CN209227622U - 一种基于nb-iot技术的智能井盖监控装置 - Google Patents
一种基于nb-iot技术的智能井盖监控装置 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109440828A (zh) * | 2018-12-07 | 2019-03-08 | 天津耀通科技股份有限公司 | 一种基于nb-iot技术的智能井盖监控装置及监控方法 |
CN110517929A (zh) * | 2019-10-22 | 2019-11-29 | 深圳市科信通信技术股份有限公司 | 一种金属传感器开关 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109440828A (zh) * | 2018-12-07 | 2019-03-08 | 天津耀通科技股份有限公司 | 一种基于nb-iot技术的智能井盖监控装置及监控方法 |
CN110517929A (zh) * | 2019-10-22 | 2019-11-29 | 深圳市科信通信技术股份有限公司 | 一种金属传感器开关 |
CN110517929B (zh) * | 2019-10-22 | 2020-04-03 | 深圳市科信通信技术股份有限公司 | 一种金属传感器开关 |
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GR01 | Patent grant | ||
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent manhole cover monitoring device based on nb-iot Technology Effective date of registration: 20220630 Granted publication date: 20190809 Pledgee: Bohai Bank Co.,Ltd. Tianjin Branch Pledgor: TIANJIN YAOTONG TECHNOLOGY CO.,LTD. Registration number: Y2022120000041 |
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Granted publication date: 20190809 Pledgee: Bohai Bank Co.,Ltd. Tianjin Branch Pledgor: TIANJIN YAOTONG TECHNOLOGY CO.,LTD. Registration number: Y2022120000041 |
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Denomination of utility model: An Intelligent Well Cover Monitoring Device Based on NB-IOT Technology Granted publication date: 20190809 Pledgee: Bohai Bank Co.,Ltd. Tianjin Branch Pledgor: TIANJIN YAOTONG TECHNOLOGY CO.,LTD. Registration number: Y2024120000003 |
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