EP0247003A1 - Dispositif de sécurité contre le vol d'objets - Google Patents

Dispositif de sécurité contre le vol d'objets Download PDF

Info

Publication number: EP0247003A1
Authority: EP; European Patent Office
Prior art keywords: housing; protective tube; plate; permanent magnet; contacts
Prior art date: 1986-05-21
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.): Granted

Application number

EP87810306A

Other languages

German (de)

English (en)

Other versions

EP0247003B1 (fr

Inventor

Pierre Spycher

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.)

Securiton AG

Original Assignee

Securiton AG

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.)

1986-05-21

Filing date

1987-05-20

Publication date

1987-11-25

1987-05-20 Application filed by Securiton AG filed Critical Securiton AG

1987-05-20 Priority to AT87810306T priority Critical patent/ATE66080T1/de

1987-11-25 Publication of EP0247003A1 publication Critical patent/EP0247003A1/fr

1991-08-07 Application granted granted Critical

1991-08-07 Publication of EP0247003B1 publication Critical patent/EP0247003B1/fr

2007-05-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/149—Mechanical actuation by lifting or attempted removal of hand-portable articles with electric, magnetic, capacitive switch actuation
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Definitions

the invention relates to a device according to the preamble of claim 1.
Such a device uses a stationary protective tube contact arrangement which consists of at least two protective tube contacts, also known as reed contacts, which are mounted next to one another. Permanent magnets which are individually assigned to these protective tube contacts and are attached to the object to be secured are likewise mounted next to one another and have opposite polarity, so that the device cannot be sabotaged by means of an external magnet.
This known device has the disadvantage that permanent magnets have to be attached to the object to be protected, so that this object is defaced or changed.
the invention has for its object to avoid the shortcomings of the known device in a device of the type mentioned.
the device according to the invention offers various advantages. It is flat, compact, light and has a small volume and high operational and sabotage security. Vibrations and small movements on the monitored object, such as those caused by observers or caused by airing, cannot trigger an alarm. No components of the device have to be attached to the monitored object, so that this object is not defaced or changed.
the device according to the invention does not require a voltage source and it can be combined with a transmitter for wireless transmission of alarms.
a voltage source and it can be combined with a transmitter for wireless transmission of alarms.
protective tube contacts and permanent magnets as components, the device is protected against dusting, dirt, aggressive gases and aging.
the device according to FIG. 1 has a housing 1 to which a plate 10 is fastened so that it can be rotated on one side in such a way that the friction along the axis of rotation A is as small as possible.
a thin plastic film connects the housing 1 to the plate 10.
the fastening of the plate 10 to the housing 1 can also consist of threads or a band.
the housing 1 with the plate 10 and a painting 14 are attached to a wall 16.
a protective tube contact 7 is arranged, which is surrounded by protective tube contacts 3, 4, 5, 6.
two thermowell contacts 8, 9 and a permanent magnet 2 are arranged.
a permanent magnet 15 is attached to the wall 16 behind the protective tube contact 9.
a permanent magnet 13 is assigned to the protective tube contact 7, a permanent magnet 12 to the protective tube contact 8 and a permanent magnet 11 to the permanent magnet 2.
the plate 10 is repelled by the housing 1 with the same polarity of the permanent magnets 2.11 until the painting 10 mm away from the housing is touched by the plate 10. The distance of the painting 14 from the housing 1 is thus detected by the plate 10. If the painting 14 is removed from the housing 1 by a certain maximum distance, the plate 10 assumes the position shown in FIG. 5 and the magnetic field of the permanent magnet 13 on the protective tube contact 7 becomes so weak that this contact opens and an alarm is triggered. If the painting 14 is brought to a certain minimum distance from the housing 1, for example by touching or poking, the plate 10 assumes the position shown in FIG. 4 and the magnetic field of the permanent magnet 12 on the protective tube contact 8 becomes so strong that this contact closes and an alarm is triggered.
the permanent magnet 13 and the protective tube contact 7 are to be arranged as close as possible to the axis of rotation A of the plate 10 and the permanent magnet 12 and the protective tube contact 8 as far as possible from the axis of rotation A in order to ensure reliable functioning of the device despite the relatively weak magnetic fields of the permanent magnets 12, 13 ensure walking. In this way, depending on the magnetic field strength of the permanent magnets 12, 13, various above-mentioned maximum and minimum distances can be selected. If the arrangement is maliciously torn off the wall 16, the protective tube contact 9 opens, which is kept closed by the permanent magnet 15, and a sabotage alarm is triggered.
the protective tube contacts 3, 4, 5, 6 surrounding the protective tube contact 7 protect the protective tube contact 7 from external magnetic fields supplied from outside for sabotage of the device by at least one of them
Thermowell contacts close when an external magnetic field is applied and a sabotage alarm is triggered.
the arrangement of the protective tube contacts 3, 4, 5, 6 can be star-shaped, rectangular and offset or circular, as shown in FIGS. 6, 7 and 8, in which the number of these contacts is greater than 4.
FIG. 2 shows the view of the assembled housing 1 with the protective tube contacts 3 to 9 and the permanent magnet 2.
FIG. 3 shows the view of the equipped plate 10 with the permanent magnets 11 to 13.
the device according to the invention can also be implemented without the permanent magnet 12 and protective tube contact 8.
the distance between the protective tube contact 5 and the protective tube contact 7 must be selected such that when the plate 10 approaches the housing 1 according to FIG. 4, the protective tube contact 5 is closed by the permanent magnet 13.

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Security & Cryptography (AREA)
Burglar Alarm Systems (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)

EP87810306A 1986-05-21 1987-05-20 Dispositif de sécurité contre le vol d'objets Expired - Lifetime EP0247003B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT87810306T ATE66080T1 (de)	1986-05-21	1987-05-20	Vorrichtung zur sicherung gegen diebstahl von gegenstaenden.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH2051/86		1986-05-21
CH205186		1986-05-21

Publications (2)

Publication Number	Publication Date
EP0247003A1 true EP0247003A1 (fr)	1987-11-25
EP0247003B1 EP0247003B1 (fr)	1991-08-07

Family

ID=4224776

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87810306A Expired - Lifetime EP0247003B1 (fr)	1986-05-21	1987-05-20	Dispositif de sécurité contre le vol d'objets

Country Status (6)

Country	Link
EP (1)	EP0247003B1 (fr)
AT (1)	ATE66080T1 (fr)
DE (1)	DE3771929D1 (fr)
DK (1)	DK165030C (fr)
FI (1)	FI85777C (fr)
NO (1)	NO168394C (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1108111B (de) *	1960-05-20	1961-05-31	Siemens Ag	Anordnung zur Sicherung gegen Diebstahl
CH428503A (de) *	1963-04-17	1967-01-15	Sonnenschein Accumulatoren	Anlage zum automatischen Melden einer unbefugten Verschiebung eines Gegenstandes
DE1766582A1 (de) *	1968-06-15	1971-07-29	Telefonbau & Normalzeit Gmbh	Elektrische Meldevorrichtung zur Sicherung eines an einen Platz gebundenen,jedoch in sich beweglichen oder teilbaren Gegenstandes

1987
- 1987-05-19 NO NO872092A patent/NO168394C/no not_active IP Right Cessation
- 1987-05-20 DK DK256687A patent/DK165030C/da not_active IP Right Cessation
- 1987-05-20 AT AT87810306T patent/ATE66080T1/de not_active IP Right Cessation
- 1987-05-20 EP EP87810306A patent/EP0247003B1/fr not_active Expired - Lifetime
- 1987-05-20 DE DE8787810306T patent/DE3771929D1/de not_active Expired - Lifetime
- 1987-05-21 FI FI872229A patent/FI85777C/fi not_active IP Right Cessation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1108111B (de) *	1960-05-20	1961-05-31	Siemens Ag	Anordnung zur Sicherung gegen Diebstahl
CH428503A (de) *	1963-04-17	1967-01-15	Sonnenschein Accumulatoren	Anlage zum automatischen Melden einer unbefugten Verschiebung eines Gegenstandes
DE1766582A1 (de) *	1968-06-15	1971-07-29	Telefonbau & Normalzeit Gmbh	Elektrische Meldevorrichtung zur Sicherung eines an einen Platz gebundenen,jedoch in sich beweglichen oder teilbaren Gegenstandes

Also Published As

Publication number	Publication date
ATE66080T1 (de)	1991-08-15
DE3771929D1 (de)	1991-09-12
FI85777C (fi)	1992-05-25
FI872229A0 (fi)	1987-05-21
NO168394C (no)	1992-02-12
NO168394B (no)	1991-11-04
FI872229A7 (fi)	1987-11-22
EP0247003B1 (fr)	1991-08-07
DK165030C (da)	1993-02-08
DK165030B (da)	1992-09-28
NO872092L (no)	1987-11-23
NO872092D0 (no)	1987-05-19
FI85777B (fi)	1992-02-14
DK256687A (da)	1987-11-22
DK256687D0 (da)	1987-05-20

Legal Events

Date	Code	Title	Description
1987-10-10	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1987-11-25	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI NL SE
1988-07-20	17P	Request for examination filed	Effective date: 19880519
1991-01-23	17Q	First examination report despatched	Effective date: 19901207
1991-06-21	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-08-07	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI NL SE
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1991-10-23	ITF	It: translation for a ep patent filed
1991-10-31	ET	Fr: translation filed
1991-11-06	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-06-11	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-06-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-07-29	26N	No opposition filed
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 87810306.8
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2002-04-09	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: AT Payment date: 20020409 Year of fee payment: 16
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2003-11-30	BERE	Be: lapsed	Owner name: SECURITON A.G. Effective date*: 20030531
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2004-01-07	EUG	Se: european patent has lapsed
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