DK324475A - Transpondersystem - Google Patents
TranspondersystemInfo
- Publication number
- DK324475A DK324475A DK324475A DK324475A DK324475A DK 324475 A DK324475 A DK 324475A DK 324475 A DK324475 A DK 324475A DK 324475 A DK324475 A DK 324475A DK 324475 A DK324475 A DK 324475A
- Authority
- DK
- Denmark
- Prior art keywords
- transponder system
- transponder
- Prior art date
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 trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Selective Calling Equipment (AREA)
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 |
---|---|
DK324475A true DK324475A (da) | 1976-01-20 |
Family
ID=20321747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK324475A DK324475A (da) | 1974-07-19 | 1975-07-16 | Transpondersystem |
Country Status (10)
Country | Link |
---|---|
US (1) | US4019181A (da) |
JP (1) | JPS5135911A (da) |
CA (1) | CA1063676A (da) |
DE (1) | DE2530147A1 (da) |
DK (1) | DK324475A (da) |
FI (1) | FI752058A (da) |
FR (1) | FR2279272A1 (da) |
GB (1) | GB1483692A (da) |
NO (1) | NO752540L (da) |
SE (1) | SE384958B (da) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4786907A (en) * | 1986-07-14 | 1988-11-22 | Amtech Corporation | Transponder useful in a system for identifying objects |
US4739328A (en) * | 1986-07-14 | 1988-04-19 | Amtech Corporation | System for identifying particular 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 |
JP2908014B2 (ja) * | 1989-02-17 | 1999-06-21 | インテグレーテッド・シリコン・デザイン・ピーティーワイ・リミテッド | トランスポンダ・システム |
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 |
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 |
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 |
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) |
AU4270097A (en) * | 1996-10-17 | 1998-05-11 | Nokia Mobile Phones Limited | Method for fabricating fbars on glass substrates |
US5873154A (en) * | 1996-10-17 | 1999-02-23 | Nokia Mobile Phones Limited | Method for fabricating a resonator having an acoustic mirror |
US6812824B1 (en) | 1996-10-17 | 2004-11-02 | Rf Technologies, Inc. | Method and apparatus combining a tracking system and a wireless communication system |
KR20000049066A (ko) * | 1996-10-17 | 2000-07-25 | 핀포인트 코포레이션 | 물품검색 시스템 |
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 |
US8026819B2 (en) * | 2005-10-02 | 2011-09-27 | Visible Assets, Inc. | Radio tag and system |
US20110163882A1 (en) * | 2003-04-09 | 2011-07-07 | Visible Assets, Inc. | Passive Low Frequency Inductive Tagging |
US8681000B2 (en) * | 2003-04-09 | 2014-03-25 | Visible Assets, Inc. | Low frequency inductive tagging for lifecycle management |
US20110163857A1 (en) * | 2003-04-09 | 2011-07-07 | Visible Assets, Inc. | Energy Harvesting for Low Frequency Inductive Tagging |
US8378841B2 (en) * | 2003-04-09 | 2013-02-19 | Visible Assets, Inc | Tracking of oil drilling pipes and other objects |
WO2007031973A2 (en) * | 2005-09-15 | 2007-03-22 | Visible Assets, Inc. | Active low frequency radio tag and patch drug delivery system |
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)
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 |
-
1974
- 1974-07-19 SE SE7409425A patent/SE384958B/xx unknown
-
1975
- 1975-07-05 DE DE19752530147 patent/DE2530147A1/de not_active Withdrawn
- 1975-07-09 US US05/594,206 patent/US4019181A/en not_active Expired - Lifetime
- 1975-07-16 CA CA231,603A patent/CA1063676A/en not_active Expired
- 1975-07-16 GB GB29820/75A patent/GB1483692A/en not_active Expired
- 1975-07-16 FI FI752058A patent/FI752058A/fi not_active Application Discontinuation
- 1975-07-16 NO NO752540A patent/NO752540L/no unknown
- 1975-07-16 DK DK324475A patent/DK324475A/da unknown
- 1975-07-17 FR FR7522341A patent/FR2279272A1/fr not_active Withdrawn
- 1975-07-19 JP JP50087867A patent/JPS5135911A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2530147A1 (de) | 1976-01-29 |
JPS5135911A (da) | 1976-03-26 |
SE384958B (sv) | 1976-05-24 |
FR2279272A1 (fr) | 1976-02-13 |
SE7409425L (sv) | 1976-01-20 |
GB1483692A (en) | 1977-08-24 |
US4019181A (en) | 1977-04-19 |
FI752058A (da) | 1976-01-20 |
NO752540L (da) | 1976-01-20 |
CA1063676A (en) | 1979-10-02 |
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