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Battery charging and monitoring system

  • US 5,349,282 A
  • Filed: 04/23/1991
  • Issued: 09/20/1994
  • Est. Priority Date: 12/11/1990
  • Status: Expired due to Term
First Claim
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1. A rechargeable battery pack comprising:

  • housing means, battery means disposed within said housing means and providing a pair of battery terminals, terminal means on said housing means for connecting said pair of battery terminals to a load and to a charging current source, monitoring means within said housing means connected to said pair of battery terminals and operative to monitor operation of said battery means to determine the state of charge of said battery means, data output terminal means on said housing means, and transmitting means associated with said monitoring means for transmitting through said data output terminal means digital data indicating the state of charge of said battery means, further including charge done output terminal means on said housing means, and transmitting means associated with said monitoring means for transmitting through said charge done output terminal means a signal indicating a full state of charge of said battery means.

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