FR3122955B1 - Dispositif de communication en champ proche - Google Patents

Dispositif de communication en champ proche Download PDF

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Publication number
FR3122955B1
FR3122955B1 FR2104975A FR2104975A FR3122955B1 FR 3122955 B1 FR3122955 B1 FR 3122955B1 FR 2104975 A FR2104975 A FR 2104975A FR 2104975 A FR2104975 A FR 2104975A FR 3122955 B1 FR3122955 B1 FR 3122955B1
Authority
FR
France
Prior art keywords
near field
field communication
communication device
type
demodulator
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.)
Active
Application number
FR2104975A
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English (en)
Other versions
FR3122955A1 (fr
Inventor
Alexandre Tramoni
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.)
STMicroelectronics Rousset SAS
Original Assignee
STMicroelectronics Rousset SAS
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 STMicroelectronics Rousset SAS filed Critical STMicroelectronics Rousset SAS
Priority to FR2104975A priority Critical patent/FR3122955B1/fr
Priority to US17/737,875 priority patent/US12028128B2/en
Priority to CN202210510568.2A priority patent/CN115333579B/zh
Publication of FR3122955A1 publication Critical patent/FR3122955A1/fr
Application granted granted Critical
Publication of FR3122955B1 publication Critical patent/FR3122955B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • H04B5/48—Transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/73—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)

Abstract

Dispositif de communication en champ proche La présente description concerne un dispositif de communication en champ proche (10) comportant un contrôleur de communication en champ proche (20) comprenant au moins un premier démodulateur (21), adapté à appliquer une démodulation d’un premier type (D1) à un premier signal (S1) modulé selon un premier ou un deuxième type de modulation (M1, M2) ; et au moins un deuxième démodulateur (25), adapté à appliquer une démodulation d’un deuxième type (D2) au premier signal (S1). Figure pour l'abrégé : Fig. 1
FR2104975A 2021-05-11 2021-05-11 Dispositif de communication en champ proche Active FR3122955B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2104975A FR3122955B1 (fr) 2021-05-11 2021-05-11 Dispositif de communication en champ proche
US17/737,875 US12028128B2 (en) 2021-05-11 2022-05-05 Near-field communication device
CN202210510568.2A CN115333579B (zh) 2021-05-11 2022-05-11 近场通信设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104975 2021-05-11
FR2104975A FR3122955B1 (fr) 2021-05-11 2021-05-11 Dispositif de communication en champ proche

Publications (2)

Publication Number Publication Date
FR3122955A1 FR3122955A1 (fr) 2022-11-18
FR3122955B1 true FR3122955B1 (fr) 2024-10-25

Family

ID=77913153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2104975A Active FR3122955B1 (fr) 2021-05-11 2021-05-11 Dispositif de communication en champ proche

Country Status (2)

Country Link
US (1) US12028128B2 (fr)
FR (1) FR3122955B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12431922B2 (en) * 2021-08-20 2025-09-30 Semiconductor Components Industries, Llc Dynamic antenna tuning apparatus and method

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008093254A1 (fr) * 2007-01-31 2008-08-07 Nxp B.V. Circuit de démodulation pour des signaux codés ask ou signaux modulés d'amplitude et également dispositifs nfc et rfid associés
GB0714348D0 (en) * 2007-07-23 2007-09-05 Innovision Res & Tech Plc near field RF communications
CN101861703B (zh) * 2007-11-19 2013-08-28 Nxp股份有限公司 用于无接触通信的收发电路
US9019167B2 (en) * 2008-03-20 2015-04-28 Quotainne Enterprises Llc Transceiving circuit for contactless communication and NFC device or RFID reader/writer device comprising such a transceiving circuit
JP5295657B2 (ja) * 2008-06-27 2013-09-18 ルネサスエレクトロニクス株式会社 半導体集積回路、半導体集積回路を実装したｉｃカードおよびその動作方法
US20100190436A1 (en) * 2008-08-26 2010-07-29 Qualcomm Incorporated Concurrent wireless power transmission and near-field communication
US9397726B2 (en) 2010-08-23 2016-07-19 Radeum, Inc. System and method for communicating between near field communication devices within a target region using near field communication
US8983374B2 (en) * 2010-12-13 2015-03-17 Qualcomm Incorporated Receiver for near field communication and wireless power functionalities
US8929809B2 (en) 2011-03-22 2015-01-06 Radeum, Inc. Techniques for wireless communication of proximity based content
US8880100B2 (en) 2011-03-23 2014-11-04 Radium, Inc. Proximity based social networking
US9031502B2 (en) * 2012-11-16 2015-05-12 Broadcom Corporation Antenna solution for wireless power transfer—near field communication enabled communication device
KR20140110335A (ko) 2013-03-07 2014-09-17 삼성전자주식회사 근거리 무선 통신 장치의 공진 주파수 제어 방법, 근거리 무선 통신 장치 및 전자 시스템
KR102076586B1 (ko) * 2013-03-07 2020-02-13 삼성전자주식회사 근거리 무선 통신 장치 및 이를 포함하는 전자 시스템
KR102074947B1 (ko) * 2013-12-23 2020-02-07 삼성전자 주식회사 Ｎｆｃ 안테나 모듈 및 이를 포함하는 ｎｆｃ 모듈
US9838082B2 (en) * 2014-08-29 2017-12-05 Freelinc Technologies Proximity boundary based communication
KR102372835B1 (ko) 2014-11-12 2022-03-10 삼성전자주식회사 근거리 무선 통신을 위한 복조기, 근거리 무선 통신 장치 및 이를 포함하는 전자 장치
KR101664463B1 (ko) * 2015-01-23 2016-10-25 전자부품연구원 클록 동기화된 고속 저전력 송수신기
KR102388353B1 (ko) * 2015-06-29 2022-04-19 삼성전자주식회사 근거리 무선 통신 안테나, 근거리 무선 통신 장치 및 이를 포함하는 모바일 장치
US9685996B1 (en) * 2016-06-23 2017-06-20 Nxp B.V. Antenna coil tuning mechanism
US10050677B1 (en) * 2017-05-23 2018-08-14 Nxp B.V. Antenna coil tuning mechanism for magnetic communication
US10356537B2 (en) 2017-12-01 2019-07-16 Semiconductor Components Industries, Llc All-in-one method for wireless connectivity and contactless battery charging of small wearables
KR102603180B1 (ko) * 2017-12-14 2023-11-16 삼성전자주식회사 Nfc 장치의 변조 인덱스 설정 회로, nfc 장치 및 nfc 장치의 동작 방법
CN108449742B (zh) 2018-03-13 2020-05-19 北京邮电大学 一种近场通信的辅助解调系统和方法
US11296750B2 (en) * 2020-05-12 2022-04-05 Nxp B.V. Near-field wireless device including a first near-field antenna and a second near-field antenna

Also Published As

Publication number Publication date
US20220368374A1 (en) 2022-11-17
US12028128B2 (en) 2024-07-02
FR3122955A1 (fr) 2022-11-18

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