WO1997039558A1 - Ecran masquant l'utilisation d'un clavier - Google Patents

Ecran masquant l'utilisation d'un clavier Download PDF

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Publication number
WO1997039558A1
WO1997039558A1 PCT/US1996/005182 US9605182W WO9739558A1 WO 1997039558 A1 WO1997039558 A1 WO 1997039558A1 US 9605182 W US9605182 W US 9605182W WO 9739558 A1 WO9739558 A1 WO 9739558A1
Authority
WO
WIPO (PCT)
Prior art keywords
keypad
shield
front member
side members
user
Prior art date
Application number
PCT/US1996/005182
Other languages
English (en)
Inventor
Robert L. Ginsberg
Frances R. Ginsberg
Original Assignee
Phran-Tek, Ltd.
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 Phran-Tek, Ltd. filed Critical Phran-Tek, Ltd.
Priority to PCT/US1996/005182 priority Critical patent/WO1997039558A1/fr
Priority to AU55465/96A priority patent/AU5546596A/en
Publication of WO1997039558A1 publication Critical patent/WO1997039558A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00674—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons
    • G07C9/0069—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons actuated in a predetermined sequence
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/33—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms 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
    • G07F7/10—Mechanisms 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/032—Anti-tamper

Definitions

  • the invention relates to the field of keypad security devices and in particular concerns a shield for concealing manual operation of a telephone keypad.
  • the shield does not interfere with the normal operation of the telephone; the keypad remains in the user's view. However the shield obstructs the line of sight between the keypad and persons other that the user.
  • Keypads often are used to enter private or secure info ⁇ nation as well as routine numerical data.
  • private information could include a confidential phone number, a banking account number, a long distance calling authorization code, a personal identification number (PIN), etc. It is known to attempt to conceal the manual operation of a keypad or combination lock to prevent such information from becoming known to other parties who may be in position to view manual operation of the keypad or lock by a user.
  • U.S. Patent 3,835,680 - Evans discloses an enclosure for concealing manual operation of a combination lock, substantially obscuring a view ofthe hand operating the lock.
  • the enclosure has an upper surface with a window spaced from a rotary selector disk of the lock, such that a small portion of the selector disk can be seen through the window .by the user, who is located in front of the window. Otherwise the selector is obscured.
  • the selector disk is marked with angle indicating numbers or the like, defining selector positions representing digits in a combination
  • the user determines the selector position by observing a number through the window.
  • the user operates the lock by moving the selector through a series of rotational positions, i.e., by bringing selected code numbers into view in the window, one after another in order.
  • the combination disk is mounted below a lower surface of the enclosure, which also has a window. Only one indicia on the disk is visible to the user at a time, namely through the aligned windows on the upper and lower surfaces of the disclosure.
  • the combination disk is coupled to a knob, accessible though a hinged flap door in the enclosure that further conceals the user's hand. The user inserts his or her hand under the hinged flap to rotate the knob while observing the combination disk through the two windows.
  • U.S. Patent 4,404,823 - Miller et al. also discloses a rotary combination lock selector wherein a limited field of view obscures operation of the selector.
  • the combination selector disk has indicia viewed only over a limited area, and in this case along a reflected light path.
  • a housing covers the front face of the disk and the indicia is provided on a rear face of the disk in reverse mirror image.
  • a mirror and reference position pointer at a small opening in the housing allow the user to view the indicia via the mirror, for aligning the indicia to the pointer in operating the lock.
  • Other persons, who unlike the user are not aligned to the light path, cannot observe the indicia to determine the combination of the lock by watching it being opened.
  • U.S. Patents 4,426,862 - Yamada et al.; 4,967,305 - Murrer et al. ; and 5,153,561 - Johnson show examples of keypads covered by protective flaps that are pivoted out of the way to view the keypad during operation. Such flaps protect the keypad against contaminants, particles, weather and the like, but do not obscure the keypad when opened.
  • the foregoing devices are each associated with a form of lock having means for entering a code to obtain access.
  • Another form of access is obtained using a keypad of the type provided on a telephone or on an automatic teller machine (ATM).
  • Users of these keypads may wish to enter private phone numbers, account numbers, passwords, access codes, personal identification numbers and various other data that are also advantageously kept from the view of others.
  • ATM automatic teller machine
  • a relatively small space is provided for the user to stand. Whereas the user stands in front of the keypad, the user's body blocks the keypad from view to some extent.
  • this amount of blocking is generally not sufficient to prevent a party who makes an effort to view the keypad from doing so, particularly by viewing the keypad from an oblique position. Viewing is often easily accomplished due to the transparent walls typically provided on phone or ATM booths or the like, or in crowded installations of multiple telephones where it is impractical to provide extensive visual shielding.
  • Telephone companies allow users to charge calls to phone company accounts, credit card accounts, debit card accounts and the like, frequently in connection with access codes. After dialing the appropriate telephone number or phone number prefix and the called party's number, the user is prompted, for example, by an audio tone or verbal prompt to enter charge information in order to complete the call.
  • Such information may include an account number (e.g., a calling card number) and a personal identification number (PIN) or password.
  • account number e.g., a calling card number
  • PIN personal identification number
  • a criminal can observe manual operation of a keypad from a distance, for example to enter a telephone calling card number and PIN, using equipment such as binoculars or video equipment for magnification and/or recording and playback. Once the calling card number and PIN are obtained, the criminal can sell these access numbers to individuals who may place expensive long distance calls.
  • the stolen calling card numbers may only be used for a short period of time for minimizing the likelihood that anyone is caught, but many thousands of dollars are lost before users are even aware that their calling card numbers have been stolen.
  • voice mail systems often have automated attendant procedures tha enable a caller to determine the identity of a party at a particular extension, for example by determining the party's name from the answering message, and to monitor the person's voice mail, personal information and business transactions. It is possible to try a known access code on successive extensions of a private branch exchange (PBX) until a particular one works. Having obtained access to a voice mail system, a criminal may change the password, locking out the owner, and then use the voice mail system as a secure message system, for example for drug transactions. Some systems also allow persons to place outgoing calls through the PBX after gaining access. In this way calls originated from a remote location are billed to the PBX. It would be desirable to limit access to automated attendant and voice mail systems to prevent unauthorized access to information and services in these and other ways.
  • PBX private branch exchange
  • Integrated voice response telephone systems have been implemented by many different businesses.
  • Bank card issuers may allow card holders to check the status of their accounts.
  • Credit companies may provide information on recent purchases.
  • Investment companies may allow users to check on their investments and transfer funds between accounts.
  • Educational institutions may allow students to obtain transcript and registration information. All of this information is available using the appropriate access codes, and may be highly confidential, private and/or subject to corruption by unscrupulous persons.
  • a security device for concealing the operation of keypads so that unauthorized individuals cannot gain access to telephone users' access numbers and other information by observing the user's key depressions. It would also be advantageous if this could be accomplished in a manner suited to telephones, especially conventional public telephones, in a manner that does not require substantial modification of the telephone or make the telephone inconvenient to operate in a conventional manner.
  • a shield for concealing the operation of a telephone keypad.
  • the shield has at least one side member extending forward toward the user from a position laterally adjacent to the keypad for limiting the field of view of the keypad.
  • two side members are disposed on opposite sides of the keypad. The user can view the keypad between the side members, and the side members obscure the keypad from a viewer who may attempt to view the keypad obliquely, e.g. , from the side or over the user's shoulder.
  • a movable front member is disposed on at least one of the side members to further limit view.
  • the front member can be slidable, pivotable or rotatably mounted so as to be movable between a deployed position and a stored position.
  • the front member has a forward position in which the user can view the keypad over and/or through the front member while reaching behind the front member to the keypad, and a rearward position closer to the keypad permitting the front member to fit under a standard telephone receiver placed over the keypad and in a conventional telephone receiver cradle.
  • the shield is appropriately sized to work in conjunction with existing telephone equipment without modifying telephone topology.
  • the front member can be pivoted to the telephone housing or to one of the side members such that it can be moved over the keypad or pivoted to expose the keypad wholly or partly.
  • the front member can be opaque, but preferably is merely translucent such that the user can view the keypad through the front member sufficiently to operate it. The front member obscures operation of the keypad from other viewers.
  • FIGURE 1 is a perspective view of a shield which is hingable and operable to reciprocate in the front to back direction, the shield is shown retracted towards the back direction in accordance with the invention as viewed from the front right.
  • FIGURE 2 is a perspective view of a shield which is hingable and operable to reciprocate in the front to back direction, the shield being shown extended towards the front and viewed from the front right.
  • FIGURE 3 is a perspective view of an alternative embodiment in which the shield has a front member operable to pivot between the a horizontal and vertical orientation between side members.
  • FIGURE 4 is a side sectional view of the shield of FIGURE 3.
  • FIGURE 5 is a perspective view showing an alternative embodiment in which the shield has a substantially semicircular profile and pivots between up and down positions.
  • FIGURE 6a is a side sectional view of the shield of FIGURE 5, pivoted down.
  • FIGURE 6b is a side sectional view of the shield of FIGURE 5, pivoted up.
  • FIGURE 7 is a perspective view of an alternative embodiment having a front member which is pivotable and movable between the up and down position via tracks in the side members.
  • FIGURE 8a is a side sectional view of the shield of FIGURE 7, shown in the up position with the front member pivoted upward.
  • FIGURE 8b is a side sectional view of the shield of FIGURE 7, shown in the lower position where the keypad is exposed.
  • FIGURE 9a is a perspective view of an alternative embodiment having a front member movable between the up and down fixed position via tracks in the front panel, the front member is shown in the up position.
  • FIGURE 9b is a perspective view of an alternative embodiment having a front member movable between the up and down fixed position via tracks in the front panel, the front member is shown in the down position.
  • FIGURE 9c is a side sectional view of the shield of FIGURE 9b, shown in the down position where the keypad is covered.
  • FIGURE 9d is a side sectional view of the shield of FIGURE 9b, shown in operation with the shield in the down position overtop of a users finger.
  • FIGURE 10 is a perspective view of a shield which is operable to reciprocate in the front to back direction, and covers the keypad and the handset, the shield being shown retracted towards the rear and is viewed from the front right.
  • FIGURE 11 is a side view the shield of FIGURE 10 which is operable to reciprocate in the front to back direction, and covers the keypad and the handset, the shield having telescopic side members and being shown extended towards the front.
  • FIGURE 12 is a to sectional view the shield of FIGURE 10 along the section line XII, the shield is operable to reciprocate in the front to back direction, and covers the keypad and the handset, the shield has telescopic side members and is shown extended towards the front.
  • FIGURE 13 is a side view of a shield which is operable to reciprocate in up and down direction via tracks in the side members, the front member is shown in the down position, and covers the keypad and the handset.
  • FIGURE 14 is a perspective view of a shield which covers the keypad and the handset, the shield a front member which is hinged at the top and is operable to pivot in the front to back direction.
  • the keypad shield accordmg to the invention is mounted over a telephone keypad or the like, for obscuring operation of the keypad to viewers other than the user, who is positioned directly in front of the keypad.
  • the shield has a hinged and slidable front member that is movable in a front-to-back direction for deployment and storage, respectively.
  • the shield has a front member 10 and two side members 11 , the side members being attached to the telephone adjacent the sides of the keypad 1 while providing sufficient space for a user to insert his or her hand for operating the keypad when the front member is moved forward.
  • the front member can be opaque, such that the user views the keypad over the front member, or translucent, such that the user views the keypad through the front member.
  • Each side member has a base or rear end 12 which is attached on either side of the keypad 1 , for example by screws, adhesive or the like.
  • Each side member has a front end 13 which is formed with a retaining ear 14. The side members are parallel to each other and spaced apart such that there is sufficient clearance for the telephone handset 2 and the user's hand between the side members. The front member is pushed rearwardly when the telephone handset is placed on the receiver cradle and hook switch 3.
  • the front member is formed with two slots 15 in which the side members are engaged, such that the front member is pe ⁇ endicular to the side members and is operable to slide freely in the front to back direction along the length of the side members.
  • the front member is shown retracted towards the back in FIGURE 1 , and deployed in FIGURE 2, where the front member has been moved to the extreme front, where it contacts the retaining ears.
  • the front member is divided into two portions which are coupled by a hinge 16.
  • the inner portion 17 is hingable with respect to the outer portion 18.
  • the inner portion can be hinged or rotated part way up for the user to reach under the shield to operate the keypad in a secure manner, or all the way up if the user does not require security.
  • the front member is preferably translucent such that the user can view the keys through the front member.
  • the side members are preferably opaque so that they obstruct the line of sight to the keypad when viewed from the periphery.
  • the front member can be manufactured from a translucent material that is optically biased (e.g., to collimate the view of the keypad) or polarized so that only user who is standing directly in front of the keypad can see the keypad through the front member.
  • the shield as shown in FIGURES 1 and 2 fits immediately adjacent or against the keypad in the rear position and thus fits under the telephone handset in the on-hook position.
  • the shield also can be made large enough to cover the handset as well as the keypad.
  • two side members are preferred. It is also possible, for example where a telephone is mounted in a corner, to use one side member on the exposed side only.
  • the front member can be slidably mounted on the telephone, or hinged to the telephone or to one of the side members, such that the front member can be stored or deployed.
  • FIGURE 3 shows an alternative embodiment wherein the shield pivots between horizontal and vertical orientations.
  • the shield has a front member 20 and two side members 21 and as above is installed on a conventional touch tone telephone.
  • the side members are attached to the telephone on opposite sides of the keypad 1.
  • the side members are spaced to provide sufficient clearance between the telephone handset and the side members when the telephone handset is on-hook.
  • the side members are preferably opaque so that they obstruct the line of sight to the keypad when viewed from the periphery.
  • the front member is essentially rectangular in shape and is engaged in a slot 22 in the telephone such that it can hinge at the top edge and reciprocate in the front to back direction as shown by dashed lines in FIGURE 4.
  • the front member When the front member is lifted into the horizontal position it can be manually slid into the slot in the telephone so that the user can access the keypad without using the front part of the shield, if desired.
  • FIGURE 5 shows an alternate embodiment where the shield has a curved profile and is mounted to pivot between up and down positions as shown in FIGURES 6a and 6b.
  • the shield has a front member 30 and two side members 31 and is installed on a conventional telephone.
  • the side members are parallel to each other and spaced to straddle the keypad 1.
  • the front member is formed with a rectangular opening. In the down position the keypad is substantially enclosed by the shield, the shield is rotated part way up for the user to reach into the rectangular opening to operate the keypad in a secure manner, or all the way up if the user does not require security.
  • the junction of the front member and side members is curved along the front edges 33 of the side members.
  • the side members are preferably opaque to obstruct the line of sight to the keypad when viewed from the periphery.
  • a drive means 36 can be coupled to the shield such that the shield is automatically pivoted into the up position upon a user lifting the telephone handset (not shown).
  • the shield can be operated manually, without a drive means. It is desirable to raise the shield only so far as necessary to permit operation of the keypad. In this way the side members of the shield block as much of the lateral view to the keypad as possible. The user raises the shield such that there is sufficient room to reach under the upper edge 37 of rectangular opening and to view the keypad through the front member to operate it.
  • the shield can be spring biased to return to the down position, and manually held in the up position by resting edge 37 on the back of the user's hand. It is also possible to provide a frictional latch to hold the shield open when desired.
  • the shield can be freely pivoted such that it falls into the closed position by gravity.
  • the front member can be translucent or otherwise optically biased, polarized or the like, to limit viewing to the user who is standing directly in front of the keypad.
  • the user who is within arm's reach of the keypad, can see the keypad through a translucent front member sufficiently for operation.
  • the front member can alternatively be clear and provided with a collimating lens such that the image of the keypad is restricted to a relatively small angle.
  • FIGURE 7 shows an alternative embodiment wherein the front member of the shield is both pivotable and slidable.
  • the shield has a front member 40 and two side members 41 and can be installed on a conventional telephone or other keypad which is to be operated securely.
  • the side members are attached on either side of the keypad with clearance for the telephone handset and the user's hand. With the front member in the up position the keypad is covered by the shield and can be pivoted for the user to reach the keypad.
  • the inside faces 42 of the side members have a slot 43 into which laterally protruding pins 44 of the front member engage.
  • the slots can pass through the side members, but preferably are formed only on the inside faces of the side members so as to better obscure the keypad.
  • the side members are opaque for obstructing the view of the keypad from the sides.
  • FIGURE 8b the front member is slid into the down position. In this position the user can access the keypad yet the side members obstruct unauthorized persons view of the keypads from the periphery.
  • the front member is hinged to the side members on a horizontal axis. It will be appreciated that the front member can also be hinged to one of the side members on a vertical axis.
  • FIGURE 9a shows an alternative embodiment wherein the front member 50 of the shield is slidable via tracks in the front panel (not shown), the front member is shown in the up position.
  • the keypad 1 is shown recessed into the front panel 51.
  • the side members 52 are mounted behind the front panel.
  • the front member has a semi ⁇ circular notch in the bottom edge 53. With the front member in the up position the user has full access to the keypad yet the side members obstruct unauthorized persons view of the keypads from the periphery.
  • FIGURES 9b and 9c show the front member slid into the down position.
  • FIGURE 9d shows the user's finger engaged in the notch such that user can access the keypad.
  • the shield can be lowered part way down resting on top of the users 's finger, hand or arm allowing the user's finger to reach under the shield to operate the keypad in a secure manner. Alternatively the shield can be raised all the way up if the user does not require security.
  • Figure 10 shows a shield which is operable to reciprocate in the front to back direction, and covers the keypad and the handset.
  • the shield has a front member 60, and side members 61 and is shown retracted towards the keypad. With the shield retracted, access to the handset and keypad is prevented because the shield prevents the receiver from being lifted off hook.
  • This type of configuration is most useful in credit card activated configurations. The user must first slide their credit card through a magnetic card reader 62 (FIGURE 11) prior to gaining access to the telephone handset and keypad.
  • FIGURES 11 and 12 show the shield in the deployed position. With the shield in the deployed position, there is sufficient room for the telephone handset to be easily removed by reaching under the front member and lifting the handset off hook.
  • the side members are parallel to each other and spaced apart such that there is sufficient clearance for the telephone handset and the user's hand between the side members.
  • the front member 60 and keypad are spaced apart such that there is sufficient clearance for the user to access the keypad.
  • the side members are shown as being telescopic however additional variations will now be apparent to persons skilled in the art.
  • FIGURE 13 shows an alternate embodiment wherein the front member 65 is both pivotable and slidable.
  • the side members are attachedon either side of the keypad with clearance for the telephone handset and the user's hand.
  • the inside faces of the side members 66 have a slot 67 into which laterally protruding pins 68 of the front member engage.
  • the slots can pass through the side members, but preferably are formed only on the inside faces of the side members so as to better obscure the keypad.
  • the front member is preferably translucent such that the user can view the keys through the front member.
  • the side members are preferably opaque so that they obstruct the line of sight to the keypad when viewed from the periphery.
  • the front member can be manufactured from a translucent material that is optically biased (e.g. , to collimate the view of the keypad) or polarized so that only user who is standing directly in front of the keypad can see the keypad through the front member .
  • the receiver is placed on hook and the front member automatically retracted or manually pushed rearwardly thereby locking the handset in place.
  • FIGURE 14 shows an alternative embodiment wherein the shield encloses the entire telephone.
  • the shield has a front member 70 and two side members 71.
  • the shield also has a top member 73 which is coupled between the front member and the side members.
  • the front member has a curved profile that matches the profile of the front edge of the side members 72. Sufficient space is provided between the front member and the handset so that the handset can be removed. In operation the user reaches under the front member, removes the handset, and operates the keypad.
  • the front member is preferably translucent such that the user can view the keys through the front member.
  • the side and top members are preferably opaque so that they obstruct the line of sight to the keypad when viewed from the periphery.
  • the front member can be manufactured from a translucent material that is optically biased (e.g. , to collimate the view of the keypad) or polarized so that only a user who is standing directly in front of the keypad can see the keypad through the front member.
  • the front member can be translucent or otherwise optically biased, polarized or the like, to limit viewing to the user who is standing directly in front of the keypad.
  • the user who is within arm's reach of the keypad, can see the keypad through a translucent front member sufficiently for operation.
  • the front member can alternatively be clear and provided with a collimating lens such that the image of the keypad is restricted to a relatively small angle.
  • a telephone handset is shown in combination with the invention.
  • the invention can be mounted to other keypad devices such as ATM's and the like.
  • the telephone handset is shown merely for convenience in this description and does not limit the invention for use only with telephone equipment.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention porte sur un écran (10, 11) masquant les opérations de composition de numéros sur un clavier (11) à touches tel qu'un clavier de téléphone aux vues obliques par rapport à l'utilisateur qui peut, lui, voir le clavier soit par-dessus, soit à travers un élément frontal (10). L'élément frontal (10) est mobile de façon à ne pas interférer avec l'utilisation normale du téléphone, et à permettre de poser le combiné de manière usuelle sur le clavier (1). Un ou deux éléments latéraux (11) s'étendent sur les côtés du clavier vers l'avant en direction de l'utilisateur, sur une distance égale par exemple à au moins la largeur du clavier. L'élément frontal (10) monté pivotant et/ou coulissant sur les éléments latéraux (11) est de préférence translucide tandis que les éléments latéraux (11) sont de préférence opaques.
PCT/US1996/005182 1996-04-16 1996-04-16 Ecran masquant l'utilisation d'un clavier WO1997039558A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US1996/005182 WO1997039558A1 (fr) 1996-04-16 1996-04-16 Ecran masquant l'utilisation d'un clavier
AU55465/96A AU5546596A (en) 1996-04-16 1996-04-16 Shield for concealing operation of a keypad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1996/005182 WO1997039558A1 (fr) 1996-04-16 1996-04-16 Ecran masquant l'utilisation d'un clavier

Publications (1)

Publication Number Publication Date
WO1997039558A1 true WO1997039558A1 (fr) 1997-10-23

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PCT/US1996/005182 WO1997039558A1 (fr) 1996-04-16 1996-04-16 Ecran masquant l'utilisation d'un clavier

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006043074A2 (fr) * 2004-10-22 2006-04-27 Secure Access Solutions Limited Dispositif de securite pour clavier numerique
GB2422135A (en) * 2005-01-15 2006-07-19 John Everett Privacy shield for use when entering a PIN
WO2006076882A1 (fr) * 2005-01-20 2006-07-27 Wincor Nixdorf International Gmbh Element de protection contre les regards indiscrets pour appareils en libre service
FR2892548A1 (fr) * 2005-10-25 2007-04-27 Kis Soc Par Actions Simplifiee Dispositif de lutte contre la fraude affectant les systemes de paiement par carte
WO2007110635A2 (fr) * 2006-03-28 2007-10-04 Secure Access Solutions Limited Dispositif de securite pour clavier numerique
DE102008014324A1 (de) * 2008-03-14 2009-09-17 Wincor Nixdorf International Gmbh Selbstbedienungsgerät
US8311104B2 (en) 2005-08-22 2012-11-13 Sony Corporation Information processing apparatus and method, recording medium, and program
US8403208B2 (en) 2000-06-30 2013-03-26 Tara Chand Singhal Apparatus and method for a privacy shield in keypad input devices at financial transaction terminals

Citations (4)

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US5301230A (en) * 1992-08-10 1994-04-05 Barry Benjamin W Viewing shield for a telephone dialing pad
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AT220684B (de) * 1959-11-10 1962-04-10 Franz Eigentler Sperrbarer Telephonverschluß
US5222445A (en) * 1991-07-29 1993-06-29 Tony Capraro Automatic teller machine maintenance enclosure
US5301230A (en) * 1992-08-10 1994-04-05 Barry Benjamin W Viewing shield for a telephone dialing pad
US5465090A (en) * 1994-05-27 1995-11-07 Deignan; Jeffrey J. Key pad shielding device and method

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8403208B2 (en) 2000-06-30 2013-03-26 Tara Chand Singhal Apparatus and method for a privacy shield in keypad input devices at financial transaction terminals
WO2006043074A2 (fr) * 2004-10-22 2006-04-27 Secure Access Solutions Limited Dispositif de securite pour clavier numerique
WO2006043074A3 (fr) * 2004-10-22 2006-06-22 Neil Radford Dispositif de securite pour clavier numerique
GB2422135A (en) * 2005-01-15 2006-07-19 John Everett Privacy shield for use when entering a PIN
GB2422135B (en) * 2005-01-15 2006-12-13 John Everett Privacy shields
WO2006076882A1 (fr) * 2005-01-20 2006-07-27 Wincor Nixdorf International Gmbh Element de protection contre les regards indiscrets pour appareils en libre service
US8311104B2 (en) 2005-08-22 2012-11-13 Sony Corporation Information processing apparatus and method, recording medium, and program
FR2892548A1 (fr) * 2005-10-25 2007-04-27 Kis Soc Par Actions Simplifiee Dispositif de lutte contre la fraude affectant les systemes de paiement par carte
WO2007110635A2 (fr) * 2006-03-28 2007-10-04 Secure Access Solutions Limited Dispositif de securite pour clavier numerique
WO2007110635A3 (fr) * 2006-03-28 2008-01-17 Secure Access Solutions Ltd Dispositif de securite pour clavier numerique
DE102008014324A1 (de) * 2008-03-14 2009-09-17 Wincor Nixdorf International Gmbh Selbstbedienungsgerät
US8561886B2 (en) 2008-03-14 2013-10-22 Wincor Nixdorf International Gmbh Self-service device

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