FI20065527A - RFID-lukija antennin epäsovituksen kompensoinnilla - Google Patents
RFID-lukija antennin epäsovituksen kompensoinnilla Download PDFInfo
- Publication number
- FI20065527A FI20065527A FI20065527A FI20065527A FI20065527A FI 20065527 A FI20065527 A FI 20065527A FI 20065527 A FI20065527 A FI 20065527A FI 20065527 A FI20065527 A FI 20065527A FI 20065527 A FI20065527 A FI 20065527A
- Authority
- FI
- Finland
- Prior art keywords
- rfid reader
- mismatch compensation
- antenna mismatch
- antenna
- compensation
- Prior art date
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
-
- 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
-
- 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
-
- 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
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
-
- 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
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying 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
- H04B1/40—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
- 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
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Near-Field Transmission Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20065527A FI119083B (fi) | 2006-08-24 | 2006-08-24 | RFID-lukija antennin epäsovituksen kompensoinnilla |
PCT/FI2007/050453 WO2008023096A1 (en) | 2006-08-24 | 2007-08-22 | Rfid reader with antenna mismatch compensation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20065527A FI119083B (fi) | 2006-08-24 | 2006-08-24 | RFID-lukija antennin epäsovituksen kompensoinnilla |
FI20065527 | 2006-08-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20065527A0 FI20065527A0 (fi) | 2006-08-24 |
FI20065527A true FI20065527A (fi) | 2008-02-25 |
FI119083B FI119083B (fi) | 2008-07-15 |
Family
ID=36950707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20065527A FI119083B (fi) | 2006-08-24 | 2006-08-24 | RFID-lukija antennin epäsovituksen kompensoinnilla |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI119083B (fi) |
WO (1) | WO2008023096A1 (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8285214B2 (en) * | 2008-03-10 | 2012-10-09 | Pepperl + Fuchs Gmbh | Adjustable circuit and RFID reader device |
KR100954059B1 (ko) * | 2008-07-31 | 2010-04-20 | 한국전자통신연구원 | Rfid 리더의 송신 누설 신호 억압 장치 및 방법 |
EP3203641B1 (en) * | 2016-02-08 | 2018-12-05 | Bayerische Motoren Werke Aktiengesellschaft | A filter and a method for isolating terminals in a transceiver front end |
FR3144367A1 (fr) * | 2022-12-23 | 2024-06-28 | Banks And Acquirers International Holding | Procédé de détermination de l’état d’une antenne |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9423027D0 (en) * | 1994-11-15 | 1995-01-04 | Univ Bristol | Full-duplex radio transmitter/receiver |
US5691978A (en) * | 1995-04-07 | 1997-11-25 | Signal Science, Inc. | Self-cancelling full-duplex RF communication system |
WO2000021204A1 (en) * | 1998-10-06 | 2000-04-13 | Crosslink, Inc. | A system for reducing transmitter cross-talk in receive part of a rf transceiver |
US20040106381A1 (en) * | 2002-09-06 | 2004-06-03 | Engim Incorporated | Transmit signal cancellation in wireless receivers |
WO2005076489A1 (ja) * | 2004-02-04 | 2005-08-18 | Brother Kogyo Kabushiki Kaisha | 無線タグ通信装置 |
WO2006037241A1 (de) * | 2004-10-08 | 2006-04-13 | Elektrobit Ag | Verfahren und vorrichtung zur unterdrückung eines sendesignals in einem empfänger eines rfid schreib-/lesegeräts |
KR100617322B1 (ko) * | 2005-05-09 | 2006-08-30 | 한국전자통신연구원 | 송신누설신호를 제거하는 rfid 리더기 수신 장치 |
FI119670B (fi) * | 2005-07-08 | 2009-01-30 | Valtion Teknillinen | RFID-lukulaitteisto ja -menetelmä |
-
2006
- 2006-08-24 FI FI20065527A patent/FI119083B/fi not_active IP Right Cessation
-
2007
- 2007-08-22 WO PCT/FI2007/050453 patent/WO2008023096A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FI119083B (fi) | 2008-07-15 |
FI20065527A0 (fi) | 2006-08-24 |
WO2008023096A1 (en) | 2008-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |