Rechargeable battery pack capable of transmitting dynamic data a

Details Rechargeable battery pack capable of transmitting dynamic data a Rechargeable battery pack capable of transmitting dynamic data a

1998-10-26

2000-01-25

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Means to identify cell or battery type

320110, H01M 1046

Patent

active

060182288

ABSTRACT:
A battery charger with charging parameter values derived from communication with a battery pack to be charged. Communication is over a one-wire bus with battery pack transmissions in response to charger inquiries. The battery charger may be in the form an integrated circuit driving a power transistor or other controllable DC supply. A battery pack may contain a program with multiple charging currents and charging interval termination methods such as time, temperature rise, and incremental voltage polarity. A lack of communication may be invoke a default charging program or denial of access to the charger. The charger also communicates over a high-speed three-wire bus with an external computer for analysis of identification information acquired from the battery and for control of the charger.

REFERENCES:
patent: 4387334 (1983-06-01), Loper
patent: 4849682 (1989-07-01), Bauer et al.
patent: 4885523 (1989-12-01), Koenck
patent: 4965738 (1990-10-01), Bauer et al.
patent: 5206097 (1993-04-01), Burns et al.
patent: 5298346 (1994-03-01), Gyenes

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