Patent · US Active

Electromagnetic transducer with specific internal geometry

US9716953B2 · kind B2 · utility

3Cited by

2References

31Claims

0Family size

Assignee

Cochlear Limited · AU

Inventors

Marcus Andersson · Jönköping, SE
Tommy Bergs · Chatswood, AU
Johan Gustafsson · Mölnlycke, SE
Anders Kallsvik · Gothenburg, SE

Key dates

Filing date	Mar 15, 2013
Grant date	Jul 25, 2017
Priority date	—
Expiry date	Mar 11, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2209/022
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A device, including an electromagnetic transducer including a bobbin having a space therein, a connection apparatus in fixed relationship to the bobbin configured to transfer vibrational energy directly or indirectly at least one of to or from the electromagnetic transducer, and a passage from the space to the connection apparatus.

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