Patent · US Active

Wireless earbuds

US9402120B2 · kind B2 · utility

45Cited by

8References

22Claims

0Family size

Assignee

epickal AB · SE

Inventors

Olle Lindén · Trosa, SE
Kiril Trajkovski · Klagshamn, SE
Per Sennström · Lund, SE
Carl Ståhl · Malmö, SE
Markus Millfjord · Halmstad, SE
Henrik Hovmøller · Nørresundby, DK

Key dates

Filing date	Sep 5, 2014
Grant date	Jul 26, 2016
Priority date	—
Expiry date	Sep 5, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2420/07
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A wireless earbud has an earbud housing having a longitudinal main axis and an essentially circular cross section, a loudspeaker element, a rechargeable battery, at least one main printed circuit board having disposed thereon circuitry for wireless radio communication, audio codec and earbud operation control, and a charging interface member. The loudspeaker element, the rechargeable battery, the main printed circuit board and the charging interface member are arranged in a successive order along the longitudinal main axis of the earbud housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.