KR20160019922A - 저 전력 발진기 회로를 이용하여 원격 nfc 디바이스 검출을 개선하기 위한 방법들 및 장치 - Google Patents

저 전력 발진기 회로를 이용하여 원격 nfc 디바이스 검출을 개선하기 위한 방법들 및 장치 Download PDF

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Publication number
KR20160019922A
KR20160019922A KR1020167000302A KR20167000302A KR20160019922A KR 20160019922 A KR20160019922 A KR 20160019922A KR 1020167000302 A KR1020167000302 A KR 1020167000302A KR 20167000302 A KR20167000302 A KR 20167000302A KR 20160019922 A KR20160019922 A KR 20160019922A
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KR
South Korea
Prior art keywords
frequency
lpo
nfc
crystal oscillator
calibrating
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.)
Withdrawn
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KR1020167000302A
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English (en)
Korean (ko)
Inventor
안시 칼레바 하버리넨
토드 레이놀즈
안젤리카 옹
로저 브로켄브로우
상민 이
Original Assignee
퀄컴 인코포레이티드
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Publication of KR20160019922A publication Critical patent/KR20160019922A/ko
Withdrawn legal-status Critical Current

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    • H04B5/0031—
    • 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
    • H04B5/0056—
    • H04B5/0081—
    • 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
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
KR1020167000302A 2013-06-18 2014-06-13 저 전력 발진기 회로를 이용하여 원격 nfc 디바이스 검출을 개선하기 위한 방법들 및 장치 Withdrawn KR20160019922A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/920,670 US9698872B2 (en) 2013-06-18 2013-06-18 Methods and apparatus for improving remote NFC device detection using a low power oscillator circuit
US13/920,670 2013-06-18
PCT/US2014/042228 WO2014204793A1 (en) 2013-06-18 2014-06-13 Methods and apparatus for improving remote nfc device detection using a low power oscillator circuit

Publications (1)

Publication Number Publication Date
KR20160019922A true KR20160019922A (ko) 2016-02-22

Family

ID=51225007

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167000302A Withdrawn KR20160019922A (ko) 2013-06-18 2014-06-13 저 전력 발진기 회로를 이용하여 원격 nfc 디바이스 검출을 개선하기 위한 방법들 및 장치

Country Status (6)

Country Link
US (1) US9698872B2 (enExample)
EP (1) EP3011682A1 (enExample)
JP (1) JP6407985B2 (enExample)
KR (1) KR20160019922A (enExample)
CN (1) CN105308874B (enExample)
WO (1) WO2014204793A1 (enExample)

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KR102282717B1 (ko) * 2014-10-14 2021-07-27 삼성전자주식회사 Nfc 카드 리더기, 이를 포함하는 시스템 및 상기 카드 리더기의 동작 방법
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CN106909865B (zh) * 2017-03-24 2019-10-25 深圳市文鼎创数据科技有限公司 近场通信前端硬件电路、终端、读写器、系统以及方法
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240068154A (ko) 2022-11-10 2024-05-17 쓰리에이로직스(주) 스탠바이 모드에서 rf 능동 장치로부터 전송된 rf 신호를 검출할 수 있는 rf 리더기

Also Published As

Publication number Publication date
JP6407985B2 (ja) 2018-10-17
US20140370803A1 (en) 2014-12-18
WO2014204793A1 (en) 2014-12-24
JP2016528767A (ja) 2016-09-15
CN105308874A (zh) 2016-02-03
CN105308874B (zh) 2018-09-28
US9698872B2 (en) 2017-07-04
EP3011682A1 (en) 2016-04-27

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PC1203 Withdrawal of no request for examination

St.27 status event code: N-1-6-B10-B12-nap-PC1203

WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid
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