TW528266U - Dual earphone structure with three-in-one circuit - Google Patents
Dual earphone structure with three-in-one circuitInfo
- Publication number
- TW528266U TW528266U TW91201520U TW91201520U TW528266U TW 528266 U TW528266 U TW 528266U TW 91201520 U TW91201520 U TW 91201520U TW 91201520 U TW91201520 U TW 91201520U TW 528266 U TW528266 U TW 528266U
- Authority
- TW
- Taiwan
- Prior art keywords
- circuit
- earphone structure
- dual earphone
- dual
- earphone
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91201520U TW528266U (en) | 2002-02-07 | 2002-02-07 | Dual earphone structure with three-in-one circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91201520U TW528266U (en) | 2002-02-07 | 2002-02-07 | Dual earphone structure with three-in-one circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
TW528266U true TW528266U (en) | 2003-04-11 |
Family
ID=28788839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW91201520U TW528266U (en) | 2002-02-07 | 2002-02-07 | Dual earphone structure with three-in-one circuit |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW528266U (en) |
-
2002
- 2002-02-07 TW TW91201520U patent/TW528266U/en not_active IP Right Cessation
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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 |