JP2016517662A5 - - Google Patents

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Publication number
JP2016517662A5
JP2016517662A5 JP2016501084A JP2016501084A JP2016517662A5 JP 2016517662 A5 JP2016517662 A5 JP 2016517662A5 JP 2016501084 A JP2016501084 A JP 2016501084A JP 2016501084 A JP2016501084 A JP 2016501084A JP 2016517662 A5 JP2016517662 A5 JP 2016517662A5
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JP
Japan
Prior art keywords
carrier signal
nfc
target device
modulating
data
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.)
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Application number
JP2016501084A
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English (en)
Japanese (ja)
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JP6105147B2 (ja
JP2016517662A (ja
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Priority claimed from US13/908,875 external-priority patent/US9450646B2/en
Application filed filed Critical
Publication of JP2016517662A publication Critical patent/JP2016517662A/ja
Publication of JP2016517662A5 publication Critical patent/JP2016517662A5/ja
Application granted granted Critical
Publication of JP6105147B2 publication Critical patent/JP6105147B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2016501084A 2013-03-15 2014-03-10 近距離通信デバイスにおける直接的な電力送信の負荷変調 Expired - Fee Related JP6105147B2 (ja)

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 (3)

Publication Number Publication Date
JP2016517662A JP2016517662A (ja) 2016-06-16
JP2016517662A5 true JP2016517662A5 (enExample) 2016-12-15
JP6105147B2 JP6105147B2 (ja) 2017-03-29

Family

ID=51529233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016501084A Expired - Fee Related JP6105147B2 (ja) 2013-03-15 2014-03-10 近距離通信デバイスにおける直接的な電力送信の負荷変調

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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US9345050B2 (en) * 2014-02-21 2016-05-17 Sony Corporation NFC collision avoidance with controllable NFC transmission delay timing
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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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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