Printed circuit board used as voice coil, method for manufacturing the same and loudspeaker with the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 20, 2018
Grant Date -
Oct 11, 2018
app pub date -
Aug 1, 2017
filing date -
Apr 5, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A printed circuit board used as a voice coil includes N board units stacked over one another, each board unit having a first electrically connecting region and a second electrically connecting region, all of the first electrically connecting regions being stacked over one another, all of the second electrically connecting regions being stacked over one another, each board unit having a first circuit structure, a base, and a second circuit structure arranged from top to bottom, in each two adjacent board units, the first electrically connecting region of the second circuit structure of an upper board unit being electrically connected in series with the first electrically connecting region of the first circuit structure of a lower board unit, in each board unit, the first circuit structure being electrically connected in series with the second circuit structure in the second electrically connecting region.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| CN | B | CN108696801 | Apr 05, 2017 |
International Classification(s)
- 2017 Application Filing Year
- H04R Class
- 3571 Applications Filed
- 2813 Patents Issued To-Date
- 78.78 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04R Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 20, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 20, 2030 |
