EP1005003A2 - Security equipment, particularly for the protection of locations - Google Patents
Security equipment, particularly for the protection of locations Download PDFInfo
- Publication number
- EP1005003A2 EP1005003A2 EP99203806A EP99203806A EP1005003A2 EP 1005003 A2 EP1005003 A2 EP 1005003A2 EP 99203806 A EP99203806 A EP 99203806A EP 99203806 A EP99203806 A EP 99203806A EP 1005003 A2 EP1005003 A2 EP 1005003A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- security equipment
- panel
- flat body
- pavement
- embedded
- 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.)
- Granted
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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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Road Signs Or Road Markings (AREA)
- Burglar Alarm Systems (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
Description
- The present invention relates to security equipment, particularly for the protection of paved locations, capable of warning of approaches, intrusions and the like, of the type that comprises at least one transducer with a flat body intended to be embedded in the pavement.
- As is known, there has long been a need felt for the protection of the perimeters of paved locations, with immediate warning by the emitting of suitable alarms of the intrusion of an extraneous person or even only of his or her approach.
- Known equipment, although satisfactory in many respects and widely used, usually has poor sensitivity. In a word, they are deaf to the approach or intrusion of unauthorized persons.
- It has been suggested that the sensitivity be increased by increasing the number of transducers and embedding them in the pavement as close as possible to its surface. However, this increases the complexity of the equipment and also exposes the transducers to breakage.
- 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.
- This problem is solved with security equipment of the type specified which is characterized in that it includes a flexible region of predetermined area in a closed ring around the flat body and intended to be embedded with the flat body in the pavement.
- Other features and the advantages of the security equipment according to the present invention will be made apparent in the course of the description given below of a preferred embodiment thereof, provided by way of non-restrictive indication, with reference to the enclosed drawings, in which:
- Fig. 1 is a diagrammatic plan view of the security equipment according to the invention,
- Fig. 2 is a diagrammatic plan view on a larger scale of the security equipment shown in Fig. 1,
- Fig. 3 is a side view in partial section of a detail of the security equipment shown in Figs. 1 and 2,
- Fig. 4 is a side view on a larger scale of the detail shown in Fig. 3,
- Fig. 5 is a cross section on a larger scale of the detail shown in Fig. 4,
- Fig. 6 is a perspective view of a detail of the security equipment shown in Figs. 1 and 2, and
- Figs. 7, 8 and 9 are perspective views of the detail shown in Fig. 6, in accordance with respective alternative embodiments.
- With reference to the enclosed figures, 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. - In the example the
location 2 is an area of footway provided with apavement 4 and extending in front of a window ordoor 5 of abuilding 6. - The
pavement 4 is of the type comprising a first layer 7 of cast concrete resting on soil 8, asecond layer 9 of cast mortar, and finally a covering 10 ofpaving 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 azigzag 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, basicallycylindrical 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 abase 15, acylindrical housing 16 and, parallel to thebase 15, apartition 17. Adepression 18 bounded by anannular edge 19 is formed in thepartition 17. - On top of the
body 14 is adisc 20 with adownward projection 20a on its underside. Thedisc 20 and theprojection 20a constitute areceptor 21. - Two
bushings 22 in diametrically opposite positions are present in thecylindrical housing 16. - A thin flat piezoelectric sensor known per se, with the
general reference 23, is mounted inside thebody 14. - More specifically the thin flat
piezoelectric sensor 23 takes the form of a metal, e.g. brass, plate 24, and asilvered 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 theannular edge 19, so defining anupper chamber 27, filled with a resin, and a lower chamber, represented by thedepression 18, which is hollow. - Conducting
wires sensor 23, specifically from the plate 24 and from aplate 25, respectively, to respective conductors 31 and 32 which pass through thebody 14 and out through thebushings 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, in accordance with the present invention, comprises, for each
transducer 12, aflexible 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 thepavement 4. - More specifically, the
flat body 14 and theflexible region 33 are laid on the layer 7 and are embedded in thepavement 4 when thelayer 9 is cast. - The
flexible region 33 comprises a generallyannular panel 34 containing acircular 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 thecylindrical housing 16 of theflat body 14. In practice the force required is such that thepanel 34 remains tightly closed about thecylindrical housing 16 and such that it is therefore impossible for the mortar of thelayer 9 to infiltrate between thepanel 34 and thecylindrical housing 16 of theflat body 14 during casting. - In accordance with a preferred embodiment, the
panel 34 of eachtransducer 12 extends as far as the panels of the adjacent transducers in the plurality P and forms with these a singleintegral carpet 36. - The
panels 34, and thecarpet 36, are made from an elastic material, preferably an elastomeric material, particularly natural or synthetic rubber. - The
panels 34 and thecarpet 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 thecarpet 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.
- In accordance with an alternative embodiment 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. - In accordance with another alternative embodiment the
flexible region 33 takes the form of apanel - For example, the
flexible region 33 takes the form of apanel 38 that has a square perimeter with sides of length B, or apanel 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. - When in operation, if an intruder approaches he will exert a pressure on the surface of the
pavement 4 which is transmitted through the covering 10 to thesecond layer 9. From thesecond layer 9 the pressure is transmitted to thetransducers 12 and to theflexible region 33. - Precisely because of the presence of the
flexible regions 33, which are almost incapable of reacting to the pressure, most of the pressure is concentrated on thetransducers 12 and in particular on theirrespective receptors 21, which transmit the pressure to thepiezoelectric sensor 23, which consequently emits a signal. - 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.
- Finally it should be noted that the security equipment according to the present invention can be installed quickly and easily.
- Clearly, in order to satisfy particular and specific requirements, a person skilled in the art will be able to make numerous modifications and alterations to the security equipment described above, all however contained within the scope of protection of the invention as defined by the following claims.
Claims (9)
- Security equipment (1), particularly for the protection of paved (4) locations (2), capable of warning of approaches, intrusions and the like, of the type that comprises at least one transducer (12) with a flat body (14) intended to be embedded in the pavement (4), characterized in that it includes a flexible region (33) of predetermined area in a closed ring around the flat body (14) and intended to be embedded with the flat body (14) in the pavement (4).
- Security equipment (1) according to Claim 1, characterized in that the flexible region (33) comprises a basically annular panel (34, 37, 38, 39) made of a flexible material fitted without play around the flat body (14), with which it is coplanar.
- Security equipment (1) according to Claim 2, characterized in that the panel (34, 37, 38, 39) is made of a material that includes a polymer.
- Security equipment (1) according to Claim 3, characterized in that the panel (34, 37, 38, 39) is made of a material that also includes bitumen.
- Security equipment (1) according to Claim 4, characterized in that the panel (34, 37, 38, 39) is made of a membrane known as bitumen polymer membrane MBP.
- Security equipment (1) according to Claim 2, characterized in that the panel (34, 37, 38, 39) has a thickness (S) of between 3 and 5 mm, and preferably a thickness (S) of 4 mm.
- Security equipment (1) according to Claim 2, characterized in that there is a plurality of transducers (12) and in that the respective panels (34, 37, 38, 39) form a single carpet (36) in one piece intended to be embedded in the pavement.
- Security equipment (1) according to Claim 2, characterized in that the panel (37) is in the shape of a ring with a circular perimeter of predetermined diameter (A) of between 50 cm and 1 m and preferably having a diameter (A) equal to 75 cm.
- Security equipment (1) according to Claim 2, characterized in that the panel (38, 39) is in the shape of a ring with a polygonal perimeter, and preferably with a square perimeter with sides of predetermined length (B) or hexagonal perimeter with sides of predetermined length (C).
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 (en) | 1998-11-24 | 1998-11-24 | SAFETY EQUIPMENT, PARTICULARLY FOR THE PROTECTION OF PLACES |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1005003A2 true EP1005003A2 (en) | 2000-05-31 |
EP1005003A3 EP1005003A3 (en) | 2001-04-11 |
EP1005003B1 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 (en) |
DE (1) | DE69910332T2 (en) |
ES (1) | ES2204062T3 (en) |
IL (1) | IL133044A (en) |
IT (1) | IT1303861B1 (en) |
SI (1) | SI1005003T1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1865339A1 (en) * | 2006-06-09 | 2007-12-12 | Giorgio Tonelli | Seismic sensor for a security system and security system including such a sensor |
US7573384B2 (en) * | 2004-11-12 | 2009-08-11 | Giorgio Tonelli | Method and system for detecting attempts at malicious action against an installation under surveillance |
GB2498215A (en) * | 2012-01-09 | 2013-07-10 | Khalil Abu Al-Rubb | Piezoelectric Energy Harvesting Layer for Pavement |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047166A (en) * | 1976-01-26 | 1977-09-06 | Gte Sylvania Incorporated | Electrostatically charged cable transducer |
EP0358390A2 (en) * | 1988-09-07 | 1990-03-14 | Ngk Spark Plug Co., Ltd. | Piezoelectric transducer |
JPH09145850A (en) * | 1995-11-22 | 1997-06-06 | Koushiyoku Kagaku Kk | Capacitance type object detecting sensor and automatic door opening/closing device using this object detecting sensor |
-
1998
- 1998-11-24 IT IT1998MI002545A patent/IT1303861B1/en active
-
1999
- 1999-11-15 ES ES99203806T patent/ES2204062T3/en not_active Expired - Lifetime
- 1999-11-15 EP EP99203806A patent/EP1005003B1/en not_active Expired - Lifetime
- 1999-11-15 DE DE69910332T patent/DE69910332T2/en not_active Expired - Lifetime
- 1999-11-15 SI SI9930432T patent/SI1005003T1/en unknown
- 1999-11-18 IL IL13304499A patent/IL133044A/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047166A (en) * | 1976-01-26 | 1977-09-06 | Gte Sylvania Incorporated | Electrostatically charged cable transducer |
EP0358390A2 (en) * | 1988-09-07 | 1990-03-14 | Ngk Spark Plug Co., Ltd. | Piezoelectric transducer |
JPH09145850A (en) * | 1995-11-22 | 1997-06-06 | Koushiyoku Kagaku Kk | Capacitance type object detecting sensor and automatic door opening/closing device using this object detecting sensor |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10, 31 October 1997 (1997-10-31) & JP 09 145850 A (KOUSHIYOKU KAGAKU KK), 6 June 1997 (1997-06-06) * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7573384B2 (en) * | 2004-11-12 | 2009-08-11 | Giorgio Tonelli | Method and system for detecting attempts at malicious action against an installation under surveillance |
EP1865339A1 (en) * | 2006-06-09 | 2007-12-12 | Giorgio Tonelli | Seismic sensor for a security system and security system including such a sensor |
US7616114B2 (en) | 2006-06-09 | 2009-11-10 | Giorgio Tonelli | Seismic sensor for a security system and security system including such a sensor |
AU2007202662B2 (en) * | 2006-06-09 | 2010-09-09 | Aldo Tonelli | Seismic sensor for a security system and security system including such a sensor |
GB2498215A (en) * | 2012-01-09 | 2013-07-10 | Khalil Abu Al-Rubb | Piezoelectric Energy Harvesting Layer for Pavement |
US9306476B2 (en) | 2012-01-09 | 2016-04-05 | Khalil Abu Al-Rubb | Pavement interlayer |
GB2498215B (en) * | 2012-01-09 | 2016-05-04 | Abu Al-Rubb Khalil | A pavement interlayer |
US10230313B2 (en) | 2012-01-09 | 2019-03-12 | Khalil Abu Al-Rubb | Roll of interlayer |
Also Published As
Publication number | Publication date |
---|---|
DE69910332T2 (en) | 2004-07-01 |
IL133044A0 (en) | 2001-03-19 |
DE69910332D1 (en) | 2003-09-18 |
IT1303861B1 (en) | 2001-03-01 |
IL133044A (en) | 2003-07-31 |
EP1005003B1 (en) | 2003-08-13 |
ES2204062T3 (en) | 2004-04-16 |
EP1005003A3 (en) | 2001-04-11 |
ITMI982545A1 (en) | 2000-05-24 |
SI1005003T1 (en) | 2004-02-29 |
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