Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-05-03
2005-05-03
Hofsass, Jeffery (Department: 2636)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S636100, C340S636120, C320S132000, C320S134000, C320S136000, C361S023000
Reexamination Certificate
active
06888468
ABSTRACT:
A battery discharge indicator for protecting a storage battery is provided. The battery discharge indicator includes a positive connector that can couple to a positive terminal of the battery and a negative connector that can couple to a negative terminal of the battery. Also included, is a voltage sensor that couples to the battery via the positive connector and the negative connector and senses a battery terminal voltage. A microprocessor, coupled to the voltage sensor, provides a first alarm signal if a magnitude of the battery terminal voltage is below a first threshold for a first interval of time and if the magnitude of the battery terminal voltage is below a second threshold for a second interval of time.
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Hofsass Jeffery
Midtronics Inc.
Pham Lam
Westman Champlin & Kelly
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