SE501335C2 - Anordning för identifiering av föremål - Google Patents

Anordning för identifiering av föremål

Info

Publication number
SE501335C2
SE501335C2 SE8800426A SE8800426A SE501335C2 SE 501335 C2 SE501335 C2 SE 501335C2 SE 8800426 A SE8800426 A SE 8800426A SE 8800426 A SE8800426 A SE 8800426A SE 501335 C2 SE501335 C2 SE 501335C2
Authority
SE
Sweden
Prior art keywords
frequency
modulation
resonators
transmitter
signal
Prior art date
Application number
SE8800426A
Other languages
English (en)
Swedish (sv)
Other versions
SE8800426L (sv
SE8800426D0 (sv
Inventor
Kurt Olof Edvardsson
Original Assignee
Rekondo Teknik Ab
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 Rekondo Teknik Ab filed Critical Rekondo Teknik Ab
Priority to SE8800426A priority Critical patent/SE501335C2/sv
Publication of SE8800426D0 publication Critical patent/SE8800426D0/xx
Priority to EP89902555A priority patent/EP0408573B1/fr
Priority to DE68926619T priority patent/DE68926619T2/de
Priority to PCT/SE1989/000051 priority patent/WO1989007772A1/fr
Publication of SE8800426L publication Critical patent/SE8800426L/xx
Publication of SE501335C2 publication Critical patent/SE501335C2/sv

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Near-Field Transmission Systems (AREA)
SE8800426A 1988-02-10 1988-02-10 Anordning för identifiering av föremål SE501335C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8800426A SE501335C2 (sv) 1988-02-10 1988-02-10 Anordning för identifiering av föremål
EP89902555A EP0408573B1 (fr) 1988-02-10 1989-02-09 Dispositif d'identification d'objets
DE68926619T DE68926619T2 (de) 1988-02-10 1989-02-09 Anordnung zur identifizierung von gegenständen
PCT/SE1989/000051 WO1989007772A1 (fr) 1988-02-10 1989-02-09 Dispositif d'identification d'objets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8800426A SE501335C2 (sv) 1988-02-10 1988-02-10 Anordning för identifiering av föremål

Publications (3)

Publication Number Publication Date
SE8800426D0 SE8800426D0 (sv) 1988-02-10
SE8800426L SE8800426L (sv) 1989-08-11
SE501335C2 true SE501335C2 (sv) 1995-01-16

Family

ID=20371320

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8800426A SE501335C2 (sv) 1988-02-10 1988-02-10 Anordning för identifiering av föremål

Country Status (4)

Country Link
EP (1) EP0408573B1 (fr)
DE (1) DE68926619T2 (fr)
SE (1) SE501335C2 (fr)
WO (1) WO1989007772A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083113A (en) * 1990-01-31 1992-01-21 Texas Instruments Incorporated Inductive coupled object identification system and method
FI100491B (fi) * 1995-08-23 1997-12-15 Tuotesuoja Sirpa Jaervensivu K Tuotesuoja-anturin deaktivointilaitteisto
NL1016416C2 (nl) * 2000-10-16 2002-04-18 Nedap Nv Meetapparaat voor het testen van RFID labels.
WO2003062861A1 (fr) * 2002-01-16 2003-07-31 Tagsys Australia Pty Ltd Systeme et procede pour la communication par etiquettes electroniques
CN113498480B (zh) * 2019-03-05 2024-07-26 宝洁公司 无线监测系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798642A (en) * 1972-09-27 1974-03-19 Microlab Fxr Recognition system
US4069472A (en) * 1975-12-25 1978-01-17 Tokyo Shibaura Electric Co., Ltd. Foreground subject-identifying apparatus
US4356477A (en) * 1980-09-30 1982-10-26 Jan Vandebult FM/AM Electronic security system
GB2180123B (en) * 1984-12-21 1989-01-18 Senezco Limited Transponder systems

Also Published As

Publication number Publication date
WO1989007772A1 (fr) 1989-08-24
DE68926619D1 (de) 1996-07-11
SE8800426L (sv) 1989-08-11
EP0408573A1 (fr) 1991-01-23
EP0408573B1 (fr) 1996-06-05
DE68926619T2 (de) 1996-10-02
SE8800426D0 (sv) 1988-02-10

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