[특허]Electromagnetic identification system for identifying a plurality of coded responders simultaneously present in an inter

Electromagnetic identification system for identifying a plurality of coded responders simultaneously present in an inter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-007/00
출원번호	US-0545944 (1990-07-02)
우선권정보	NL-0001659 (1989-06-30)
발명자 / 주소	Tervoert Marius L. (Borculo NLX) Venema Willem H. J. (Enschede NLX) Scholten Arjan H. (Enschede NLX) Stekelenburg Jan C. (Varsseveld NLX)
출원인 / 주소	N.V. Netherlandsche Apparatenfabriek Nedap (De Groenlo NLX 03)
인용정보	피인용 횟수 : 94 인용 특허 : 0

초록 ▼

An electromagnetic detection and identification system for detecting and identifying a plurality of responders (improved transponders), each containing a unique code, and simultaneously present in one and the same interrogation field generated by a transmitter/receiver. According to the invention, the transmitter/receiver is arranged to adjust the frequency of the interrogation field periodically to one of a predetermined number of predetermined values, and each responder is arranged to detect the instantaneous frequency of the interrogation field, the arrangement being such that, in a number of selection cycles, each time a number of responders temporarily deactivate themselves in dependence upon the instantaneous frequency until one single responder remains which an generate the appurtenant code without becoming deactivated until the responder has been identified by the transmitter/receiver, whereafter the responder concerned is blocked by a change in field frequency, and the temporarily deactivated responders are reactivated, and the selection procedure is repeated until all responders in the interrogation field have been identified and blocked.

대표청구항 ▼

An electromagnetic detection and identification system for detecting and identifying a plurality of responders, each containing a unique code, and simultaneously present in one and the same interrogation field, comprising: a transmitter/receiver having: means for generating an interrogation field; means for receiving the unique code of each responder sequentially on the same frequency to identify each responder; and means for adjusting the frequency of the interrogation field to one of a predetermined number of predetermined values; and a plurality of responders each having: means to transmit the unique code on the same frequency for all the responders; means for detecting the instantaneous frequency of the interrogation field; selection means to repeatedly temporarily deactivate responders from selection until only one single selected responder remains enabled which can transmit an identification code without becoming deactivated until the responder has been identified by the transmitter/receiver said selection means including scrambler means for selecting a random number, a counter which after the detection of a predetermined field frequency begins to count from the random number, and means for generating a starting code, when the responder reaches a predetermined counter position, which results in such a change in frequency of the interrogation field as to temporarily deactivate all responders which have not yet reached said predetermined counter position; means to block the identified responder by a change in field frequency, means for reactivating the temporarily deactivated responders, and means for repeatedly reactivating the selection means until all responders in the interrogation field have been identified and blocked.

이 특허를 인용한 특허 (94)

Gallagher, III, William F.; Salesky, Ronald; Inui, Shinichiro; Benedetti, Riccardo; Alexander, Samuel; Furey, Lee R.; Lee, Youbok, Anticollision protocol with fast read request and additional schemes for reading multiple transponders in an RFID system.
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Gallagher, III,William F.; Salesky,Ronald; Inui,Shinichiro; Benedetti,Riccardo; Alexander,Samuel; Furey,Lee R.; Lee,Youbok, Anticollision protocol with fast read request and additional schemes for reading multiple transponders in an RFID system.
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Orthmann Kurt (Munich DEX) Hagl Andreas (Dachau DEX), Apparatus and method for identifying multiple transponders.
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Garber, Sharon R.; Gonzalez, Bernard A.; Grunes, Mitchell B.; Jackson, Richard H.; Karel, Gerald L.; Kruse, John M.; Lindahl, Richard W.; Nash, James E.; Piotrowski, Chester; Yorkovich, John D., Applications for radio frequency identification systems.
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Garber, Sharon R.; Gonzalez, Bernard A.; Grunes, Mitchell B.; Jackson, Richard H.; Karel, Gerald L.; Kruse, John M.; Lindahl, Richard W.; Nash, James E.; Piotrowski, Chester; Yorkovich, John D., Applications for radio frequency identification systems.
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Garber, Sharon R.; Gonzalez, Bernard A.; Grunes, Mitchell B.; Jackson, Richard H.; Karel, Gerald L.; Kruse, John M.; Lindahl, Richard W.; Nash, James E.; Piotrowski, Chester; Yorkovich, John D., Applications for radio frequency identification systems.
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Garber,Sharon R.; Gonzalez,Bernard A.; Grunes,Mitchell B.; Jackson,Richard H.; Karel,Gerald L.; Kruse,John M.; Lindahl,Richard W.; Nash,James E.; Piotrowski,Chester; Yorkovich,John D., Applications for radio frequency identification systems.
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Garber,Sharon R.; Gonzalez,Bernard A.; Grunes,Mitchell B.; Jackson,Richard H.; Karel,Gerald L.; Kruse,John M.; Lindahl,Richard W.; Nash,James E.; Piotrowski,Chester; Yorkovich,John D., Applications for radio frequency identification systems.
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Garber,Sharon R.; Gonzalez,Bernard A.; Grunes,Mitchell B.; Jackson,Richard H.; Karel,Gerald L.; Kruse,John M.; Lindahl,Richard W.; Nash,James E.; Piotrowski,Chester; Yorkovich,John D., Applications for radio frequency identification systems.
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Sharon R. Garber ; Bernard A. Gonzalez ; Mitchell B. Grunes ; Richard H. Jackson ; Gerald L. Karel ; John M. Kruse ; Richard W. Lindahl ; James E. Nash ; Chester Piotrowski ; John D. Yorkovi, Applications for radio frequency identification systems.
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Arneson, Michael R.; Bandy, William R., Automated real-time distributed tag reader network.
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Kamata, Koichiro, Contactless power feeding system.
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Kamata, Koichiro, Contactless power feeding system.
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Kamata, Koichiro, Contactless power feeding system.
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Takahashi, Kei; Kamata, Koichiro; Miwa, Misako; Maeda, Shuhei, DC-DC converter, power receiving device, and power feeding system.
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Deville Yannick,FRX ; Andry Laurence,FRX, Data exchange system with a plurality of data carriers.
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Cato Robert Thomas, Data processing system and method for accessing a plurality of radio frequency identification tags.
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Marsh Michael John Camille,ZAX ; Lenarcik Andrzej,ZAX ; Van Zyl Clinton Aiden,ZAX ; Van Schalkwyk Andries Christoffel,ZAX ; Oosthuizen Marthinus Jacobus Rudolph,ZAX, Detection of multiple articles.
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Marsh Michael John Camille,ZAX ; Lenarcik Andrzej,ZAX, Electronic identification system confirming valid code.
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Marsh Michael John Camille,ZAX ; Lenarcik Andrzej,ZAX, Electronic indentification system with transponder muting.
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Atkins, Raymond Catherall; Marais, Mario Alphonso; Van Zyl Smit, Hendrik, Enhanced identification system.
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Atkins, Raymond Catherall; Marais, Mario Alphonso; Van Zyl Smit, Hendrik, Enhanced identification system.
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Chester T. Przygoda, Jr. ; Terry J. Stefanski, Event driven information system.
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Jeffrey V. Boley ; Neil M. Goldman, Golf equipment inventory device.
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Makino Tadayori (Tokyo JPX), IC card device for managing system.
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Michael John Camille Marsh ZA; Trevor Meredith Hodson ZA, Identification of objects by a reader.
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Kamata, Koichiro, Method for driving power supply system.
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Kamata, Koichiro, Method for driving power supply system.
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Shanks,Wayne E.; Bandy,William R.; Powell,Kevin J.; Arneson,Michael R., Method, system, and apparatus for communicating with a RFID tag population.
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Shanks,Wayne E.; Bandy,William R.; Powell,Kevin J.; Arneson,Michael R., Method, system, and apparatus for communicating with a RFID tag population.
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Shanks, Wayne E.; Bandy, William R.; Powell, Kevin J.; Arneson, Michael R., Method, system, and apparatus for remote data calibration of a RFID tag population.
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Shanks, Wayne E.; Bandy, William R.; Powell, Kevin J.; Arneson, Michael R., Method, system, and apparatus for remote data calibration of a RFID tag population.
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Shanks,Wayne E.; Bandy,William R.; Powell,Kevin J.; Arneson,Michael R., Method, system, and apparatus for remote data calibration of a RFID tag population.
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Friedrich, Ulrich; Pangels, Michael, Method, transponder, and circuit for selecting one or more transponders.
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Friedrich, Ulrich; Pangels, Michael, Method, transponder, and circuit for selecting one or more transponders.
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Powell,Kevin J.; Shanks,Wayne E.; Bandy,William R., Methods and systems for the negotiation of a population of RFID tags with improved security.
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Savage,Paul A., Missing golf club reminder and wireless golf bag alarm system.
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Marsh, Michael John Camille; Hodson, Trevor Meredith, Multi-dimensional electronic identification of articles.
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Rodgers, James L.; Coulthard, John J.; Fowler, Billy C.; Jaecks, Howard K.; Lastinger, Roc A.; Picard, Paul A.; Rehman, Mohammad A., Object identification system with adaptive transceivers and methods of operation.
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Powell,Kevin J.; Shanks,Wayne E.; Bandy,William R., Optimization of a binary tree traversal with secure communications.
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Kamata, Koichiro; Okano, Shinya; Sato, Misako; Maeda, Shuhei, Power feeding device and wireless power feeding system.
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Kamata, Koichiro; Okano, Shinya; Sato, Misako; Maeda, Shuhei, Power feeding device and wireless power feeding system.
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Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Power feeding device, power receiving device, and wireless power feed system.
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Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Power feeding device, wireless power feeding system using the same and wireless power feeding method.
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Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Power feeding device, wireless power feeding system using the same and wireless power feeding method.
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Kamata, Koichiro, Power receiving device and contactless power feeding system.
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Kamata, Koichiro, Power receiving device and wireless power supply system.
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Kamata, Koichiro, Power receiving device and wireless power supply system.
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Kamata, Koichiro, Power transmission device and wireless power transmission system including the same.
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Miwa, Misako, Power transmitting device, power feeding system, and power feeding method.
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Miwa, Misako, Power transmitting device, power feeding system, and power feeding method.
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Stobbe Anatoli,DEX ; Scheffler Hartmut,DEX, Process and device to transmit data between a read/write device and a transponder.
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Stobbe Anatoli,DEX ; Scheffler Hartmut,DEX, Process for transmitting data between a read/write device and a transponder.
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Heng, Kwee Tong, RF transponder identification system and protocol.
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Berquist, David T.; Eisenberg, Peter M.; Grunes, Mitchell B.; McIntyre, Daniel K.; Morel, Diane E.; Schilling, Robert J.; Sevcik, Paul A., RFID data collection and use.
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Shanks,Wayne E.; Bandy,William R.; Arneson,Michael R.; Powell,Kevin J., Radio frequency identification architecture.
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Shanks,Wayne E.; Bandy,William R.; Arneson,Michael R.; Powell,Kevin J., Radio frequency identification tag antenna configurations.
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Kelly, Guy M.; Page, Kevin J.; Plum, Don P.; Ravenis, II, Joseph V J, Smart card receiver and system for pulsed RF fields.
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Frary James M., System and method for data storage management.
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James M. Frary, System and method for data storage management.
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Bandy William R. ; Arneson Michael R. ; Williams Robert A., System and method for electronic inventory.
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Bandy,William R.; Arneson,Michael R.; Williams,Robert A., System and method for electronic inventory.
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Frary James M., System and method for identifying and managing data storage volumes using electromagnetic transducers.
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Powell,Kevin J.; Shanks,Wayne E.; Bandy,William R., System and method for minimizing unwanted re-negotiation of a passive RFID tag.
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Cesar,Christian Lenz; Chan,Shun Shing; Cofino,Thomas A.; Goldman,Kenneth Alan; Greene,Sharon Louise; Heinrich,Harley Kent; McAuliffe,Kevin P., System and method for radio frequency tag group select.
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Shanks,Wayne E., Systems and methods for reducing interference by modulating a reader transmittal signal within the transmission channel.
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Kamata, Koichiro; Okano, Shinya, Wireless power feeding system.
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Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Wireless power feeding system and wireless power feeding method.
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Shionoiri, Yutaka; Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Wireless power feeding system and wireless power feeding method.
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Shionoiri, Yutaka; Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Wireless power feeding system and wireless power feeding method.
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Shionoiri, Yutaka; Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Wireless power feeding system and wireless power feeding method.
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Shionoiri, Yutaka; Kamata, Koichiro; Sato, Misako; Maeda, Shuhei, Wireless power feeding system and wireless power feeding method.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Electromagnetic identification system for identifying a plurality of coded responders simultaneously present in an inter 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (94)

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연합인증

Electromagnetic identification system for identifying a plurality of coded responders simultaneously present in an inter 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (94)

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