Earphones with attachable expansion pack
US9986323B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2015 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Jul 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/09
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wearable device and methods for using the same provided. In one embodiment, a wearable device includes a pair of earphones with a controller and an expansion pack. The controller includes a first set of electrical contacts and a first set of modules. The expansion pack includes a second set of electrical contacts and a second set of modules. The controller is configured to electrically couple at least one module of the first set of modules to at least one module of the second set of modules when the controller is electrically coupled to the expansion pack. The expansion pack may further include a USB energy storage device to provide the earphones with an extended battery life when the expansion pack is coupled to the chargeable batteries of the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.