CN100344074C - 板卡式回音消除器 - Google Patents
板卡式回音消除器 Download PDFInfo
- Publication number
- CN100344074C CN100344074C CNB2004100581326A CN200410058132A CN100344074C CN 100344074 C CN100344074 C CN 100344074C CN B2004100581326 A CNB2004100581326 A CN B2004100581326A CN 200410058132 A CN200410058132 A CN 200410058132A CN 100344074 C CN100344074 C CN 100344074C
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- CN
- China
- Prior art keywords
- chip
- professional
- echo cancellation
- bus interface
- cancellation chip
- 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
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- 230000015654 memory Effects 0.000 claims abstract description 13
- 102100029368 Cytochrome P450 2C18 Human genes 0.000 abstract description 3
- 101000919360 Homo sapiens Cytochrome P450 2C18 Proteins 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 206010019133 Hangover Diseases 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100581326A CN100344074C (zh) | 2004-08-16 | 2004-08-16 | 板卡式回音消除器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100581326A CN100344074C (zh) | 2004-08-16 | 2004-08-16 | 板卡式回音消除器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1588820A CN1588820A (zh) | 2005-03-02 |
CN100344074C true CN100344074C (zh) | 2007-10-17 |
Family
ID=34603323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100581326A Expired - Fee Related CN100344074C (zh) | 2004-08-16 | 2004-08-16 | 板卡式回音消除器 |
Country Status (1)
Country | Link |
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CN (1) | CN100344074C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101431576B (zh) * | 2007-11-09 | 2012-07-11 | 浙江元亨通信技术股份有限公司 | 综合语音资源处理板卡 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1379551A (zh) * | 2001-04-06 | 2002-11-13 | 华邦电子股份有限公司 | 回音消除器 |
WO2003092184A1 (en) * | 2002-04-26 | 2003-11-06 | Global Ip Sound Inc | Echo cancellation |
-
2004
- 2004-08-16 CN CNB2004100581326A patent/CN100344074C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1379551A (zh) * | 2001-04-06 | 2002-11-13 | 华邦电子股份有限公司 | 回音消除器 |
WO2003092184A1 (en) * | 2002-04-26 | 2003-11-06 | Global Ip Sound Inc | Echo cancellation |
Also Published As
Publication number | Publication date |
---|---|
CN1588820A (zh) | 2005-03-02 |
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Legal Events
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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 | ||
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Luo Weijian Document name: Notification to Pay the Fees |
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ASS | Succession or assignment of patent right |
Owner name: HANGZHOU PHS COMMUNICATIONS EQUIPMENT MANUFACTURIN Free format text: FORMER OWNER: HE SHUNLAN Effective date: 20091016 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091016 Address after: 2 floor, No. 385, Wen two road, Xihu District, Zhejiang, Hangzhou Patentee after: Hangzhou PHS communication equipment manufacturing Co., Ltd. Address before: Two floor, No. 385, Wen two road, Hangzhou, Zhejiang Patentee before: He Shunlan |
|
DD01 | Delivery of document by public notice |
Addressee: He Shunlan Document name: Notification that Application Deemed not to be Proposed |
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DD01 | Delivery of document by public notice |
Addressee: Hangzhou PHS communication equipment manufacturing Co., Ltd. Document name: Notification that Application Deemed not to be Proposed |
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ASS | Succession or assignment of patent right |
Owner name: HE SHUNLAN Free format text: FORMER OWNER: HANGZHOU XIAOLINGTONG COMMUNICATION CO., LTD. Effective date: 20100820 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310012 2/F, NO. 385, WENER ROAD, XIHU DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 310052 HOUSE 22, HENGXIN BUILDING, NO. 588, JIANGNAN STREET, BINJIANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20100820 Address after: Hengxin Building No. 588 Hangzhou 310052 Zhejiang Province, Binjiang District Jiangnan Avenue 22 floor Patentee after: He Shunlan Address before: 2, building 385, No. 310012, Wen two road, Hangzhou, Zhejiang, Xihu District Patentee before: Hangzhou PHS communication equipment manufacturing Co., Ltd. |
|
DD01 | Delivery of document by public notice |
Addressee: He Shunlan Document name: Notification of Passing Examination on Formalities |
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ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG UHOPE COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HE SHUNLAN Effective date: 20110505 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110505 Address after: Hengxin Building No. 588 Hangzhou 310052 Zhejiang Province, Binjiang District Jiangnan Avenue 22 floor Patentee after: Zhejiang UHOPE Communication, Ltd. Address before: Hengxin Building No. 588 Hangzhou 310052 Zhejiang Province, Binjiang District Jiangnan Avenue 22 floor Patentee before: He Shunlan |
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C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG UHOPE COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHEJIANG UHOPE COMMUNICATION LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Hengxin Building No. 588 Hangzhou 310052 Zhejiang Province, Binjiang District Jiangnan Avenue 22 floor Patentee after: Zhejiang Uhope Communications Technology Co., Ltd. Address before: Hengxin Building No. 588 Hangzhou 310052 Zhejiang Province, Binjiang District Jiangnan Avenue 22 floor Patentee before: Zhejiang UHOPE Communication, Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071017 Termination date: 20180816 |
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CF01 | Termination of patent right due to non-payment of annual fee |