CA2584212A1 - Keypad security device - Google Patents

Keypad security device Download PDF

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Publication number
CA2584212A1
CA2584212A1 CA002584212A CA2584212A CA2584212A1 CA 2584212 A1 CA2584212 A1 CA 2584212A1 CA 002584212 A CA002584212 A CA 002584212A CA 2584212 A CA2584212 A CA 2584212A CA 2584212 A1 CA2584212 A1 CA 2584212A1
Authority
CA
Canada
Prior art keywords
keypad
enclosure
security device
pane
aperture
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.)
Abandoned
Application number
CA002584212A
Other languages
French (fr)
Inventor
Neil Radford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SECURE ACCESS SOLUTIONS Ltd
Original Assignee
Secure Access Solutions Limited
Neil Radford
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Secure Access Solutions Limited, Neil Radford filed Critical Secure Access Solutions Limited
Publication of CA2584212A1 publication Critical patent/CA2584212A1/en
Abandoned legal-status Critical Current

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Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F19/00Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines

Abstract

A keypad security device (10) comprises an enclosure (14) having a viewing aperture (26) and an access aperture (30). The enclosure (14) at least partially surrounding a keypad such that the keypad is viewable through the viewing aperture (26) and accessible by a user through the access aperture (30), the viewing aperture including a security pane (36) arranged so as to permit the keypad to be viewed clearly from the point of view of a user of the keypad and to prevent the keypad from being viewed from the point of view of a person other than the user, wherein the security pane (36) includes a refractive lens.

Description

Keypad Security Device The present invention relates to data entry keypad security and in particular, though not exclusively, to the security of data entry keypads fitted to ATMs (Automated Teller Machines), retail Chip and PIN (Personal Identification Number) EPOS
(Electronic Point Of Sale) systems and PEDs (PIN Entry Devices).

In recent years there has been an increase in crime related to the fraudulent use of cash cards to withdraw money from ATMs. In order to perpetrate such a crime a criminal will usually need obtain details of a legitimate users cash card together with the PIN

needed to activate the card. Obtaining the PIN may be achieved in a number of ways when a legitimate user uses an ATM. A criminal may simply stand close to the user and observe the user keying in their PIN, a practice commonly referred to as shoulder surfing. More sophisticated methods of obtaining PINs involve the positioning of a camera in the vicinity of an ATM which is able to view the keypad. Similar security concerns exist at point of sale PIN entry devices which are increasingly common in the retail environment.

According to the present invention there is provided a keypad security device comprising an enclosure having a viewing aperture and an access aperture, the enclosure at least partially surrounding a keypad such that the keypad is viewable through the viewing aperture and accessible by a user through the access aperture, the viewing aperture including a security pane arranged so as to permit the keypad to be viewed clearly from the point of view of a user of the keypad and to prevent the keypad from being viewed from the point of view of a person other than the user, wherein the security pane includes a refractive lens The keypad enclosure shields the keypad and prevents the keystrokes made by the user from being observed. The security pane enables a user to observe the keypad both before and during use but prevents a person standing close to the user from observing the keystrokes made by the user through the security pane. The security pane also
2 keystrokes made by the user from being observed remotely, for example by a camera positioned outside of the enclosure in the vicinity of the keypad.

The security pane is positioned in the viewing aperture such that a viewing axis extends therethrough to the keypad. A person aligning themselves with the viewing axis so as to view the keypad along the axis is able to view the keypad in a clear manner. Should an attempt be made to view the keypad through the security pane along an axis other than the viewing axis, then the security pane either partially or wholly distorts and/or obscures the view of the keypad. The viewing axis may be substantially perpendicular to the security pane. The viewing axis may be substantially perpendicular to the security pane and the keypad. The security pane may be provided with a plurality of viewing axes along which the keypad may be viewed in a clear and undistorted or unobscured manner. Such a plurality of axes may define a viewing corridor through which the keypad may be viewed clearly.
In one embodiment the security pane may comprise a lens which in use alters the view of the keypad observed by a user when viewing the keypad through the pane. In a preferred embodiment the lens is a magnifying lens. The lens preferably has the ability to both magnify and distort what is viewed therethrough. The lens preferably has a refractive index of between 1.3 and 1.8. More preferably the lens has a refractive index of between 1.4 and 1.7. The lens may have a refractive index of between 1.45 and 1.65, or, alternatively, have a refractive index of between 1.47 and 1.61. In one embodiment the lens may be manufactured from acrylic and have a refractive index of between 1.47 and 1.51. Alternatively, the lens may manufactured from vinyl chloride and have a refractive index of between 1.52 and 1.56. In a further embodiment the lens may be manufactured from polyethylene and have a refractive index of between 1.49 and 1.53.
In yet a further embodiment the lens may be manufactured from polycarbonate and have a refractive index of between 1.57 and 1.61.

The lens may be a fresnel lens or the like. The term fresnel lens is intended to cover lenses which utilise a texture applied to the surface thereof to achieve desired image alteration characteristics. The texture may enhance and/or complement image alteration
3 [cs of a lens which result from the shape of the lens. The pane may be provided with a plurality of lenses each of which may be aligned with one or more of the keys of the keypad. The security pane may include an image which permits the keypad to be viewed therethrough along the viewing axis or corridor but which obscures the keypad when viewed along an axis not aligned with the viewing axis of falling within the viewing corridor. The image may be provided on or in the security pane. For example the image may be etched or otherwise applied to a surface of the security pane. Alternatively the image may be embedded within the security pane. In such an embodiment the image may be a holographic image.

The security pane may comprise a unitary member comprised of a plastics material such as polycarbonate or a vitreous material such as glass. The security pane may be of laminar construction. In such an embodiment the pane may comprises upper and lower planar members between which is located the lens. The planar members may have substantially the same shape as one another and the lens. The pane may be incorporated in the enclosure during the manufacture thereof, for example the pane may be incorporated into the enclosure during moulding of the enclosure from a plastics material. Alternatively, the security pane may be removable from the enclosure. The pane is thus able to be replaced if, for example, it becomes damaged or scratched.

, The enclosure may comprise a wall arranged so as to at least partially surround the keypad. The enclosure may alternatively comprise a plurality of walls arranged so as to at least partially surround the keypad. The access aperture may by defined by an aperture provided in the wall or one of the plurality of walls. Alternatively the access aperture may be defined by a gap or space provided between two walls. The or each wall may be provided with a window arranged so as to permit light to enter the enclosure while preventing the keypad to be viewed therethrough. The window preferably includes glazing pane which is translucent, frosted, opaque or otherwise treated so as to prevent the keypad to be viewed therethrough. The or each wall may be a wall of a base to which a keypad is attached or mounted. In such an instance the security pane may be contained within a member which is mountable to the or each wall.
4 PCT/GB2005/004060 The enclosure may be provided with an additional access aperture. In use, the additional access aperture may be aligned with a feature of a device to which the keypad is fitted. For example the additional access aperture may be aligned with a a banknote dispensing slot of an ATM. The presence of the additional access aperture permits a user to reach the banknote dispensing slot through the enclosure. It will thus be appreciated that the enclosure may provide a shielding function for the dispensing slot to prevent unauthorised access to banknotes dispensed therethrough.
Preferably the additional access aperture is provided on an opposite side of the enclosure to the keypad access aperture to allow a user to easily reach through the enclosure.

The viewing aperture is preferably provided in a portion of the enclosure overlying the wall or walls. Preferably the viewing aperture is aligned with a plane which is substantially parallel to the plane of the keypad.

Embodiments of the present invention will now be described with reference to the accompanying drawings in which:

Figure 1 shows an exploded perspective view of a security device according to a first embodiment of the present invention;
Figure 2 shows a perspective view of the device of figure 1 in an assembled state;
Figure 3 shows a n exploded perspective view of a security device according to a further embodiment of the present invention;
Figure 4 shows a perspective view of the device of figure 3 in an assembled state;
Figure 5 shows a schematic side view of a device according to the present invention fitted to an ATM;
Figures 6 to 8 show views of an ATM keypad through a device according to the present invention;
Figure 9 shows a perspective view of a security device enclosure according to the present invention;

Figures 10 and 11 show perspective views of an EPOS variant of a security device according to the present invention;
Figure 12 shows a perspective view of an ATM keypad security device -according to the present invention;
5 Figure 13 shows a side view of the alignment of the security pane of the device of figure 12 relative to the keypad; and Figures 14 and 15 show a perspective views of two further EPOS/PED
variants of the security device.

Referring firstly to figures 1 and 2 there is shown a keypad security device according to the present invention generally designated 10. The device 10 comprises a base plate 12, an enclosure 14, a top plate 16 and a viewing pane arrangement 18. The base plate 12 is formed from a thin sheet of material such as, for example, steel and is shaped to fit to a front panel of an ATM. The base plate 12 is provided with an aperture 20 which is sized and shaped so as to be larger than the data entry keypad (not shown) of an ATM.
It will be understood that the aperture 20 is positioned in the base plate such that the keypad is fully accessible therethrough when the base plate 12 is fitted to an ATM.

The enclosure 14 is formed from a single piece of thin sheet material, such as steel or aluminium alloy, and includes a pair of spaced side walls 22 joined by bridging portion 24. The bridging portion is provided with a viewing aperture 26, while the base of each wall 22 is provided with a laterally extending flange 28. The aperture 20 of the base plate 12 is sized so as to be able to receive the flanges 28 such that they fit flush with the base plate 12. It will be appreciated that the enclosure 14 may conveniently be formed by conventional stamping and pressing operations. The orientation of the side walls 22 and bridging portion 24 define an access aperture 30 into which a user may place their hand when the device 10 is fitted to an ATM. Optionally the enclosure may be provided with a further wall, hereinafter referred to as a rear wall, opposite to the access aperture and extending between the side walls 22 and the bridging portion 24.

The top plate 16 is of a similar construction to that of the base plate 12 in that it is formed from a thin sheet of material such as steel and is provided with an aperture 32
6 - iich the enclosure 14 projects, in use, The top plate aperture 32 is sized and shaped such that the top plate 16 overlies the flanges 28 the enclosure. The viewing plate arrangement 18 comprises a backing plate 34 and a security pane 36. The backing plate 34 and security pane 36 are fittable to the enclosure viewing aperture in a manner which prevents their removal therefrom. The backing plate 34 is sufficiently transparent so as to allow the ATM keypad to be viewed therethrough. The backing plate 24 may be formed from a plastics material such as, for example, polycarbonate.
Alternatively the backing plate may be manufactured from a toughened glass.
The security pane 36 is configured so as to permit the ATM keypad to be viewed therethrough from certain user viewing positions and to prevent the ATM keypad from being viewed from other user viewing positions. Operation of the security pane 36 will be described in greater detail below.

The assembled device 10 is shown in figure 2. In use, a user wishing to use an ATM
having the device 10 fitted approaches the ATM and inserts their card in the conventional manner. When prompted to enter their PIN the user inserts their hand into through the access aperture 30 and positions themselves so that they are able to view the ATM keypad through the viewing aperture 26. Persons other than the user are prevented from viewing the keypad by the presence of the enclosure side walls 22, optional back wall and the security pane 36.

Referring now to figures 3 and 4 there is shown an alternative embodiment of a keypad security device according to the present invention and generally designated 40. The device 40 comprises a pair of base plates 42,44, an enclosure 46, a glazing member 48 and support 50 including a security pane 52. The base plates 42,44 are fittable to the keypad area of an ATM and are each provided with an aperture 43,45 through which the keypad may accessed. The base plates 42,44 are formed from a thin sheet of material such as, for example, steel. The enclosure 46 is formed from a thin sheet of material such as, for example, steel and comprises a pair of side walls 54 and a rear wall 56. Each wall 54,56 is provided with an aperture 58. The glazing member 48 comprises a sheet of plastics material such as, for example, polycarbonate which is formed into a shape complimentary to that of the enclosure 46. The glazing member 48
7 ~ the enclosure 46 so as to overlie the apertures 58 of the enclosure walls 54,56. The glazing member 48 is opaque yet sufficiently transparent so as to allow light to pass therethrough and illuminate the interior of the enclosure 46 and the keypad, but is configured so as to prevent the keypad being viewed therethrough. The glazing member 48 may, for example, by frosted or be provided with a crazed, light scattering surface treatment.

The support 50 includes a frame portion 60 and a pair of legs 62. The frame portion 60 is sized and shaped to fit to the upper region of the enclosure 46 bounded by the walls 54,56. The legs 62 are arranged to fit to the side walls 54 so as to define an access aperture 64 through which a user may reach the ATM keypad. The security pane 52 is incorporated into the frame portion 60, while the support 50 and the glazing member 48 are fittable to the enclosure so as to be difficult to remove therefrom. The security pane 52 is configured so as to permit the ATM keypad to be viewed therethrough from certain user viewing positions and to prevent the ATM keypad from being viewed from other user viewing positions.

The assembled device 40 is shown in figure 4. In use, a user wishing to use an ATM
having the device 40 fitted approaches the ATM and inserts their card in the conventional manner. When prompted to enter their PIN the user inserts their hand into the access aperture 64 and positions themselves so that they are able to view the ATM
keypad through the security pane 52. Persons other than the user are prevented from viewing the keypad by the presence of the enclosure walls 54,56 and the security pane 52.

As described above the security pane 36,52 is arranged such that the keypad may be clearly viewed from certain viewing positions while being prevented from being viewed from other positions. In one embodiment the security pane 36,52 may include a lens which permits a magnified view of the keypad when a user looks through the pane 36,52 from a certain angle and yet provides a distorted view of the keypad when viewed from other angles. Figure 5 shows a schematic view of an ATM 70 having a keypad 72
8 e 10,40 according to the present invention. The device 10,40 is provided with a magnifying lens 74 such as, for example, a fresnel lens. Above the device 10,40 there is defined a viewing corridor 76 the cross-sectional dimensions of which correspond substantially to those of the lens 74. A person viewing the keypad through the lens along an axis 78 lying within the corridor and substantially perpendicular to the lens 74 and keypad 72 will be able to view a magnified image of the full keypad as illustrated in figure 6. Should a person attempt to view the along an axis 80 which is not perpendicular to the lens and keypad and which extends out of the viewing corridor is presented with a distorted image of the keypad 72.
Examples of the type of view which may be observed are shown in figures 7 and 8. In figure 7 the lower portion of the keypad 72 is obscured including the 0 key, while in figure 8 the upper portion the keypad including the 1,2 and 3 keys is obscured.

The security pane may take forms other than that of a lens. For example, the pane may have retained therein or thereupon an image through which the keypad may be viewed by a user, but which occludes the view of the keypad from viewing angles other than those utilised by a legitimate user of the keypad. For example, the security pane may include a holographic image which is hidden to a legitimate user of the device. In a further embodiment the security pane may include a plurality of windows aligned with keys of the keypad. Each window may include a lens, retained image or a combination of the two.

Referring now to figure 9 there is shown an alternative embodiment of a security device generally designated 82. Features common to previously described embodiments are identified with like reference numerals. The device 82 comprises an enclosure having a pair of spaced side walls 22 joined by a bridging portion 24. Within the bridging portion 24 there is provided a viewing aperture 26 into which a security pane (not shown) may be retained. The walls 22 and bridging portion 24 define an access aperture 30 into which a user may place their hand when the device 82 is fitted over a keypad. The enclosure is manufactured as a single piece item from a toughened plastics material by a moulding operation. Alternatively, the enclosure may be formed from metal such as, for example, Aluminium alloy. The security pane may be
9 i into the enclosure during moulding thereof. Alternatively the pane may be retrofitted to the enclosure after it has been moulded.

The device 82 is further provided with a plurality of spaced holes 84 along an edge of the bridging portion 24 opposite to the access aperture 30. The holes 84 let light into the space surrounded by the enclosure while not permitting the keypad to be directly viewed therethrough. It will be appreciated that the walls 22 and bridging portion 24 define another additional access aperture 85 on the opposite side of the enclosure. On certain configurations of ATM the slot through which bank notes are dispensed is positioned in front of and slightly above the keypad. In such a configuration a user is able to take the bank notes dispensed with the same hand as that used to input their PIN
to the keypad. The provision of the additional access aperture 85 enables a user to reach the banknotes while the device 82 as a whole shields the slot through which they are dispensed and thus prevents them from being snatched by a person other than the user of the ATM.

Figures 10 shows a security device generally designated 86 according to the present invention which is configured for use with a chip and pin keypad 88. Features common to the previously described embodiments are identified with like reference numerals.

The device comprises an enclosure 90 having a base 92, a pair of spaced side walls 22 and a bridging portion 24 extending therebetween. The bridging portion 24 includes a viewing aperture 26 within which may be retained a security pane (not shown).
In the embodiment shown the base 92, side walls 22 and bridging portion 24 are moulded in a single piece from a plastics material. Advantageously the security pane may be incorporated into the enclosure 90 during moulding thereof.

An access aperture 30 is provided in one side of the enclosure 90, while an additional access aperture 94 is provided in the opposing side thereof. The access aperture 30 permits a user to reach the keypad 88, while the additional aperture 94 permits the user or a counter assistant to insert a chip card into the keypad 88 if required to do so. The bridging portion 24 is provided with a plurality of holes 96 which permit ambient light to enter the enclosure 92 without permitting the keypad to be viewed in its entirety.

Figure 11 shows a security device 98 similar to that figure 10 and common features are identified with like reference numerals. The device 98 differs in that it is provided with a larger viewing aperture 26 and does not include the lighting holes. The device 98 is 5 mounted to a flexible stem 100 which in turn is connected to a foot 102 which enables the device to be mounted at a point of sale position.

Referring now to figures 12 and 13 there is shown a further embodiment of a security device according to the present invention and generally designated 104.
Features
10 common to the previously described embodiments are identified with like reference numerals. The device 104 is similar to that described with reference to figure 9. The device 104 comprises an enclosure having a pair of spaced side walls 22 joined by a bridging portion 24. Within the bridging portion 24 there is provided a viewing aperture 26 into which a security pane (not shown) may be retained. The walls 22 and bridging portion 24 define an access aperture 30 into which a user may place their hand when the enclosure is fitted over a keypad. The enclosure 82 is manufactured as a single piece item from a toughened plastics material by a moulding operation.
Alternatively, the enclosure 82 may be manufactured from metal such as aluminium alloy by a casting operation. The security pane may be incorporated into the enclosure during moulding thereof. Alternatively the pane may be retrofitted to the enclosure after it has been manufactured.

The enclosure is further provided with a plurality of spaced holes 84 around the viewing aperture 26. The holes 84 let light into the space surrounded by the enclosure 82 while not permitting the keypad to be directly viewed therethrough. It will be appreciated that the walls 22 and bridging portion 24 define another additional access aperture 85 on the opposite side of the enclosure. On certain configurations of ATM the slot through which bank notes are dispensed is positioned in front of and slightly above the keypad.
In such a configuration a user is able to take the bank notes dispensed with the same hand as that used to input their PIN to the keypad. The provision of the additional access aperture 85 enables a user to reach the banknotes while the device 82 as a whole
11 slot through which they are dispensed and thus prevents them from being snatched by a person other than the user of the ATM.

The enclosure is preferably moulded from a translucent plastics material which permits a degree of light transmission therethrough while at the same time not permitting the keypad to be viewed through the walls 22 and bridging portion 24 surrounding the viewing aperture 26. The translucent nature of the plastics material enables a user or operator of the ATM to readily see if anything, such as a miniature camera, has been attached to the inner surface of the enclosure. The inner surfaces of the enclosure may additionally be textured so as make it difficult for a device such as a miniature camera to be attached thereto. For example, the inner surfaces of the enclosure may be ribbed or ridged.

The device 104 may be mounted to the ATM bay any appropriate fixing means. In the embodiment shown the bottom edge 106 of each wall 22 is provided with projections 108 which extend through corresponding apertures of the ATM. The projections may be threaded so as to receive nuts thereupon. Alternatively, the lower edge of each wall 22 may be provided with a flange through which appropriate fixing means may extend.
The device 104 may be mounted to the ATM such that the viewing aperture 26 and security pane 36 are not fully in register with the keypad. Figure 13 shows an example of such an alignment between the viewing aperture 26, security pane 36 and keypad 110. The upper edge 112 of the viewing aperture 26 and security pane 36 is aligned with the lower edge 114 of the upper row of keys 116 of the keypad 110. This out of register alignment ensures that a user of the ATM keypad 110 is able to fully view the keypad 110 through the security pane 36, while persons attempting to view the keypad form positions other than that corresponding to the point of view of the user, either over the shoulder of the user or remotely via a camera mounted above or near the ATM, are unable to view the full keypad through the security pane 36.
12 c)w to figure 14 there is shown a device generally designated 118 which is configured for use with a EPOS chip and pin keypad PED 88 of the type now utilised by retailers. The device 118 is similar to that described with reference to figures 10 and 11 and features common thereto are identified with like reference numerals.

The device 118 comprises an enclosure 120 having a base 92 and a pair of spaced side walls 22. The base 92 and walls 22 are formed from a single piece material.
For example the base 92 and walls 22 may be formed from a plastics material by a moulding operation. Alternatively, the enclosure may be manufactured from a metal such as aluminium alloy. Extending between the upper edges 122 of the walls 22 is a frame 124 defining the viewing aperture 26 and within which the security pane (not shown) may be mounted. The frame 124 is pivotably connected by a hinge 126 to one of the walls 22, while a catch arrangement (not shown) may be provided between the frame 124 and the other of the walls in order to retain the frame 124 in the position shown.

An access aperture 30 is provided to the front of the enclosure 120, while an additional access aperture 94 is provided to the rear thereof. The term "front" is construed with reference to the edge of the keypad 88 closest to the user thereof. The access aperture 30 permits a user to reach the keypad 88, while the additional aperture 94 permits the user or a counter assistant to insert a chip card into a card receiving slot of the keypad 88 if required to do so. The frame 124 and security pane are pivotable in the direction indicated by arrow 128. It will be understood that that the frame 124 and security pane may be pivoted upwards and away from the keypad 88. The security pane may thus be moved out of the line of sight user with respect to the keypad 88. This may be required in instances where a user has difficulty in viewing the keypad through the security pane.
The security pane may also be moved so as to enable a PIN card to be inserted into a slot on the upper face of the key pad 88. With the card inserted the security pane can be moved back into position ready for a user to key in their PIN.
The base 92 of the enclosure 120 is mounted to a post or pedestal 136. The base 92 is mounted so as to be both rota table relative to the pedestal 136 as indicated by arrow
13 otable relative to the pedestal 136 as indicated by arrow 140. The base 92 is removably mounted to the pedestal 136 so that the enclosure 120 and keypad 88 as a whole can be demounted and handed to a user.

It will be appreciated that the frame 124 may be movably connected to a wall of the enclosure 120 by other means. For example, the frame 124 may be slidably mounted to one or both walls 22 of the enclosure 120. In an alternative embodiment, the frame 124 may be fully removable.

Figure 15 shows a further embodiment of a device generally designated 130 which is configured for use with a EPOS chip and pin keypad 88 of the type now utilised by retailers. The device 130 is similar to that described with reference to figures 10, 11 and 14, and features common thereto are identified with like reference numerals.

The device 130 comprises an open sided enclosure 132 having a base 134 and curved side wall 22. The enclosure 132 is mounted to a pedestal 136. The base 134 and wall 22 are formed from a single piece material. For example the base 134 and wa1122 may be formed from a plastics material by a moulding operation. Extending from the upper edge 122 of the wall 22 is a frame 124 defining the viewing aperture 26 and within which the security pane (not shown) may be mounted. The frame 124 is pivotably connected by a hinge 126 to the upper edge 122 of the wall 22.

An access aperture 30 is provided to the front of the enclosure 120, while an additional access aperture 94 is provided to the rear thereof. The access aperture 30 permits a user to reach the keypad 88, while the additional aperture 94 permits the user or a counter assistant to insert a chip card into a card receiving slot of the keypad 88 if required to do so. The frame 124 and security pane are pivotable in the direction indicated by arrow 128. It will be understood that that the frame 124 and security pane may be pivoted upwards and away from the keypad 88. The security pane may thus be moved out of the line of sight user with respect to the keypad 88. This may be required in instances where a user has difficulty in viewing the keypad through the security pane.
14 ppreciated that the frame 124 may be movably connected to a wall of the enclosure 132 by other means. For example, the frame 124 may be slidably mounted to the wall 22 of the enclosure 132. In an alteirnative embodiment, the frame 124 may be fully removable.
The device 130 may be provided with an additional wall member (not shown) which may be fitted to the base 134 so as to configure the enclosure 132 in a similar manner to that shown in figure 14. The additional wall member may be removed, and the frame 124 pivoted to the position shown in figure 15 to permit the keypad 88 to be removed from the enclosure 132 and handed to a user.

The enclosures of the embodiment of the present invention hereinbefore described may be adapted to include illumination means operable in low light conditions to illuminate the keypad. The illumination means may also be arranged to conduct light out from the enclosure through the security pane. Light directed in this manner may prevent a camera or the like viewing keystrokes made on the keypad.

The embodiments of the invention described above refer to keypads fitted to ATMs and EPOS PIN entry devices or PEDs. It will be appreciated that the invention may be used in conjunction with other keypads such as, for example, those used in connection with security door entry keypads, and alarm system command keypads to name but a few. A
device according to the present invention may fitted to a keypad during the initial manufacture thereof or the initial incorporation of the keypad into a larger device.
Alternatively a device according to the present invention may be retrofitted to a keypad already incorporated into a larger device.

Claims (32)

Claims
1. A keypad security device comprising an enclosure having a viewing aperture and an access aperture, the enclosure at least partially surrounding a keypad such that the keypad is viewable through the viewing aperture and accessible by a user through the access aperture, the viewing aperture including a security pane arranged so as to permit the keypad to be viewed clearly from the point of view of a user of the keypad and to prevent the keypad from being viewed from the point of view of a person other than the user, wherein the security pane includes a refractive lens.
2. A keypad security device as claimed in claim 1, wherein the lens has a refractive index of between 1.3 and 1.8.
3. A keypad security device as claimed in claim 2 wherein the lens is manufactured from acrylic and has a refractive index of between 1.47 and 1.51.
4. A keypad security device as claimed in claim 2 wherein the lens is manufactured from vinyl chloride and has a refractive index of between 1.52 and 1.56.
5. A keypad security device as claimed in claim 2 wherein the lens is manufactured from polyethylene and has a refractive index of between 1.49 and 1.53.
6. A keypad security device as claimed in claim 2 wherein the lens is manufactured from polycarbonate and has a refractive index of between 1.57 and 1.61.
7. A keypad security device as claimed in any preceding claim wherein the lens is a fresnel lens.
8. A keypad security device as claimed in any preceding claim, wherein the security pane includes an image which permits the keypad to be viewed therethrough along a predefined viewing axis but which obscures the keypad when viewed along an axis not aligned with the viewing axis.
9. A keypad security device as claimed in claim 8, wherein the image is provided on or in the security pane.
10. A keypad security device as claimed in claim 9, wherein the image is etched or otherwise applied to a surface of the security pane.
11. A keypad security device as claimed in any preceding claim, wherein the security pane comprises a unitary member.
12. A keypad security device as claimed in any of claims 1 to 10, wherein the security pane is of laminar construction.
13. A keypad security device as claimed in claim 12 wherein the security pane includes the refractive lens and a support member.
14. A keypad security device as claimed in any preceding claim wherein security pane is releasably secured to the viewing aperture.
15. A keypad security device as claimed in any of claims 1 to 13 wherein the security pane is integrally formed with the viewing aperture.
16. A keypad security device as claimed in any preceding claim wherein the enclosure is formed from a plastics material.
17. A keypad security device as claimed in claim 16 wherein the enclosure is at least partially translucent.
18. A keypad security device as claimed in any preceding claim wherein the interior of the enclosure is at least partially textured so as to prevent the attachment of devices thereto.
17 keypad security device as claimed any preceding claim wherein the enclosure includes at least window aperture arranged to allow ambient light into the interior of the enclosure.
20. A keypad security device as claimed in any preceding claim, wherein the enclosure includes a wall arranged so as to at least partially surround the keypad.
21. A keypad security device as claimed in claim 20, wherein the enclosure includes a plurality of walls arranged so as to at least partially surround the keypad.
22. A keypad security device as claimed in any preceding claim wherein the security pane is retained in a frame mounted to the enclosure.
23. A keypad security device as claimed in claim 22 wherein the frame is movable relative to the enclosure.
24. A keypad security device as claimed in claim 23 wherein the frame is pivotably mounted to the enclosure.
25. A keypad security device as claimed in claim 23 wherein the frame is slidably mounted to the enclosure.
26. A keypad security device as claimed in any preceding claim, wherein the enclosure is provided with an additional access aperture aligned with the first access aperture.
27. A keypad security device as claimed in claim 26 wherein the first aperture is provided at the front of the enclosure and the additional access aperture is provided to the rear of the enclosure.
28. A keypad security device as claimed in any preceding claim wherein the enclosure includes a base arranged to receive a keypad device.
18 keypad security device as claimed in claim 28 wherein the base is provided with a mounting arrangement for mounting the enclosure to a mounting member.
30. An ATM machine having a keypad, and a banknote dispensing aperture, the ATM machine including a keypad security device as claimed in any of claims 1 to 27.
31. An ATM machine as claimed in claim 30, when dependent upon claim 26 or claim 27, wherein the additional access aperture is aligned with the bank note dispensing aperture.
32. A point of sale data card pin entry device having a keypad, the pin entry device including a keypad security device as claimed in any of claims 1 to 29.
CA002584212A 2004-10-22 2005-10-21 Keypad security device Abandoned CA2584212A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0423508.1A GB0423508D0 (en) 2004-10-22 2004-10-22 Keypad security device
GB0423508.1 2004-10-22
PCT/GB2005/004060 WO2006043074A2 (en) 2004-10-22 2005-10-21 Keypad security device

Publications (1)

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CA2584212A1 true CA2584212A1 (en) 2006-04-27

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CA002584212A Abandoned CA2584212A1 (en) 2004-10-22 2005-10-21 Keypad security device

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EP (1) EP1805729A2 (en)
JP (1) JP2008517394A (en)
KR (1) KR20070097029A (en)
CN (1) CN101044519A (en)
AU (1) AU2005297073A1 (en)
BR (1) BRPI0517297A (en)
CA (1) CA2584212A1 (en)
GB (1) GB0423508D0 (en)
WO (1) WO2006043074A2 (en)
ZA (1) ZA200703914B (en)

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US8870063B1 (en) * 2005-12-20 2014-10-28 Diebold Self-Service Systems Division Of Diebold, Incorporated Cash dispensing automated banking machine system and method
JP4829738B2 (en) * 2006-09-27 2011-12-07 エヌイーシーコンピュータテクノ株式会社 A terminal device, a pair of visors for peep prevention, and a peep prevention method.
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GB2451825A (en) * 2007-08-13 2009-02-18 Shahid Mirza PIN entry system for chip and PIN
DE102008014324A1 (en) * 2008-03-14 2009-09-17 Wincor Nixdorf International Gmbh Self-service device
GB2463285A (en) * 2008-09-09 2010-03-10 Alex Marshall Cone shaped privacy shield for use when entering a PIN number or security code
CN103150838A (en) * 2013-01-27 2013-06-12 孟祥玉 ATM (Automatic Teller Machine) with function against forgetting bank card
CN104392560B (en) * 2014-11-05 2017-02-08 南通市巨力弹簧吊架有限公司 Multifunctional self-service terminal
KR101909014B1 (en) * 2016-06-27 2018-12-19 주식회사 에이텍에이피 Information leakage prevention apparatus and information inputting apparatus
KR101867844B1 (en) * 2016-07-06 2018-06-18 주식회사 에이텍에이피 Information leakage prevention apparatus and information inputting apparatus
CN106991342A (en) * 2017-03-20 2017-07-28 河南师范大学 A kind of visual range limit for cryptographic input equipment based on liquid crystal Fresnel lens

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BRPI0517297A (en) 2008-10-14
GB0423508D0 (en) 2004-11-24
WO2006043074A9 (en) 2008-10-02
JP2008517394A (en) 2008-05-22
EP1805729A2 (en) 2007-07-11
WO2006043074A3 (en) 2006-06-22
ZA200703914B (en) 2008-10-29
CN101044519A (en) 2007-09-26
AU2005297073A1 (en) 2006-04-27
KR20070097029A (en) 2007-10-02
WO2006043074A2 (en) 2006-04-27

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