TW549781U - Hand-free device capable of eliminating the feedback yell and background echo - Google Patents
Hand-free device capable of eliminating the feedback yell and background echoInfo
- Publication number
- TW549781U TW549781U TW91213096U TW91213096U TW549781U TW 549781 U TW549781 U TW 549781U TW 91213096 U TW91213096 U TW 91213096U TW 91213096 U TW91213096 U TW 91213096U TW 549781 U TW549781 U TW 549781U
- Authority
- TW
- Taiwan
- Prior art keywords
- yell
- eliminating
- feedback
- hand
- device capable
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91213096U TW549781U (en) | 2002-08-22 | 2002-08-22 | Hand-free device capable of eliminating the feedback yell and background echo |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91213096U TW549781U (en) | 2002-08-22 | 2002-08-22 | Hand-free device capable of eliminating the feedback yell and background echo |
Publications (1)
Publication Number | Publication Date |
---|---|
TW549781U true TW549781U (en) | 2003-08-21 |
Family
ID=29998335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW91213096U TW549781U (en) | 2002-08-22 | 2002-08-22 | Hand-free device capable of eliminating the feedback yell and background echo |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW549781U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7697696B2 (en) | 2005-01-12 | 2010-04-13 | Yamaha Corporation | Audio amplification apparatus with howling canceler |
TWI686090B (en) * | 2018-09-26 | 2020-02-21 | 新唐科技股份有限公司 | Biasing circuit |
-
2002
- 2002-08-22 TW TW91213096U patent/TW549781U/en not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7697696B2 (en) | 2005-01-12 | 2010-04-13 | Yamaha Corporation | Audio amplification apparatus with howling canceler |
TWI686090B (en) * | 2018-09-26 | 2020-02-21 | 新唐科技股份有限公司 | Biasing circuit |
CN110955292A (en) * | 2018-09-26 | 2020-04-03 | 新唐科技股份有限公司 | Bias circuit |
CN110955292B (en) * | 2018-09-26 | 2022-02-08 | 新唐科技股份有限公司 | Bias circuit |
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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 |