Physical key to facilitate an inactive mode state-of-charge...

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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C340S636120, C340S636150, C340S636200, C320S107000, C320S116000, C320S124000, C320S137000, C320S166000, C324S425000, C324S426000, C324S427000, C324S428000

Reexamination Certificate

active

07868777

ABSTRACT:
The invention provides a system and battery including a state-of-charge indicator (SOCI) to monitor and display the amount of charge within the battery. The SOCI is capable of operating in a hibernate mode, an active mode, and/or a sleep mode. The battery may be manufactured, shipped and/or stored with the SOCI operating in a power-saving hibernate mode. The SOCI may exit the hibernate mode and begin operating in active mode if a physical key connected to the battery is removed. In addition, the SOCI may operate in a sleep mode while the battery is not being used to conserve power. Furthermore, the invention provides a method of making a battery including a SOCI to monitor and display the state of charge of the battery.

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