CN1120610C - 会议电话的控制电路及其控制方法 - Google Patents
会议电话的控制电路及其控制方法 Download PDFInfo
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- CN1120610C CN1120610C CN 99105937 CN99105937A CN1120610C CN 1120610 C CN1120610 C CN 1120610C CN 99105937 CN99105937 CN 99105937 CN 99105937 A CN99105937 A CN 99105937A CN 1120610 C CN1120610 C CN 1120610C
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- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99105937 CN1120610C (zh) | 1999-04-26 | 1999-04-26 | 会议电话的控制电路及其控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99105937 CN1120610C (zh) | 1999-04-26 | 1999-04-26 | 会议电话的控制电路及其控制方法 |
Publications (2)
Publication Number | Publication Date |
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CN1272024A CN1272024A (zh) | 2000-11-01 |
CN1120610C true CN1120610C (zh) | 2003-09-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 99105937 Expired - Fee Related CN1120610C (zh) | 1999-04-26 | 1999-04-26 | 会议电话的控制电路及其控制方法 |
Country Status (1)
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CN (1) | CN1120610C (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002215193A (ja) * | 2001-01-18 | 2002-07-31 | Mitsubishi Electric Corp | 音声符号切換方法並びに音声符号切換手段及び音声通信端末 |
CN100420257C (zh) * | 2003-04-23 | 2008-09-17 | 华为技术有限公司 | 利用可编程逻辑器件进行会议电话处理的方法 |
CN100418340C (zh) * | 2004-12-09 | 2008-09-10 | 西安大唐电信有限公司 | 会议电话语音选择合成的方法 |
CN101895720B (zh) * | 2010-08-19 | 2011-08-24 | 和记奥普泰通信技术有限公司 | 一种电话会议芯片及其电话会议控制方法 |
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1999
- 1999-04-26 CN CN 99105937 patent/CN1120610C/zh not_active Expired - Fee Related
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Publication number | Publication date |
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CN1272024A (zh) | 2000-11-01 |
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Legal Events
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Applicant after: Huawei Technologies Co., Ltd. Applicant before: Huawei Technology Co., Ltd., Shenzhen City |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHENZHEN HUAWEI TECHNOLOGY CO., LTD TO: HUAWEI TECHNOLOGY CO., LTD. |
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C14 | Grant of patent or utility model | ||
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Addressee: Huawei Technologies Co., Ltd. Document name: Notification to Pay the Fees |
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Addressee: Huawei Technologies Co., Ltd. Document name: Notification of Termination of Patent Right |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030903 Termination date: 20150426 |
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EXPY | Termination of patent right or utility model |