 (1998-07-01), Eitan
patent: 6060788 (2000-05-01), Carlson et al.
Howison & Arnott , L.L.P.
Jackson Stephen W.
Patel Dharti H.
Silicon Labs CP Inc.
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