GB0603968D0 - Transceiver apparatus - Google Patents

Transceiver apparatus

Info

Publication number
GB0603968D0
GB0603968D0 GB0603968A GB0603968A GB0603968D0 GB 0603968 D0 GB0603968 D0 GB 0603968D0 GB 0603968 A GB0603968 A GB 0603968A GB 0603968 A GB0603968 A GB 0603968A GB 0603968 D0 GB0603968 D0 GB 0603968D0
Authority
GB
United Kingdom
Prior art keywords
transceiver apparatus
transceiver
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Withdrawn
Application number
GB0603968A
Other versions
GB2428940A (en
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB0603968D0 publication Critical patent/GB0603968D0/en
Priority to PCT/GB2006/050208 priority Critical patent/WO2007012893A1/en
Publication of GB2428940A publication Critical patent/GB2428940A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
    • 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
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Transceivers (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB0603968A 2005-07-25 2006-02-28 Carrier leakage cancellation in an RFID reader Withdrawn GB2428940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/GB2006/050208 WO2007012893A1 (en) 2005-07-25 2006-07-17 Transceiver apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0515110A GB0515110D0 (en) 2005-07-25 2005-07-25 Interrogation system

Publications (2)

Publication Number Publication Date
GB0603968D0 true GB0603968D0 (en) 2006-04-05
GB2428940A GB2428940A (en) 2007-02-07

Family

ID=34976418

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0515110A Ceased GB0515110D0 (en) 2005-07-25 2005-07-25 Interrogation system
GB0603968A Withdrawn GB2428940A (en) 2005-07-25 2006-02-28 Carrier leakage cancellation in an RFID reader

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0515110A Ceased GB0515110D0 (en) 2005-07-25 2005-07-25 Interrogation system

Country Status (1)

Country Link
GB (2) GB0515110D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2491883B (en) * 2011-06-16 2013-10-02 Cambridge Silicon Radio A near field communications receiver
GB2492362B (en) 2011-06-29 2013-12-11 Cambridge Silicon Radio Ltd A near field communications transmitter
GB2492775B (en) 2011-07-11 2013-08-28 Cambridge Silicon Radio Ltd Near field communications apparatus
GB2493000B (en) 2011-07-20 2013-07-10 Cambridge Silicon Radio Ltd A power supply module
US9325184B2 (en) 2013-12-19 2016-04-26 Qualcomm Technologies International, Ltd. Apparatus for wirelessly charging a rechargeable battery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171879B (en) * 1984-12-11 1989-01-11 Plessey Co Plc Improvements relating to radio communication systems
GB2226204A (en) * 1988-12-07 1990-06-20 Philips Electronic Associated Continuously transmitting and receiving radar
US5574978A (en) * 1994-05-12 1996-11-12 American Nucleonics Corporation Interference cancellation system and radio system for multiple radios on a small platform
GB2329560A (en) * 1997-07-28 1999-03-24 Roke Manor Research Bias control for radio transmitter
US7369811B2 (en) * 2004-04-30 2008-05-06 Wj Communications, Inc. System and method for sensitivity optimization of RF receiver using adaptive nulling

Also Published As

Publication number Publication date
GB0515110D0 (en) 2005-08-31
GB2428940A (en) 2007-02-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)