SYSTEMS AND METHODS FOR IDENTIFYING A BATTERY PACK FOR A BATTERY PACK POWERED POWER TOOL

Systems described herein include a battery pack including one or more battery cells and a first resistive element connected to a positive electrode of a first battery cell. The systems also include an external device capable of receiving the battery pack. The external device includes a second resist...

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Bibliographische Detailangaben
Hauptverfasser:	DYKSTRA, James, K, POLAKOWSKI, Matthew, R, SPAULDING, Andrew, J, BROZEK, Jeffrey, M, CHAO, Chien-Chih
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ELECTRICITY GENERATION HAND TOOLS MANIPULATORS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	Systems described herein include a battery pack including one or more battery cells and a first resistive element connected to a positive electrode of a first battery cell. The systems also include an external device capable of receiving the battery pack. The external device includes a second resistive element, a switch, and a controller. The second resistive element is configured to be in series with the first resistive element upon the battery pack being received within the external device. The switch is positioned in series with the second resistive element and a common potential is coupled to both the battery pack and the external device. The controller is configured to activate the switch, measure a voltage between the first resistive element and the second resistive element in response to the switch being activated, and determine an identification of the battery pack based on the measured voltage.