FI752058A - - Google Patents

Info

Publication number
FI752058A
FI752058A FI752058A FI752058A FI752058A FI 752058 A FI752058 A FI 752058A FI 752058 A FI752058 A FI 752058A FI 752058 A FI752058 A FI 752058A FI 752058 A FI752058 A FI 752058A
Authority
FI
Finland
Application number
FI752058A
Inventor
Kjell Olow Ingemar Olsson
Bengt Loggert
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of FI752058A publication Critical patent/FI752058A/fi

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
    • G01S13/758—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 a signal generator powered by the interrogation signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/045—Indicating or recording train identities using reradiating tags
    • 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
    • G01S13/753—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 frequency selective elements, e.g. resonator
FI752058A 1974-07-19 1975-07-16 FI752058A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7409425A SE384958B (sv) 1974-07-19 1974-07-19 Sett for overforing av information i en transponderanleggning samt anordning for utforande av settet

Publications (1)

Publication Number Publication Date
FI752058A true FI752058A (fi) 1976-01-20

Family

ID=20321747

Family Applications (1)

Application Number Title Priority Date Filing Date
FI752058A FI752058A (fi) 1974-07-19 1975-07-16

Country Status (10)

Country Link
US (1) US4019181A (fi)
JP (1) JPS5135911A (fi)
CA (1) CA1063676A (fi)
DE (1) DE2530147A1 (fi)
DK (1) DK324475A (fi)
FI (1) FI752058A (fi)
FR (1) FR2279272A1 (fi)
GB (1) GB1483692A (fi)
NO (1) NO752540L (fi)
SE (1) SE384958B (fi)

Families Citing this family (44)

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US4242661A (en) * 1975-03-27 1980-12-30 Stifelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan i Stockholm Device for registration of objects
US4314373A (en) * 1976-05-24 1982-02-02 Harris Corporation Passive transmitter including parametric device
DE2811753C2 (de) * 1978-03-17 1985-04-25 Siemens AG, 1000 Berlin und 8000 München Digitaler Demodulator auf Halbleiterbasis
AU525251B2 (en) * 1978-06-02 1982-10-28 Amalgamated Wireless (Australasia) Limited Identification system
SE413359B (sv) * 1978-08-25 1980-05-19 Stiftelsen Inst Mikrovags Anordning for astadkommande av ett enkelt sidband
US4546241A (en) * 1982-12-10 1985-10-08 Walton Charles A Electronic proximity identification system
US4818855A (en) * 1985-01-11 1989-04-04 Indala Corporation Identification system
JPS61201179A (ja) * 1985-03-04 1986-09-05 New Japan Radio Co Ltd 応答用タグの構造
JPS62277580A (ja) * 1986-05-27 1987-12-02 Toyo Kanetsu Kk 識別装置
US4739328A (en) * 1986-07-14 1988-04-19 Amtech Corporation System for identifying particular objects
US4786907A (en) * 1986-07-14 1988-11-22 Amtech Corporation Transponder useful in a system for identifying objects
GB8718552D0 (en) * 1987-08-05 1987-09-09 British Railways Board Track to train communications systems
JP2612190B2 (ja) * 1988-08-31 1997-05-21 山武ハネウエル株式会社 応答装置と質問装置からなる全二重通信装置
US5305008A (en) * 1991-08-12 1994-04-19 Integrated Silicon Design Pty. Ltd. Transponder system
EP0458821B1 (en) * 1989-02-17 1996-07-24 Integrated Silicon Design Pty. Ltd Transponder system
JPH03113387A (ja) * 1989-09-27 1991-05-14 Nippon Soken Inc 移動体識別装置の応答器
US5287113A (en) * 1990-02-12 1994-02-15 Texas Instruments Deutschland Gmbh Voltage limiting batteryless transponder circuit
AT395224B (de) * 1990-08-23 1992-10-27 Mikron Ges Fuer Integrierte Mi Kontaktloses, induktives datenuebertragungssystem
US6725035B2 (en) * 1992-03-06 2004-04-20 Aircell Inc. Signal translating repeater for enabling a terrestrial mobile subscriber station to be operable in a non-terrestrial environment
US6650898B2 (en) * 1992-03-06 2003-11-18 Aircell, Inc. Signal translating repeater for enabling a terrestrial mobile subscriber station to be operable in a non-terrestrial environment
AT403639B (de) * 1993-12-10 1998-04-27 Siemens Ag Oesterreich Datenträger zur identifizierung von objekten, insbesondere von gütern, mit einem datengeber und verfahren zur steuerung von dessen wirkungsweise
US5714917A (en) * 1996-10-02 1998-02-03 Nokia Mobile Phones Limited Device incorporating a tunable thin film bulk acoustic resonator for performing amplitude and phase modulation
US6051907A (en) * 1996-10-10 2000-04-18 Nokia Mobile Phones Limited Method for performing on-wafer tuning of thin film bulk acoustic wave resonators (FBARS)
CN1233327A (zh) 1996-10-17 1999-10-27 准确定位公司 物品跟踪系统
US6812824B1 (en) 1996-10-17 2004-11-02 Rf Technologies, Inc. Method and apparatus combining a tracking system and a wireless communication system
DE69739289D1 (de) * 1996-10-17 2009-04-16 Avago Technologies Wireless Ip Chtoberflächenwellenresonatoren
US5873154A (en) * 1996-10-17 1999-02-23 Nokia Mobile Phones Limited Method for fabricating a resonator having an acoustic mirror
US5872493A (en) * 1997-03-13 1999-02-16 Nokia Mobile Phones, Ltd. Bulk acoustic wave (BAW) filter having a top portion that includes a protective acoustic mirror
US6208235B1 (en) 1997-03-24 2001-03-27 Checkpoint Systems, Inc. Apparatus for magnetically decoupling an RFID tag
US5910756A (en) * 1997-05-21 1999-06-08 Nokia Mobile Phones Limited Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators
US5942977A (en) * 1997-08-13 1999-08-24 Ludwig Kipp Radio transponder
US6081171A (en) * 1998-04-08 2000-06-27 Nokia Mobile Phones Limited Monolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband response
US6081222A (en) * 1998-05-26 2000-06-27 Northrop Grumman Corporation Joint surveillance target attack system combat transponder
AU2002950973A0 (en) * 2002-08-22 2002-09-12 Magellan Technology Pty Ltd A radio frequency identification ("rfid") device
US8378841B2 (en) * 2003-04-09 2013-02-19 Visible Assets, Inc Tracking of oil drilling pipes and other objects
US8026819B2 (en) * 2005-10-02 2011-09-27 Visible Assets, Inc. Radio tag and system
US8681000B2 (en) * 2003-04-09 2014-03-25 Visible Assets, Inc. Low frequency inductive tagging for lifecycle management
US20110163882A1 (en) * 2003-04-09 2011-07-07 Visible Assets, Inc. Passive Low Frequency Inductive Tagging
US20110163857A1 (en) * 2003-04-09 2011-07-07 Visible Assets, Inc. Energy Harvesting for Low Frequency Inductive Tagging
US20070196456A1 (en) * 2005-09-15 2007-08-23 Visible Assets, Inc. Smart patch
EP1777549B1 (en) * 2005-10-24 2012-10-03 Mitsubishi Electric Information Technology Centre Europe B.V. Object ranging
US7793839B2 (en) 2006-08-07 2010-09-14 Smart Wave Technologies Corporation System enabling the exchange of information between products
US8291559B2 (en) * 2009-02-24 2012-10-23 Epcos Ag Process for adapting resonance frequency of a BAW resonator
SE540981C2 (en) * 2017-06-29 2019-02-12 Recco Invest Ab A harmonic radar reflector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098971A (en) * 1961-09-26 1963-07-23 Robert M Richardson Remotely actuated radio frequency powered devices
US3299424A (en) * 1965-05-07 1967-01-17 Jorgen P Vinding Interrogator-responder identification system
US3706094A (en) * 1970-02-26 1972-12-12 Peter Harold Cole Electronic surveillance system
US3914762A (en) * 1973-12-27 1975-10-21 Rca Corp Electronic identification system

Also Published As

Publication number Publication date
FR2279272A1 (fr) 1976-02-13
NO752540L (fi) 1976-01-20
SE7409425L (sv) 1976-01-20
US4019181A (en) 1977-04-19
CA1063676A (en) 1979-10-02
JPS5135911A (fi) 1976-03-26
DE2530147A1 (de) 1976-01-29
DK324475A (da) 1976-01-20
GB1483692A (en) 1977-08-24
SE384958B (sv) 1976-05-24

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN