Speaker diaphragm edge and its manufacturing method
US6988584B2 · kind B2 · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | May 19, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/204
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker diaphragm edge obtained by hot-forming into a desired edge shape, a resin-treated base material, which was prepared by using a silkscreen printing technique to apply a shaping agent layer only to the necessary portion of a base material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.