CN1219282C - Wide-area audio amplifying method and equipment - Google Patents
Wide-area audio amplifying method and equipment Download PDFInfo
- Publication number
- CN1219282C CN1219282C CN 01104576 CN01104576A CN1219282C CN 1219282 C CN1219282 C CN 1219282C CN 01104576 CN01104576 CN 01104576 CN 01104576 A CN01104576 A CN 01104576A CN 1219282 C CN1219282 C CN 1219282C
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- producing component
- sensing elements
- voice signal
- wide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01104576 CN1219282C (en) | 2001-02-15 | 2001-02-15 | Wide-area audio amplifying method and equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01104576 CN1219282C (en) | 2001-02-15 | 2001-02-15 | Wide-area audio amplifying method and equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1369875A CN1369875A (en) | 2002-09-18 |
CN1219282C true CN1219282C (en) | 2005-09-14 |
Family
ID=4653964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 01104576 Expired - Fee Related CN1219282C (en) | 2001-02-15 | 2001-02-15 | Wide-area audio amplifying method and equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1219282C (en) |
-
2001
- 2001-02-15 CN CN 01104576 patent/CN1219282C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1369875A (en) | 2002-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TANG SHIJIE Free format text: FORMER OWNER: SU GENGGUI Effective date: 20060616 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060616 Address after: Taiwan, China Patentee after: Tang Shijie Address before: New Ya Lu Kaohsiung City, Taiwan province 286 No. 8 7 floor 2 Patentee before: Su Genggui |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050914 Termination date: 20160215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |