CN105144191B - 近场通信设备中的直接功率传输负载调制 - Google Patents

近场通信设备中的直接功率传输负载调制 Download PDF

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Publication number
CN105144191B
CN105144191B CN201480014004.3A CN201480014004A CN105144191B CN 105144191 B CN105144191 B CN 105144191B CN 201480014004 A CN201480014004 A CN 201480014004A CN 105144191 B CN105144191 B CN 105144191B
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CN
China
Prior art keywords
carrier signal
nfc
target device
signal
initiator
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.)
Expired - Fee Related
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CN201480014004.3A
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English (en)
Chinese (zh)
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CN105144191A (zh
Inventor
A·王
F·萨布里
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Qualcomm Inc
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Qualcomm Inc
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
    • H04B5/266—One coil at each side, e.g. with primary and secondary coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/45—Transponders

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Near-Field Transmission Systems (AREA)
CN201480014004.3A 2013-03-15 2014-03-10 近场通信设备中的直接功率传输负载调制 Expired - Fee Related CN105144191B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361799303P 2013-03-15 2013-03-15
US61/799,303 2013-03-15
US13/908,875 US9450646B2 (en) 2013-03-15 2013-06-03 Direct power transmission load modulation in near field communication devices
US13/908,875 2013-06-03
PCT/US2014/022838 WO2014150286A1 (en) 2013-03-15 2014-03-10 Direct power transmission load modulation in near field communication devices

Publications (2)

Publication Number Publication Date
CN105144191A CN105144191A (zh) 2015-12-09
CN105144191B true CN105144191B (zh) 2018-02-16

Family

ID=51529233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480014004.3A Expired - Fee Related CN105144191B (zh) 2013-03-15 2014-03-10 近场通信设备中的直接功率传输负载调制

Country Status (6)

Country Link
US (1) US9450646B2 (enExample)
EP (1) EP2973205A1 (enExample)
JP (1) JP6105147B2 (enExample)
KR (1) KR101707480B1 (enExample)
CN (1) CN105144191B (enExample)
WO (1) WO2014150286A1 (enExample)

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US9408238B2 (en) 2014-02-21 2016-08-02 Sony Corporation Removable conductive layer that shields and/or shorts nodes of an NFC circuit to control transmissions therefrom
US9577718B2 (en) * 2014-11-19 2017-02-21 Qualcomm Incorporated Systems and methods for inductively coupled communications
JP6485016B2 (ja) * 2014-12-01 2019-03-20 株式会社リコー 無線通信装置、無線通信装置におけるクロックの位相調整方法
US20160174267A1 (en) * 2014-12-15 2016-06-16 Qualcomm Incorporated Proprietary packet exchange for enhanced nfc communication
US9673964B2 (en) * 2015-02-18 2017-06-06 Qualcomm Incorporated Active load modulation in near field communication
US9461716B2 (en) * 2015-03-02 2016-10-04 Intel IP Corporation Near field communications (NFC) modulation feedback apparatus for tuned antenna configurations
EP3076553B1 (en) * 2015-03-30 2021-04-14 Nxp B.V. Clock synchronizer
US10164766B1 (en) * 2015-10-01 2018-12-25 Maxim Integrated Products, Inc. Advanced synchronization schemes for NFC card emulation mode, peer-to-peer mode and RFID tag design
US10937019B2 (en) * 2016-06-08 2021-03-02 Square, Inc. Wireless communication system with auxiliary antenna
US10396975B2 (en) * 2016-06-29 2019-08-27 Maxim Integrated Products, Inc. Clock recovery system and method for near field communication with active load modulation
US20180167876A1 (en) * 2016-12-09 2018-06-14 Qualcomm Incorporated Modulation scheme for wireless communications
US10949189B2 (en) 2017-06-28 2021-03-16 Square, Inc. Securely updating software on connected electronic devices
EP3584948A1 (en) * 2018-06-19 2019-12-25 STMicroelectronics razvoj polprevodnikov d.o.o. Protocol detection and decoding in multiprotocol tag, and corresponding integrated circuit
US10644756B2 (en) * 2018-07-30 2020-05-05 Nxp B.V. Transmitter calibration for NFC (near field communication) device
KR102640294B1 (ko) 2018-11-27 2024-02-22 삼성전자주식회사 Nfc 회로 및 이의 동작 방법
FR3089659B1 (fr) * 2018-12-07 2022-10-21 Smart Packaging Solutions Carte à puce en métal à double interface de communication
US11182770B1 (en) * 2018-12-12 2021-11-23 Square, Inc. Systems and methods for sensing locations of near field communication devices
EP3703269B1 (en) * 2019-02-26 2022-06-08 Nxp B.V. Phase alignment of a controller clock to a field
TWI730372B (zh) * 2019-08-07 2021-06-11 瑞昱半導體股份有限公司 無線傳輸電路與控制方法
DE102019123198A1 (de) * 2019-08-29 2021-03-04 Infineon Technologies Ag Nahfeldkommunikation-Vorrichtung, Verfahren zum Betreiben einer Nahfeldkommunikation-Vorrichtung, Chipkarte und Wearable
CN110808762A (zh) * 2020-01-07 2020-02-18 易兆微电子（杭州）有限公司 一种用于nfc芯片免晶体的方法
CN114449500B (zh) * 2022-02-14 2023-09-08 深圳市汇顶科技股份有限公司 近场通信的方法、装置和芯片
CN115242368B (zh) * 2022-09-21 2022-12-20 北京紫光青藤微系统有限公司 用于调整相位的方法、装置、近场通信设备及存储介质
WO2024124588A1 (en) * 2022-12-17 2024-06-20 Qualcomm Incorporated Time-frequency synchronization for low power devices

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US3685050A (en) * 1970-04-13 1972-08-15 Cartwright Eng Inc Single antenna signal retransmission device
CN101902267A (zh) * 2008-11-27 2010-12-01 索尼株式会社 通信设备、通信方法、程序及通信系统

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JP3696796B2 (ja) * 2001-02-26 2005-09-21 日本電信電話株式会社 電磁誘導質問装置および通信方法
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DE102005061438A1 (de) 2005-12-22 2007-07-05 Atmel Germany Gmbh Transponder und Verfahren zum Betreiben eines Transponders
JP4407674B2 (ja) * 2006-07-13 2010-02-03 株式会社デンソーウェーブ Ｉｃカードリーダ
US8283975B2 (en) 2008-03-10 2012-10-09 Nxp B.V. Data processing system
US8351854B2 (en) 2008-09-30 2013-01-08 Research In Motion Limited Mobile wireless communications device having touch activated near field communications (NFC) circuit
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US3685050A (en) * 1970-04-13 1972-08-15 Cartwright Eng Inc Single antenna signal retransmission device
CN101902267A (zh) * 2008-11-27 2010-12-01 索尼株式会社 通信设备、通信方法、程序及通信系统

Also Published As

Publication number Publication date
US20140273830A1 (en) 2014-09-18
KR20150130502A (ko) 2015-11-23
WO2014150286A1 (en) 2014-09-25
KR101707480B1 (ko) 2017-02-16
CN105144191A (zh) 2015-12-09
US9450646B2 (en) 2016-09-20
EP2973205A1 (en) 2016-01-20
JP6105147B2 (ja) 2017-03-29
JP2016517662A (ja) 2016-06-16

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