CN104025112B - 用于nfc收发机中的自适应信号缩放的方法和设备 - Google Patents

用于nfc收发机中的自适应信号缩放的方法和设备 Download PDF

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Publication number
CN104025112B
CN104025112B CN201280053129.8A CN201280053129A CN104025112B CN 104025112 B CN104025112 B CN 104025112B CN 201280053129 A CN201280053129 A CN 201280053129A CN 104025112 B CN104025112 B CN 104025112B
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China
Prior art keywords
transceiver
load modulation
power
harvested
amount
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CN201280053129.8A
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English (en)
Chinese (zh)
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CN104025112A (zh
Inventor
C·马库
J·萨沃杰
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Qualcomm Inc
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Qualcomm Inc
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48Transceivers
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • G06K19/0723Record 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
CN201280053129.8A 2011-10-26 2012-10-26 用于nfc收发机中的自适应信号缩放的方法和设备 Active CN104025112B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/282,328 2011-10-26
US13/282,328 US9384373B2 (en) 2011-10-26 2011-10-26 Adaptive signal scaling in NFC transceivers
PCT/US2012/062286 WO2013063514A2 (en) 2011-10-26 2012-10-26 Adaptive signal scaling in nfc transceivers

Publications (2)

Publication Number Publication Date
CN104025112A CN104025112A (zh) 2014-09-03
CN104025112B true CN104025112B (zh) 2018-10-19

Family

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Application Number Title Priority Date Filing Date
CN201280053129.8A Active CN104025112B (zh) 2011-10-26 2012-10-26 用于nfc收发机中的自适应信号缩放的方法和设备

Country Status (7)

Country Link
US (1) US9384373B2 (enExample)
EP (1) EP2771838B1 (enExample)
JP (1) JP2014532927A (enExample)
KR (1) KR101621045B1 (enExample)
CN (1) CN104025112B (enExample)
IN (1) IN2014CN02489A (enExample)
WO (1) WO2013063514A2 (enExample)

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CN107437960B (zh) * 2016-05-27 2021-09-07 鸿富锦精密工业(深圳)有限公司 近场通信设备以及系统
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CN108446576B (zh) * 2018-01-17 2021-02-05 艾体威尔电子技术(北京)有限公司 一种终端调制深度自适应的方法
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JP6860039B2 (ja) * 2019-06-24 2021-04-14 セイコーエプソン株式会社 制御装置及び電子機器
KR102794238B1 (ko) 2019-12-17 2025-04-14 삼성전자주식회사 근거리 무선 통신 리더기, 그것의 동작 방법, 및 그것을 포함하는 전자 장치
CN111210753B (zh) * 2020-01-23 2023-06-09 京东方科技集团股份有限公司 显示驱动电路、显示驱动方法及显示装置
JP7608212B2 (ja) * 2021-03-05 2025-01-06 キヤノン株式会社 受電装置、受電装置の制御方法、及び、プログラム
CN115549714A (zh) * 2021-06-29 2022-12-30 Oppo广东移动通信有限公司 一种可穿戴设备
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Also Published As

Publication number Publication date
US20130109304A1 (en) 2013-05-02
KR20140096315A (ko) 2014-08-05
KR101621045B1 (ko) 2016-05-13
JP2014532927A (ja) 2014-12-08
US9384373B2 (en) 2016-07-05
WO2013063514A2 (en) 2013-05-02
CN104025112A (zh) 2014-09-03
EP2771838B1 (en) 2017-03-08
IN2014CN02489A (enExample) 2015-06-26
WO2013063514A3 (en) 2013-06-13
EP2771838A2 (en) 2014-09-03

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