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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0279004 (1994-07-22) |
| 우선권정보 | JP-0204581 (1993-07-26) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 381 인용 특허 : 0 |
The induction charging apparatus has a power source unit and a device unit which can be detachably coupled to the power source unit. The power source unit has a first casing having one end opened, a primary coil provided in the first casing, an oscillator for supplying an alternating current to the
The induction charging apparatus has a power source unit and a device unit which can be detachably coupled to the power source unit. The power source unit has a first casing having one end opened, a primary coil provided in the first casing, an oscillator for supplying an alternating current to the primary coil to generate magnetic fluxes, and a depressible member movably provided and closing the open end of the first casing. The depressible member is movable between a lift position at which the magnetic fluxes are substantially located under the depressible member, and a depressed position at which portions of the magnetic fluxes are substantially located over the depressible member. The device unit has a second casing having one end detachable to the open end of the first casing, a secondary coil provided in the second casing and adjacent to the one end, and rechargeable battery provided in said second casing for receiving power from the secondary coil. When the second casing is attached to the first casing, the depressible member is moved to the depressed position to electromagnetically couple the primary and secondary coils.
An induction charging apparatus having a power source unit and a device unit detachable from said power source unit, said induction charging apparatus comprising: said power source unit comprising: a first casing having one end opened; a primary coil provided in said first casing; oscillator means p
An induction charging apparatus having a power source unit and a device unit detachable from said power source unit, said induction charging apparatus comprising: said power source unit comprising: a first casing having one end opened; a primary coil provided in said first casing; oscillator means provided in said first casing for supplying an alternating current powered by a commercial alternating current power source to said primary coil to generate magnetic fluxes; and a depressible member movably provided and closing said open end of said first casing, said depressible member movable between a lift position at which said magnetic fluxes are substantially located under said depressible member and inside said first casing, and a depressed position at which portions of said magnetic fluxes are substantially located over said depressible member and outside said first casing; said device unit comprising: a second casing having one end detachable to said open end of said first casing; a secondary coil provided in said second casing and adjacent to said one end; and load means provided in said second casing for receiving power from said secondary coil, whereby when said second casing is attached to said first casing with said depressible member being moved to said depressed position, said primary and secondary coils are coupled to link said magnetic fluxes from said primary coil to said secondary coil, and when said second casing is detached, said depressible member is moved to said lift position to prevent the leakage of said magnetic fluxes.
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