CA2300544A1 - Security key system - Google Patents

Security key system Download PDF

Info

Publication number
CA2300544A1
CA2300544A1 CA002300544A CA2300544A CA2300544A1 CA 2300544 A1 CA2300544 A1 CA 2300544A1 CA 002300544 A CA002300544 A CA 002300544A CA 2300544 A CA2300544 A CA 2300544A CA 2300544 A1 CA2300544 A1 CA 2300544A1
Authority
CA
Canada
Prior art keywords
resonance
resonance tag
reflected wave
frequency
data
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.)
Abandoned
Application number
CA002300544A
Other languages
English (en)
French (fr)
Inventor
Masamitsu Kobayashi
Chikara Shimamura
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.)
Sensor Technos Co Ltd
Original Assignee
Sensor Technos Co 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 Sensor Technos Co Ltd filed Critical Sensor Technos Co Ltd
Publication of CA2300544A1 publication Critical patent/CA2300544A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/283—Security features, e.g. digital codes
    • G11B23/284—Security features, e.g. digital codes on the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/109—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by using specially-adapted hardware at the client
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00876—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein physical copy protection means are attached to the medium, e.g. holograms, sensors, or additional semiconductor circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Storage Device Security (AREA)
  • Near-Field Transmission Systems (AREA)
  • Selective Calling Equipment (AREA)
CA002300544A 1999-07-22 2000-03-07 Security key system Abandoned CA2300544A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11-208269 1999-07-22
JP11208269A JP2001034468A (ja) 1999-07-22 1999-07-22 セキュリティキーシステム

Publications (1)

Publication Number Publication Date
CA2300544A1 true CA2300544A1 (en) 2001-01-22

Family

ID=16553456

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002300544A Abandoned CA2300544A1 (en) 1999-07-22 2000-03-07 Security key system

Country Status (8)

Country Link
JP (1) JP2001034468A (ja)
KR (1) KR20010020651A (ja)
CN (1) CN1282027A (ja)
CA (1) CA2300544A1 (ja)
DE (1) DE10035380A1 (ja)
FR (1) FR2796737A1 (ja)
GB (1) GB2353920B (ja)
IT (1) IT1320003B1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100436234B1 (ko) * 2001-09-18 2004-06-16 김동환 프로그램 불법복제 방지 방법과 장치
WO2012014975A1 (ja) 2010-07-29 2012-02-02 株式会社村田製作所 共振回路及びアンテナ装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583099A (en) * 1983-12-27 1986-04-15 Polyonics Corporation Resonant tag circuits useful in electronic security systems
SE450057B (sv) * 1984-11-20 1987-06-01 Saab Automation Ab Identitetsbrickor for identifiering av foremal
US4794470A (en) * 1986-06-25 1988-12-27 Media Security Incorporated And Associates Security system for protecting information
US5081446A (en) * 1990-09-24 1992-01-14 Checkpoint Systems, Inc. Security tag for compact disc storage container

Also Published As

Publication number Publication date
CN1282027A (zh) 2001-01-31
JP2001034468A (ja) 2001-02-09
DE10035380A1 (de) 2001-02-01
GB2353920A (en) 2001-03-07
ITTO20000304A0 (it) 2000-03-31
GB2353920B (en) 2001-10-03
GB0011103D0 (en) 2000-06-28
IT1320003B1 (it) 2003-11-12
ITTO20000304A1 (it) 2001-10-01
FR2796737A1 (fr) 2001-01-26
KR20010020651A (ko) 2001-03-15

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Legal Events

Date Code Title Description
FZDE Discontinued