DK0983569T3 - Forbedret identifikationssystem - Google Patents
Forbedret identifikationssystemInfo
- Publication number
- DK0983569T3 DK0983569T3 DK98921613T DK98921613T DK0983569T3 DK 0983569 T3 DK0983569 T3 DK 0983569T3 DK 98921613 T DK98921613 T DK 98921613T DK 98921613 T DK98921613 T DK 98921613T DK 0983569 T3 DK0983569 T3 DK 0983569T3
- Authority
- DK
- Denmark
- Prior art keywords
- reader
- transponder
- transponders
- signal
- identification system
- 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
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
-
- 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
- G06K7/10346—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 the antenna being of the far field type, e.g. HF types or dipoles
-
- 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.
- G06K7/10029—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 time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
- G06K7/10039—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 time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous
-
- 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.
- G06K7/10029—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 time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
- G06K7/10059—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 time domain, e.g. using binary tree search or RFID responses allocated to a random time slot transponder driven
-
- 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
- G06K7/10336—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 the antenna being of the near field type, inductive coil
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9709741.4A GB9709741D0 (en) | 1997-05-14 | 1997-05-14 | Enhanced identification system |
GBGB9724185.5A GB9724185D0 (en) | 1997-11-14 | 1997-11-14 | Enhanced identification system |
PCT/GB1998/001385 WO1998052142A1 (en) | 1997-05-14 | 1998-05-14 | Enhanced identification system |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0983569T3 true DK0983569T3 (da) | 2004-02-09 |
Family
ID=26311531
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK98921613T DK0983569T3 (da) | 1997-05-14 | 1998-05-14 | Forbedret identifikationssystem |
DK02024117T DK1280092T3 (da) | 1997-05-14 | 1998-05-14 | Forbedret identifikationssystem |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK02024117T DK1280092T3 (da) | 1997-05-14 | 1998-05-14 | Forbedret identifikationssystem |
Country Status (16)
Country | Link |
---|---|
US (4) | US6661336B1 (de) |
EP (3) | EP1462983B1 (de) |
JP (1) | JP4172727B2 (de) |
KR (1) | KR100525317B1 (de) |
CN (1) | CN1255994A (de) |
AT (3) | ATE283517T1 (de) |
AU (1) | AU745638B2 (de) |
BR (1) | BR9808714A (de) |
CA (1) | CA2289207A1 (de) |
DE (3) | DE69827858T2 (de) |
DK (2) | DK0983569T3 (de) |
ES (2) | ES2231634T3 (de) |
IL (1) | IL132297A (de) |
NZ (1) | NZ337966A (de) |
RU (1) | RU2238585C2 (de) |
WO (1) | WO1998052142A1 (de) |
Families Citing this family (76)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2231634T3 (es) | 1997-05-14 | 2005-05-16 | Btg International Limited | Sistema de identificacion potenciado. |
US6432050B1 (en) * | 1997-12-30 | 2002-08-13 | Remon Medical Technologies Ltd. | Implantable acoustic bio-sensing system and method |
FR2788858B1 (fr) * | 1999-01-22 | 2001-03-02 | Gemplus Card Int | Maintien d'un canal avec anticollision dans un systeme d'identification electronique |
FR2795542B1 (fr) * | 1999-06-25 | 2001-10-12 | Gemplus Card Int | Procede d'identification d'etiquettes electroniques par rondes adaptatives |
EP1734460A2 (de) * | 2000-06-12 | 2006-12-20 | BTG International Limited | Leseprotokoll für Transponder elektronischer Identifikationssysteme |
KR100486754B1 (ko) * | 2000-08-31 | 2005-05-03 | 매그나칩 반도체 유한회사 | 데이터 충돌을 방지한 무선주파수 식별 태그 시스템 및데이터 충돌 방지 방법 |
US7283874B2 (en) | 2000-10-16 | 2007-10-16 | Remon Medical Technologies Ltd. | Acoustically powered implantable stimulating device |
US20020180587A1 (en) * | 2001-03-05 | 2002-12-05 | Datamars Sa | Method for communication with multiple transponders |
FR2825226B1 (fr) * | 2001-05-25 | 2008-02-01 | Fabien Beckers | Procede et systeme pour fournir des informations en relation avec la position occupee par un utilisateur dans un site |
US6988667B2 (en) | 2001-05-31 | 2006-01-24 | Alien Technology Corporation | Methods and apparatuses to identify devices |
EP1288841A1 (de) * | 2001-08-30 | 2003-03-05 | Motorola, Inc. | Passives Antwort Kommunikationssystem |
ATE393514T1 (de) * | 2001-09-14 | 2008-05-15 | Ericsson Telefon Ab L M | Drahtloses kommunikationssystem mit erkennung von fremdstrahlungsquellen |
US7193504B2 (en) * | 2001-10-09 | 2007-03-20 | Alien Technology Corporation | Methods and apparatuses for identification |
US7011250B2 (en) * | 2001-12-20 | 2006-03-14 | Matsushita Electric Industrial Co., Ltd. | IC card reader/writer, identification method and program |
US7019617B2 (en) * | 2002-10-02 | 2006-03-28 | Battelle Memorial Institute | Radio frequency identification devices, backscatter communication device wake-up methods, communication device wake-up methods and a radio frequency identification device wake-up method |
US7009495B2 (en) * | 2002-10-02 | 2006-03-07 | Battelle Memorial Institute | System and method to identify multiple RFID tags |
US6995655B2 (en) * | 2002-10-02 | 2006-02-07 | Battelle Memorial Institute | Method of simultaneously reading multiple radio frequency tags, RF tags, and RF reader |
SI21392A (sl) * | 2002-12-24 | 2004-06-30 | Vinko Kunc | Postopek za avtomatsko nastavitev ojačenja izpraševalnikovega sprejemnika v brezkontaktnem identifikacijskem sistemu |
US7005965B2 (en) * | 2003-02-14 | 2006-02-28 | Winbond Electronics Corporation | Radio frequency identification device |
JP2004260708A (ja) * | 2003-02-27 | 2004-09-16 | Mitsumi Electric Co Ltd | 通信システム及び通信装置 |
US8542717B2 (en) | 2003-03-03 | 2013-09-24 | Veroscan, Inc. | Interrogator and interrogation system employing the same |
US7019650B2 (en) | 2003-03-03 | 2006-03-28 | Caducys, L.L.C. | Interrogator and interrogation system employing the same |
US8102244B2 (en) | 2003-08-09 | 2012-01-24 | Alien Technology Corporation | Methods and apparatuses to identify devices |
US7119664B2 (en) * | 2003-09-17 | 2006-10-10 | Id Solutions, Inc. | Deep sleep in an RFID tag |
US8930582B2 (en) * | 2003-10-31 | 2015-01-06 | Oracle America, Inc. | Method and apparatus for regulating communications between multiple transmitters and receivers |
US7716160B2 (en) | 2003-11-07 | 2010-05-11 | Alien Technology Corporation | Methods and apparatuses to identify devices |
US7612652B2 (en) * | 2003-12-09 | 2009-11-03 | Intelleflex Corporation | Battery activation circuit |
US20050134436A1 (en) * | 2003-12-19 | 2005-06-23 | George Brookner | Multiple RFID anti-collision interrogation method |
GB2453477A (en) | 2004-02-06 | 2009-04-08 | Zih Corp | Identifying a plurality of transponders |
JP4328705B2 (ja) * | 2004-02-27 | 2009-09-09 | 均 北吉 | Rfidタグ装置 |
US7327802B2 (en) * | 2004-03-19 | 2008-02-05 | Sirit Technologies Inc. | Method and apparatus for canceling the transmitted signal in a homodyne duplex transceiver |
US20060017545A1 (en) * | 2004-03-26 | 2006-01-26 | Volpi John P | Radio frequency identification interrogation systems and methods of operating the same |
US7501948B2 (en) * | 2004-09-29 | 2009-03-10 | Lone Star Ip Holdings, Lp | Interrogation system employing prior knowledge about an object to discern an identity thereof |
US20060082442A1 (en) * | 2004-10-18 | 2006-04-20 | Impinj, Inc., A Delaware Corporation | Preambles with relatively unambiguous autocorrelation peak in RFID systems |
US7604178B2 (en) | 2005-05-11 | 2009-10-20 | Intelleflex Corporation | Smart tag activation |
US8198985B2 (en) * | 2005-05-31 | 2012-06-12 | Amtech Systems, LLC | Automatic mode detection in a dual operating mode RFID tag |
US7321290B2 (en) * | 2005-10-02 | 2008-01-22 | Visible Assets, Inc. | Radio tag and system |
KR100682062B1 (ko) * | 2005-06-23 | 2007-02-15 | 삼성전자주식회사 | 리더기, 태그, 전파식별(rfid) 시스템 및 전파 식별방법 |
US8248211B2 (en) | 2005-07-20 | 2012-08-21 | Intelleflex Corporation | Selective RF device activation |
US8872633B2 (en) * | 2005-07-20 | 2014-10-28 | Intelleflex Corporation | Ramped interrogation power levels |
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 |
US7772963B2 (en) * | 2005-10-20 | 2010-08-10 | Honeywell International Inc. | System and method for synchronization of data streams |
WO2007052921A1 (en) | 2005-10-31 | 2007-05-10 | Lg Electronics Inc. | Data receiving method for mobile communication terminal |
US8078103B2 (en) | 2005-10-31 | 2011-12-13 | Zih Corp. | Multi-element RFID coupler |
US8548098B2 (en) | 2005-12-15 | 2013-10-01 | Intelleflex Corporation | Clock-free activation circuit |
US9524405B2 (en) * | 2005-12-21 | 2016-12-20 | Koninklijke Philips N.V. | Collaborating RFID devices |
WO2007127948A2 (en) | 2006-04-27 | 2007-11-08 | Sirit Technologies Inc. | Adjusting parameters associated with leakage signals |
US7852964B2 (en) * | 2006-06-19 | 2010-12-14 | Mayflower Communications Company, Inc. | Antijam filter system and method for high fidelity high data rate wireless communication |
US7755505B2 (en) * | 2006-09-06 | 2010-07-13 | Lutron Electronics Co., Inc. | Procedure for addressing remotely-located radio frequency components of a control system |
US7880639B2 (en) * | 2006-09-06 | 2011-02-01 | Lutron Electronics Co., Inc. | Method of establishing communication with wireless control devices |
US7768422B2 (en) * | 2006-09-06 | 2010-08-03 | Carmen Jr Lawrence R | Method of restoring a remote wireless control device to a known state |
US20080055073A1 (en) * | 2006-09-06 | 2008-03-06 | Lutron Electronics Co., Inc. | Method of discovering a remotely-located wireless control device |
DE102006052708B3 (de) | 2006-11-08 | 2008-06-19 | Siemens Ag | Anordnung und Verfahren zur Datenerfassung |
US7999675B2 (en) * | 2007-02-21 | 2011-08-16 | Impinj, Inc. | RFID tags replying using changed reply timing |
US20080280560A1 (en) * | 2007-05-09 | 2008-11-13 | Micron Technology, Inc. | Method and system of placing a rfid tag in a continuous transmission mode |
US8248212B2 (en) | 2007-05-24 | 2012-08-21 | Sirit Inc. | Pipelining processes in a RF reader |
JP2010528814A (ja) | 2007-06-14 | 2010-08-26 | カーディアック ペースメイカーズ, インコーポレイテッド | 多素子音響再充電システム |
US8063740B1 (en) | 2008-02-20 | 2011-11-22 | Impinj, Inc. | Interfacing to RFID reader utility that causes RFID tags to reply using changed reply timing |
US9104923B1 (en) * | 2008-02-21 | 2015-08-11 | Impinj, Inc. | Encapsulating commands for RFID tags and RFID readers |
US8427316B2 (en) | 2008-03-20 | 2013-04-23 | 3M Innovative Properties Company | Detecting tampered with radio frequency identification tags |
US8446256B2 (en) * | 2008-05-19 | 2013-05-21 | Sirit Technologies Inc. | Multiplexing radio frequency signals |
US8410906B1 (en) * | 2008-09-05 | 2013-04-02 | Intelleflex Corporation | Battery assisted RFID system RF power control and interference mitigation methods |
US8593107B2 (en) | 2008-10-27 | 2013-11-26 | Cardiac Pacemakers, Inc. | Methods and systems for recharging an implanted device by delivering a section of a charging device adjacent the implanted device within a body |
US8169312B2 (en) * | 2009-01-09 | 2012-05-01 | Sirit Inc. | Determining speeds of radio frequency tags |
US20100289623A1 (en) * | 2009-05-13 | 2010-11-18 | Roesner Bruce B | Interrogating radio frequency identification (rfid) tags |
US8416079B2 (en) * | 2009-06-02 | 2013-04-09 | 3M Innovative Properties Company | Switching radio frequency identification (RFID) tags |
US20110205025A1 (en) * | 2010-02-23 | 2011-08-25 | Sirit Technologies Inc. | Converting between different radio frequencies |
EP2509027B1 (de) * | 2011-04-04 | 2019-02-06 | Nxp B.V. | Verfahren zur Kollisionshandhabung in einem Identifikationssystem |
US9035774B2 (en) | 2011-04-11 | 2015-05-19 | Lone Star Ip Holdings, Lp | Interrogator and system employing the same |
US8958550B2 (en) | 2011-09-13 | 2015-02-17 | Combined Conditional Access Development & Support. LLC (CCAD) | Encryption operation with real data rounds, dummy data rounds, and delay periods |
US10062025B2 (en) | 2012-03-09 | 2018-08-28 | Neology, Inc. | Switchable RFID tag |
FR3000587B1 (fr) * | 2012-12-27 | 2016-04-15 | Commissariat Energie Atomique | Dispositif de detection du vol d'un objet |
US9323964B2 (en) | 2013-08-20 | 2016-04-26 | Cubic Corporation | Card detection and selection |
FR3025608B1 (fr) * | 2014-09-05 | 2019-04-19 | Geocolis | Suivi d'objets embarques dans une unite de transport |
US10726696B1 (en) | 2019-03-13 | 2020-07-28 | Rade Security Solutions, Llc | Apparatus and methods for providing emergency alerts and securing a premises |
EP3869383B1 (de) * | 2020-02-20 | 2023-07-19 | Continental Automotive Technologies GmbH | Verfahren zur identifizierung einer passiven rfid-karte |
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ES2231634T3 (es) | 1997-05-14 | 2005-05-16 | Btg International Limited | Sistema de identificacion potenciado. |
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EP1734460A2 (de) * | 2000-06-12 | 2006-12-20 | BTG International Limited | Leseprotokoll für Transponder elektronischer Identifikationssysteme |
GB2453477A (en) * | 2004-02-06 | 2009-04-08 | Zih Corp | Identifying a plurality of transponders |
US7916023B2 (en) * | 2006-01-31 | 2011-03-29 | Zebra Enterprise Solutions Corp. | System and method for tracking assets within a monitored environment |
-
1998
- 1998-05-14 ES ES02024117T patent/ES2231634T3/es not_active Expired - Lifetime
- 1998-05-14 CN CN98805116A patent/CN1255994A/zh active Pending
- 1998-05-14 AT AT02024117T patent/ATE283517T1/de not_active IP Right Cessation
- 1998-05-14 NZ NZ337966A patent/NZ337966A/en unknown
- 1998-05-14 JP JP54893198A patent/JP4172727B2/ja not_active Expired - Fee Related
- 1998-05-14 EP EP04012409A patent/EP1462983B1/de not_active Expired - Lifetime
- 1998-05-14 DE DE69827858T patent/DE69827858T2/de not_active Expired - Lifetime
- 1998-05-14 IL IL13229798A patent/IL132297A/en not_active IP Right Cessation
- 1998-05-14 AU AU74401/98A patent/AU745638B2/en not_active Ceased
- 1998-05-14 WO PCT/GB1998/001385 patent/WO1998052142A1/en active IP Right Grant
- 1998-05-14 AT AT04012409T patent/ATE508425T1/de not_active IP Right Cessation
- 1998-05-14 RU RU99126440A patent/RU2238585C2/ru not_active IP Right Cessation
- 1998-05-14 CA CA002289207A patent/CA2289207A1/en not_active Abandoned
- 1998-05-14 DE DE69818454T patent/DE69818454T2/de not_active Expired - Lifetime
- 1998-05-14 BR BR9808714-2A patent/BR9808714A/pt not_active IP Right Cessation
- 1998-05-14 EP EP02024117A patent/EP1280092B1/de not_active Expired - Lifetime
- 1998-05-14 DK DK98921613T patent/DK0983569T3/da active
- 1998-05-14 DE DE69842260T patent/DE69842260D1/de not_active Expired - Lifetime
- 1998-05-14 EP EP98921613A patent/EP0983569B1/de not_active Expired - Lifetime
- 1998-05-14 DK DK02024117T patent/DK1280092T3/da active
- 1998-05-14 AT AT98921613T patent/ATE250781T1/de not_active IP Right Cessation
- 1998-05-14 ES ES98921613T patent/ES2207833T3/es not_active Expired - Lifetime
- 1998-05-14 KR KR10-1999-7010475A patent/KR100525317B1/ko not_active IP Right Cessation
-
1999
- 1999-10-12 US US09/415,234 patent/US6661336B1/en not_active Expired - Lifetime
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2003
- 2003-08-07 US US10/635,683 patent/US7053755B2/en not_active Expired - Lifetime
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2006
- 2006-03-29 US US11/392,429 patent/US9607193B2/en active Active
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2012
- 2012-08-10 US US13/572,260 patent/US8872631B2/en not_active Expired - Fee Related
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