SG11201501664SA - Amplifier circuit, antenna module and wireless communication apparatus - Google Patents

Amplifier circuit, antenna module and wireless communication apparatus

Info

Publication number
SG11201501664SA
SG11201501664SA SG11201501664SA SG11201501664SA SG11201501664SA SG 11201501664S A SG11201501664S A SG 11201501664SA SG 11201501664S A SG11201501664S A SG 11201501664SA SG 11201501664S A SG11201501664S A SG 11201501664SA SG 11201501664S A SG11201501664S A SG 11201501664SA
Authority
SG
Singapore
Prior art keywords
wireless communication
communication apparatus
amplifier circuit
antenna module
antenna
Prior art date
Application number
SG11201501664SA
Inventor
Masaaki Tsuji
Kohji Kawahata
Nobunari Tsukamoto
Naohiro Itoh
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of SG11201501664SA publication Critical patent/SG11201501664SA/en

Links

Classifications

    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record 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
    • G06K19/067—Record 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
    • G06K19/07—Record 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
    • G06K19/0723—Record 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record 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
    • G06K19/067—Record 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
    • G06K19/07—Record 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
    • G06K19/0723—Record 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
    • G06K19/0726—Record 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 the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • 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
    • H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
SG11201501664SA 2012-09-13 2013-09-11 Amplifier circuit, antenna module and wireless communication apparatus SG11201501664SA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012201399 2012-09-13
JP2013009536A JP6102275B2 (en) 2012-09-13 2013-01-22 Amplifier circuit, antenna module, and wireless communication device
PCT/JP2013/075209 WO2014042277A1 (en) 2012-09-13 2013-09-11 Amplifier circuit, antenna module and wireless communication apparatus

Publications (1)

Publication Number Publication Date
SG11201501664SA true SG11201501664SA (en) 2015-04-29

Family

ID=50278379

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201501664SA SG11201501664SA (en) 2012-09-13 2013-09-11 Amplifier circuit, antenna module and wireless communication apparatus

Country Status (8)

Country Link
US (1) US9407312B2 (en)
EP (1) EP2883309B1 (en)
JP (1) JP6102275B2 (en)
KR (1) KR101661434B1 (en)
CN (1) CN104704748B (en)
CA (1) CA2884240C (en)
SG (1) SG11201501664SA (en)
WO (1) WO2014042277A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105190995A (en) 2013-03-15 2015-12-23 株式会社理光 Antenna device
MY174457A (en) 2013-09-11 2020-04-20 Ricoh Co Ltd Wireless communication apparatus and mobile device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2106449U (en) * 1991-12-19 1992-06-03 河北省邢台地区行政公署广播电视局 Float carrier amplitude modulation device
JP3392016B2 (en) 1996-09-13 2003-03-31 株式会社日立製作所 Power transmission system and power transmission and information communication system
SG54559A1 (en) * 1996-09-13 1998-11-16 Hitachi Ltd Power transmission system ic card and information communication system using ic card
JP3724450B2 (en) * 2002-04-23 2005-12-07 株式会社村田製作所 High frequency circuit for wireless communication and communication device including the same
EP1610470B1 (en) * 2003-04-01 2016-05-25 NEC Corporation Information processing terminal system and transmission/reception method using the same
DE102004031092A1 (en) 2004-06-28 2006-01-12 Giesecke & Devrient Gmbh transponder unit
WO2007013004A1 (en) * 2005-07-25 2007-02-01 Nxp B.V. Receiver for amplitude-modulated signals
JP4832028B2 (en) * 2005-08-31 2011-12-07 株式会社キーエンス Wireless tag reader
JP2007081646A (en) * 2005-09-13 2007-03-29 Toshiba Corp Transmitting/receiving device
JP4765118B2 (en) * 2006-04-13 2011-09-07 オンセミコンダクター・トレーディング・リミテッド Noise canceller and AM receiver using the same
US20080079542A1 (en) * 2006-09-26 2008-04-03 Broadcom Corporation, A California Corporation Radio frequency identification (RFID) carrier and system
DE102007041154B4 (en) * 2007-08-30 2012-11-22 Texas Instruments Deutschland Gmbh RFID transponder with a PLL and method for operating an RFID transponder
JP4885092B2 (en) 2007-09-06 2012-02-29 株式会社タムラ製作所 Booster antenna coil
US8831073B2 (en) * 2009-08-31 2014-09-09 Sony Corporation Wireless transmission system, wireless communication device, and wireless communication method
JP2013098927A (en) 2011-11-04 2013-05-20 Ricoh Co Ltd Coil antenna, coil antenna mounting body, manufacturing method of coil antenna, and manufacturing method of coil antenna mounting body

Also Published As

Publication number Publication date
US20150229346A1 (en) 2015-08-13
CA2884240A1 (en) 2014-03-20
EP2883309B1 (en) 2019-08-07
KR20150044920A (en) 2015-04-27
KR101661434B1 (en) 2016-09-29
US9407312B2 (en) 2016-08-02
CN104704748B (en) 2016-12-21
JP6102275B2 (en) 2017-03-29
CN104704748A (en) 2015-06-10
EP2883309A1 (en) 2015-06-17
CA2884240C (en) 2017-10-10
WO2014042277A1 (en) 2014-03-20
EP2883309A4 (en) 2015-08-26
JP2014075109A (en) 2014-04-24

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