Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1995-10-31
1997-11-04
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 15, 320 35, H01M 1044, H01M 1046
Patent
active
056843844
ABSTRACT:
A device (100) includes detachable main and auxiliary batteries (101, 102) and a circuit (310) for discharging and charging the batteries (101, 102). Discharging is accomplished by an auxiliary switch (420) that connects the auxiliary battery (102) to power the device (100), a detector (422), and a main switch (424) that connects the main battery (101) to power the device (100), without interruption, when the auxiliary battery (102) drops below a predetermined voltage (508) as determined by a detector (422). Charging is performed by switches (440, 442, 446), an internal charger (444), and a controller (306). When both batteries (101, 102) are attached, the controller (306) uses the switches (440, 442, 446) to select and couple charging current generated by the internal charger (444) to the main battery (101). Once charged, the controller (306) switches to charge the auxiliary battery (102).
REFERENCES:
patent: 4323788 (1982-04-01), Smith
patent: 4908523 (1990-03-01), Snowden et al.
patent: 5028859 (1991-07-01), Johnson et al.
patent: 5182699 (1993-01-01), Kobayashi et al.
patent: 5270946 (1993-12-01), Shibasaki et al.
patent: 5272598 (1993-12-01), Kobayashi et al.
patent: 5359318 (1994-10-01), Asai et al.
patent: 5387858 (1995-02-01), Bender et al.
patent: 5477123 (1995-12-01), Allen et al.
patent: 5525888 (1996-06-01), Toya
patent: 5568038 (1996-10-01), Tatsumi
Barkat Shakil H.
Mottier Matthew D.
Ng Richard
King John J.
Law Patrick B.
Motorola Inc.
Patrick Mark D.
Wong Peter S.
LandOfFree
Apparatus and method for discharging and charging a multiple bat does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for discharging and charging a multiple bat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for discharging and charging a multiple bat will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1835674