CN207638564U - 一种应用新型变压器的推挽电路 - Google Patents
一种应用新型变压器的推挽电路 Download PDFInfo
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- CN207638564U CN207638564U CN201820021911.6U CN201820021911U CN207638564U CN 207638564 U CN207638564 U CN 207638564U CN 201820021911 U CN201820021911 U CN 201820021911U CN 207638564 U CN207638564 U CN 207638564U
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: Use push -pull circuit of novel transformer Effective date of registration: 20190627 Granted publication date: 20180720 Pledgee: Xiamen finance Company limited by guarantee Pledgor: Xiamen City Keli Electronics Co., Ltd. Registration number: 2019990000627 |
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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: 20211112 Granted publication date: 20180720 Pledgee: Xiamen finance Company limited by guarantee Pledgor: XIAMEN CITY KELI ELECTRONICS Co.,Ltd. Registration number: 2019990000627 |
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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: A push-pull circuit using a new transformer Effective date of registration: 20211115 Granted publication date: 20180720 Pledgee: Xiamen finance Company limited by guarantee Pledgor: XIAMEN CITY KELI ELECTRONICS Co.,Ltd. Registration number: Y2021990001094 |