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US 2022/0069626 A1Published application
Enclosure Wireless Charging
AssigneeSTMicroelectronics Design and Application S.R.O.
InventorTomas Teply
Life of this patent
Estimating the term…
Abstract
A system and method for wireless charging a wireless earbud. The wireless earbud having a body that includes a passive magnetic shield and a coil. The coil is wound around a portion of the body comprising the passive magnetic shielding. The wireless earbud receiving wireless energy in response to the placement of the body within an electromagnetic field, which results in the charging of a battery of the wireless earbud.
Claims20
A method comprising:
- having a wireless earbud comprising a body, the body comprising passive magnetic shielding and a coil, the coil being wound around a portion of the body comprising the passive magnetic shielding;
- receiving, by the coil, wireless energy in response to a placement of the body within an electromagnetic field;
- and
- charging a battery of the wireless earbud in response to receiving the wireless energy.
1 more element
A wireless earbud, comprising:
- a body configured to shield electromagnetic fields;
- a coil wound around the body;
- and
- a circuit configured to receive a signal from an external source, the signal used to generate audio, the circuit powered by a battery coupled to the coil, the battery configured to wirelessly charge in accordance with a placement of the body of the wireless earbud within an electromagnetic field.
1 more element
A wireless power system comprising:
- an enclosure, comprising:
- a housing having:
- a receptacle for holding a receiving device, and
- a plate having a gap, the plate configured to shield electromagnetic fields, and
- a first circuit configured to:
- receive wireless energy in a first mode corresponding to a first electromagnetic field generated by an external device, and
- transmit wireless energy in a second mode corresponding to a second electromagnetic field generated by the first circuit;
- and
- the receiving device, comprising:
- a body configured to shield electromagnetic fields,
- a coil surrounding the body, and
- a second circuit configured to receive wireless energy in accordance with the first electromagnetic field and the second electromagnetic field, the receiving in response to a placement of the receiving device in the gap of the plate.
9 more elements
Dependencies are inferred from the claim text.