WO2007147179A1

WO2007147179A1 - A security device

Info

Publication number: WO2007147179A1
Application number: PCT/ZA2007/000038
Authority: WO
Inventors: Gideon Botha
Original assignee: Gideon Botha
Priority date: 2006-06-14
Filing date: 2007-07-02
Publication date: 2007-12-21

Abstract

A security device 210 is provided. The security device 210 includes a body 212. The security device 210 further includes light generation means 214 on the body 212. Detection means 216.1, 216.2, 216.3, for detecting the presence of a living body within a range of the detection means 216.1, 216.2, 216.3, is provided on the body 212. The security device 210 further includes direction means on the body 212. The direction means is arranged to direct light generated by the light generation means 214 in a direction generally toward a living body in response to the detection means 216.1, 216.2, 216.3, detecting the presence of a living body within the range of the detection means.

Description

Title:

A security device.

Field of the invention: This invention relates to a security device. In particular, the invention relates to a security light.

Background of the invention:

Providing lights positioned outside of a building for security purposes is a well known exercise. It is an object of the invention to provide a security device which becomes switched on and directs a beam of light in a specific direction in response to the presence of a living body being detected by the security device in that direction.

Summary of the invention: According to the invention, there is provided a security device including a body, light generation means on the body, detection means on the body for detecting the presence of a living body within a range of the detection means and direction means on the body and arranged to direct light generated by the light generation means in a direction generally toward a living body in response to the detection means detecting the presence of a living body within the range of the detection means.

The light generation means may include an electrically operable lamp.

The light generation means may include an electrically operable halogen lamp.

The direction means may include an electrically operable motor operatively connected between the light generation means and the body so as to enable the light generation means to displace angularly relative to the body.

The detection means may include at least one sensor for detecting the presence of a living body within a range of the sensor. The detection means may include a plurality of sensors arranged to detect the presence of a living body within adjacent sectors defined within a range of the sensors.

The sensors may be in the form of Passive Infra Red detectors.

The electrically operable motor may be operatively associated with the sensors and the light generation means so as to cause the light generation means to displace angularly relative to the body, in use, thereby to direct light toward a sector associated with a one of the sensors which detected the presence of a living body.

The security device may further include control means for controlling the motor so as to cause the motor to drive the light generation means to displace angularly thereby to direct light toward a sector associated with a one of the sensors which detected the presence of a living body.

The control means may include a programmable electronic device.

The programmable electronic device may be in the form of a computer chip.

The programmable electronic device may be in the form of a programmable microprocessor.

The programmable electronic device may be in the form of a Microcontroller Integrated Circuit (MIC).

The sensors may be operatively connected to the programmable electronic device.

The security device may further include adjustment means for adjusting a sensitivity of the sensors. The electrically operable motor may be operatively connected to the programmable electronic device.

The security device may further include adjustment means for adjusting an operational speed of the electrically operable motor.

The light generation means may be operatively connected to the programmable electronic device.

The security device may further include adjustment means for adjusting a time of activation of the light generation means in response to the light generation means having been switched on in response to one of the sensors detecting the presence of a living body within the range of the sensor.

The sensors, the electrically operable motor and the light generation means may be operatively connected to the programmable electronic device. The security device may further include adjustment means for adjusting a sensitivity of the sensors, for adjusting an operational speed of the electrically operable motor and for adjusting a time of activation of the light generation means in response to the light generation means having been switched on in response to one of the sensors detecting the presence of a living body within the range of the sensor.

The adjustment means may include a single button operatively connected to the programmable electronic device.

The security device may further include a transmitter for transmitting a signal in response to the detection means detecting the presence of a living body within a range of the detection means.

The transmitter may be in the form of a Radio Frequency (RF) transmitter. The Radio Frequency transmitter may be coded.

The security device may further include a receiver positionable remote from the body and arranged to generate a signal detectable by a person in response to receiving a signal from the transmitter.

The receiver may be portable.

The receiver may be arranged to generate a signal in the form of a sound in response to receiving a signal from the transmitter.

The receiver may be arranged to generate a signal in the form of a light becoming switched on in response to receiving a signal from the transmitter.

The security device may further include an image capture device for capturing an image in response to the detection means on the body detecting the presence of a living body within the range of the detection means.

The image capture device may be in the form of a digital image capturing device.

The image capture device may be mounted relative to the light generation means so as to enable the image capture device to displace angularly in sympathy with the light generation means.

The security device may which further include a transmitter for transmitting an image captured by the image capture device.

The security device may further include a monitor associated with the transmitter and arranged to display an image captured by the image capture device. The monitor may be positionable at a remote location remote from the body so as to display an image captured by the image capture device at the remote location.

The security device may further include a receiver associated with the transmitter and arranged to receive an image captured by the image capture device.

The receiver may be operatively connectable to a monitor at a remote location so as to display an image captured by the image capture device at a remote location on the monitor.

The receiver may be operatively connectable to a monitor defined by a television.

The receiver may be operatively connectable to a computer monitor.

The receiver may be operatively connectable to a composite video monitor.

Brief Description of the drawings:

Embodiments of the invention will now be described, by way of example, with reference to the accompanying diagrammatic drawings, in which:

Figure 1 shows a schematic three-dimensional view of a security device in accordance with one embodiment of the invention;

Figure 2 shows a schematic three-dimensional view of a security device in accordance with another embodiment of the invention;

Figure 3 shows a schematic plan view of a security device in accordance with the invention, in use; Figure 4 shows a schematic drawing indicating various parts of a security device in accordance with the invention; and

Figure 5 shows a schematic three-dimensional view of a preferred embodiment of a security device in accordance with the invention.

Detailed Description of preferred embodiments:

Referring to Figure 1 of the drawings, a security device in accordance with an embodiment of the invention, is generally indicated by reference numeral 10.

The security device 10 includes a body 12. The security device 10 further includes light generation means, generally indicated by reference numeral 14, on the body 12. Typically, the light generation means 14 includes an electrically operable lamp, such as an electrically operable halogen lamp, or the like, for example, contained within a light housing. Instead, the light generation means 14 can include one, or more, Light Emitting Diodes (LED).

The security device 10 further includes detection means, generally indicated by reference numeral 16, on the body 12. The detection means 16 is arranged to detect the presence of a living body within a range of the detection means 16. Conveniently, the range can be between about 10 to 15 meters, or the like, for example.

The security device 10 includes direction means, generally indicated by the dashed arrow 18, on the body 12. The direction means 18 is arranged to direct light generated by the light generation means 14 in a direction generally toward a living body in response to the detection means 16 detecting the presence of a living body within the range of the detection means 16, as will be described in greater detail below. The direction means 18 is typically contained within the body 12.

The detection means 16 includes at least one sensor arranged to detect the presence of a living body within a range of detection. In one embodiment, the at least one sensor can be in the form of a motion detector. Typically, the detection means 16 includes a plurality of sensors, or motion detectors. The sensors can be in the form of Passive Infra Red (PIR) detectors. In Figure 1 of the drawings, four motion detectors 16.1, 16.2, 16.3, 16.4 are shown. Conveniently, the motion detectors 16.1, 16.2, 16.3, 16.4 are mounted behind a common lens 20, such as a Fresnel lens, or the like, for example.

As can best be seen with reference to Figure 3 of the drawings, in which like reference numerals have been used to designate similar parts, or features, unless otherwise stated, the range of the detection means 16 can extend from the detection means 16 to a position defined generally along an arc BB remote from the detection means 16. Each motion detector 16.1, 16.2, 16.3, 16.4 is arranged to detect motion within one of adjacent sectors 40, 42, 44, 46 defined within the range of the detection means 16. As shown, the sectors 40, 42, 44, 46 can be about 45° sectors thereby defining a total detection angle of about 180°. However, it will be appreciated that the security device of the invention can have any appropriate number of motion detectors, which can service sectors of any practicable number of degrees. For example, in another embodiment of the invention, the security device can include six motion detectors to service an angle of about 270°, or eight motion detectors to sevice an area of about 360°, or the like.

As can best be seen with reference to Figure 4 of the drawings, in which like reference numerals have been used to designate similar parts, or features, unless otherwise stated, the direction means 16 can include an electrically operable motor 22, such as a stepper motor, or a DC motor, or the like, for example. The electrically operable motor 22 is operatively connected between the light generation means 14 and the body 12 so as to enable the light generation means 14 to displace angularly relative to the body 12, as indicated by arrows AA. The electrically operable motor 22 is typically secured on the body 12 and defines a motor shaft 22.1 protruding from the body 12. The light generation means 14 is typically mounted on the motor shaft 22.1 so as to displace angularly relative to the body 12 in sympathy with angular displacement of the motor shaft 22.1.

The electrically operable motor 22 is operatively associated with the motion detectors 16.1, 16.2, 16.3, 16.4 and the light generation means 14 so as to cause the light generation means 14 to displace angularly thereby to direct light toward a sector associated with a one of the motion detectors 16.1, 16.2, 16.3, 16.4 which detected motion, in use.

The security device 10 further include control means, generally indicated by reference numeral 24 for controlling the motor 22 so as to cause the motor 22 to displace angularly thereby to direct light toward the sector associated with the one of the motion detectors 16.1, 16.2, 16.3, 16.4, which detected motion, in use. The control means 24 can include a programmable electronic device 26. The programmable electronic device 26 can be in the form of a computer chip. The programmable electronic device 26 can be in the form of a programmable microprocessor or microcontroller integrated circuit (MIC). Advantageously, after a predefined number of movement detections, the MIC can be arranged to reset the system by performing an auto-calibration routine.

Electrical power to the device 10 is typically supplied from a mains electrical source through lines F. The device can include a step down transformer on the body 12 for reducing supply voltage from 220 Volts Alternating Current to 12, or 5 Volts Direct Current, or the like, for example.

The motion detectors 16.1, 16.2, 16.3, 16.4 are operatively connected to the programmable electronic device 26 as indicated by lines A, B, C, D. The electrically operable motor 22 is also operatively connected to the programmable electronic device 26 as indicated by lines E.

The security device 10 further includes a transmitter 28. The transmitter 28 can be a wireless transmitter and can be arranged to transmit a signal 30 in response to the detection means 16 detecting the presence of a living body within a range of the detection means 16. The transmitter 28 can be in the form of a Radio Frequency (RF) transmitter. Conveniently, the transmitter 28 is mounted on the light generation means 14. The transmitter 28 can be operatively connected to the programmable electronic device 26 through lines G.

The security device 10 can further include a receiver 32 positionable remote from the body 12. The receiver 32 is arranged to generate a humanly detectable signal in response to receiving a signal 30 from the transmitter 28. The receiver 32 can be arranged to generate a humanly detectable signal in the form of a sound in response to receiving a signal from the transmitter 28. Instead, or in addition, the receiver 32 can be arranged to generate a humanly detectable signal in the form of a light becoming switched on in response to receiving a signal from the transmitter 28. Advantageously, the receiver 32 is portable and can be battery operated. A recharging cradle arrangement can be provided for re-charging the battery of the receiver 32.

The security device 10 further includes an image capture device 34 for capturing an image in response to the detection means 16 on the body 12 detecting the presence of a living body within the range of the detection means 16. The image capture device 34 can be in the form of a digital image capture device, such as a digital camera, or the like, for example. Conveniently, the image capture device 34 is mounted relative to the light generation means 14 so as to be displaceable angularly in the direction of arrows AA in sympathy with angular displacement of the light generation means 14.

The security device 10 further includes a transmitter for transmitting an image captured by the image capture device 34. The transmitter can be the transmitter 28. Instead, a separate transmitter can be provided. The security device 10 can further include a receiver operatively connectable to a monitor so as to display an image captured by the image capture device at a remote location on the monitor. Accordingly, a transmitted image can be arranged to be receivable by a monitor 36 remote from the body 12. The monitor 36 can be defined by a television. Instead, the monitor 36 can be in the form of a computer monitor. Instead, a dedicated monitor can be provided.

In one embodiment, the security device 10 can include a receiver for receiving a signal from the transmitter associated with the image capture device 34, which receiver is operatively connectable to a monitor of a television set, or a computer, or the like, for example, at a location remote from the security device 10.

In use, the security device 10 is typically mounted at an elevated position above a ground surface. The security device 10 can be used at a residence, in which case, the device 10 can be mounted against a wall of, for example, a house, or the like.

The device 10 is typically in a dormant condition in which the light generation means 14 is switched off. Should one of the motion detectors 16.1, 16.2, 16.3, 16.4 detect motion within a corresponding sector 40, 42, 44, 46, information is forwarded to the programmable electronic device 26 through one of the lines A, B, C and D from the one of the motion detectors 16.1, 16.2, 16.3, 16.4. The programmable electronic device 26 then causes the light generation means 14 to be switched on and the motor 22 to drive the light generation means 14 to rotate angularly in the direction of arrows AA so as to direct light from the light generation means 14 in a direction toward where motion, or a living body, was detected. The image capture device 34 is then also directed in a direction toward where motion, or a living body, was detected. Images captured by the image capture device 34 are transmitted to the monitor 36 so as to be displayed thereon. At generally the same time, a signal is transmitted from the transmitter 28 so as to be received by the receiver 32. The receiver 32 responds by generating a sound, or the like, so as to alert a user that motion has been detected. The user can then look at the displayed image on the monitor 36 to see what, or who, gave rise to the detected motion. The device 10 may be arranged to cause the light generation means 14 to become switched off automatically after a predetermined length of time, such as, after 6 seconds, 15 seconds, 1 minute, or the like, for example. Furthermore, the transmitter can be arranged to transmit a signal 30 for the same amount of time.

Thereafter, should movement, or a living body, be detected by another sensor, or motion detector, the same operation is performed so as to angularly displace the light generation means 14 to cause light to be directed in the direction of where movement was detected.

The device 10 can be provided with a selectively operable sweeping function. In such a case, the light generating device 10 can be caused to be switched on and the motor can be caused to drive the light generating device to sweep to and fro. The device 10 can be provided with a selectively operable override switch so as to enable the light generating device 10 to be switched on and to remain on until the switch is operated to switch the light generating device 10 off. Another switch can be provided to cause the light generating device to be switched off, for example, during the day time, or the like. The image capture device 34 can be arranged to capture images continually whether the motion detectors detect motion or not. In such a case, when the sweep function is activated, a swept image can be obtained. Such an image can be recorded on a computer, or any other recording device, if desired.

Referring now to Figure 2 of the drawings, in which like reference numerals have been used to designate similar parts, or features, unless otherwise stated, another embodiment of a security device, in accordance with the invention, is generally indicated by reference numeral 110. The device 110 is similar to the device 10 save for the detection means 116 of the device 110. The detection means 116 of the device 110 defines three motion detectors, or Passive Infra Red (PER.) sensing devices 116.1, 116.2, 116.3 positioned on a front face 112.1 and opposed side faces 112.2, 112.3 respectively of its body 112. The motion detectors are arranged to cover an area of about 180°, comprising three sectors of about 60° each. Referring to Figure 5 of the drawings, in which like reference numerals have been used to designate similar parts, or features, unless otherwise stated, another embodiment of a security device, in accordance with the invention, is generally indicated by reference numeral 210. The device 210 is similar to the device 10 save for the detection means 216 of the device 210. The detection means 216 of the device 210 defines three sensors, or motion detectors 216.1, 216.2, 216.3 positioned to extend partially around a circumferentially extending face 212.1 of the body 212 of the device 210. Conveniently, the sensors 216.1, 216.2, 216.3 are in the form of Passive Infra Red (PIR) sensing devices. The motion detectors 216.1, 216.2, 216.3 are arranged to cover an area of about

180°, comprising three sectors of about 60° each.

The security device 210 defines a head 218 mounted for angular displacement relative to the body 212, as indicated by arrows AA. Light generation means, generally indicated by reference numeral 214, is mounted on the head 218 for angular displacement relative to the body 212 in sympathy with angular displacement of the head 218 relative to the body 212. The light generation means 214 is adjustably mounted on the head 218 to be angularly displaceable as indicated by arrows CC. The light generation means 214 includes a fluorescent lamp, or halogen lamp, or the like, 214.1.

The security device 210 further defines a bracket 220. The bracket 220 is arranged to enable the security device 210 to be mounted against a vertically extending surface, such as a vertically extending wall surface, or the like, for example.

The light generation means 214 can include a 150 W Halogen floodlight.

The security device 210 further defines adjustment means, generally indicated by reference numeral 223 in Figure 4 of the drawings, arranged to enable the security device to be programmed as desired. The adjustment means can include a button 222. The button 222 is operatively connected to the electronic device 26 by line 225. An example of the operation of the button 222 and programmable settings which can be input by means of the button 222 will now be described.

In use, typically, the security device 210 is pre-programmed with default settings. Such default settings can provide for the light generation means 214 to be positioned in a normally neutral position when in operation, such as pointing forward, for example, for the light generation means 214 to be switched on for a predetermined period of time, such as 60 seconds, for example, for a motor speed to be set to a medium setting, for example, for the PIR sensitivity to be set to a medium sensitivity, for example, for a manually switching on function of the light generation means to be normally switched off and for a sweeping function of the light generation means 214 to be normally switched off.

These default settings can be changed by pressing the button 222. This can be achieved by pressing in the button 222 until an indicator, such as an appropriately positioned light, or Light Emitting Diode (LED), or the like, for example, becomes switched on. The button 222 can then be released. The appropriately positioned light can then be arranged to remain on for a predetermined period of time, such as, 2 seconds, or the like, for example. Thereafter the appropriately positioned light switches off and then flashes to indicate which default setting can be changed.

One flash can indicate that the length of time the light generation means is to remain on, can be changed. This can then be achieved by pressing the button 222 by a number of times corresponding to a desired length of time the light generation means is to remain on after the detection means has detected a living body. For example, pressing the button 222 once can change the setting to 30 seconds, pressing the button 222 twice can change the setting to 60 seconds, pressing the button 222 three times can change the setting to 120 seconds, pressing the button 222 four times can change the setting to 180 seconds, pressing the button 222 five times can change the setting to 210 seconds, or the like, for example. Two flashes can indicate that the motor speed can be changed. This can then be achieved by pressing the button 222 by a number of times corresponding to a desired motor speed. For example, pressing the button 222 once can change the setting to a relatively low speed, pressing the button 222 twice can change the setting to a relatively medium speed, pressing the button 222 three times can change the setting to a relatively high speed, or the like, for example.

Three flashes can indicate that the PIR sensitivity can be changed. This can then be achieved by pressing the button 222 by a number of times corresponding to a desired PER. sensitivity. For example, pressing the button 222 once can change the setting to a relatively lowest sensitivity, pressing the button 222 twice can change the setting to a relatively low sensitivity, pressing the button 222 three times can change the setting to a relatively medium sensitivity, pressing the button 222 four times can change the setting to a relatively high sensitivity, pressing the button 222 five times can change the setting to a relatively highest sensitivity, or the like, for example.

Four flashes can indicate that the operation of the security device 210 can be changed between automatic, as determined by programming, and manual override. This can then be achieved by pressing the button 222 once to establish automatic functioning, or twice, to enable manual override thereby to cause the light generation means 214 to be switched on and to remain on.

Five flashes can indicate that the operation of the security device 210 can be changed to cause the light generation means 214 to displace angularly relative to the body 212 so as to perform a continual sweeping function. This can then be achieved by pressing the button 222 once for the light generating means 214 not to sweep and twice to cause the light generation means 214 to sweep.

It will be appreciated that the security device in accordance with the invention is not limited to the above embodiments. Another embodiment of the invention can have a separate light generating device associated with each motion detector. In such a case, only the light generating device associated with a motion detector detecting motion is switched on. Furthermore, a separate image capture device can be provided associated with each motion detector. In such a case, the need for an electrical motor can be obviated. Where the security device is intended for outdoor use, the device can be arranged to provide protection against the elements. Accordingly, the device can be water resistant, for example.

Claims

Claims:

1. A security device including: a body; light generation means on the body; detection means on the body for detecting the presence of a living body within a range of the detection means; and direction means on the body and arranged to direct light generated by the light generation means in a direction generally toward a living body in response to the detection means detecting the presence of a living body within the range of the detection means.

2. The security device as claimed in claim 1, in which the light generation means includes an electrically operable lamp.

3. The security device as claimed in claim 2, in which the light generation means includes an electrically operable halogen lamp.

4. The security device as claimed in any one of the preceding claims, in which the direction means includes an electrically operable motor operatively connected between the light generation means and the body so as to enable the light generation means to displace angularly relative to the body.

5. The security device as claimed in 4, in which the detection means includes at least one sensor for detecting the presence of a living body within a range of the sensor.

6. The security device as claimed in claim 5, in which the detection means includes a plurality of sensors arranged to detect the presence of a living body within adjacent sectors defined within a range of the sensors.

7. The security device as claimed in claim 6, in which the sensors are in the form of Passive Infra Red detectors.

8. The security device as claimed in claim 6 or claim 7, in which the electrically operable motor is operatively associated with the sensors and the light generation means so as to cause the light generation means to displace angularly relative to the body, in use, thereby to direct light toward a sector associated with a one of the sensors which detected the presence of a living body.

9. The security device as claimed in claim 8, which further includes control means for controlling the motor so as to cause the motor to drive the light generation means to displace angularly thereby to direct light toward a sector associated with a one of the sensors which detected the presence of a living body.

10. The security device as claimed in claim 9, in which the control means includes a programmable electronic device.

11. The security device as claimed in claim 10, in which the programmable electronic device is in the form of a computer chip.

12. The security device as claimed in claim 10, in which the programmable electronic device is in the form of a programmable microprocessor.

13. The security device as claimed in claim 10, in which the programmable electronic device is in the form of a Microcontroller Integrated Circuit (MIC).

14. The security device as claimed in any one of claims 6 to 13 inclusive, in which the sensors are operatively connected to the programmable electronic device.

15. The security device as claimed in claim 14, which further includes adjustment means for adjusting a sensitivity of the sensors.

16. The security device as claimed in any one of claims 6 to 15 inclusive, in which the electrically operable motor is operatively connected to the programmable electronic device.

17. The security device as claimed in claim 16, which further includes adjustment means for adjusting an operational speed of the electrically operable motor.

18. The security device as claimed in any one of claims 6 to 17 inclusive, in which the light generation means is operatively connected to the programmable electronic device.

19. The security device as claimed in claim 18, which further includes adjustment means for adjusting a time of activation of the light generation means in response to the light generation means having been switched on in response to one of the sensors detecting the presence of a living body within the range of the sensor.

20. The security device as claimed in any one of claims 6 to 13 inclusive, in which the sensors, the electrically operable motor and the light generation means are operatively connected to the programmable electronic device and the security device further includes adjustment means for adjusting a sensitivity of the sensors, for adjusting an operational speed of the electrically operable motor and for adjusting a time of activation of the light generation means in response to the light generation means having been switched on in response to one of the sensors detecting the presence of a living body within the range of the sensor.

21. The security device as claimed in claim 20, in which the adjustment means is in the form of a single button operatively connected to the programmable electronic device.

22. The security device as claimed in any one of the preceding claims, which further includes a transmitter for transmitting a signal in response to the detection means detecting the presence of a living body within a range of the detection means.

23. The security device as claimed in claim 22, in which the transmitter is in the form of a Radio Frequency (RF) transmitter.

24. The security device as claimed in claim 23, in which the Radio Frequency transmitter is coded.

25. The security device as claimed in any one of claims 22 to 24 inclusive, which further includes a receiver positionable remote from the body and arranged to generate a signal detectable by a person in response to receiving a signal from the transmitter.

26. The security device as claimed in claim 25, in which the receiver is portable.

27. The security device as claimed in claim 25 or claim 26, in which the receiver is arranged to generate a signal in the form of a sound in response to receiving a signal from the transmitter.

28. The security device as claimed in any one of claims 25 to 27 inclusive, in which the receiver is arranged to generate a signal in the form of a light becoming switched on in response to receiving a signal from the transmitter.

29. The security device as claimed in any one of claims 4 to 28 inclusive, which further includes an image capture device for capturing an image in response to the detection means on the body detecting the presence of a living body within the range of the detection means.

30. The security device as claimed in claim 29, in which the image capture device is in the form of a digital image capturing device.

31. The security device as claimed in claim 29 or claim 30, in which the image capture device is mounted relative to the light generation means so as to enable the image capture device to displace angularly in sympathy with the light generation means.

32. The security device as claimed in any one of claims 29 to 31 inclusive, which further includes a transmitter for transmitting an image captured by the image capture device.

33. The security device as claimed in claim 32, which further includes a monitor associated with the transmitter and arranged to display an image captured by the image capture device.

34. The security device as claimed in claim 33, in which the monitor is positionable at a remote location remote from the body so as to display an image captured by the image capture device at the remote location.

35. The security device as claimed in claim 32, which further includes a receiver associated with the transmitter and arranged to receive an image captured by the image capture device.

36. The security device as claimed in claim 35, in which the receiver is operatively connectable to a monitor at a remote location so as to display an image captured by the image capture device at a remote location on the monitor.

37. The security device as claimed in claim 36, in which the receiver is operatively connectable to a monitor defined by a television.

38. The security device as claimed in claim 36 or claim 37, in which the receiver is operatively connectable to a computer monitor.

39. The security device as claimed in any one of claims 36 to 38 inclusive, in which the receiver is operatively connectable to a composite video monitor.

40. A security device substantially as described and illustrated with reference to the embodiment of Figure 5 of the drawings.

41. A security device substantially as illustrated in Figure 5 of the drawings.