Method and device for energy transfer
US-2024356370-A1 · Oct 24, 2024 · US
Wireless power feeding system
US9065302B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9065302-B2 |
| Application number | US-201113313503-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 7, 2011 |
| Priority date | Dec 24, 2010 |
| Publication date | Jun 23, 2015 |
| Grant date | Jun 23, 2015 |
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Abstract
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A wireless power feeding system includes a power feeding device and a power receiving device. The power feeding device includes a first resonance coil connected to a high-frequency power source through a first matching circuit, and a first control circuit connected to the first matching circuit and a first transmitter-receiver circuit. The power receiving device includes a second resonance coil configured to be in magnetic resonance with the first resonance coil, and a second control circuit connected to a load, a second matching circuit, and a second transmitter-receiver circuit.
First claim
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What is claimed is: 1. A wireless power feeding system comprising: a power feeding device comprising: a power source; a first antenna; a first transmitter-receiver circuit; a first resonance coil configured to transmit power from the power source; a first matching circuit operationally connected to the first resonance coil; and a first control circuit configured to change an impedance of the first matching circuit in accordance with an instruction received at the first…
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Frequently asked questions
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- What does patent US9065302B2 cover?
- A wireless power feeding system includes a power feeding device and a power receiving device. The power feeding device includes a first resonance coil connected to a high-frequency power source through a first matching circuit, and a first control circuit connected to the first matching circuit and a first transmitter-receiver circuit. The power receiving device includes a second resonance coil…
- Who is the assignee on this patent?
- Kamata Koichiro, Okano Shinya, Semiconductor Energy Lab
- What technology area does this patent fall under?
- Primary CPC classification H02J7/42. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 23 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).