GB2363023A - Two-part housing for a surveillance camera. - Google Patents
Two-part housing for a surveillance camera. Download PDFInfo
- Publication number
- GB2363023A GB2363023A GB0108431A GB0108431A GB2363023A GB 2363023 A GB2363023 A GB 2363023A GB 0108431 A GB0108431 A GB 0108431A GB 0108431 A GB0108431 A GB 0108431A GB 2363023 A GB2363023 A GB 2363023A
- Authority
- GB
- United Kingdom
- Prior art keywords
- camera
- housing
- housing portion
- surveillance camera
- surveillance
- 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.)
- Withdrawn
Links
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
- G08B13/19665—Details related to the storage of video surveillance data
- G08B13/19676—Temporary storage, e.g. cyclic memory, buffer storage on pre-alarm
-
- 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
- G08B13/19617—Surveillance camera constructional details
- G08B13/19619—Details of casing
-
- 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
- G08B13/19617—Surveillance camera constructional details
- G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Studio Devices (AREA)
Abstract
A housing for surveillance cameras, comprising first and second housing portions 21, 22. The first housing portion 21 includes camera addressing means 215 and the second portion is for housing a camera (30 Figure 2). The first and second housing portions 21, 22 are releasably couplable by mechanical coupling means 211, 225, the mechanical coupling means being readily operable in a single action. In addition to the mechanical coupling means, electrical coupling means 213, 227 are provided for electrically coupling the camera addressing means 215 of the first housing portion 21 to the camera 30 of the second housing portion 22. In preferred embodiments of the present invention, the mechanical 211, 225 and electrical 213, 227 coupling means are operable in a single action, the mechanical coupling being a screw or bayonet fitting. Also disclosed is a method for replacing the camera comprising saving camera settings to a store, replacing the camera unit and then recovering the previous settings from the store.
Description
1 Housing for a Surveillance Camera 2363023 The present invention relates
in general to a housing for a surveillance camera, and to a surveillance camera unit including such a housing. The invention also relates to a method for use in replacing a camera in such a housing.
It is known to mount a surveillance camera within a protective housing to shield the camera from exposure to natural elements and to inhibit unwanted physical interference. A dome housing is often employed having a substantially spherical or hemi-spherical shape. In use, the housing is fixedly secured to a permanent support structure such as the wall or ceiling of a building, or a support pole.
The surveillance camera and the housing together form a camera unit. It is common for a surveillance system to include many such camera units, in which case each camera unit is assigned a unique address. Often, the address is assigned by manually setting control switches on the camera unit. However, a problem arises in that the address must be re-assigned each time the camera unit is replaced, such as during routine maintenance or repair. In one particular example situation such as a large retail store, many camera units are positioned around the store, and are interspersed with dummy units having a housing but no camera in order to reduce the overall cost and complexity of the system. Here, it is desired to interchange the camera units and dummy units regularly so that targets of the surveillance system such as professional store thieves do not become accustomed to 2 areas of the store which are monitored and those which are not. Hence, the identity of the camera unit must be reset frequently involving significant operator time and expense.
An aim of the present invention is to provide a housing for a surveillance camera which addresses the problems of the prior art discussed above or otherwise. A preferred aim of the present invention is to provide a housing for a surveillance camera that is readily replaceable whilst retaining camera address information. Another aim of the present invention is to provide a surveillance camera unit comprising such a housing and a camera. Another aim of the present invention is to provide a method for use in replacing a camera in such a housing or surveillance camera unit.
According to a first aspect of the present invention there is provided a housing for a surveillance camera, comprising a first housing portion including camera addressing means; and a second housing portion for housing a camera, the second housing portion being readily releasably coupleable to the first housing portion.
Preferably, the first housing portion is fixedly securable to a permanent support structure such as a ceiling or a support pole.
Preferably, the camera addressing means comprises a physical switch such as rotary encoded switches, and preferably the addressing means is located within the first housing portion.
3 Preferably, the second housing portion is releasably coupleable to the first housing portion by a mechanical fixing such as a screw fixing or a bayonet fixing.
Preferably, the housing comprises means for mechanically coupling the first housing portion to the second housing portion and means for electrically coupling the camera to the addressing means, wherein the electrical coupling means and the mechanical coupling means are operable in a single action. Preferably, the second housing portion is rotated relative to the first housing portion in order to engage or disengage both the electrical coupling means and the mechanical coupling means in one action.
is In one embodiment, the second housing portion is arranged for carrying a camera. In another embodiment, the second housing portion is a dummy housing.
According to a second aspect of the present invention there is provided a surveillance camera unit comprising a camera, and a housing as defined in any statement herein.
According to another aspect of the present invention there is provided a method for replacing a camera within a surveillance camera unit, comprising the steps of: copying camera program settings from the camera unit to a remote temporary store; decoupling a two-part housing and removing one part containing the camera; replacing and recoupling the two-part housing; and recovering the program settings from the remote temporary store to the camera.
4 Preferably, the method is used with the housing or the surveillance camera unit according to any statement herein. Suitably, the remote temporary storage is provided on a control station, preferably coupled to the surveillance camera unit by an appropriate transmission link.
For a better understanding of the invention, and to show how embodiments of the same may be carried into effect, reference will now be made, by way of example, to the accompanying diagrammatic drawings in which:
Figure 1 is a surveillance system; housing; schematic view of an example Figure 2 is a side elevational view of a preferred camera unit; Figure 3 is a side elevational view of a preferred Figure 4 is a sectional side view through the housing of Figure 3; Figure 5 is a plan view of one part of the housing shown in Figures 3 and 4.
one preferred embodiment of the present invention will be described using the example of a surveillance system installed in and around a large building such as a retail store. However, it will be appreciated that these details are given for illustration only and the present invention is not restricted to this environment. Other example environments include shopping arcades, department stores, airports, prisons, warehouses and museums.
Referring to Figure 1 a simplified topological layout of a surveillance system 1 is shown, including a plurality of camera units 2 (in this case two camera units), a local control station 3 and a central control station 4. The camera units 2 are individually coupled to the local control station 3 by a suitable transmission link such as a wireless link, although for cost and simplicity a hardwired link is often employed. The local control station 3 is coupled to a central control station 4 where outputs from the camera units 2 are displayed, monitored and recorded as desired. Conveniently, the local control station 3 is provided in the vicinity of the camera units 2, whilst the central control station 4 is located remotely such as at an on-site security office, or at a central monitoring office. A more complex network topography may be employed as will be readily apparent to the skilled person.
In the example situation of a retail store, the camera units 2 are mounted to a permanent support structure such as a wall or a ceiling. Commonly, each camera unit 2 is mounted in a ceiling panel of a suspended ceiling. Alternatively, the camera units 2 are suspended from a support arrangement such as a support pole. In order to give a good field of view and to inhibit unauthorised access, the camera units are typically located well above floor level. However, access for maintenance, repair or other tasks then becomes more difficult and it is therefore desired to aid the operator in performing these tasks.
6 Referring to Figure 2, one example embodiment of the camera unit 2 will now be described. The camera unit comprises a housing 20 of any suitable shape and dimension, and a camera 30 arranged generally internally of the housing 20. The housing 20 physically protects the camera 30 and may also serve to obscure movements of the camera 30 from the casual observer.
In the preferred embodiment of Figure 2, the housing comprises two main portions, namely a first housing portion 21 arranged to be fixedly secured to a permanent support structure, and a second housing portion 22 for carrying the camera 30 and arranged to be readily is releaseably coupled to the first housing portion 21. Hence, the second housing portion 22 may be readily decoupled from the first housing portion 21 in order to perform tasks such as routine maintenance or repair. Further, the second housing portion 22 may be completely replaced quickly and easily, for example in order to upgrade the camera 30. In some systems it is desirable to intersperse active camera units with dummy units comprising only a housing 20 in order to reduce the overall cost and complexity of the system and, in order that surveillance targets do not become overly accustomed to a particular configuration, it is desired to regularly interchange the camera units and dummy units.
The first housing portion 21 suitably comprises means for mechanically coupling to the second housing portion 22, and preferably also comprises means for electrically coupling external connections such as a transmission link to the camera 30 and control electronics 31 mounted within 7 the second housing portion 22. Hence, the first housing portion 21 is of relatively simple construction to be fixedly secured to a permanent support structure and need only be replaced or repaired relatively infrequently. Most components of the camera unit 2 are carried in the readily removable second housing portion 22.
The control electronics 31 control, for example, the focus and exposure settings of the camera 30. Further, a pan and/or tilt arrangement 32 may be provided to move the camera 30 within the housing 22 in response to signals from the control electronics 31. Signals from the camera 30, including an image signal and, if desired, an audio signal and others such as a movement sensing signal, are provided through the control electronics 31 for communication back to the control stations 3 and 4 shown in Figure 1. other signals provided from the camera unit 2 may include security and alarm signals such as an antitamper signal. Control signals from the control stations 3, 4 are provided to the camera unit 2 which may include, for example, image control and camera direction signals, and may include a link to a power source. Typically, the control electronics 31 include a microprocessor to handle communications between a camera unit 2 and the control stations 3, 4 and to handle local control arrangements within the camera unit 2.
It is desired to uniquely identify each camera unit 2 of the surveillance system. In the prior art this has been accomplished by setting physical switches located within the control electronics 31 within the second housing portion 22. The location of these switches is deliberately relatively inaccessible in order to protect 8 the control electronics from natural elements such as rainwater, and to prevent inadvertent operation. However, each time a replacement housing portion 22 is fitted the operator must take considerable time to set the address switches. By contrast, in the present invention the address switches are located within the first housing portion 21. The address switches are manually operable physical switches such as DIP switches or rotary encoded switches. Again, the address switches are desirably relatively inaccessible within the first housing portion 21 during normal use, but the switches need only be set once, upon first installation of the camera unit 2. That is, the address switches determine the address of the camera location corresponding to the first housing portion 21 which is installed relatively permanently. Therefore, changing the camera 30 and the second housing portion 22 does not affect the address switches in the first housing portion 21 and the replacement operation is much more convenient.
Referring to Figures 3, 4 and 5, a preferred embodiment of the housing will now be described in more detail. As shown in Figure 3, the housing 20 includes first and second housing portions 21, 22 as discussed above. The second housing portion 22 includes an upper portion 221 that is desirably opaque in order to conceal the control electronics and most of the pan and tilt arrangement, if fitted. The lower portion 223 corresponds to the desired field of view of the camera and is transparent or preferably semi-transparent such as by using a semi- reflective one-way coating.
9 Referring to Figure 4, the first housing portion 21 is coupled to the second housing portion 22 by any suitable means. In this case, a bayonet coupling 211 on the first housing portion 21 engages with receiving slots 225 on the second housing portion 22. Relative rotation about a generally vertical axis effects coupling or uncoupling of the housing portions 21,22.
The first housing portion 21 carries means for coupling signal lines from the camera unit externally to, for example, the local control station 3. In this embodiment the coupling means includes a printed circuit board 213. An address switch 215 comprising one or more switch package elements such as DIP switches is conveniently mounted on the circuit board 213. In order to complete electrical connection to the circuit electronics 31 and the camera 30 within the second housing portion 22, conveniently one edge of the circuit board 213 is arranged to mate with an edge connector 227 provided on the second housing portion 22. Suitably, the edge connector has of the order of twelve contacts. Ideally, the electrical connector 217,227 is arranged to engage simultaneous with engagement of the mechanical coupling of the bayonet fixing 211, 225 in a single action. Suitably, that action is accomplished by twisting the second housing 22 relative to the first housing 21. Therefore, removal and replacement of the second housing portion 22 may be accomplished easily by the operator, by supporting and rotating the second housing portion 22.
A preferred method for replacing a surveillance camera will now be described. Referring again to Figures 1 and 2, the control electronics 31 of the camera unit 2 may be programmed with preferred settings including, for example, a patrol pattern for moving the camera 30, or preset positions activated in response to certain circumstances such as an alarm condition. Typically, these program settings are stored locally within the camera unit 2 in order to reduce network traffic. However, a problem arises in that the camera unit 2 must be re-programmed each time it is moved to a new location, or if a replacement camera is fitted to an existing first housing portion 21. In the preferred method, the camera unit 2 is installed including fixedly securing the first housing portion 21 and coupling the second housing portion 22 thereto. Program settings for the camera unit are written and stored, such as by controlling the camera unit 2 from one of the control stations 3 or 4. Advantageously, when it is desired to replace the second housing portion 22, the stored program settings are moved to a temporary storage remote from the camera unit 2. Conveniently, the remote storage is provided within the local control station 3 or the central control station 4. Typically, the control station includes a general purpose data processing computer having temporary memory storage for receiving the camera program settings. The second housing portion 22 is then replaced in the manner described above. The program settings are recovered from the temporary storage 3 or 4 and stored in the camera unit 2 such as by being written to a memory within the control electronics 31. Hence, the program settings are maintained even though the camera has been replaced.
A housing for surveillance camera, a surveillance camera unit, and a method for replacing a camera unit have all been described with many advantages over the prior 11 art. The housing allows unique addressing information to be retained even when the main part of the housing and the camera unit are removed and replaced. In one preferred embodiment the housing is readily coupled and decoupled in a single action. Further, program settings can be recovered quickly and easily.
The reader's attention is directed to all papers and documents which are filed concurrently with or previous to this specification in connection with this application and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference.
All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and/or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations where at least some of such features and/or steps are mutually exclusive.
Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
The invention is not restricted to the details of the foregoing embodiment(s). The invention extend to any novel one, or any novel combination, of the features disclosed in this specification (including any accompanying claims,
12 abstract and drawings), or to any novel one, or any novel combination, of the steps of any method or process so disclosed.
13
Claims (1)
- Claims1. A housing for a surveillance camera, comprising a first housing portion including camera addressing means; and a second housing portion for housing a camera, the second housing portion being readily releasably coupleable to the first housing portion.2. A housing for a surveillance camera according to claim 1, wherein the housing comprises means for mechanically coupling the first housing portion to the second housing portion and means for electrically coupling the camera to the addressing means, wherein the electrical coupling means and the mechanical coupling means are operable in a is single action.3. A housing for a surveillance camera according to claim 2, wherein the second housing portion is rotated relative to the first housing portion in order to engage or disengage both the electrical coupling means and the mechanical coupling means in one action.A housing for a surveillance camera according to claim 1, 2 or 3, wherein the second housing portion is releasably coupleable to the first housing portion by a mechanical fixing such as a screw fixing or a bayonet fixing.5. A housing for a surveillance camera according to any preceding claim, wherein the first housing portion is fixedly securable to a permanent support structure such as a ceiling or a support pole.14 6. A housing for a surveillance camera according to claim 1, wherein the camera addressing means comprises a physical switch located within the first housing portion.7. A housing for a surveillance camera according to claim 1, wherein the second housing portion is arranged for carrying a camera or a dummy camera.8. A surveillance camera unit comprising a camera, and a 10 housing as defined in any preceding claim.9. A method for replacing a camera within a surveillance camera unit, comprising the steps of: copying camera program settings from the camera unit to a remote temporary store; decoupling a two-part housing and removing one part containing the camera; replacing and recoupling the twopart housing; and recovering the program settings from the remote temporary store to the camera.10. The method for replacing a camera within a surveillance camera unit according to claim 9, wherein the method is used with the housing of claims 1 to 7 or the surveillance camera unit according to claim 8.11. The method for replacing a camera within a surveillance camera unit according to claim 9, wherein the remote temporary storage is provided on a control station, the control station being coupled to the surveillance 30 camera unit by a transmission link.f t is 12. A housing for a surveillance camera, substantially as herein before described with reference to Figures 3 to 5 of the accompanying drawings.13. A surveillance camera unit, substantially as herein described with reference to Figures 2 to 5 of the accompanying drawings.14. A method for replacing herein described.a camera, substantially as
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0009003A GB0009003D0 (en) | 2000-04-13 | 2000-04-13 | Housing for a surveillance camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0108431D0 GB0108431D0 (en) | 2001-05-23 |
| GB2363023A true GB2363023A (en) | 2001-12-05 |
Family
ID=9889761
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0009003A Ceased GB0009003D0 (en) | 2000-04-13 | 2000-04-13 | Housing for a surveillance camera |
| GB0108431A Withdrawn GB2363023A (en) | 2000-04-13 | 2001-04-04 | Two-part housing for a surveillance camera. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0009003A Ceased GB0009003D0 (en) | 2000-04-13 | 2000-04-13 | Housing for a surveillance camera |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB0009003D0 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006012524A2 (en) * | 2004-07-23 | 2006-02-02 | Vicon Industries Inc. | Surveillance camera system |
| GB2421869A (en) * | 2005-01-03 | 2006-07-05 | Bosch Gmbh Robert | Rotationally locking mounting of surveillance camera head assembly |
| WO2007059218A1 (en) * | 2005-11-18 | 2007-05-24 | General Electric Company | Methods and systems for operating a pan tilt zoom camera |
| WO2008073280A3 (en) * | 2006-12-07 | 2008-09-12 | Sensormatic Electronics Corp | Method and apparatus for video surveillance system field alignment |
| US8908032B2 (en) | 2006-10-10 | 2014-12-09 | Axis Ab | Surveillance camera |
| DE102013214463A1 (en) * | 2013-07-24 | 2015-01-29 | Sick Ag | sensor arrangement |
| US9853862B2 (en) | 2014-05-26 | 2017-12-26 | Axis Ab | Automatic configuration of a replacement camera |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4547809A (en) * | 1984-04-27 | 1985-10-15 | Rca Corporation | Thermally isolated imager |
| EP0701364A2 (en) * | 1994-08-17 | 1996-03-13 | Gebrüder Merten GmbH & Co. KG | Video camera |
| US5610656A (en) * | 1994-02-22 | 1997-03-11 | Videor Technical E. Hartig Gmbh | Protective housing for optical equipment |
| EP0991040A2 (en) * | 1998-09-04 | 2000-04-05 | Irmel Societa' A Responsabilita' Limitata | A scanning and cleaning device for an explosion-proof casing for monitoring apparatus, in particular for a surveillance television camera operating in an explosive environment |
-
2000
- 2000-04-13 GB GB0009003A patent/GB0009003D0/en not_active Ceased
-
2001
- 2001-04-04 GB GB0108431A patent/GB2363023A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4547809A (en) * | 1984-04-27 | 1985-10-15 | Rca Corporation | Thermally isolated imager |
| US5610656A (en) * | 1994-02-22 | 1997-03-11 | Videor Technical E. Hartig Gmbh | Protective housing for optical equipment |
| EP0701364A2 (en) * | 1994-08-17 | 1996-03-13 | Gebrüder Merten GmbH & Co. KG | Video camera |
| EP0991040A2 (en) * | 1998-09-04 | 2000-04-05 | Irmel Societa' A Responsabilita' Limitata | A scanning and cleaning device for an explosion-proof casing for monitoring apparatus, in particular for a surveillance television camera operating in an explosive environment |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006012524A3 (en) * | 2004-07-23 | 2006-04-27 | Vicon Ind Inc | Surveillance camera system |
| WO2006012524A2 (en) * | 2004-07-23 | 2006-02-02 | Vicon Industries Inc. | Surveillance camera system |
| GB2421869A (en) * | 2005-01-03 | 2006-07-05 | Bosch Gmbh Robert | Rotationally locking mounting of surveillance camera head assembly |
| GB2421869B (en) * | 2005-01-03 | 2007-02-28 | Bosch Gmbh Robert | Connect/Disconnect Mechanism for a Surveillance Camera Head |
| US7217045B2 (en) | 2005-01-03 | 2007-05-15 | Robert Bosch Gmbh | Connect/disconnect mechanism for a surveillance camera head |
| WO2007059218A1 (en) * | 2005-11-18 | 2007-05-24 | General Electric Company | Methods and systems for operating a pan tilt zoom camera |
| CN101313342B (en) * | 2005-11-18 | 2012-06-20 | Utc消防和保安美国有限公司 | Methods and systems for operating a pan tilt zoom camera |
| US8908032B2 (en) | 2006-10-10 | 2014-12-09 | Axis Ab | Surveillance camera |
| WO2008073280A3 (en) * | 2006-12-07 | 2008-09-12 | Sensormatic Electronics Corp | Method and apparatus for video surveillance system field alignment |
| US8786701B2 (en) | 2006-12-07 | 2014-07-22 | Sensormatic Electronics, LLC | Method and apparatus for video surveillance system field alignment |
| CN101636769B (en) * | 2006-12-07 | 2012-07-04 | 传感电子公司 | Method and system for video surveillance system motor overcurrent protection |
| DE102013214463A1 (en) * | 2013-07-24 | 2015-01-29 | Sick Ag | sensor arrangement |
| US9853862B2 (en) | 2014-05-26 | 2017-12-26 | Axis Ab | Automatic configuration of a replacement camera |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0108431D0 (en) | 2001-05-23 |
| GB0009003D0 (en) | 2000-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |