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DE69529904D1 - Dampfungsglied - Google Patents

Dampfungsglied

Info

Publication number
DE69529904D1
DE69529904D1 DE69529904T DE69529904T DE69529904D1 DE 69529904 D1 DE69529904 D1 DE 69529904D1 DE 69529904 T DE69529904 T DE 69529904T DE 69529904 T DE69529904 T DE 69529904T DE 69529904 D1 DE69529904 D1 DE 69529904D1
Authority
DE
Germany
Prior art keywords
attenuator
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.)
Expired - Lifetime
Application number
DE69529904T
Other languages
English (en)
Other versions
DE69529904T2 (de
Inventor
Alexander Murdoch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magellan Corp Australia Pty Ltd
Original Assignee
Magellan Corp Australia Pty Ltd
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 Magellan Corp Australia Pty Ltd filed Critical Magellan Corp Australia Pty Ltd
Application granted granted Critical
Publication of DE69529904D1 publication Critical patent/DE69529904D1/de
Publication of DE69529904T2 publication Critical patent/DE69529904T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
    • G06K7/10415—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM
    • G06K7/10425—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device
    • G06K7/10435—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device the interrogation device being positioned close to a conveyor belt or the like on which moving record carriers are passing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
DE69529904T 1994-07-18 1995-07-18 Dampfungsglied Expired - Lifetime DE69529904T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPM6904A AUPM690494A0 (en) 1994-07-18 1994-07-18 Attenuator
PCT/AU1995/000436 WO1996002954A1 (en) 1994-07-18 1995-07-18 Attenuator

Publications (2)

Publication Number Publication Date
DE69529904D1 true DE69529904D1 (de) 2003-04-17
DE69529904T2 DE69529904T2 (de) 2003-12-18

Family

ID=3781444

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529904T Expired - Lifetime DE69529904T2 (de) 1994-07-18 1995-07-18 Dampfungsglied

Country Status (5)

Country Link
US (1) US5969609A (de)
EP (1) EP0771478B1 (de)
AU (1) AUPM690494A0 (de)
DE (1) DE69529904T2 (de)
WO (1) WO1996002954A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6804726B1 (en) * 1996-05-22 2004-10-12 Geovector Corporation Method and apparatus for controlling electrical devices in response to sensed conditions
AUPP254698A0 (en) * 1998-03-23 1998-04-23 Magellan Technology Pty Limited An interrogator for interrogating an rfid transponder
GB0104910D0 (en) * 2001-02-28 2001-04-18 Ibm Devices to reduce electro-magnetic field radiation
US6779246B2 (en) 2001-04-23 2004-08-24 Appleton Papers Inc. Method and system for forming RF reflective pathways
US6892441B2 (en) * 2001-04-23 2005-05-17 Appleton Papers Inc. Method for forming electrically conductive pathways
US7908080B2 (en) 2004-12-31 2011-03-15 Google Inc. Transportation routing
ES2851149T3 (es) 2005-09-12 2021-09-03 Sato Holdings Corp Diseño de antena y sistema de interrogador
JP4956152B2 (ja) * 2006-11-21 2012-06-20 株式会社スマート センサ・タグの多面影像方式
US8810371B2 (en) 2008-06-12 2014-08-19 Vicinity Pty Ltd Antenna design and interrogator system
AU2013201425A1 (en) 2012-07-13 2014-01-30 Sato Holdings Corporation Antenna Design and Interrogator System
WO2016038897A1 (en) 2014-09-12 2016-03-17 Sato Holdings Kabushiki Kaisha Rfid extended operation range system, apparatus and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124798A (en) * 1954-06-11 1964-03-10 Reflection-free damping structure for
US3904886A (en) * 1974-02-01 1975-09-09 Ibm Voltage distribution systems for integrated circuits
FR2527039A1 (fr) * 1982-05-14 1983-11-18 Inf Milit Spatiale Aeronaut Dispositif de protection d'un dispositif electronique contre les tensions engendrees par un champ electromagnetique
CH668347A5 (de) * 1985-06-28 1988-12-15 Jakob Senn Dichtung an gehaeuseartigen einrichtungen mit elektrischen geraeten.
US4670347A (en) * 1986-03-12 1987-06-02 Topflight Corp. RFI/EMI shielding apparatus
DE3709658A1 (de) * 1986-09-23 1988-03-31 Licentia Gmbh Absorber fuer elektromagnetische wellen
US5258766A (en) * 1987-12-10 1993-11-02 Uniscan Ltd. Antenna structure for providing a uniform field
US4968854A (en) * 1988-11-10 1990-11-06 Vanguard Products Corporation Dual elastomer gasket shield for electronic equipment
US5218371A (en) * 1990-08-14 1993-06-08 Sensormatic Electronics Corporation Antenna array for enhanced field falloff
JP3044078B2 (ja) * 1991-03-08 2000-05-22 三菱電機株式会社 不要磁界輻射防止装置
ES2252911T3 (es) * 1991-04-03 2006-05-16 Tagsys Sa Sistema de clasificacion de articulos.
DE4127045A1 (de) * 1991-08-16 1993-02-18 Telefunken Systemtechnik Flaechenabsorber fuer elektromagnetische hf-strahlung
US5373296A (en) * 1992-08-18 1994-12-13 Tdk Corporation Electromagnetic wave absorber and wave absorption structure

Also Published As

Publication number Publication date
WO1996002954A1 (en) 1996-02-01
EP0771478B1 (de) 2003-03-12
US5969609A (en) 1999-10-19
EP0771478A1 (de) 1997-05-07
DE69529904T2 (de) 2003-12-18
AUPM690494A0 (en) 1994-08-11
EP0771478A4 (de) 1997-10-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition