CN2758778Y - 避雷器测试仪的过零检测电路 - Google Patents
避雷器测试仪的过零检测电路 Download PDFInfo
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- CN2758778Y CN2758778Y CN 200420119030 CN200420119030U CN2758778Y CN 2758778 Y CN2758778 Y CN 2758778Y CN 200420119030 CN200420119030 CN 200420119030 CN 200420119030 U CN200420119030 U CN 200420119030U CN 2758778 Y CN2758778 Y CN 2758778Y
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CN 200420119030 CN2758778Y (zh) | 2004-12-29 | 2004-12-29 | 避雷器测试仪的过零检测电路 |
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CN 200420119030 CN2758778Y (zh) | 2004-12-29 | 2004-12-29 | 避雷器测试仪的过零检测电路 |
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CN2758778Y true CN2758778Y (zh) | 2006-02-15 |
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CN 200420119030 Expired - Fee Related CN2758778Y (zh) | 2004-12-29 | 2004-12-29 | 避雷器测试仪的过零检测电路 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107402331A (zh) * | 2017-09-08 | 2017-11-28 | 国家电网公司 | 低压无线核相装置及其方法 |
CN109061277A (zh) * | 2018-06-12 | 2018-12-21 | 南京熊猫电子制造有限公司 | 一种基于电磁感应的过零检测装置和检测方法 |
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2004
- 2004-12-29 CN CN 200420119030 patent/CN2758778Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107402331A (zh) * | 2017-09-08 | 2017-11-28 | 国家电网公司 | 低压无线核相装置及其方法 |
CN109061277A (zh) * | 2018-06-12 | 2018-12-21 | 南京熊猫电子制造有限公司 | 一种基于电磁感应的过零检测装置和检测方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Teng Teng Technology Co., Ltd. Assignor: Shanghai Electrical Automation Design Inst Co., Ltd. Contract fulfillment period: 2008.11.16 to 2013.11.15 Contract record no.: 2008310000262 Denomination of utility model: Zero cross detection circuit for arrester tester Granted publication date: 20060215 License type: Exclusive license Record date: 20081209 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.16 TO 2013.11.15; CHANGE OF CONTRACT Name of requester: SHANGHAI LANGTENG TECHNOLOGY CO., LTD. Effective date: 20081209 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060215 Termination date: 20100129 |