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Positioning with RF-ID transponders 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-013/75
  • G01S-013/84
출원번호 US-0667297 (1996-06-20)
발명자 / 주소
  • Hagl Andreas (Dachau DEX) Mollik Horst (Offenberg DEX) Aslanidis Kostantin (Dachau DEX)
출원인 / 주소
  • Texas Instruments Incorporated (Dallas TX 02)
인용정보 피인용 횟수 : 119  인용 특허 : 11

초록 ▼

A method of determining the exact location of a transponder with respect to a reader antenna, with no additional components to the existing system required, is disclosed. An existing pin of the reader IC, the RSTP pin, provides an analog fieldstrength signal from which the distance to the reader ant

대표청구항 ▼

A method of determining the exact location of a transponder with respect to a reader, having an antenna and an IC, comprising the steps of: providing a test pin on said IC with an analog fieldstrength signal representative of the distance between a transponder and a reader antenna, wherein said IC a

이 특허에 인용된 특허 (11)

  1. Brose Peter W. (Harwinton CT), Animal training and restraining system.
    상세보기
  2. Schuermann Josef H. (Oberhummel DEX), Electronic transponder tuning procedure.
    상세보기
  3. Schuermann Josef H. (Oberhummel DEX), Interrogator for detecting adjacent transponders.
    상세보기
  4. Schuermann Josef H. (Oberhummel DEX), Method of providing a synchronized data stream suitable for use in a combined FDX and HDX RF-ID system.
    상세보기
  5. Santos James P. (223 Rockingstone Ave. Larchmont NY 10538), Monitoring, ranging and locating devices.
    상세보기
  6. Hassett John J. (Marblehead MA) Hartman Warran A. (Beverly MA) Kowal Keith E. (Swampscott MA), Object location process and apparatus.
    상세보기
  7. Harman ; Robert Keith, Perimeter surveillance system.
    상세보기
  8. Meier Herbert (Moosburg DEX) Sellmeir Martin (Neufinsing DEX), Read/write transponder arrangement and method of communication.
    상세보기
  9. Boykin Roger O. (249 Symphony La. Shreveport LA 71105), Selective exit control system.
    상세보기
  10. Magori Valentin (Munich DEX) Bulst Wolf-Eckhart (Munich DEX), System for targeted braking of vehicles.
    상세보기
  11. Meier Herbert (Moosburg DEX), Transponders, Interrogators, systems and methods for elimination of interrogator synchronization requirement.
    상세보기

이 특허를 인용한 특허 (119)

  1. Wuidart, Luc, Adaptation of the transmission power of an electromagnetic transponder reader.
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  2. Jay Werb, Article tracking system.
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  4. Bishop, Fred; Saunders, Peter D, Authenticating an RF transaction using a transaction counter.
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  5. Beenau,Blayn W; Bonalle,David S; Fields,Seth W; Gray,William J; Larkin,Carl; Montgomery,Joshua L; Saunders,Peter D, Authenticating fingerprints for radio frequency payment transactions.
    상세보기
  6. Beenau, Blayn W; Bonalle, David S; Fields, Seth W; Gray, William J; Larkin, Carl; Montgomery, Joshua L; Saunders, Peter D, Authorizing radio frequency transactions using a keystroke scan.
    상세보기
  7. Beenau, Blayn W; Bonalle, David S; Fields, Seth W; Gray, William J; Larkin, Carl; Montgomery, Joshua L; Saunders, Peter D, Biometric registration for facilitating an RF transaction.
    상세보기
  8. Beenau,Blayn W.; Bonalle,David S.; Fields,Seth W.; Gray,William J.; Larkin,Carl; Montgomery,Joshua L.; Saunders,Peter D., Biometric safeguard method with a fob.
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  10. Freeze Deron W. ; Greene John C., Centralized transponder arbitration.
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  11. Berardi,Michael J.; Bliman,Michal; Bonalle,David S.; Elwood,Jennifer Anne; Eyk,Becky Vander; Hood,Matthew C.; Isenberg,Susan E.; Malnati,Leigh; Mayers,Alexandra; Mueller,Sue; Norcross,Zarita; Saunders,Peter D.; Scheding,Kathryn D.; Shah,Sejal Ajit; Skilling Belmond,Lisa; Williamson,John R., Clear contactless card.
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  50. Barnes, Brian T.; Bonalle, David S.; Saunders, Peter D., Method and system for resource management and evaluation.
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  51. Beenau,Blayn W.; Bonalle,David S.; Fields,Seth W.; Gray,William J.; Larkin,Carl; Montgomery,Joshua L.; Saunders,Peter D., Method and system for smellprint recognition biometrics on a fob.
    상세보기
  52. Barnes, Brian; Bonalle, David S.; Saunders, Peter D., Method and system for tracking user performance.
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  53. Barnes,Brian; Bonalle,David S.; Saunders,Peter D., Method and system for tracking user performance.
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  54. Peart, Lee J.; Saunders, Peter D., Methods and apparatus for a secure proximity integrated circuit card transactions.
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  67. Bishop, Fred; Saunders, Peter D, Recurrent billing maintenance with radio frequency payment devices.
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