Noncontact charging device, charger, cordless electric equipment, and noncontact charger
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Jul 3, 1997
filing date -
Jul 3, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Capacitors are connected in parallel to a primary side induction coil in a charger 1 and a secondary side induction coil in a cordless equipment (handset unit) respectively, and LC parallel resonance circuits are formed in the charger and the cordless equipment respectively with this parallel connection. Each of the primary side induction coil and secondary side induction coil is formed with a sheet coil, and the sheet coils are arranged and fixed in the charger and the cordless equipment respectively so that the sheet coils face to each other with a prespecified gap in the charging state where the cordless equipment has been set in the charger.
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