CN207926457U - 三相acdc电流滞环控制电路 - Google Patents
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CN108377101A (zh) * | 2018-03-19 | 2018-08-07 | 青岛美凯麟科技股份有限公司 | 三相acdc电流滞环控制电路 |
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CN108377101A (zh) * | 2018-03-19 | 2018-08-07 | 青岛美凯麟科技股份有限公司 | 三相acdc电流滞环控制电路 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Lei Inventor after: Zhu Liangtao Inventor after: Zhang Yao Inventor after: Zhang Jianguo Inventor before: Liu Lei |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Three-phase ACDC current hysteresis control circuit Effective date of registration: 20190701 Granted publication date: 20180928 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Meikai Lin Polytron Technologies Inc Registration number: 2019990000639 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200610 Granted publication date: 20180928 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc. Registration number: 2019990000639 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Three phase ACDC current hysteresis control circuit Effective date of registration: 20200813 Granted publication date: 20180928 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc. Registration number: Y2020990000954 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210629 Granted publication date: 20180928 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc. Registration number: Y2020990000954 |