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EP3985791A4 - Filter coupling unit and filter - Google Patents

Filter coupling unit and filter Download PDF

Info

Publication number
EP3985791A4
EP3985791A4 EP20837338.1A EP20837338A EP3985791A4 EP 3985791 A4 EP3985791 A4 EP 3985791A4 EP 20837338 A EP20837338 A EP 20837338A EP 3985791 A4 EP3985791 A4 EP 3985791A4
Authority
EP
European Patent Office
Prior art keywords
filter
coupling unit
filter coupling
unit
coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20837338.1A
Other languages
German (de)
French (fr)
Other versions
EP3985791A1 (en
Inventor
Wei BU
Hongwei GONG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of EP3985791A1 publication Critical patent/EP3985791A1/en
Publication of EP3985791A4 publication Critical patent/EP3985791A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H01P1/2088—Integrated in a substrate
EP20837338.1A 2019-07-11 2020-07-13 Filter coupling unit and filter Withdrawn EP3985791A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921083271.2U CN210778910U (en) 2019-07-11 2019-07-11 Filter coupling unit and filter
PCT/CN2020/101619 WO2021004544A1 (en) 2019-07-11 2020-07-13 Filter coupling unit and filter

Publications (2)

Publication Number Publication Date
EP3985791A1 EP3985791A1 (en) 2022-04-20
EP3985791A4 true EP3985791A4 (en) 2022-07-20

Family

ID=71047486

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20837338.1A Withdrawn EP3985791A4 (en) 2019-07-11 2020-07-13 Filter coupling unit and filter

Country Status (3)

Country Link
EP (1) EP3985791A4 (en)
CN (1) CN210778910U (en)
WO (1) WO2021004544A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210778910U (en) * 2019-07-11 2020-06-16 中兴通讯股份有限公司 Filter coupling unit and filter
CN111600100A (en) * 2020-06-30 2020-08-28 瑞声精密制造科技(常州)有限公司 Capacitive and inductive cross coupling structure and dielectric waveguide filter
CN112436254B (en) * 2020-12-15 2025-02-07 人民华智通讯技术有限公司 A dielectric waveguide filter
CN115528395A (en) * 2021-06-25 2022-12-27 华为技术有限公司 Four-corner element structure, dielectric filter and base station equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3319166A1 (en) * 2015-11-27 2018-05-09 Huawei Technologies Co., Ltd. Dielectric filter, transceiver and base station
CN109728385A (en) * 2019-02-22 2019-05-07 江西一创新材料有限公司 A kind of dielectric filter coupled structure with symmetrical null characteristic

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070114098A (en) * 2007-11-09 2007-11-29 주식회사 에이스테크놀로지 Notch coupling filter
CN202678485U (en) * 2012-05-15 2013-01-16 安徽科瑞达通信科技有限公司 A novel cross coupling filter
CN104241798A (en) * 2013-06-17 2014-12-24 苏州络湾电子科技有限公司 Resonant cavity for coaxial resonant filter and coaxial resonant filter
CN207705363U (en) * 2017-12-08 2018-08-07 深圳市大富科技股份有限公司 Cavity body filter and communication equipment
CN208622915U (en) * 2018-07-20 2019-03-19 摩比天线技术（深圳）有限公司 A resonant structure with adjustable polarity and its filter
CN109461995B (en) * 2018-12-27 2024-08-09 华为技术有限公司 Waveguide filter adopting ceramic dielectric
CN210778910U (en) * 2019-07-11 2020-06-16 中兴通讯股份有限公司 Filter coupling unit and filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3319166A1 (en) * 2015-11-27 2018-05-09 Huawei Technologies Co., Ltd. Dielectric filter, transceiver and base station
CN109728385A (en) * 2019-02-22 2019-05-07 江西一创新材料有限公司 A kind of dielectric filter coupled structure with symmetrical null characteristic

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SANDHU MUHAMMAD Y. ET AL: "Miniaturized dielectric waveguide filters", INTERNATIONAL JOURNAL OF ELECTRONICS., vol. 103, no. 10, 5 January 2016 (2016-01-05), GB, pages 1776 - 1787, XP055929839, ISSN: 0020-7217, Retrieved from the Internet <URL:https://eprints.whiterose.ac.uk/88315/> DOI: 10.1080/00207217.2016.1138531 *
See also references of WO2021004544A1 *

Also Published As

Publication number Publication date
EP3985791A1 (en) 2022-04-20
CN210778910U (en) 2020-06-16
WO2021004544A1 (en) 2021-01-14

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