Inductively chargeable audio devices
View Patent ↗An inductively enabled audio speaker is disclosed configured to receive power inductively from an inductive power outlet. The audio speaker device has a voice coil which, as well as being able to produce an audible output, is further configured to function as a secondary inductor to inductively couple with a primary inductor. The inductively enabled audio speaker may be used to power an electrical device such as a Bluetooth earpiece, a telephone or the like.
1. A speaker device comprising a voice coil conductively connected to a switching unit, said voice coil to convert an electrical signal from an audio device into an audible output, and the voice coil is further selectively inductively couplable to a primary inductor to provide power to the audio device;
wherein
said switching unit is configured to selectively disconnect the voice coil from an audio signal input and to connect the voice coil to a charger output, for conductively connecting said voice coil to a power cell via a rectification unit.
2. The speaker device of claim 1 incorporated into an earphone unit.
3. The speaker device of claim 2 wherein said earphone unit is configured to receive said electrical signals from at least one audio device.
4. The speaker device of claim 3 wherein said earphone unit comprises a signal line configured to conductively connect with said audio device.
5. The speaker device of claim 4 wherein said signal line is further configured to provide power to said audio device.
6. The speaker device of claim 3 wherein said earphone unit comprises a power line configured to provide power to said audio device.
7. The speaker device of claim 1 wherein said audio signal input is connected to an amplifier.
8. The speaker device of claim 1 wherein said switching unit further comprises a frequency detector configured to detect voltage fluctuations along a signal line.
9. The speaker device of claim 8 wherein said frequency detector is configured to connect said voice coil to said charger output when selected frequency voltage fluctuations are detected.
10. The speaker device of claim 1 being configured to charge a power cell associated with an audio device selected from a group consisting of: telephones, media players, PDAs, portable CD players, dictaphones, portable DVD players, and mobile communications devices.