Rechargeable battery pack onboard charge state indication methods and apparatus

Battery pack for use with a portable device, including colored LEDs for presenting a high granularity battery charge state, are disclosed. One embodiment includes a red and a green LED, wherein solid and blinking patterns are presented by the LEDs to correspond to a relative battery charge state. Ot...

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Bibliographische Detailangaben
Hauptverfasser:	Olsson, Mark S, Warren, Alexander L
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Battery pack for use with a portable device, including colored LEDs for presenting a high granularity battery charge state, are disclosed. One embodiment includes a red and a green LED, wherein solid and blinking patterns are presented by the LEDs to correspond to a relative battery charge state. Other battery state indications, such as failure states, may also be presented on the colored LEDs.