Patent · US Active

Ear canal earpiece and earmold unit for an earpiece

US9628925B2 · kind B2 · utility

0Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 2014
Grant dateApr 18, 2017
Priority date
Expiry dateApr 2, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10K2210/32272
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An ear canal earpiece comprising an electroacoustic sound transducer, a first sound guide unit for guiding the sound from the electroacoustic sound transducer, a second sound guide unit for prolonging the first sound guide unit, a third sound guide unit whose outside contour is matched to an inside contour of an ear canal of a user and which surrounds the second sound guide unit, and a sound wall in the region of the second sound guide unit, wherein the sound wall extends between the second and third sound guide units.

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