EP1052605A2 - Device for panoramic viewing, especially of extensive public areas - Google Patents
Device for panoramic viewing, especially of extensive public areas Download PDFInfo
- Publication number
- EP1052605A2 EP1052605A2 EP00201640A EP00201640A EP1052605A2 EP 1052605 A2 EP1052605 A2 EP 1052605A2 EP 00201640 A EP00201640 A EP 00201640A EP 00201640 A EP00201640 A EP 00201640A EP 1052605 A2 EP1052605 A2 EP 1052605A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fixtures
- images
- acquiring
- chamber
- viewing
- 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
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19697—Arrangements wherein non-video detectors generate an alarm themselves
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
- G08B13/19636—Electrical details of the system, e.g. component blocks for carrying out specific functions pertaining to the camera
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19639—Details of the system layout
- G08B13/19641—Multiple cameras having overlapping views on a single scene
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Alarm Systems (AREA)
- Closed-Circuit Television Systems (AREA)
- Studio Devices (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
- This invention refers to a device for panoramic viewing, especially of extensive public areas.
- A device for panoramic viewing of this type is highly useful for parks, gardens and extensive and/or isolated areas in general, where the security of any users is to be safeguarded.
- It is known that that the traditional devices for panoramic viewing comprise a box-type structure on a pole at man height, which houses a telecamera capable of being rotated by a motor in a 360° range.
- A user in distress or danger is sighted by the telecamera on the pole, which transmits the images to a control center where some operators are capable of organizing and/or coordinating a rescue.
- The traditional poles are notoriously exposed to the attack of vandals and ill-intentioned persons, as they are stationary, easily accessed and reachable. Moreover, such poles are equipped with a single telecamera mounted at a moderate height, which heavily restricts the visual angle to be controlled, and therefore limits the surveillance available from the pole.
- The purpose of this invention is to eliminate the mentioned technical drawbacks, by producing a device for panoramic viewing, especially of extensive public areas, capable of inspecting and/or monitoring extensive areas.
- A further purpose of the invention is to produce a device capable of operating from positions not easily accessible and reachable, so that any attempts at damaging them are impeded by their poor accessibility.
- A further scope of the invention is to produce a device of a robust type, capable of withstanding the mishandling and/or the blows of ill-intentioned persons.
- Not the last purpose of the invention is to produce a device for panoramic viewing, especially of extensive public areas, of an essentially simple, safe and reliable kind.
- These and other purposes, according to this invention, are achieved by producing a device for panoramic viewing, especially of extensive public areas, according to claim 1.
- Additional characteristics of this invention are further defined in the subordinate claims.
- In an advantageous manner, the device according to this invention exercises a deterrent action on ill-intentioned persons, because it can be operated at any moment from the control center. The operators of the control center are therefore able to use the telecameras to view the events occurring in the vicinity of the device, to organize and/or to coordinate help and rescue actions and to eventually alert the public security forces.
- Moreover, the entire device is fitted with some anti-vibration and proximity sensors, which will in case of attack automatically alert the operating center and public security forces.
- It should also be added that the device is installed without providing any fixed electrical and/or telephonic connection, and that its maintenance, in particular for replacing the batteries, may be effected by a simple operation requiring only a few minutes, based on the signal received from the device itself.
- Further characteristics and advantages of a device for panoramic viewing, especially of extensive public areas according to this invention, will become more clearly evident from the following description, offered for exemplifying and non-limiting purposes, referred to the simplified enclosed drawings, in which:
- Figure 1 shows a prospective view of the device according to the invention,
- Figure 2 shows a sectionalized prospective view of the device shown in Figure 1,
- Figure 3 shows a plan view of a detail of the device according to the invention,
- Figure 4 shows a detail of the circuits controlling the operation of the device, housed inside the bottom space shown in Figure 3,
- Figure 5 shows a simplified view of the field of view of the device according to the invention, properly mounted at a height of about 3 meters.
-
- The reference to the mentioned figures shows a device for panoramic viewing, in particular of extensive public areas, designated in its overall form by the
number 11. - The
device 11 comprises a box-type body of a circular bottom outline, made of a cup-type bottom 12 closed by acircular plate 13. The free edge of thebottom 12 is fastened to acylindrical element 14 made of a transparent material, and closed by alid 15 firmly attached to ahollow hood 16. - The body produced in this manner forms three different chambers: a
first chamber 17 inside thebottom 12, asecond chamber 18 inside thecylindrical element 14 and athird chamber 19 inside thehood 16. - The
first chamber 17 houses sixlateral telecameras 20, serving as image-acquiring fixtures and mounted along the cup-type bottom 12 of the body at an even distance from each other. The objective of eachtelecamera 20 faces a throughhole 21 provided in the lateral wall of the cup-type bottom 12, so as to make it possible to capture a view of the environment outside thedevice 11. - These
lateral telecameras 20 are placed in a way to enable a 360° view of the environment surrounding thedevice 11. In fact, because eachtelecamera 20 has a visual angle of 72° on a horizontal plane, the 360° coverage is ensured with a slight overlap (12°) of the horizontal field between the two adjacent telecameras 20 (62° x 6 = 432° > 360°). - Moreover, the
telecameras 20 are mounted with their axes turned downward (when the device is properly positioned with itsbottom 12 turned downward, and itslid 16 turned upward by about 20°, so as to also make it possible to visualize the environment set below and in the vicinity of thedevice 11. - The
chamber 17 also houses abottom telecamera 22 as a further image acquiring fixture, which faces downward (at a properly positioned device 11) and keeps its objective facing an additional throughhole 23, also downward turned. Thetelecamera 22 and of course thehole 23 have axes offset with respect to one of the symmetry axes of the body'sbottom 12. - The
telecamera 22 allows viewing an area set below thedevice 11 and commands a visual range which is slightly overlapping with respect to that of thelateral cameras 20, so as to ensure a total possibility of viewing of the environment surrounding thedevice 11, without leaving any areas in the dark. - The
chamber 17 also contains the electronic circuits controlling the operation of thedevice 11. In particular, these circuits comprise a control circuit based on avideo multiplexer 24, which controls the operation of the seventelecameras electronic circuit feeder 25, thelamp 26, and thecoupling circuit 27 to theantenna 28. - The
chamber 17 further contains ananti-vibration sensor 29 and aproximity sensor 30. Thesensors feeder 25 and thecircuit 27, so as to alert the operating center whenever thedevice 11 is attacked by vandals or ill-intentioned persons. - The
second chamber 18 contains alamp 26 as a signaling device, which is electrically connected to thefeeder 25. Thelamp 26 is mounted on a lamp holder housed in a seat crossing theplate 13; the lamp holder is electrically connected to thefeeder 25 by some electric cables, not shown here for simplicity. Thislamp 26 is preferably of a gas discharge type and used as a blinking light, to allow thealarm signaling device 11 to be easily and quickly identified. - The
third chamber 19 contains theantenna 28 of a GSM radio type, which is electrically connected to thecoupling circuit 27. Theantenna 28 is fixed in a hole crossing thelid 15 and electrically connected to thecoupling circuit 27 by a cable, not shown here for simplicity. - The
device 11 is particularly suitable for being operated on a support at a high elevation above the ground, for example on a pole at a height of about 3 meters. - The operation of a device for panoramic viewing, in particular of extensive public areas according to the invention, is as follows.
- While running, the
device 11 transmits the images taken by itstelecameras - In particular, the
device 11 allows taking photos of the targeted scenes in a 360° range. - These photos are taken in sequence, so as to memorize in a time lapse of about 1 second 7 images framed by the 6
lateral cameras 20 and the downward turnedcamera 22. This makes it possible to scan the entire panorama in a 360° range at practically the same instant (1 second). The images therefore acquire a well defined and fixed temporal relationship among them, so as to maintain a congruence between them, even if transmitted to the operating center in a delayed time mode, which allows a better analysis of the pictured events. - The
device 11 is particularly suited for a remote surveillance from an operating center. In this case the images taken by the seventelecameras device 11 are sequentially transmitted each of them every 5/10 seconds, thus providing a completely refreshed panorama about every 40/70 seconds. - The visual range of the
telecameras device 11 covers a broad area around thesame device 11, when the latter is properly mounted, preferably on a pole at a height of about 3 meters. Thelateral cameras 20 in fact enjoy a visual range of at least 54° on a vertical plane, and manage to see as far as the visual range of the downward turnedtelecamera 22 permits. The axis of eachlateral telecamera 20 is tilted 20° downward, and encounters the ground, on a horizontal plane, at a ground distance from thedevice 11 of about 41 meters, which means that thetelecameras 20 are pointed toward objects or persons set at a ground distance of about 41 meters from thedevice 11, when the latter is mounted at a height of 3 meters. This makes it therefore possible to see objects set at a ground height of 10 meters and at a distance of about 57 meters from thedevice 11. Thetelecamera 22 has a visual range of about 93°, so as to cover the lower area of the device at a slight overlap with the visual range of the lateral cameras. - The
device 11 according to the invention allows viewing every object or person in the half space extending from 360° around thedevice 11 and downward, with an upward limitation of 7° beyond the horizon of the device. - It has in practice been found that a device for the panoramic viewing of extensive public areas according to the invention is particularly advantageous, as it allows a remote surveillance of vast public areas without requiring cables, which would be its weak point and increase the cost, for either its electrical feeding system or its communications with the operating center. The device may moreover be spotted quickly and easily by persons in distress, and is any rate hard to damage by vandals and/or ill-intentioned persons.
- A device for panoramic viewing, in particular of extensive public areas conceived in this manner is of course subject to numerous modifications and variants, all of which fall within the scope of the invention; moreover, all the details may be replaced by other elements of a technically equivalent nature.
- In practice, the materials utilized as well as their dimensions may be of any kind, depending on the technical requirements.
Claims (13)
- A device (11) for panoramic viewing of extensive public areas, characterized in that it comprises a box-type body (12-16) whose interior houses a multiple number of fixtures for acquiring images (20, 22), which are facing towards through holes (21, 23) provided along a perimeter of said body (12-16) to see outside said body (12-16), where said fixtures (20, 22) are associated with a control circuit (24), a feeder (25) and a coupling circuit (27) to an antenna (28), so that the images taken by each of these fixtures (20, 22) can be transmitted to a control center.
- A device (11) according to claim 1, characterized in that said body (12-16) presents a circular ground plan.
- A device (11) according to claim 1, characterized in that it present a signaling unit (26) capable of identifying said device (11) in a quick and simple manner.
- A device (11) according to claim 1, characterized in that it comprises at least one antivibration sensor (29) capable of alerting said control center whenever a dangerous situation is noticed for said device (11).
- A device (11) according to claim 1, characterized in that it comprises at least one proximity sensor (30) capable of alerting said control center whenever a dangerous situation is noticed for said device (11).
- A device (11) according to claim 1, characterized in that a plurality of lateral units (20) of said fixtures for acquiring images (20, 22) are housed along a perimeter of said body (12-16) at essentially even distances from each other.
- A device (11) according to claim 6, characterized in that said lateral fixtures (20) are mounted having an axis turned downward by about 20°, whenever said device is properly positioned with one bottom (12) turned downward and one hood (16) turned upward, so as to also enable viewing the environment below and in the vicinity of said device (11).
- A device (11) according to claim 1, characterized in that at least one bottom unit (22) of said fixtures for acquiring images (20, 22) faces one bottom (12) of said body (12-16) destined to be turned downward when said device (11) is mounted in a correct position.
- A device (11) according to claim 8, characterized in that said at least one bottom unit (22) is offset with respect to an axis of symmetry of said bottom (12) of said body (12-16).
- A device (11) according to claim 3, characterized in that said body (12-16) forms at least three chambers (17-19), where a first chamber (17) contains at least said fixtures for acquiring the images (20, 22) by said control circuits (24), where said feeder (25), said coupling circuit (27) and at least said signaling unit (26) are housed in a second chamber (18), and where at least said antenna (28) is housed in a third chamber (19).
- A device (11) according to claim 3, characterized in that said signaling unit (28) comprises at least one lamp.
- A device (11) according to claim 1, characterized in that said fixtures for acquiring the images (20, 22) are constituted by telecameras.
- A device (11) according to claim 1, characterized in that it is suitable for being operated on a support at a high level above the ground.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999MI001033 IT1312486B1 (en) | 1999-05-12 | 1999-05-12 | PANORAMIC VISION DEVICE, IN PARTICULAR FOR LARGE AREAS OF PUBLIC |
ITMI991033 | 1999-05-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1052605A2 true EP1052605A2 (en) | 2000-11-15 |
EP1052605A3 EP1052605A3 (en) | 2001-04-18 |
EP1052605B1 EP1052605B1 (en) | 2003-08-27 |
Family
ID=11382943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000201640 Expired - Lifetime EP1052605B1 (en) | 1999-05-12 | 2000-05-08 | Device for panoramic viewing, especially of extensive public areas |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1052605B1 (en) |
DE (1) | DE60004724T2 (en) |
IT (1) | IT1312486B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1258849A2 (en) * | 2001-05-18 | 2002-11-20 | Beghelli S.p.A. | Anti-intrusion detecting device |
EP1671293A4 (en) * | 2003-10-09 | 2009-04-22 | Moreton Bay Corp Pty Ltd | System and method for image monitoring |
ITMI20131168A1 (en) * | 2013-07-11 | 2015-01-12 | Ivitel Telematica & Sicurezza | TELEVISION MULTIMEDIA STATION AND TERRITORY SECURITY |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5448320A (en) * | 1992-08-21 | 1995-09-05 | Ngk Insulators, Ltd. | Automatic surveillance camera equipment and alarm system |
DE19621612A1 (en) * | 1996-05-31 | 1997-12-11 | C Vis Computer Vision Und Auto | Method of optical free space monitoring, esp. for monitoring track areas in railway stations for objects not normally present |
WO1999016233A2 (en) * | 1997-09-24 | 1999-04-01 | Wen Sheree H | Intelligent video monitor system |
-
1999
- 1999-05-12 IT IT1999MI001033 patent/IT1312486B1/en active
-
2000
- 2000-05-08 DE DE2000604724 patent/DE60004724T2/en not_active Expired - Fee Related
- 2000-05-08 EP EP20000201640 patent/EP1052605B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5448320A (en) * | 1992-08-21 | 1995-09-05 | Ngk Insulators, Ltd. | Automatic surveillance camera equipment and alarm system |
DE19621612A1 (en) * | 1996-05-31 | 1997-12-11 | C Vis Computer Vision Und Auto | Method of optical free space monitoring, esp. for monitoring track areas in railway stations for objects not normally present |
WO1999016233A2 (en) * | 1997-09-24 | 1999-04-01 | Wen Sheree H | Intelligent video monitor system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1258849A2 (en) * | 2001-05-18 | 2002-11-20 | Beghelli S.p.A. | Anti-intrusion detecting device |
EP1258849A3 (en) * | 2001-05-18 | 2004-01-14 | Beghelli S.p.A. | Anti-intrusion detecting device |
EP1671293A4 (en) * | 2003-10-09 | 2009-04-22 | Moreton Bay Corp Pty Ltd | System and method for image monitoring |
ITMI20131168A1 (en) * | 2013-07-11 | 2015-01-12 | Ivitel Telematica & Sicurezza | TELEVISION MULTIMEDIA STATION AND TERRITORY SECURITY |
WO2015004691A1 (en) * | 2013-07-11 | 2015-01-15 | Ivitel Telematica & Sicurezza | Multimedia station for the remote control and security of the territory |
Also Published As
Publication number | Publication date |
---|---|
IT1312486B1 (en) | 2002-04-17 |
EP1052605B1 (en) | 2003-08-27 |
ITMI991033A1 (en) | 2000-11-12 |
EP1052605A3 (en) | 2001-04-18 |
DE60004724T2 (en) | 2004-06-17 |
DE60004724D1 (en) | 2003-10-02 |
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