WO2008023678A1 - Dispositif à clé électronique - Google Patents

Dispositif à clé électronique Download PDF

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Publication number
WO2008023678A1
WO2008023678A1 PCT/JP2007/066149 JP2007066149W WO2008023678A1 WO 2008023678 A1 WO2008023678 A1 WO 2008023678A1 JP 2007066149 W JP2007066149 W JP 2007066149W WO 2008023678 A1 WO2008023678 A1 WO 2008023678A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
opening
electronic key
key device
communication
Prior art date
Application number
PCT/JP2007/066149
Other languages
English (en)
Japanese (ja)
Inventor
Tomoaki Ito
Original Assignee
Orient Instrument Computer 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 Orient Instrument Computer Co., Ltd. filed Critical Orient Instrument Computer Co., Ltd.
Publication of WO2008023678A1 publication Critical patent/WO2008023678A1/fr

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks

Definitions

  • the present invention relates to an electronic key device that locks and unlocks a lock provided, for example, on a door of a building, a door of a car, or a drawer, and more particularly to an electronic key device that uses non-contact communication.
  • Patent Document 1 an electronic key device for a vehicle that performs locking and unlocking of an automobile door and starting of an engine.
  • the in-vehicle device and the electronic key communicate wirelessly and collate each other's ID code. If the collation is OK, the door is unlocked and the engine is started. I do.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2005-207083
  • Patent Document 2 Japanese Patent Laid-Open No. 2003-193717
  • an object of the present invention is to provide an electronic key device that can prevent skimming and to improve user satisfaction.
  • the present invention relates to a key part for locking and unlocking a lock, a holding part held by a user at the time of locking and unlocking, and a non-contact IC medium provided in the holding part and performing non-contact communication.
  • Comprising the holding portion A surrounding part that has an opening partly and surrounds the whole of the non-contact IC medium other than the opening part, and an opening and closing shirt mounted on the opening part of the surrounding part so as to be openable and closable.
  • FIG. 1 is an explanatory view of opening and closing of an electronic key device according to a front view.
  • FIG. 2 is an explanatory view of opening and closing of the electronic key device by a cross-sectional view.
  • FIG. 3 is a block diagram showing a configuration of a non-contact IC tag.
  • Fig. 1 (A) shows a plan view of the electronic key device 1 in the closed state
  • Fig. 1 (B) shows a plan view of the electronic key device 1 in the open state
  • Fig. 2 (A) shows the electronic key device in the closed state
  • FIG. 2 (B) shows a cross-sectional view of the electronic key device 1 in the opened state along the line BB.
  • the electronic key device 1 includes a key part 2 that physically locks and unlocks the lock and a holding part 3 that is held by the user.
  • the holding unit 3 includes a main body 5 having an opening 5a formed on the upper surface, and an opening / closing shirt 4 that slides from a position surrounding the opening 5a of the main body 5 to a position partially opening. It has been.
  • the main body 5 has an opening 5a on its upper surface, and a non-contact IC tag 20 is accommodated in the opening 5b.
  • the opening / closing shirt 4 is slidably mounted on the opening 5b.
  • the main body 5 has a base portion of the key portion 2 embedded in one side surface.
  • Each of the opening / closing shirt 4 and the main body 5 is formed of a mixed resin material in which soft ferrite and polycarbonate are mixed approximately 50%.
  • the material of the opening / closing shirt 4 and the main body 5 is not limited to this, and the force S can be configured by mixing an appropriate communication wave blocking material and a resin material at an appropriate ratio.
  • an appropriate soft magnetic material can be used, for example, ferrite, soft ferrite, permalloy, iron oxide, Finemet (registered trademark), or a mixed material of these materials. Can be configured. In detail, if a material that irregularly reflects electromagnetic elements, such as aluminum or copper, is used as the communication wave blocking material, contactless communication cannot be realized even when the open / close shirt 4 is opened. However, by using a soft magnetic material such as ferrite, soft ferrite, permalloy, iron oxide, or Finemet (registered trademark), it is possible to switch the non-contact communication of the non-contact IC tag 20 by opening / closing the open / close shirt 4. .
  • an appropriate resin material such as polycarbonate, ABS, or polystyrene is used.
  • These communication wave blocking materials and resin materials can be mixed and used at an appropriate ratio. By including a communication wave blocking material in the resin material in this way, molding becomes easy.
  • a non-contact IC tag 20 is embedded in the opening 5 a of the main body 5.
  • the non-contact IC tag 20 is configured by covering an IC chip 21 and a loop antenna 22 with an exterior 25.
  • the exterior 25 is made of an appropriate material that allows electromagnetic waves (communication waves) such as PET to pass through.
  • the loop antenna 22 is formed in a loop shape in plan view, and a part of the loop antenna 22 is configured to be located in the open space 5b when seen in plan view. In other words, the open space 5b is configured to straddle the inner side and the outer side of the loop antenna 22 in plan view.
  • the non-contact IC tag 20 has the main body 5 with no gaps on all surfaces except the top surface. The upper and lower shirts 4 are in contact with each other without any gaps.
  • FIG. 3 shows a block diagram of the contactless IC tag 20.
  • the non-contact IC tag 20 includes an IC chip 21 and a loop antenna 22.
  • a capacitor 41 is connected in parallel with the loop antenna 22, and a command 43 and a transmission clock 44 are input to the control microprocessor 46 from the analog front end 42 at the rear stage of the capacitor 41.
  • control microprocessor 46 Upon receiving the command 43 and the transmission clock 44, the control microprocessor 46 reads / writes data from / to the memory 48 composed of ROM, RAM, EEPROM, etc. Process 47 is also executed. The control microprocessor 46 transmits data to the modulator 45.
  • the modulator 45 modulates the data received from the control microprocessor 46 into an analog signal and sends it to the analog front end 42.
  • the non-contact IC tag 20 configured as described above is activated by the induced electromotive force of the response request signal when a response request signal is received from a reading device provided in a lock such as a vehicle (not shown). Then, the control microprocessor 46 performs encryption processing 47 on information such as an ID stored in the memory 48 and transmits a response from the loop antenna 22 to the reader.
  • the electromagnetic wave (communication wave) is blocked while the open / close shirt 4 is closed, and the non-contact IC tag 20 cannot be contacted.
  • the opening / closing shirt 4 is slid in the opening direction by the user, the non-contact IC tag 20 becomes ready for non-contact communication.
  • a response request signal is received from a reading device provided on a lock not shown, an induced electromotive force is obtained from the response request signal, and a response according to the response request signal is performed.
  • This response includes a response transmission of the ID stored in the memory 48.
  • the reading device determines whether or not it is a legitimate electronic key device 1 by ID authentication. If it is a legitimate electronic key device 1, the door is unlocked, the vehicle engine is started, and V, etc. Can be executed.
  • the electronic key device 1 When the electronic key device 1 is not used, if the user keeps the opening / closing shirt 4 closed, the non-contact IC tag 20 is completely surrounded by the opening / closing shirt 4 and the main body 5 so that an external The electromagnetic wave (communication wave) does not reach the contactless IC tag 20. [0027]
  • the electronic key device 1 described above can prevent unauthorized skimming and the like.
  • the main body 5 provided around the non-contact IC tag 20 is composed of a member using a soft magnetic material! Therefore, the communication wave from the reader and the non-contact IC tag 20 The communication wave transmitted by can be enhanced and a good communication state can be obtained.
  • the opening / closing shatter 4 is a sliding movement type, and is not limited to this, and an appropriate opening / closing method such as a rotation opening / closing type or a folding opening / closing type may be adopted.
  • the opening / closing shirter 4 and the main body 5 are made of a soft magnetic material that prevents the electromagnetic wave (communication wave) from passing through the material itself.
  • a soft magnetic material may be applied. Even in this case, it is possible to completely surround the non-contact IC tag 20 in the closed state and prevent skimming.
  • the go portion of the present invention corresponds to the main body portion 5 of the embodiment
  • Non-contact IC media corresponds to non-contact IC tag 20
  • the communication wave blocking member is compatible with a resin material mixed with approximately 50% soft ferrite and polycarbonate.
  • Communication wave blocking material supports soft ferrite
  • Resin corresponds to polycarbonate
  • the present invention is not limited to the configuration of the above-described embodiment, and can provide many embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif à clé électronique (1) qui inclut : une unité à clé (2) permettant le verrouillage et le déverrouillage d'une serrure ; une unité de support (3) tenue par un utilisateur lors du verrouillage ou du déverrouillage de la serrure ; et une étiquette à circuit intégré sans contact (20) placée dans l'unité de support (3) permettant d'effectuer une communication sans contact. L'unité de support (3) est formée par un corps (5) ayant une ouverture (5a) et entourant l'ensemble de l'étiquette à circuit intégré sans contact (20) à l'exception de l'ouverture (5a) et par un volet d'ouverture / fermeture (4) monté sur l'ouverture (5a) du corps (5) de sorte à ce que le volet puisse être ouvert et fermé. Le corps (5) et le volet d'ouverture / fermeture (4) sont formés par un mélange de résines de ferrite doux et de polycarbonate qui coupe l'onde de communication de l'étiquette à circuit intégré sans contact (20).
PCT/JP2007/066149 2006-08-24 2007-08-21 Dispositif à clé électronique WO2008023678A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-227380 2006-08-24
JP2006227380A JP2008050823A (ja) 2006-08-24 2006-08-24 電子鍵装置

Publications (1)

Publication Number Publication Date
WO2008023678A1 true WO2008023678A1 (fr) 2008-02-28

Family

ID=39106763

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/066149 WO2008023678A1 (fr) 2006-08-24 2007-08-21 Dispositif à clé électronique

Country Status (2)

Country Link
JP (1) JP2008050823A (fr)
WO (1) WO2008023678A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741994A (zh) * 2014-01-02 2014-04-23 福州市台江区振斌高效电磁聚能科技研究所 U盾钥匙

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7447595B2 (ja) 2020-03-23 2024-03-12 コニカミノルタ株式会社 医用画像表示装置、医用画像表示方法、および、プログラム
CN112886181A (zh) * 2021-03-24 2021-06-01 深圳雷鸥克科技有限公司 可自由调节天线长度的信号屏蔽发射盒

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08199871A (ja) * 1995-01-24 1996-08-06 Yuhshin Co Ltd キ ー
JPH1191510A (ja) * 1997-09-24 1999-04-06 Tokai Rika Co Ltd イモビライザキー
JP2005109609A (ja) * 2003-09-29 2005-04-21 Nippon Soken Inc 電波送信機
JP2006099562A (ja) * 2004-09-30 2006-04-13 Toshiba Corp 無線ｉｃ冊子

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08199871A (ja) * 1995-01-24 1996-08-06 Yuhshin Co Ltd キ ー
JPH1191510A (ja) * 1997-09-24 1999-04-06 Tokai Rika Co Ltd イモビライザキー
JP2005109609A (ja) * 2003-09-29 2005-04-21 Nippon Soken Inc 電波送信機
JP2006099562A (ja) * 2004-09-30 2006-04-13 Toshiba Corp 無線ｉｃ冊子

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741994A (zh) * 2014-01-02 2014-04-23 福州市台江区振斌高效电磁聚能科技研究所 U盾钥匙

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Publication number Publication date
JP2008050823A (ja) 2008-03-06

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