Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Reexamination Certificate
2007-04-10
2007-04-10
Laxton, Gary L (Department: 2838)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
C320S136000
Reexamination Certificate
active
10874244
ABSTRACT:
A driving circuit is disclosed. The driving circuit comprises a secondary battery cell having a positive electrode and a negative electrode, first and second N-type field effect transistors each having a gate, a drain, and a source, first and second switching devices, connected between the gates of the first and second N-type field effect transistors and the negative electrode side of the secondary battery cell, for turning on and off the first and second N-type field effect transistors, driving means for controlling the first and second switching devices, first and second output terminals, and a diode having an anode and a cathode.
REFERENCES:
patent: 5789902 (1998-08-01), Abe et al.
patent: 6222346 (2001-04-01), Mori
patent: 6646422 (2003-11-01), Hogari et al.
patent: 6670790 (2003-12-01), Stellberger
patent: 2003-079058 (2003-03-01), None
Aita Takayuki
Enomoto Kenji
Nagai Tamiji
Yamazaki Kazuo
Kananen Ronald P.
Laxton Gary L
Rader & Fishman & Grauer, PLLC
Sony Corporation
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