TWI584525B - 近場通訊天線 - Google Patents

近場通訊天線 Download PDF

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Publication number
TWI584525B
TWI584525B TW103117013A TW103117013A TWI584525B TW I584525 B TWI584525 B TW I584525B TW 103117013 A TW103117013 A TW 103117013A TW 103117013 A TW103117013 A TW 103117013A TW I584525 B TWI584525 B TW I584525B
Authority
TW
Taiwan
Prior art keywords
radiator
wire
near field
field communication
communication antenna
Prior art date
Application number
TW103117013A
Other languages
English (en)
Other versions
TW201543748A (zh
Inventor
Cheng Ta Li
Hung Wei Chiu
Jui Chih Chien
Original Assignee
Universal Scientific Industrial (Shanghai) Co Ltd
Universal Global Scientific Industrial 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 Universal Scientific Industrial (Shanghai) Co Ltd, Universal Global Scientific Industrial Co Ltd filed Critical Universal Scientific Industrial (Shanghai) Co Ltd
Priority to TW103117013A priority Critical patent/TWI584525B/zh
Priority to US14/532,052 priority patent/US9543654B2/en
Publication of TW201543748A publication Critical patent/TW201543748A/zh
Application granted granted Critical
Publication of TWI584525B publication Critical patent/TWI584525B/zh

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils

Landscapes

  • Details Of Aerials (AREA)

Claims (9)

  1. 一種近場通訊天線，包括：一第一輻射體，由一第一導線環繞一軸心而形成，該第一輻射體包括一第一訊號輸入端；以及一第二輻射體，由一第二導線依該第一導線環繞方向環繞該軸心而形成，該第二輻射體包括一第二訊號輸入端，該第二訊號輸入端電性連接該第一訊號輸入端；其中該第二導線至少環繞該軸心一圈。
  2. 如請求項第1項所述之近場通訊天線，其中該第一輻射體更包括一第一訊號輸出端，該第二輻射體更包括一開路端，該開路端係鄰設於該第一訊號輸出端。
  3. 如請求項第2項所述之近場通訊天線，其中該第一導線電性連接該第一訊號輸入端及該第一訊號輸出端，該第二導線電性連接該第二訊號輸入端及該開路端。
  4. 如請求項第3項所述之近場通訊天線，其中該第二輻射體環設於該第一輻射體內側。
  5. 如請求項第3項所述之近場通訊天線，其中該第二輻射體環設於該第一輻射體外圍。
  6. 如請求項第4項或第5項所述之近場通訊天線，其中該第一導線為一螺旋狀環繞結構。
  7. 如請求項第6項所述之近場通訊天線，其中該螺旋狀環繞結構的每一圈為方形環。
  8. 如請求項第1項所述之近場通訊天線，更包括一介質層，該第一輻射體與該第二輻射體設置於該介質層的同一表面上或分別設置於該介質層的兩表面上。
  9. 如請求項第1項所述之近場通訊天線，其中該第一導線與該第二導線皆為一金屬圖案膜層。
TW103117013A 2014-05-14 2014-05-14 近場通訊天線 TWI584525B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW103117013A TWI584525B (zh) 2014-05-14 2014-05-14 近場通訊天線
US14/532,052 US9543654B2 (en) 2014-05-14 2014-11-04 NFC antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW103117013A TWI584525B (zh) 2014-05-14 2014-05-14 近場通訊天線

Publications (2)

Publication Number Publication Date
TW201543748A TW201543748A (zh) 2015-11-16
TWI584525B true TWI584525B (zh) 2017-05-21

Family

ID=54539263

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103117013A TWI584525B (zh) 2014-05-14 2014-05-14 近場通訊天線

Country Status (2)

Country Link
US (1) US9543654B2 (zh)
TW (1) TWI584525B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160046187A (ko) * 2014-10-20 2016-04-28 삼성전자주식회사 안테나 구조 및 그 안테나 구조를 갖는 전자 장치
US10055619B2 (en) 2016-06-17 2018-08-21 Intermec, Inc. Systems and methods for compensation of interference in radiofrequency identification (RFID) devices
CN112448138B (zh) * 2019-08-30 2023-06-13 光宝电子(广州)有限公司 Nfc天线结构及应用其的nfc电路板及无线充电座

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003044892A1 (en) * 2001-11-22 2003-05-30 Valtion Teknillinen Tutkimuskeskus Modified loop antenna with omnidirectional radiation pattern and optimized properties for use in an rfid device
WO2005062422A1 (en) * 2003-12-23 2005-07-07 Macquarie University Multi-band, broadband, fully-planar antennas

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US2297466A (en) * 1935-04-24 1942-09-29 Funke Walter Frame aerial
US4155091A (en) * 1977-09-12 1979-05-15 Iec Electronics Corporation Compact omnidirectional antenna array
JP3282082B2 (ja) 1992-03-26 2002-05-13 アイシン精機株式会社 円偏波用線状アンテナ
US5602556A (en) 1995-06-07 1997-02-11 Check Point Systems, Inc. Transmit and receive loop antenna
US6501437B1 (en) * 2000-10-17 2002-12-31 Harris Corporation Three dimensional antenna configured of shaped flex circuit electromagnetically coupled to transmission line feed
JP2002261536A (ja) * 2001-03-02 2002-09-13 Alps Electric Co Ltd 小型アンテナ及びその製造方法
CN101233532B (zh) 2005-08-02 2011-04-06 Nxp股份有限公司 天线结构、转发器和制造天线结构的方法
WO2007058619A1 (en) 2005-11-19 2007-05-24 Agency For Science, Technology And Research Antenna for radio frequency identification system
CN101304116B (zh) 2008-06-27 2012-01-04 厦门大学 射频识别***矩形阵列光子带隙陶瓷平面螺旋双频带天线
CN101383446B (zh) 2008-10-21 2012-07-04 厦门大学 三频光子带隙介电常数渐变陶瓷阿基米德螺旋天线
JP2010200309A (ja) * 2009-01-30 2010-09-09 Tdk Corp 近接型アンテナ及び無線通信機
US8717242B2 (en) 2011-02-15 2014-05-06 Raytheon Company Method for controlling far field radiation from an antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003044892A1 (en) * 2001-11-22 2003-05-30 Valtion Teknillinen Tutkimuskeskus Modified loop antenna with omnidirectional radiation pattern and optimized properties for use in an rfid device
WO2005062422A1 (en) * 2003-12-23 2005-07-07 Macquarie University Multi-band, broadband, fully-planar antennas

Also Published As

Publication number Publication date
US9543654B2 (en) 2017-01-10
US20150333404A1 (en) 2015-11-19
TW201543748A (zh) 2015-11-16

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