JP2007193772A - 電波識別リーダー及び電波識別システム - Google Patents
電波識別リーダー及び電波識別システム Download PDFInfo
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- JP2007193772A JP2007193772A JP2006293076A JP2006293076A JP2007193772A JP 2007193772 A JP2007193772 A JP 2007193772A JP 2006293076 A JP2006293076 A JP 2006293076A JP 2006293076 A JP2006293076 A JP 2006293076A JP 2007193772 A JP2007193772 A JP 2007193772A
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- radio wave
- wave identification
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- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 10
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/34—Supporting means, e.g. frames
- E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
- E04H15/48—Supporting means, e.g. frames collapsible, e.g. breakdown type foldable, i.e. having pivoted or hinged means
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- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/28—Umbrella type tents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/60—Poles
-
- 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
- G06K7/10019—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10069—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the frequency domain, e.g. by hopping from one frequency to the other
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- 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
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
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- 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
Abstract
【解決手段】本発明に係る電波識別リーダーは、LBT方式の電波識別リーダー300であって、タグデータ信号を受信するデータ経路部340と、チャネル検索信号を受信する検索経路部350と、データ経路又は検索経路のうちのいずれかの経路を選択する経路選択部とを備える。
【選択図】図3
Description
S=CPL+lossSW+(NFIC1-NFIC2)
S=-174dBm/Hz+10log(200kHz)+requiredC/N+(NFIC1+loss)
=-174+53+12+(NFIC1+loss)
=-109+(NFIC1+17)
=-70dBm
S=-174dBm/Hz+10log(200kHz)+requiredC/N+(NFIC1+loss)
=-174+53+10+(NFIC1+loss)
=-111+(22+17)
=-72dBm
S=-174dBm/Hz+10log(200kHz)+requiredC/N+(NFIC2+loss)
=-174+53+10+(NFIC2+loss)
=-111+(NFIC2+3)
=-108+NFIC2
310 共通回路部
320 パワー経路部
330 アンテナ
340 データ経路部
350 検索経路部
311 周波数発振器
312 発振周波数増幅器
313 漏れ信号除去器
314 カプラー
321 アップ変換混合器
322 駆動増幅器
323 パワー増幅器
341 加算器
342 ダウン変換混合器
351 選択スイッチング手段
352 増幅手段
353 絶縁スイッチング手段
Claims (6)
- LBT(Listen Before Talk)方式の電波識別リーダーにおいて、
タグデータ信号を受信するデータ経路部と、
チャネル検索信号を受信する検索経路部と、
前記データ経路又は前記検索経路のうちのいずれかの経路を選択する経路選択部と
を備えることを特徴とする電波識別リーダー。 - 前記検索経路部が、前記チャネル検索信号を増幅する増幅手段を備えることを特徴とする請求項1に記載の電波識別リーダー。
- 前記検索経路部が、前記検索経路と前記データ経路との間のアイソレーションのための絶縁スイッチング手段を備えることを特徴とする請求項1に記載の電波識別リーダー。
- 前記電波識別リーダーが、パワー信号を送信するパワー経路部をさらに備えることを特徴とする請求項1に記載の電波識別リーダー。
- 前記電波識別リーダーが、前記タグデータ信号、前記チャネル検索信号又は前記パワー信号を同じアンテナを利用して送信又は受信することを特徴とする請求項4に記載の電波識別リーダー。
- 請求項1の電波識別リーダーと、
前記電波識別リーダと信号を送受信する電子タグと
を備えることを特徴とする電波識別システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060004792A KR100666340B1 (ko) | 2006-01-17 | 2006-01-17 | 전파식별 리더기 및 전파식별 시스템. |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007193772A true JP2007193772A (ja) | 2007-08-02 |
JP4368372B2 JP4368372B2 (ja) | 2009-11-18 |
Family
ID=37867363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006293076A Expired - Fee Related JP4368372B2 (ja) | 2006-01-17 | 2006-10-27 | 電波識別リーダー及び電波識別システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070176746A1 (ja) |
EP (1) | EP1816581A1 (ja) |
JP (1) | JP4368372B2 (ja) |
KR (1) | KR100666340B1 (ja) |
CN (1) | CN100511260C (ja) |
DE (1) | DE602006009609D1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008033964A1 (de) | 2007-07-25 | 2009-02-19 | Ricoh Printing Systems, Ltd. | Elektrofotografische Endlosbogenvorrichtung und Schreibstartpunktsteuerverfahren hiervon |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5027398B2 (ja) | 2005-09-27 | 2012-09-19 | ルネサスエレクトロニクス株式会社 | Icタグ識別方法 |
US8284032B2 (en) | 2006-11-28 | 2012-10-09 | Samsung Electronics Co., Ltd. | Method and apparatus for signal detection in radio frequency identification system |
KR100932902B1 (ko) * | 2007-08-29 | 2009-12-21 | 한국전자통신연구원 | 이중 감도 모드를 갖는 리더 간 통신 방법 및 장치 |
CN101561864B (zh) * | 2009-03-12 | 2011-05-18 | 上海秀派电子科技有限公司 | 信息交互装置 |
CN101640546B (zh) * | 2009-07-22 | 2013-03-20 | 上海坤锐电子科技有限公司 | 一种rfid读写器接收模拟基带电路 |
US9030052B2 (en) | 2011-05-17 | 2015-05-12 | Samsung Electronics Co., Ltd. | Apparatus and method for using near field communication and wireless power transmission |
KR101694520B1 (ko) * | 2013-11-26 | 2017-01-10 | 한국전자통신연구원 | 루프 안테나 및 그의 스위칭 방법 |
US20160147803A1 (en) * | 2014-11-24 | 2016-05-26 | International Business Machines Corporation | Pattern-based problem determination guidance |
JP6587259B2 (ja) | 2015-04-10 | 2019-10-09 | ゼットティーイー コーポレイション | アンライセンス搬送波の競争方法及び装置 |
CN105978569B (zh) * | 2016-06-16 | 2020-03-27 | 北京中科国技信息系统有限公司 | 射频识别信号处理方法、电路、装置及标签读写器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0730458A (ja) * | 1992-11-06 | 1995-01-31 | Texas Instr Deutschland Gmbh | 多重呼掛部、データ通信およびトランスポンダ装置 |
US6114971A (en) | 1997-08-18 | 2000-09-05 | X-Cyte, Inc. | Frequency hopping spread spectrum passive acoustic wave identification device |
US6639509B1 (en) * | 1998-03-16 | 2003-10-28 | Intermec Ip Corp. | System and method for communicating with an RFID transponder with reduced noise and interference |
US6791489B1 (en) | 2001-03-12 | 2004-09-14 | Northrop Grumman Corporation | Radio tag for LFM radar |
KR100438444B1 (ko) * | 2002-01-18 | 2004-07-03 | 삼성전자주식회사 | 무선통신시스템의 주파수 대역 할당 장치 및 방법 |
US7197279B2 (en) * | 2003-12-31 | 2007-03-27 | Wj Communications, Inc. | Multiprotocol RFID reader |
US7119738B2 (en) * | 2004-03-01 | 2006-10-10 | Symbol Technologies, Inc. | Object location system and method using RFID |
KR100634575B1 (ko) * | 2004-05-12 | 2006-10-16 | 주식회사 케이티프리텔 | 업링크 성능 향상을 위한 적응변조코딩 방법 및 장치 |
US7259676B2 (en) * | 2005-05-31 | 2007-08-21 | Symbol Technologies, Inc. | Mode-diversity RFAID tag and interrogator system and method for identifying an RFAID transponder |
KR100717881B1 (ko) * | 2005-09-23 | 2007-05-14 | 한국전자통신연구원 | 모바일 rfⅰd 리더 및 그 제어 방법 |
-
2006
- 2006-01-17 KR KR1020060004792A patent/KR100666340B1/ko not_active IP Right Cessation
- 2006-10-20 US US11/551,658 patent/US20070176746A1/en not_active Abandoned
- 2006-10-27 JP JP2006293076A patent/JP4368372B2/ja not_active Expired - Fee Related
- 2006-10-30 EP EP06022620A patent/EP1816581A1/en not_active Withdrawn
- 2006-11-03 CN CNB2006101376953A patent/CN100511260C/zh not_active Expired - Fee Related
- 2006-11-14 DE DE602006009609T patent/DE602006009609D1/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008033964A1 (de) | 2007-07-25 | 2009-02-19 | Ricoh Printing Systems, Ltd. | Elektrofotografische Endlosbogenvorrichtung und Schreibstartpunktsteuerverfahren hiervon |
Also Published As
Publication number | Publication date |
---|---|
US20070176746A1 (en) | 2007-08-02 |
DE602006009609D1 (de) | 2009-11-19 |
JP4368372B2 (ja) | 2009-11-18 |
CN100511260C (zh) | 2009-07-08 |
KR100666340B1 (ko) | 2007-01-09 |
CN101004783A (zh) | 2007-07-25 |
EP1816581A1 (en) | 2007-08-08 |
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