Patent · US Active

Speaker with a coil stabilizer and method for manufacturing the same

US9807511B2 · kind B2 · utility

0Cited by

12References

15Claims

0Family size

Assignee

Sound Solutions International Co., Ltd. · CN

Inventors

Michael Schoeffmann · Baden, AT
Christian Haas · Birkenfeld, DE
Helmut Wasinger · Mödling, AT

Key dates

Filing date	Oct 30, 2015
Grant date	Oct 31, 2017
Priority date	—
Expiry date	Oct 30, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/11
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A speaker and method for making the same are provided. The speaker includes a permanent magnet and a coil disposed about a first axis around the permanent magnet, the coil being configured to move along the first axis. The speaker further includes a membrane attached to a top surface of the coil and a stabilizer contacting at least one of an internal surface, an external surface, and a bottom surface of the coil, and configured to limit movement of the coil relative to a second axis perpendicular to the first axis.

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