JPH04504769A - 個別化可能な受動式識別装置 - Google Patents

個別化可能な受動式識別装置

Info

Publication number
JPH04504769A
JPH04504769A JP50297890A JP50297890A JPH04504769A JP H04504769 A JPH04504769 A JP H04504769A JP 50297890 A JP50297890 A JP 50297890A JP 50297890 A JP50297890 A JP 50297890A JP H04504769 A JPH04504769 A JP H04504769A
Authority
JP
Japan
Prior art keywords
acoustic wave
antenna
electrode
identification device
surface acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50297890A
Other languages
English (en)
Japanese (ja)
Inventor
ドゥフラヌー，フィリップ
Original Assignee
トムソン―セーエスエフ
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
Application filed by トムソン―セーエスエフ filed Critical トムソン―セーエスエフ
Publication of JPH04504769A publication Critical patent/JPH04504769A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/755—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using delay lines, e.g. acoustic delay lines
JP50297890A 1989-02-03 1990-01-30 個別化可能な受動式識別装置 Pending JPH04504769A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8901401A FR2642873A1 (fr) 1989-02-03 1989-02-03 Dispositif personnalisable d'identification passive
FR89/01401 1989-02-03

Publications (1)

Publication Number Publication Date
JPH04504769A true JPH04504769A (ja) 1992-08-20

Family

ID=9378449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50297890A Pending JPH04504769A (ja) 1989-02-03 1990-01-30 個別化可能な受動式識別装置

Country Status (4)

Country Link
EP (1) EP0456709A1 (fr)
JP (1) JPH04504769A (fr)
FR (1) FR2642873A1 (fr)
WO (1) WO1990008965A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014142234A (ja) * 2013-01-23 2014-08-07 Toyota Motor Corp 送受信装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568104A (en) * 1968-12-20 1971-03-02 Gen Electric Sonic delay line device
GB1496067A (en) * 1975-01-15 1977-12-21 Lignes Telegraph Telephon Broadband electroacoustic delay lines
DE2821299A1 (de) * 1978-05-16 1979-11-22 Siemens Ag Einrichtung zur identifizierung von gegenstaenden und personen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014142234A (ja) * 2013-01-23 2014-08-07 Toyota Motor Corp 送受信装置

Also Published As

Publication number Publication date
WO1990008965A1 (fr) 1990-08-09
FR2642873A1 (fr) 1990-08-10
EP0456709A1 (fr) 1991-11-21

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