TW444998U - Ceramic piezo-electric microphone - Google Patents
Ceramic piezo-electric microphoneInfo
- Publication number
- TW444998U TW444998U TW88217966U TW88217966U TW444998U TW 444998 U TW444998 U TW 444998U TW 88217966 U TW88217966 U TW 88217966U TW 88217966 U TW88217966 U TW 88217966U TW 444998 U TW444998 U TW 444998U
- Authority
- TW
- Taiwan
- Prior art keywords
- electric microphone
- ceramic piezo
- piezo
- ceramic
- microphone
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88217966U TW444998U (en) | 1999-10-22 | 1999-10-22 | Ceramic piezo-electric microphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88217966U TW444998U (en) | 1999-10-22 | 1999-10-22 | Ceramic piezo-electric microphone |
Publications (1)
Publication Number | Publication Date |
---|---|
TW444998U true TW444998U (en) | 2001-07-01 |
Family
ID=21655146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88217966U TW444998U (en) | 1999-10-22 | 1999-10-22 | Ceramic piezo-electric microphone |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW444998U (en) |
-
1999
- 1999-10-22 TW TW88217966U patent/TW444998U/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 |