CN207742243U - 一种具备限流储能功能的两线制4-20mA变送器电路 - Google Patents
一种具备限流储能功能的两线制4-20mA变送器电路 Download PDFInfo
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- CN207742243U CN207742243U CN201721785265.2U CN201721785265U CN207742243U CN 207742243 U CN207742243 U CN 207742243U CN 201721785265 U CN201721785265 U CN 201721785265U CN 207742243 U CN207742243 U CN 207742243U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 44
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004082 amperometric method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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CN201721785265.2U CN207742243U (zh) | 2017-12-19 | 2017-12-19 | 一种具备限流储能功能的两线制4-20mA变送器电路 |
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CN201721785265.2U CN207742243U (zh) | 2017-12-19 | 2017-12-19 | 一种具备限流储能功能的两线制4-20mA变送器电路 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of utility model: Two -wire system 4 -20mA changer circuit that possesses current -limiting energy storage function Effective date of registration: 20190313 Granted publication date: 20180817 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN ANCN SMART INSTRUMENT Inc. Registration number: 2019610000046 |
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Date of cancellation: 20200324 Granted publication date: 20180817 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN ANCN SMART INSTRUMENT Inc. Registration number: 2019610000046 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Two -wire system 4 -20mA changer circuit that possesses current -limiting energy storage function Effective date of registration: 20200331 Granted publication date: 20180817 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN ANCN SMART INSTRUMENT Inc. Registration number: Y2020610000031 |
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Date of cancellation: 20210421 Granted publication date: 20180817 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN ANCN SMART INSTRUMENT Inc. Registration number: Y2020610000031 |
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Denomination of utility model: A two wire 4-20mA transmitter circuit with current limiting and energy storage function Effective date of registration: 20210423 Granted publication date: 20180817 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN ANCN SMART INSTRUMENT Inc. Registration number: Y2021610000097 |
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Date of cancellation: 20231010 Granted publication date: 20180817 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN ANCN SMART INSTRUMENT Inc. Registration number: Y2021610000097 |