Flat power coil for wireless charging applications
US-9225392-B2 · Dec 29, 2015 · US
US2019326767A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2019326767-A1 |
| Application number | US-201815955767-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 18, 2018 |
| Priority date | Apr 10, 2018 |
| Publication date | Oct 24, 2019 |
| Grant date | — |
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Official abstract text for this publication.
An adjustable wireless charging device is provided, comprising: a carrier seat, a first support unit, a second support unit, and a wireless charging module; wherein the first support unit is pivotally connected to the carrier seat, the first support unit is disposed with a retractable arm, the first support unit is pivotally connected to back of the second support unit with the retractable arm; the second support unit has a placement surface; the wireless charging module is disposed inside the second support unit, and the wireless charging module is located at a position corresponding to the placement surface, the carrier seat further comprises a protruding stopper. As such, the regardless the posture the portable electronic device is placed on the present invention, the placement surface can be adjusted to be in complete contact with the portable electronic device to achieve good charging effect.
Opening claim text (preview).
What is claimed is: 1 . An adjustable wireless charging device, comprising: a carrier seat, a first support unit, a second support unit, and a wireless charging module; wherein the first support unit being pivotally connected to the carrier seat, the first support unit being disposed with a retractable arm, the first support unit being pivotally connected to back of the second support unit with the retractable arm; the second support unit having a placement surface; the wireless charging module being disposed inside the second support unit, and the wireless charging module being located at a position corresponding to the placement surface, the carrier seat further comprising a protruding stopper. 2 . The adjustable wireless charging device as claimed in claim 1 , wherein the carrier seat is disposed with a concave accommodating groove, the accommodating groove has a shape matching the retractable arm; when the first support unit and the second support unit are arranged to lay side by side flatly on the carrier seat, the retractable arm is inside the accommodating groove. 3 . The adjustable wireless charging device as claimed in claim 1 , wherein the retractable arm comprises an outer tube and an inner insertion element; the inner insertion element is inside the outer tube, able to move linearly to adjust extension length; the first support unit is pivotally connected to the carrier seat through the outer tube and to the second support unit through the inner insertion element, respectively. 4 . The adjustable wireless charging device as claimed in claim 3 , wherein the outer tube has a rectangular cross-section, the inner insertion element has a flat shape; the inner insertion element has a tooth rack, the outer tube is disposed with an elastic tooth at a corresponding position inside the tube; the elastic tooth is engaged with the rack; the outer tube is disposed with two longitudinal slots at place where the elastic tooth is located so that the elastic tooth has an elastic deformation capable of moving for a short distance. 5 . The adjustable wireless charging device as claimed in claim 3 , wherein the inner insertion element is further disposed with a protruding latch block, the outer tube is disposed with at least a limiting groove for the latch block to move inside but unable to disengage. 6 . The adjustable wireless charging device as claimed in claim 1 , wherein the carrier seat has a flat shape, having two ends, with one end pivotally connected to the first support unit and the other protruding to form the stopper. 7 . The adjustable wireless charging device as claimed in claim 1 , wherein the stopper has a surface made of an anti-slippery material.
allowing pivoting · CPC title
using inductive coupling · CPC title
Portable electronic devices · CPC title
specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence) · CPC title
around a horizontal axis {(F16M11/12 takes precedence)} · CPC title
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