EP3920328A4 - Antenne à double fréquence - Google Patents

Antenne à double fréquence Download PDF

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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)
English (en)
Other versions
EP3920328A1 (fr
EP3920328B1 (fr
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/fr
Publication of EP3920328A4 publication Critical patent/EP3920328A4/fr
Application granted granted Critical
Publication of EP3920328B1 publication Critical patent/EP3920328B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 2019-12-27 Antenne à double fréquence Active EP3920328B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920139308.2U CN209329151U (zh) 2019-01-28 2019-01-28 一种双频天线
PCT/CN2019/129245 WO2020155986A1 (fr) 2019-01-28 2019-12-27 Antenne à double fréquence

Publications (3)

Publication Number Publication Date
EP3920328A1 EP3920328A1 (fr) 2021-12-08
EP3920328A4 true EP3920328A4 (fr) 2022-03-09
EP3920328B1 EP3920328B1 (fr) 2024-10-30

Family

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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 (fr) * 2004-06-14 2005-12-21 Nec Corporation Dispositif d' antenne et terminal de communication radio portable
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

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 (fr) * 2004-06-14 2005-12-21 Nec Corporation Dispositif d' antenne et terminal de communication radio portable
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
WO2020155986A1 (fr) 2020-08-06
CN209329151U (zh) 2019-08-30
EP3920328A1 (fr) 2021-12-08

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