Flexible printed circuit board, method for manufacturing the same and loudspeaker with the same
US10524057B2 · kind B2 · utility
0Cited by
1References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 28, 2017 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Sep 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/0393
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A flexible printed circuit board used in a loudspeaker as a dome and a holder supporting the dome has a top surface and a bottom surface opposite to the top surface. The flexible printed circuit board comprises a dome portion and a supporting portion surrounding the dome portion. The dome portion is formed by the top surface being depressed from the top surface to the bottom surface and the bottom surface projecting from the top surface to the bottom surface; and a supporting portion surrounds the dome portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.