WO2008118019A3 - Transponder system - Google Patents

Transponder system Download PDF

Info

Publication number
WO2008118019A3
WO2008118019A3 PCT/NL2008/050173 NL2008050173W WO2008118019A3 WO 2008118019 A3 WO2008118019 A3 WO 2008118019A3 NL 2008050173 W NL2008050173 W NL 2008050173W WO 2008118019 A3 WO2008118019 A3 WO 2008118019A3
Authority
WO
WIPO (PCT)
Prior art keywords
transponder
transceiver
fmcw
signal
antenna
Prior art date
Application number
PCT/NL2008/050173
Other languages
French (fr)
Other versions
WO2008118019A2 (en
Inventor
Franciscus Hedrikus Elferink
Erik Bert Busking
Original Assignee
Tno
Franciscus Hedrikus Elferink
Erik Bert Busking
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP07105058A external-priority patent/EP1976327A1/en
Application filed by Tno, Franciscus Hedrikus Elferink, Erik Bert Busking filed Critical Tno
Publication of WO2008118019A2 publication Critical patent/WO2008118019A2/en
Publication of WO2008118019A3 publication Critical patent/WO2008118019A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Abstract

Transponder system comprising an FMCW radar transceiver (1) arranged to transmit an FMCW signal (2) and to receive the backscattered reflections (3). The transponder (4) comprises an antenna (5) connected to a switch (6), arranged to modulate the terminating impedance of the antenna, thus modulating the backscattered signal. The modulating switch is controlled by digital control means (7, 10) arranged to be controlled by voice (9) or data produced by a human user, thus using the transponder as a communication device for digital voice or data from the user to the transceiver, which communication cannot be intercepted by any external system. The FMCW transceiver can measure the distance and direction of the transponder. The system is very attractive for military etc. operations. The reflected signal may be frequency shifted and amplified by a booster module (20,21).
PCT/NL2008/050173 2007-03-27 2008-03-26 Transponder system WO2008118019A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP07105058.7 2007-03-27
EP07105058A EP1976327A1 (en) 2007-03-27 2007-03-27 Sensor system
EP07112606.4 2007-07-17
EP07112606 2007-07-17

Publications (2)

Publication Number Publication Date
WO2008118019A2 WO2008118019A2 (en) 2008-10-02
WO2008118019A3 true WO2008118019A3 (en) 2008-11-20

Family

ID=39739499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2008/050173 WO2008118019A2 (en) 2007-03-27 2008-03-26 Transponder system

Country Status (1)

Country Link
WO (1) WO2008118019A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8362961B2 (en) 2009-11-03 2013-01-29 Honeywell International Inc. Modulated antenna for wireless communications
CN102073834A (en) * 2009-11-20 2011-05-25 数伦计算机技术（上海）有限公司 Radio frequency identification system
EP2597484A1 (en) * 2011-11-24 2013-05-29 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Active FMCW radar system and method for data transfer using the same
DE102012003861A1 (en) * 2012-02-27 2013-08-29 Giesecke & Devrient Gmbh Contactless transaction with a contactless communication element

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6657580B1 (en) * 1999-03-26 2003-12-02 Isis Innovation Limited Transponders
US20060164248A1 (en) * 2002-08-27 2006-07-27 Siemens Aktiengesellschaft Backscatter transponder modulated in an energetically self-sufficient manner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6657580B1 (en) * 1999-03-26 2003-12-02 Isis Innovation Limited Transponders
US20060164248A1 (en) * 2002-08-27 2006-07-27 Siemens Aktiengesellschaft Backscatter transponder modulated in an energetically self-sufficient manner

Also Published As

Publication number Publication date
WO2008118019A2 (en) 2008-10-02

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