SE9301206L - Monitoring method and device at glass pane - Google Patents

Monitoring method and device at glass pane

Info

Publication number
SE9301206L
SE9301206L SE9301206A SE9301206A SE9301206L SE 9301206 L SE9301206 L SE 9301206L SE 9301206 A SE9301206 A SE 9301206A SE 9301206 A SE9301206 A SE 9301206A SE 9301206 L SE9301206 L SE 9301206L
Authority
SE
Sweden
Prior art keywords
glass pane
pane
fields
electric
electromagnetic fields
Prior art date
Application number
SE9301206A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9301206D0 (en
Inventor
Goeran Hansson
Bo Lindgren
Tommy Soederberg
Original Assignee
Goeran Hansson
Bo Lindgren
Tommy Soederberg
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 Goeran Hansson, Bo Lindgren, Tommy Soederberg filed Critical Goeran Hansson
Priority to SE9301206A priority Critical patent/SE9301206L/en
Publication of SE9301206D0 publication Critical patent/SE9301206D0/en
Priority to EP94912723A priority patent/EP0693207A1/en
Priority to PCT/SE1994/000308 priority patent/WO1994024645A1/en
Priority to AU65150/94A priority patent/AU6515094A/en
Publication of SE9301206L publication Critical patent/SE9301206L/en

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
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

According to the present invention is disclosed a method and a device for a glass pane (12) utilizing locally generated first and second electric or electromagnetic fields and in which changes due to an introduced electrically conducting object by an electronic measurement device. The fields are produced by an electronic unit and by means of a transparent but conducting layer (14) preferably applied to the inner surface of the glass pane to be guarded. The conducting layer (14) on the pane simultaneously constitutes an electrode for sensing of changes in the thus generated fields due to the presence of an electrically conducting body. Additionally the electronic unit performs by means of said electrode, thus covering the entire glass pane, a capacitive measurement whereby further is detected if a conducting object, sensed by the first and second electric or electromagnetic fields will come very close or in contact with the pane. By means of the applied electric or electromagnetic fields and the capacitive measurement different surveillance zones (1, 2, 3) are defined and having different levels of alarm.
SE9301206A 1993-04-08 1993-04-08 Monitoring method and device at glass pane SE9301206L (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9301206A SE9301206L (en) 1993-04-08 1993-04-08 Monitoring method and device at glass pane
EP94912723A EP0693207A1 (en) 1993-04-08 1994-04-07 A method for surveillance of a glass pane
PCT/SE1994/000308 WO1994024645A1 (en) 1993-04-08 1994-04-07 A method for surveillance of a glass pane
AU65150/94A AU6515094A (en) 1993-04-08 1994-04-07 A method for surveillance of a glass pane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301206A SE9301206L (en) 1993-04-08 1993-04-08 Monitoring method and device at glass pane

Publications (2)

Publication Number Publication Date
SE9301206D0 SE9301206D0 (en) 1993-04-08
SE9301206L true SE9301206L (en) 1994-10-09

Family

ID=20389549

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301206A SE9301206L (en) 1993-04-08 1993-04-08 Monitoring method and device at glass pane

Country Status (4)

Country Link
EP (1) EP0693207A1 (en)
AU (1) AU6515094A (en)
SE (1) SE9301206L (en)
WO (1) WO1994024645A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9303582D0 (en) * 1993-10-29 1993-10-29 Goeran Hansson Touch and theft protection for office equipment
DE69624124T2 (en) * 1995-09-25 2003-06-26 Jorn Sorensen METHOD AND DEVICE FOR DETECTING THE DISTANCE BETWEEN A FIRST OBJECT AND A SECOND OBJECT
DE19703844A1 (en) * 1997-02-01 1998-08-06 Arcon Flachglasveredlungsgesel Proximity sensor or touch switch or break switch or the like
US7109726B2 (en) 2001-07-25 2006-09-19 Koninklijke Philips Electronics N.V. Object sensing
NL2003554C2 (en) 2009-09-25 2011-03-28 Henri Peteri Beheer Bv COOKING WATER TAP.
PT3076206T (en) * 2015-04-01 2019-03-14 Ontech Security S L Home security system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596300A (en) * 1978-05-15 1981-08-26 Philips C C Burglar alarms
DE3227876A1 (en) * 1981-11-20 1983-06-01 Fa. Aug. Winkhaus, 4404 Telgte Alarm system for protecting a passage
GB2184277B (en) * 1985-12-12 1990-02-07 Smiths Industries Plc Intruder alarm systems and methods of deterring intruders
US4987402A (en) * 1987-01-21 1991-01-22 Electronic Security Products Of California Alarm system for sensing and vocally warning of an unauthorized approach towards a protected object or zone

Also Published As

Publication number Publication date
EP0693207A1 (en) 1996-01-24
WO1994024645A1 (en) 1994-10-27
SE9301206D0 (en) 1993-04-08
AU6515094A (en) 1994-11-08

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