EP3920328A4 - Dual-frequency antenna - Google Patents

Dual-frequency antenna Download PDF

Info

Publication number
EP3920328A4
EP3920328A4 EP19912442.1A EP19912442A EP3920328A4 EP 3920328 A4 EP3920328 A4 EP 3920328A4 EP 19912442 A EP19912442 A EP 19912442A EP 3920328 A4 EP3920328 A4 EP 3920328A4
Authority
EP
European Patent Office
Prior art keywords
dual
frequency antenna
antenna
frequency
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.)
Pending
Application number
EP19912442.1A
Other languages
German (de)
French (fr)
Other versions
EP3920328A1 (en
Inventor
Jie Liu
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.)
Hangzhou Hikvision Digital Technology Co Ltd
Original Assignee
Hangzhou Hikvision Digital Technology Co Ltd
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 Hangzhou Hikvision Digital Technology Co Ltd filed Critical Hangzhou Hikvision Digital Technology Co Ltd
Publication of EP3920328A1 publication Critical patent/EP3920328A1/en
Publication of EP3920328A4 publication Critical patent/EP3920328A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
EP19912442.1A 2019-01-28 2019-12-27 Dual-frequency antenna Pending EP3920328A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920139308.2U CN209329151U (en) 2019-01-28 2019-01-28 A kind of dual-band antenna
PCT/CN2019/129245 WO2020155986A1 (en) 2019-01-28 2019-12-27 Dual-frequency antenna

Publications (2)

Publication Number Publication Date
EP3920328A1 EP3920328A1 (en) 2021-12-08
EP3920328A4 true EP3920328A4 (en) 2022-03-09

Family

ID=67731917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19912442.1A Pending EP3920328A4 (en) 2019-01-28 2019-12-27 Dual-frequency antenna

Country Status (3)

Country Link
EP (1) EP3920328A4 (en)
CN (1) CN209329151U (en)
WO (1) WO2020155986A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209329151U (en) * 2019-01-28 2019-08-30 杭州海康威视数字技术股份有限公司 A kind of dual-band antenna
CN117134107A (en) * 2022-05-20 2023-11-28 华为技术有限公司 Antenna, circuit board and electronic equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030020661A1 (en) * 2001-07-27 2003-01-30 Tdk Corporation Antenna device capable of being commonly used at a plurality of frequencies and electronic equipment having the same
EP1608035A1 (en) * 2004-06-14 2005-12-21 Nec Corporation Antenna device and portable radio terminal
US20070285326A1 (en) * 2006-01-14 2007-12-13 Mckinzie William E Adaptively tunable antennas incorporating an external probe to monitor radiated power
US20110193757A1 (en) * 2010-02-11 2011-08-11 Radina Co., Ltd Ground radiator using capacitor
US20180366814A1 (en) * 2014-02-12 2018-12-20 Huawei Device (Dongguan) Co., Ltd. Antenna and Mobile Terminal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010041071A (en) * 2008-07-31 2010-02-18 Toshiba Corp Antenna device
CN102055076A (en) * 2009-11-09 2011-05-11 吴光修 Dual-frequency PCB antenna
KR101543764B1 (en) * 2010-02-11 2015-08-11 라디나 주식회사 Ground radiation antenna
CN202487756U (en) * 2011-12-29 2012-10-10 惠州Tcl移动通信有限公司 Mobile phone and double-frequency resonant antenna thereof
CN103441333B (en) * 2013-08-21 2017-02-08 深圳汉阳天线设计有限公司 Synchronous dual-frequency circuit board radiating antenna
CN104795628A (en) * 2015-04-07 2015-07-22 上海安费诺永亿通讯电子有限公司 Terrestrial radiation antenna realizing double-frequency resonance by clearance of PCB (printed circuit board)
CN209329151U (en) * 2019-01-28 2019-08-30 杭州海康威视数字技术股份有限公司 A kind of dual-band antenna

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030020661A1 (en) * 2001-07-27 2003-01-30 Tdk Corporation Antenna device capable of being commonly used at a plurality of frequencies and electronic equipment having the same
EP1608035A1 (en) * 2004-06-14 2005-12-21 Nec Corporation Antenna device and portable radio terminal
US20070285326A1 (en) * 2006-01-14 2007-12-13 Mckinzie William E Adaptively tunable antennas incorporating an external probe to monitor radiated power
US20110193757A1 (en) * 2010-02-11 2011-08-11 Radina Co., Ltd Ground radiator using capacitor
US20180366814A1 (en) * 2014-02-12 2018-12-20 Huawei Device (Dongguan) Co., Ltd. Antenna and Mobile Terminal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020155986A1 *

Also Published As

Publication number Publication date
EP3920328A1 (en) 2021-12-08
CN209329151U (en) 2019-08-30
WO2020155986A1 (en) 2020-08-06

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Ipc: H01Q 5/321 20150101AFI20220131BHEP

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