Wireless earphone
US9060225B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2013 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Jan 13, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wireless earphone comprises a fixing module including a lower cover and a fixing element disposed at the center thereof; a rotating case having a rotating base and an upper cover fixed to the rotating base, the rotating base includes a cup portion and an annular plate extending therefrom, the fixing element passes through the cup portion, and the rotating case rotates about the fixing element; an electronic module disposed between the upper cover and the rotating base; a tape spring having one end attached to the cup portion and the other end to the fixing element; at least one earphone cable wound around the cup portion having one end connected to the circuit board and the other end passing through the lower cover; and a fastening module disposed between the rotating base and the lower cover, for retaining the relative position there-between.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.