EP1005003B1 - Security equipment, particularly for the protection of locations - Google Patents
Security equipment, particularly for the protection of locations Download PDFInfo
- Publication number
- EP1005003B1 EP1005003B1 EP99203806A EP99203806A EP1005003B1 EP 1005003 B1 EP1005003 B1 EP 1005003B1 EP 99203806 A EP99203806 A EP 99203806A EP 99203806 A EP99203806 A EP 99203806A EP 1005003 B1 EP1005003 B1 EP 1005003B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security equipment
- panel
- flat body
- pavement
- perimeter
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/10—Mechanical actuation by pressure on floors, floor coverings, stair treads, counters, or tills
Definitions
- the present invention relates to security equipment for the protection of paved locations, capable of warning of approaches and intrusions, of the type that comprises at least one transducer with a flat body suitable to be embedded in the pavement.
- the problem addressed by the present invention is that of providing security equipment of the type specified, which has structural and functional characteristics such as to satisfy the abovementioned need, while at the same time overcoming the problems of the prior art.
- security equipment of the type specified which is characterized in that it includes a flexible region of predetermined area in the shape of a closed ring around the flat body and suitable to be embedded with the flat body in the pavement.
- the number 1 is a general reference for security equipment, particularly for protecting a location 2. It warns of the approach or the intrusion or the like of an intruder or unauthorized person.
- the location 2 is an area of footway provided with a pavement 4 and extending in front of a window or door 5 of a building 6.
- the pavement 4 is of the type comprising a first layer 7 of cast concrete resting on soil 8, a second layer 9 of cast mortar, and finally a covering 10 of paving flags 11.
- the security equipment 1 comprises a plurality P of piezoelectric transducers (12), of which there are five in the example, distributed in the area of each location 2 to be protected.
- the five transducers 12 are arranged in a zigzag line 13, being positioned at its angular points and separated from each other by a distance I of between 50 cm and 1 m, preferably 75 cm in the example.
- Each transducer 12 comprises a flat, basically cylindrical body 14 of vertical axis X-X having an outside diameter D equal to 100 mm and a height H equal to 30 mm.
- the body 14 comprises a base 15, a cylindrical housing 16 and, parallel to the base 15, a partition 17.
- a depression 18 bounded by an annular edge 19 is formed in the partition 17.
- a disc 20 On top of the body 14 is a disc 20 with a downward projection 20a on its underside.
- the disc 20 and the projection 20a constitute a receptor 21.
- a thin flat piezoelectric sensor known per se, with the general reference 23, is mounted inside the body 14.
- the thin flat piezoelectric sensor 23 takes the form of a metal, e.g. brass, plate 24, and a silvered plate 25 forming an electrode which is bonded to the plate 24 by a ceramic layer 26.
- a metal e.g. brass
- a silvered plate 25 forming an electrode which is bonded to the plate 24 by a ceramic layer 26.
- the thin flat piezoelectric sensor 23 is fixed, e.g. bonded, to the annular edge 19, so defining an upper chamber 27, filled with a resin, and a lower chamber, represented by the depression 18, which is hollow.
- Conducting wires 29 and 30 run from the sensor 23, specifically from the plate 24 and from a plate 25, respectively, to respective conductors 31 and 32 which pass through the body 14 and out through the bushings 22.
- the conductors 31 and 32 lead to an electronic monitoring apparatus of a conventional type and not shown in the figures.
- the security equipment 1 comprises, for each transducer 12, a flexible region 33. This has a predetermined surface area, forms a closed ring around the flat body and is intended to be embedded with the flat body in the pavement 4.
- the flat body 14 and the flexible region 33 are laid on the layer 7 and are embedded in the pavement 4 when the layer 9 is cast.
- the flexible region 33 comprises a generally annular panel 34 containing a circular hole 35 produced by e.g. punching, the diameter of which is such that the panel is fitted without play, and indeed with a predetermined force fit about the cylindrical housing 16 of the flat body 14.
- the force required is such that the panel 34 remains tightly closed about the cylindrical housing 16 and such that it is therefore impossible for the mortar of the layer 9 to infiltrate between the panel 34 and the cylindrical housing 16 of the flat body 14 during casting.
- the panel 34 of each transducer 12 extends as far as the panels of the adjacent transducers in the plurality P and forms with these a single integral carpet 36.
- the panels 34, and the carpet 36, are made from an elastic material, preferably an elastomeric material, particularly natural or synthetic rubber.
- the panels 34 and the carpet 36 are advantageously made from a membrane known as a bitumen polymer membrane BPM comprising a polymer and bitumen. This is well known in the building trade and is of moderate cost.
- the panels 34 as also the carpet 36, have a thickness S of between 3 and 5 mm and preferably have a thickness of 4 mm.
- the panels and the carpet extend in the same plane as the flat body, level with its base.
- the flexible region 33 takes the form of a panel shaped like an annulus with a circular perimeter, having a diameter A of between 50 cm and 1 m and preferably a diameter of 75 cm.
- the flexible region 33 takes the form of a panel 38, 39 in the shape of an annulus with a polygonal perimeter with predetermined sides.
- the flexible region 33 takes the form of a panel 38 that has a square perimeter with sides of length B, or a panel 39 that has a hexagonal perimeter with sides of length C, these lengths being selected in such a way that each panel extends as far as the adjacent panels.
- the main advantage of the security equipment according to the present invention is its more-than-ordinary sensitivity.
- Another advantage of the security equipment according to the present invention is its reliability, the transducers being distant from the surface of the pavement and therefore protected from accidental impact.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Road Signs Or Road Markings (AREA)
- Burglar Alarm Systems (AREA)
- Developing Agents For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9930432T SI1005003T1 (en) | 1998-11-24 | 1999-11-15 | Security equipment, particularly for the protection of locations |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI982545 | 1998-11-24 | ||
IT1998MI002545A IT1303861B1 (it) | 1998-11-24 | 1998-11-24 | Apparecchiatura di sicurezza,particolarmente per la protezione diluoghi |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1005003A2 EP1005003A2 (en) | 2000-05-31 |
EP1005003A3 EP1005003A3 (en) | 2001-04-11 |
EP1005003B1 true EP1005003B1 (en) | 2003-08-13 |
Family
ID=11381123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99203806A Expired - Lifetime EP1005003B1 (en) | 1998-11-24 | 1999-11-15 | Security equipment, particularly for the protection of locations |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1005003B1 (es) |
DE (1) | DE69910332T2 (es) |
ES (1) | ES2204062T3 (es) |
IL (1) | IL133044A (es) |
IT (1) | IT1303861B1 (es) |
SI (1) | SI1005003T1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602004029829D1 (de) * | 2004-11-12 | 2010-12-09 | Giorgio Tonelli | Verfahren und system zur erkennung von versuchen böswilliger aktionen gegen eine überwachte installation |
EP1865339B8 (en) * | 2006-06-09 | 2012-10-24 | Giorgio Tonelli | Seismic sensor for a security system and security system including such a sensor |
GB2498215B (en) * | 2012-01-09 | 2016-05-04 | Abu Al-Rubb Khalil | A pavement interlayer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047166A (en) * | 1976-01-26 | 1977-09-06 | Gte Sylvania Incorporated | Electrostatically charged cable transducer |
JP2732128B2 (ja) * | 1988-09-07 | 1998-03-25 | 日本特殊陶業株式会社 | 同軸ケーブル状圧電変換器とその製造方法 |
JPH09145850A (ja) * | 1995-11-22 | 1997-06-06 | Koushiyoku Kagaku Kk | 静電容量型物体検知センサおよびその物体検知センサを用いた自動扉開閉装置 |
-
1998
- 1998-11-24 IT IT1998MI002545A patent/IT1303861B1/it active
-
1999
- 1999-11-15 DE DE69910332T patent/DE69910332T2/de not_active Expired - Lifetime
- 1999-11-15 ES ES99203806T patent/ES2204062T3/es not_active Expired - Lifetime
- 1999-11-15 EP EP99203806A patent/EP1005003B1/en not_active Expired - Lifetime
- 1999-11-15 SI SI9930432T patent/SI1005003T1/xx unknown
- 1999-11-18 IL IL13304499A patent/IL133044A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1005003A2 (en) | 2000-05-31 |
SI1005003T1 (en) | 2004-02-29 |
DE69910332T2 (de) | 2004-07-01 |
EP1005003A3 (en) | 2001-04-11 |
IL133044A (en) | 2003-07-31 |
IT1303861B1 (it) | 2001-03-01 |
ITMI982545A1 (it) | 2000-05-24 |
ES2204062T3 (es) | 2004-04-16 |
DE69910332D1 (de) | 2003-09-18 |
IL133044A0 (en) | 2001-03-19 |
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