CN101426048B - 基于adpcm语音压缩编码算法的大楼型无线留言门铃 - Google Patents
基于adpcm语音压缩编码算法的大楼型无线留言门铃 Download PDFInfo
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- CN101426048B CN101426048B CN2008102039956A CN200810203995A CN101426048B CN 101426048 B CN101426048 B CN 101426048B CN 2008102039956 A CN2008102039956 A CN 2008102039956A CN 200810203995 A CN200810203995 A CN 200810203995A CN 101426048 B CN101426048 B CN 101426048B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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CN2008102039956A CN101426048B (zh) | 2008-12-04 | 2008-12-04 | 基于adpcm语音压缩编码算法的大楼型无线留言门铃 |
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CN2008102039956A CN101426048B (zh) | 2008-12-04 | 2008-12-04 | 基于adpcm语音压缩编码算法的大楼型无线留言门铃 |
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CN101426048A CN101426048A (zh) | 2009-05-06 |
CN101426048B true CN101426048B (zh) | 2011-08-10 |
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CN2008102039956A Expired - Fee Related CN101426048B (zh) | 2008-12-04 | 2008-12-04 | 基于adpcm语音压缩编码算法的大楼型无线留言门铃 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101819690A (zh) * | 2010-03-29 | 2010-09-01 | 中山大学 | 一种门禁留言系统 |
CN101944260A (zh) * | 2010-09-07 | 2011-01-12 | 南京信息工程大学 | 一种基于单片机的录音门铃 |
CN102542646A (zh) * | 2012-01-17 | 2012-07-04 | 信源通科技(深圳)有限公司 | 门锁控制系统及控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2391250Y (zh) * | 1999-06-22 | 2000-08-09 | 金振国 | 电子控制门灯门铃 |
CN2672994Y (zh) * | 2004-01-05 | 2005-01-19 | 艾孜子·斯热依 | 带门铃的防盗电话 |
CN2792061Y (zh) * | 2005-03-01 | 2006-06-28 | 王春芳 | 一种无线远距离传递视频信号的门铃 |
CN101009817A (zh) * | 2006-01-25 | 2007-08-01 | 乐金电子(南京)等离子有限公司 | 来访者向导方法及系统 |
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- 2008-12-04 CN CN2008102039956A patent/CN101426048B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2391250Y (zh) * | 1999-06-22 | 2000-08-09 | 金振国 | 电子控制门灯门铃 |
CN2672994Y (zh) * | 2004-01-05 | 2005-01-19 | 艾孜子·斯热依 | 带门铃的防盗电话 |
CN2792061Y (zh) * | 2005-03-01 | 2006-06-28 | 王春芳 | 一种无线远距离传递视频信号的门铃 |
CN101009817A (zh) * | 2006-01-25 | 2007-08-01 | 乐金电子(南京)等离子有限公司 | 来访者向导方法及系统 |
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CN101426048A (zh) | 2009-05-06 |
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Owner name: HAIAN SUSHI TECHNOLOGY TRANSFORMATION CENTER CO., Free format text: FORMER OWNER: SHANGHAI UNIVERSITY Effective date: 20140516 |
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Effective date of registration: 20140516 Address after: 226600 Yingbin Road 8, Haian Town Development Zone, Jiangsu, Nantong Patentee after: Haian Su Fu Technology Transfer Center Co.,Ltd. Address before: 200444 Baoshan District Road, Shanghai, No. 99 Patentee before: Shanghai University |
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Granted publication date: 20110810 Termination date: 20211204 |