Power transmission device, method for manufacturing the same, power reception device and method for manufacturing the same
US-2017237295-A1 · Aug 17, 2017 · US
Wireless power transmitting apparatus
US2016141884A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016141884-A1 |
| Application number | US-201414900770-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 30, 2014 |
| Priority date | Jul 1, 2013 |
| Publication date | May 19, 2016 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A wireless power transmitter according to one exemplary embodiment of the present disclosure includes a body having a transmitting coil unit embedded therein, and having one surface with a portable electronic device located thereon, the portable electronic device receiving power from the transmitting coil unit in a wireless manner, and a driving unit that is configured to rotate the transmitting coil unit centering on a shaft penetrating through the transmitting coil unit, such that the transmitting coil unit is moved close to a receiving coil unit of the portable electronic device.
First claim
Opening claim text (preview).
1 . A wireless power transmitter comprising: a body having a transmitting coil unit embedded therein, and having one surface with a portable electronic device located thereon, the portable electronic device receiving power from the transmitting coil unit in a wireless manner; and a driving unit that is configured to rotate the transmitting coil unit centering on a shaft penetrating through the transmitting coil unit, such that the transmitting coil unit is moved close to a receiving coil unit of the portable electronic device. 2 . The wireless power transmitter of claim 1 , further comprising a sensing unit that is configured to sense a position of the receiving coil unit. 3 . The wireless power transmitter of claim 2 , wherein the sensing unit comprises: a substrate having one surface divided into a plurality of areas; and sensing coils disposed on the areas, respectively. 4 . The wireless power transmitter of claim 3 , further comprising a controller that is configured to transmit a control signal to the driving unit based on a signal received from each of the sensing coils. 5 . The wireless power transmitter of claim 4 , wherein the controller transmits the control signal to the driving unit at a preset time interval based on the signal received from each of the sensing coils to maintain charging efficiency more than a predetermined level. 6 . The wireless power transmitter of claim 1 , wherein the body further comprises a display configured to output a level of charging efficiency. 7 . The wireless power transmitter of claim 1 , wherein the shaft comprises a cavity, through which a conducting wire is inserted, the conducting wire connecting the transmitting coil unit and an inverter to each other. 8 . The wireless power transmitter of claim 1 , wherein the body has at least part formed transparent such that the transmitting coil unit is visible therethrough. 9 . The wireless power transmitter of claim 1 , wherein the shaft is located at a position spaced from a center of the transmitting coil unit. 10 . The wireless power transmitter of claim 9 , wherein the transmitting coil unit has a cross-section in an oval shape. 11 . The wireless power transmitter of claim 1 , further comprising a first coil connected to an inverter, wherein the transmitting coil unit comprises a second coil receiving induced power from the first coil. 12 . The wireless power transmitter of claim 1 , wherein the transmitting coil unit is configured in such a manner that an impedance value thereof is changed according to positions of the receiving coil unit and the transmitting coil unit, and wherein the transmitter further comprises a controller that is configured to transmit a control signal to the driving unit such that the impedance value is present within a preset range.
Assignees
Inventors
Classifications
against overvoltage · CPC title
against overcurrent · CPC title
- H02J50/12Primary
of the resonant type · CPC title
- H02J50/90Primary
involving detection or optimisation of position, e.g. alignment · CPC title
involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices · CPC title
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Frequently asked questions
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- What does patent US2016141884A1 cover?
- A wireless power transmitter according to one exemplary embodiment of the present disclosure includes a body having a transmitting coil unit embedded therein, and having one surface with a portable electronic device located thereon, the portable electronic device receiving power from the transmitting coil unit in a wireless manner, and a driving unit that is configured to rotate the transmittin…
- Who is the assignee on this patent?
- Lg Electronics Inc
- What technology area does this patent fall under?
- Primary CPC classification H02J50/12. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu May 19 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).