JP2005535968A - 無線周波数識別リーダー読取範囲増加用パルスパワー方法 - Google Patents
無線周波数識別リーダー読取範囲増加用パルスパワー方法 Download PDFInfo
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- JP2005535968A JP2005535968A JP2004528030A JP2004528030A JP2005535968A JP 2005535968 A JP2005535968 A JP 2005535968A JP 2004528030 A JP2004528030 A JP 2004528030A JP 2004528030 A JP2004528030 A JP 2004528030A JP 2005535968 A JP2005535968 A JP 2005535968A
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- Prior art keywords
- radio frequency
- frequency identification
- tag
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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
- G06K7/10—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
- G06K7/10198—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 setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10217—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 setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings controlling the transmission power of the interrogator
-
- 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
- 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.
Abstract
Description
Claims (6)
- パルス無線周波数識別問合せ信号を送信するステップと、
無線周波数識別タグから応答信号を受信するステップと、
前記応答信号を受信した後、前記パルス無線周波数識別問合せ信号、及び連続無線周波数識別問合せ信号を同時に送信するステップと、
他の無線周波数識別タグから応答信号を受信しなくなった後で、前記パルス無線周波数識別問合せ信号のみを送信するステップと、
を含む無線周波数識別タグ読み取り範囲を増加するために無線周波数識別問合せ信号を送信する方法。 - 前記応答信号を受信した後、前記無線周波数識別タグに関するデータを読み取るステップと、前記無線周波数識別タグをオフにして前記無線周波数識別タグが応答信号を発生しないようにするステップとをさらに含む、請求項1記載の方法。
- 他の無線周波数識別タグから応答信号を受信しなくなった後にパルス無線周波数識別問合せ信号のみの送信より前に、全ての無線周波数識別タグをオンにするステップをさらに含む、請求項2記載の方法。
- 他の無線周波数識別タグから応答信号を受信しなくなった後にパルス無線周波数識別問合せ信号のみの送信前に、予め選択された無線周波数識別タグをオンにするステップとをさらに含む、請求項2記載の方法。
- 前記パルス無線周波数識別問合せ信号を送信するステップは、約200ミリ秒にわたり測定される15%のデューティサイクルで約4ワットまでのレベルのパルス無線周波数識別問合せ信号を送信するステップを含む、請求項1記載の方法。
- 前記パルス無線周波数識別問合せ信号、及び前記連続無線周波数識別問合せ信号を送信するステップは、前記パルス無線周波数識別問合せ信号、及び約500ミリワットまでのレベルの連続無線周波数識別問合せ信号を送信するステップを含む、請求項5記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/216,576 US6707376B1 (en) | 2002-08-09 | 2002-08-09 | Pulsed power method for increased read range for a radio frequency identification reader |
PCT/US2003/025112 WO2004015613A2 (en) | 2002-08-09 | 2003-08-11 | Pulsed power method for increased read range for a radio frequency identification reader |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005535968A true JP2005535968A (ja) | 2005-11-24 |
JP4563175B2 JP4563175B2 (ja) | 2010-10-13 |
Family
ID=31714293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004528030A Expired - Fee Related JP4563175B2 (ja) | 2002-08-09 | 2003-08-11 | 無線周波数識別リーダー読取範囲増加用パルスパワー方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6707376B1 (ja) |
EP (1) | EP1527616B1 (ja) |
JP (1) | JP4563175B2 (ja) |
CN (1) | CN100527858C (ja) |
AT (1) | ATE547765T1 (ja) |
AU (1) | AU2003269958B2 (ja) |
CA (1) | CA2492062C (ja) |
ES (1) | ES2380660T3 (ja) |
HK (1) | HK1073961A1 (ja) |
IL (1) | IL165782A (ja) |
WO (1) | WO2004015613A2 (ja) |
Cited By (3)
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JP2009087049A (ja) * | 2007-09-28 | 2009-04-23 | Brother Ind Ltd | 無線タグ通信装置及び無線タグ通信システム |
JP2009087048A (ja) * | 2007-09-28 | 2009-04-23 | Brother Ind Ltd | 無線タグ通信装置及び無線タグ通信システム |
US8184007B2 (en) | 2007-07-02 | 2012-05-22 | Toshiba Tec Kabushiki Kaisha | Wireless tag reader/writer |
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- 2003-08-11 AU AU2003269958A patent/AU2003269958B2/en not_active Ceased
- 2003-08-11 CA CA2492062A patent/CA2492062C/en not_active Expired - Fee Related
- 2003-08-11 CN CNB038171422A patent/CN100527858C/zh not_active Expired - Fee Related
- 2003-08-11 EP EP03751850A patent/EP1527616B1/en not_active Expired - Lifetime
- 2003-08-11 JP JP2004528030A patent/JP4563175B2/ja not_active Expired - Fee Related
- 2003-08-11 ES ES03751850T patent/ES2380660T3/es not_active Expired - Lifetime
- 2003-08-11 AT AT03751850T patent/ATE547765T1/de active
- 2003-08-11 WO PCT/US2003/025112 patent/WO2004015613A2/en active Application Filing
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2004
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-
2005
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Cited By (3)
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US8184007B2 (en) | 2007-07-02 | 2012-05-22 | Toshiba Tec Kabushiki Kaisha | Wireless tag reader/writer |
JP2009087049A (ja) * | 2007-09-28 | 2009-04-23 | Brother Ind Ltd | 無線タグ通信装置及び無線タグ通信システム |
JP2009087048A (ja) * | 2007-09-28 | 2009-04-23 | Brother Ind Ltd | 無線タグ通信装置及び無線タグ通信システム |
Also Published As
Publication number | Publication date |
---|---|
AU2003269958B2 (en) | 2007-08-23 |
CA2492062A1 (en) | 2004-02-19 |
CN100527858C (zh) | 2009-08-12 |
ES2380660T3 (es) | 2012-05-17 |
ATE547765T1 (de) | 2012-03-15 |
AU2003269958A1 (en) | 2004-02-25 |
HK1073961A1 (en) | 2005-10-21 |
CA2492062C (en) | 2010-04-06 |
IL165782A0 (en) | 2006-01-15 |
CN1669340A (zh) | 2005-09-14 |
JP4563175B2 (ja) | 2010-10-13 |
EP1527616A2 (en) | 2005-05-04 |
IL165782A (en) | 2009-12-24 |
WO2004015613A2 (en) | 2004-02-19 |
WO2004015613A3 (en) | 2004-07-08 |
EP1527616A4 (en) | 2009-05-13 |
EP1527616B1 (en) | 2012-02-29 |
US20040036575A1 (en) | 2004-02-26 |
US6707376B1 (en) | 2004-03-16 |
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