EP3985791A4 - FILTER AND FILTER COUPLING UNIT - Google Patents

FILTER AND FILTER COUPLING UNIT Download PDF

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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Withdrawn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)
English (en)
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Withdrawn legal-status Critical Current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EP20837338.1A 2019-07-11 2020-07-13 FILTER AND FILTER COUPLING UNIT Withdrawn EP3985791A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921083271.2U CN210778910U (zh) 2019-07-11 2019-07-11 一种滤波器耦合单元和滤波器
PCT/CN2020/101619 WO2021004544A1 (zh) 2019-07-11 2020-07-13 一种滤波器耦合单元和滤波器

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EP20837338.1A Withdrawn EP3985791A4 (en) 2019-07-11 2020-07-13 FILTER AND FILTER COUPLING UNIT

Country Status (3)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210778910U (zh) * 2019-07-11 2020-06-16 中兴通讯股份有限公司 一种滤波器耦合单元和滤波器
CN111600100A (zh) * 2020-06-30 2020-08-28 瑞声精密制造科技(常州)有限公司 容性、感性交叉耦合结构及介质波导滤波器
CN112436254A (zh) * 2020-12-15 2021-03-02 人民华智通讯技术有限公司 一种介质波导滤波器
CN115528395A (zh) * 2021-06-25 2022-12-27 华为技术有限公司 四角元件结构、介质滤波器及基站设备

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 (zh) * 2019-02-22 2019-05-07 江西一创新材料有限公司 一种具有对称零点特性的介质滤波器耦合结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070114098A (ko) * 2007-11-09 2007-11-29 주식회사 에이스테크놀로지 노치 커플링 여파기
CN202678485U (zh) * 2012-05-15 2013-01-16 安徽科瑞达通信科技有限公司 新型交叉耦合滤波器
CN104241798A (zh) * 2013-06-17 2014-12-24 苏州络湾电子科技有限公司 用于同轴谐振滤波器的谐振腔和同轴谐振滤波器
CN207705363U (zh) * 2017-12-08 2018-08-07 深圳市大富科技股份有限公司 腔体滤波器及通信设备
CN208622915U (zh) * 2018-07-20 2019-03-19 摩比天线技术（深圳）有限公司 极性可调的谐振结构及其滤波器
CN109461995B (zh) * 2018-12-27 2024-08-09 华为技术有限公司 一种采用陶瓷介质的波导滤波器
CN210778910U (zh) * 2019-07-11 2020-06-16 中兴通讯股份有限公司 一种滤波器耦合单元和滤波器

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 (zh) * 2019-02-22 2019-05-07 江西一创新材料有限公司 一种具有对称零点特性的介质滤波器耦合结构

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

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