HK1185726A1 - 具有可調節增益的近場通信裝置 - Google Patents

具有可調節增益的近場通信裝置

Info

Publication number
HK1185726A1
HK1185726A1 HK13112845.7A HK13112845A HK1185726A1 HK 1185726 A1 HK1185726 A1 HK 1185726A1 HK 13112845 A HK13112845 A HK 13112845A HK 1185726 A1 HK1185726 A1 HK 1185726A1
Authority
HK
Hong Kong
Prior art keywords
nfc
near field
field communications
adjustable gain
gain
Prior art date
Application number
HK13112845.7A
Other languages
English (en)
Inventor
菲利普．斯圖爾特．羅伊斯頓
Original Assignee
美國博通公司
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 美國博通公司 filed Critical 美國博通公司
Publication of HK1185726A1 publication Critical patent/HK1185726A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B5/48—
    • H04B5/70—
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0082—Quadrature arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/26—Monitoring; Testing of receivers using historical data, averaging values or statistics
    • H04B5/24—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
HK13112845.7A 2012-03-12 2013-11-15 具有可調節增益的近場通信裝置 HK1185726A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/418,174 US9184798B2 (en) 2012-03-12 2012-03-12 Near field communications (NFC) device having adjustable gain

Publications (1)

Publication Number Publication Date
HK1185726A1 true HK1185726A1 (zh) 2014-02-21

Family

ID=46799956

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13112845.7A HK1185726A1 (zh) 2012-03-12 2013-11-15 具有可調節增益的近場通信裝置

Country Status (6)

Country Link
US (2) US9184798B2 (zh)
EP (1) EP2639974B1 (zh)
KR (1) KR101492948B1 (zh)
CN (1) CN103312363B (zh)
HK (1) HK1185726A1 (zh)
TW (1) TWI512634B (zh)

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Also Published As

Publication number Publication date
EP2639974B1 (en) 2018-04-18
CN103312363A (zh) 2013-09-18
EP2639974A3 (en) 2015-12-09
KR101492948B1 (ko) 2015-02-12
US9184798B2 (en) 2015-11-10
EP2639974A2 (en) 2013-09-18
US20160066131A1 (en) 2016-03-03
CN103312363B (zh) 2016-03-23
KR20130105259A (ko) 2013-09-25
TW201337781A (zh) 2013-09-16
US9497578B2 (en) 2016-11-15
US20130237150A1 (en) 2013-09-12
TWI512634B (zh) 2015-12-11

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20191229