EP1811538A3 - Magnetically actuated identification device - Google Patents

Magnetically actuated identification device Download PDF

Info

Publication number
EP1811538A3
EP1811538A3 EP07100936A EP07100936A EP1811538A3 EP 1811538 A3 EP1811538 A3 EP 1811538A3 EP 07100936 A EP07100936 A EP 07100936A EP 07100936 A EP07100936 A EP 07100936A EP 1811538 A3 EP1811538 A3 EP 1811538A3
Authority
EP
European Patent Office
Prior art keywords
receiver
identification device
magnetically actuated
microswitches
transmitter
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.)
Withdrawn
Application number
EP07100936A
Other languages
German (de)
French (fr)
Other versions
EP1811538A2 (en
Inventor
Laurent Chiesi
Benoît Grappe
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1811538A2 publication Critical patent/EP1811538A2/en
Publication of EP1811538A3 publication Critical patent/EP1811538A3/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/0046—Limit switches, also fail-safe operation or anti-tamper considerations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H2036/0093—Micromechanical switches actuated by a change of the magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/005—Details of electromagnetic relays using micromechanics
    • H01H2050/007—Relays of the polarised type, e.g. the MEMS relay beam having a preferential magnetisation direction

Abstract

La présente invention concerne un dispositif d'identification à commande magnétique comprenant un récepteur (2) comportant une pluralité de micro-interrupteurs (20a, 20b), chacun doté d'un élément mobile entre deux positions pour commander un circuit électrique, un émetteur (1) de type déterminé correspondant au récepteur (2) et comportant un aimant permanent (11) créant un champ magnétique. Lorsque l'émetteur (1) qui correspond au récepteur (2) est dans une position rapprochée par rapport au récepteur (2), les lignes de champ magnétique (L1) de l'aimant permanent (11) présentent une orientation créant une aimantation dans chaque élément mobile afin de provoquer le changement de position des éléments mobiles de tous les micro-interrupteurs (20a, 20b) et ainsi commander le circuit électrique.

Figure imgaf001
The present invention relates to a magnetic control identification device comprising a receiver (2) having a plurality of microswitches (20a, 20b), each having a movable element between two positions for controlling an electrical circuit, a transmitter ( 1) of determined type corresponding to the receiver (2) and comprising a permanent magnet (11) creating a magnetic field. When the transmitter (1) which corresponds to the receiver (2) is in a position close to the receiver (2), the magnetic field lines (L1) of the permanent magnet (11) have an orientation creating a magnetization in each movable element to cause the change of position of the movable elements of all microswitches (20a, 20b) and thus control the electrical circuit.
Figure imgaf001
EP07100936A 2006-01-24 2007-01-22 Magnetically actuated identification device Withdrawn EP1811538A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0650244A FR2896616B1 (en) 2006-01-24 2006-01-24 MAGNETICALLY CONTROLLED IDENTIFICATION DEVICE

Publications (2)

Publication Number Publication Date
EP1811538A2 EP1811538A2 (en) 2007-07-25
EP1811538A3 true EP1811538A3 (en) 2010-04-14

Family

ID=36999776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07100936A Withdrawn EP1811538A3 (en) 2006-01-24 2007-01-22 Magnetically actuated identification device

Country Status (2)

Country Link
EP (1) EP1811538A3 (en)
FR (1) FR2896616B1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812674A (en) * 1985-05-20 1989-03-14 Square D Company Safety gate limit switch using Hall effect transducer
DE19622447A1 (en) * 1995-06-06 1996-12-12 Robot Coupe S N C Electrical safety interlocked switching system
US6320145B1 (en) * 1998-03-31 2001-11-20 California Institute Of Technology Fabricating and using a micromachined magnetostatic relay or switch
US6348861B1 (en) * 2000-06-09 2002-02-19 Thomas Wing Kawk Li Binary multi-code combination sensor
EP1241695A2 (en) * 2001-03-13 2002-09-18 Takamisawa Electric Co., Ltd. Switch operable under a predetermined condition, external magnetic field generating unit, combination of such a switch and an externak magnetic field generatingunit and electronic apparatus incorporating the same.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812674A (en) * 1985-05-20 1989-03-14 Square D Company Safety gate limit switch using Hall effect transducer
DE19622447A1 (en) * 1995-06-06 1996-12-12 Robot Coupe S N C Electrical safety interlocked switching system
US6320145B1 (en) * 1998-03-31 2001-11-20 California Institute Of Technology Fabricating and using a micromachined magnetostatic relay or switch
US6348861B1 (en) * 2000-06-09 2002-02-19 Thomas Wing Kawk Li Binary multi-code combination sensor
EP1241695A2 (en) * 2001-03-13 2002-09-18 Takamisawa Electric Co., Ltd. Switch operable under a predetermined condition, external magnetic field generating unit, combination of such a switch and an externak magnetic field generatingunit and electronic apparatus incorporating the same.

Also Published As

Publication number Publication date
FR2896616A1 (en) 2007-07-27
EP1811538A2 (en) 2007-07-25
FR2896616B1 (en) 2011-10-14

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