Electricity: battery or capacitor charging or discharging – Battery or cell charging – With detection of current or voltage amplitude
Reexamination Certificate
2011-04-12
2011-04-12
Tso, Edward (Department: 2858)
Electricity: battery or capacitor charging or discharging
Battery or cell charging
With detection of current or voltage amplitude
C320S108000, C320S155000, C320S160000, C340S003310, C340S636100, C340S636120, C340S644000, C307S112000, C361S139000
Reexamination Certificate
active
07923971
ABSTRACT:
The object is to provide a safe non-contact electric power transmission apparatus reducing unnecessarily consumed electric power, while intermittently-operated or otherwise restrained electric power transmission is not performed, and heat is not generated when a metal such as a foreign object is placed. In a non-contact electric power transmission apparatus having: a power supplying unit10main body containing a power supplying coil L1for non-contact electric power transmission; a power receiving unit50containing a power receiving coil L50for non-contact electric power transmission; and a supporting base20for detachably mounting the power receiving unit50, formed in a portion of the power supplying unit10main body, electric power being transmitted from the power supplying coil L1to the power receiving coil L50in a non-contact manner using electromagnetic induction, the power receiving unit50has a modulation circuit52which outputs a recognition signal upon receiving electric power from the power supplying coil L1at the power receiving coil L50, and the power supplying unit10has a electric power transmitting circuit1, a control circuit2, detecting means3, a demodulation circuit4, a recognition circuit5, and a timer circuit6.
REFERENCES:
patent: 5698963 (1997-12-01), Seong et al.
patent: 6028413 (2000-02-01), Brockmann
patent: 6295002 (2001-09-01), Fukuda
patent: 6323775 (2001-11-01), Hansson
patent: 2005/0162125 (2005-07-01), Yu et al.
patent: 06-311658 (1994-11-01), None
patent: 2000-037047 (2000-02-01), None
Fantu Yalkew
Renner Kenner Greive Bobak Taylor & Weber
Toko Inc.
Tso Edward
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