TW423780U - Anti-noise earphone - Google Patents
Anti-noise earphoneInfo
- Publication number
- TW423780U TW423780U TW88204085U TW88204085U TW423780U TW 423780 U TW423780 U TW 423780U TW 88204085 U TW88204085 U TW 88204085U TW 88204085 U TW88204085 U TW 88204085U TW 423780 U TW423780 U TW 423780U
- Authority
- TW
- Taiwan
- Prior art keywords
- noise earphone
- earphone
- noise
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88204085U TW423780U (en) | 1999-03-18 | 1999-03-18 | Anti-noise earphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88204085U TW423780U (en) | 1999-03-18 | 1999-03-18 | Anti-noise earphone |
Publications (1)
Publication Number | Publication Date |
---|---|
TW423780U true TW423780U (en) | 2001-02-21 |
Family
ID=21645899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88204085U TW423780U (en) | 1999-03-18 | 1999-03-18 | Anti-noise earphone |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW423780U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9548045B2 (en) | 2014-05-27 | 2017-01-17 | Avermedia Technologies, Inc. | Anti-noise headset device and sound processing method thereof |
-
1999
- 1999-03-18 TW TW88204085U patent/TW423780U/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9548045B2 (en) | 2014-05-27 | 2017-01-17 | Avermedia Technologies, Inc. | Anti-noise headset device and sound processing method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4K | Issue of patent certificate for granted utility model filed before june 30, 2004 | ||
MM4K | Annulment or lapse of a utility model due to non-payment of fees |