EP1457941A2 - Système de sécurisation de cartes de crédit et similaires - Google Patents

Système de sécurisation de cartes de crédit et similaires Download PDF

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Publication number
EP1457941A2
EP1457941A2 EP04004128A EP04004128A EP1457941A2 EP 1457941 A2 EP1457941 A2 EP 1457941A2 EP 04004128 A EP04004128 A EP 04004128A EP 04004128 A EP04004128 A EP 04004128A EP 1457941 A2 EP1457941 A2 EP 1457941A2
Authority
EP
European Patent Office
Prior art keywords
card
container
signals
user
control unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04004128A
Other languages
German (de)
English (en)
Other versions
EP1457941A3 (fr
Inventor
Gioacchino Cagnazzi
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.)
Cagnazzi Francesco
Original Assignee
Cagnazzi Francesco
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
Priority claimed from ITMI20030355 external-priority patent/ITMI20030355A1/it
Priority claimed from ITMI20031865 external-priority patent/ITMI20031865A1/it
Application filed by Cagnazzi Francesco filed Critical Cagnazzi Francesco
Publication of EP1457941A2 publication Critical patent/EP1457941A2/fr
Publication of EP1457941A3 publication Critical patent/EP1457941A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/18—Ticket-holders or the like
    • A45C11/182—Credit card holders
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/149—Mechanical actuation by lifting or attempted removal of hand-portable articles with electric, magnetic, capacitive switch actuation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/023—Power management, e.g. system sleep and wake up provisions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0241—Data exchange details, e.g. data protocol
    • G08B21/025—System arrangements wherein the alarm criteria uses absence of reply signal after an elapsed time
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0241—Data exchange details, e.g. data protocol
    • G08B21/0252—System arrangements wherein the child unit emits, i.e. the child unit incorporates the emitter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0241—Data exchange details, e.g. data protocol
    • G08B21/0255—System arrangements wherein the parent unit emits, i.e. the parent unit incorporates the emitter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/18—Devices to prevent theft or loss of purses, luggage or hand carried bags
    • A45C13/24—Devices for sound-producing, piercing, gas-discharging, or the like

Definitions

  • the present invention relates to a safekeeping device for credit cards and similar cards of the same shape.
  • cards with a magnetic band such as, for example, credit cards, access badges, cards for gift stamp collection, prepaid telephone cards, and so on
  • cards with a magnetic band are often stowed in mere sleeves, cases or containers, in order to be maintained in a good condition and have an orderly arrangement.
  • known cases do not offer any aid to avoid the card being lost under determined situations (when it is drawn from a pocket or a bag, at the moment of use of said card or for any other reason).
  • the present invention aims at conceiving a case that is adapted to signal to the user, both the non recovery/loss of the case contents alone, and the unintentional separation from the "case + contents" assembly, due to carelessness or an oversight, for example.
  • the present invention aims at creating a safekeeping case adapted to be personalised by the user and possibly also to offer accessory functions different from simply holding cards or the like.
  • the present invention also aims at conceiving a safekeeping device adapted to efficiently protect cards/badges, preventing undesirable bending, breaking or wear of the magnetic band, if any.
  • Another important aim of the invention is to conceive a safekeeping device making it easy to withdraw the housed cards therefrom.
  • It substantially consists of a container 2 that is able to house at least one credit card 3 (or in any case similar cards or badges).
  • removal-detecting means 50 is present which is operatively interlocked with container 2 and associable with a user and/or a personal object belonging to the user (said means can be for example attached internally of a dress worn by the user, to a mobile phone, a diary, a wrist or pocket watch, a wallet and so on, in accordance with the modalities described in more detail in the following).
  • the removal-detecting means 50 can be activated depending on a separation condition of the personal object or the device 1 itself.
  • the detecting means 50 begins automatically operating each time the user, the safekeeping device 1 or the personal object owned by the user are separated or move away from each other beyond a given distance (as can be seen, this event is practically considered as an indication of a potential situation of loss/oversight/carelessness/theft/pickpocketing).
  • the device 1 comprises signalling means 6 that is adapted to emit an alarm signal at least on occurrence of the separation condition, and a control unit 7 operatively interlocked with the removal-detecting means 50.
  • the control unit 7 is designed to emit output signals to operate the signalling means 6.
  • the removal-detecting means 50 comprises a receiving element 50b (positioned in container 2, Figs. 8 and 8a) and a transmitting element 50a (to be positioned on the user and/or the personal object, or more generally physically separable from case 1, Fig. 7) designed to send verification signals 60 to the receiving element 50b.
  • the transmitting element 50a and/or receiving element 50b may consist of radio sets operating at a given frequency (for example in the 433.92 MHZ band) and having a predetermined range (some metres, for example).
  • the verification signals 60 can advantageously be radio signals and they preferably comprise at least one bit string modulating a carrier wave at regular time intervals.
  • said bit string carries out coding of a first identification code indicating a match and/or membership relation of the transmitting element 50a with respect to the receiving element 50b and a second identification code indicating a predetermined type of transmitting element 50a; the bit string can further code a predetermined number of control bits (that in turn are active on the first and/or the second identification code to verify the integrity thereof and/or correct possible errors present in the bit string itself).
  • the second identification code can be useful to distinguish a given "transmitting element-receiving element" pair if several transmitter devices were to be used simultaneously.
  • the just described transmitting mechanism advantageously prevents the recurrence of an accidental transmission conflict (although it is not likely to occur) if several "transmitting element-receiving element" couplings should operate in close proximity.
  • the transmitting element 50a can be activated to emit signals at regular time intervals (Fig. 10): these time intervals can be defined by a constant primary value T1 added to a secondary value T2 (the last-mentioned value is determined depending on the identification codes and/or the control bits, or it can be proportional to the transmission time of one or more verification signals 60). It is also to be pointed out that the transmitting element 50a, depending on its features, shall employ a transmission time T5 to emit the bit string or any other radio wave or communication signal.
  • the signalling means 6 emits the alarm signal on occurrence of a non-reception of the verification signals 60 by the receiving element 50b for a predetermined number of times: for example, if the receiving element does not receive signals 60 for more than two consecutive times (and this may happen because the transmitting element is at a distance beyond the transmission-limit range with respect to the receiving element), a signal may be generated that draws the user's attention: at this point in real situations this can happen when case 1 has been forgotten (while the personal object on which the receiving element has been placed remains with the user) or on the contrary when the personal object has been forgotten (and this time it is case 1 that remains with the user).
  • the receiving element 50b too can be activated for receiving signals at suitably separated switching-on intervals T3; in addition, the receiving element 50b can be maintained under reception conditions over predetermined listening periods T4.
  • the switching-on intervals T3 and the listening periods T4 are selectively variable depending on an occurred reception of the verification signals 60 emitted by the transmitting element 50a and/or on the transmission time T5 of the verification signals 60.
  • the present invention achieves a particular signalling function also against stealing of the case itself: in fact, if device 1 is unduly moved away from the transmitting device, that is supposed to be worn by the device's owner, it will begin signalling the occurred theft by a sound, also giving an indication of the position where it is.
  • the transmitting element can advantageously have very reduced sizes (comparable to those of a big coin of a thickness of about 3 mm). As already pointed out above, it can be applied to any object that is wished to be protected against loss: wallet, briefcase, key-rings, mobile phone and others.
  • the transmitting element 50a shown in Fig. 7 it essentially contains a battery 51 (a lithium battery of 100mAh, for example), a transmitting circuit with an antenna 52 (of the LOOP type for example or of another type), a low-consumption microcontroller 53 and a ceramic resonator 54 the frequency of which is a submultiple of the transmission frequency.
  • the microcontroller 53 is suitable for timing generation and modulation of the radio signal with the preestablished bit string.
  • the receiving element 50b too (provided with an appropriate antenna 56) cannot be always active because consumption of same would be too much and battery 55 would become exhausted in a short period of time (Fig. 8b). In order to conveniently prolong the battery endurance, therefore the receiving element 50b shall be able to operate in an intermittent manner as well.
  • An example of this operation can conveniently be the following: if it is supposed (in addition) that the transmission rate is of 5 seconds, on switching on, and all times the receiver loses its contact with the transmitter, the receiving element is activated over a period of 5.05 seconds; in this time interval transmission will be executed by the transmitting element at least once. If such a signal is not received and decoded, the suitable alarm signal will be generated.
  • the receiving element correctly decodes the verification signals 60 emitted by the transmitting element, it will be switched off immediately after decoding and will be switched on again after 4.95 seconds and then every 5 seconds and duration of switching-on will be of 50 ms each time (see in this connection the time diagram in Fig. 10).
  • Activation of device 1 can be executed in any manner:, it is possible for example to activate device 1 by taking out and inserting again any card from container 2 for a given number of times (two consecutive times in quick succession, for example). Likewise the device operation can be disabled by repeating the same operation for a different number of time (three times for example).
  • An automatic disabling of the device operation is also possible, depending on the fact that an alarm signal is generated and the receiving element loses connection with the transmitting element for a given number of consecutive times (four times for example).
  • the present invention can also achieve a further practical and useful feature, due to the possible presence of interfacing means 70 that can be operatively interposed between a control unit 7 (that conveniently can be that already installed in the transmitting element or the receiving element) and a computer such as a common PC, for example.
  • a user of device 1 can intervene on the control unit 7 by acting through an appropriate software installed on the computer, to modify the operating parameters of the control unit 7 itself.
  • These operating parameters can be of any nature: transmission times, selection of the bit strings, intermittence times, type, volume and tones of the alarm signals and so on (see Fig. 9).
  • the interfacing means 70 comprises an interface or port 71 (that conveniently can be a USB and/or a RS232 interface) and one or more memory blocks 72 (a shared memory, a RAM or a memory of any other type) .
  • the interfacing means 70 interface 71 and/or memory block 72
  • a dedicated microcontroller 73 By suitably selecting the size and type of the memory block 72, it may be also possible to use device 1 for other purposes (as a portable mass storage to be connected with computers, etc., for example).
  • the interfacing means 70 interface 71 and/or memory block 72
  • a dedicated microcontroller 73 By suitably selecting the size and type of the memory block 72, it may be also possible to use device 1 for other purposes (a portable mass storage to be connected with computers, etc., for example).
  • the interfacing means 70 interface 71 and/or memory block 72
  • the interfacing means 70 interface 71 and/or memory block 72
  • Fig. 9 is the physical implementation of a device 1 showing a USB connection.
  • the user will be able to personalise the device behaviour, at will.
  • the present invention can also offer an additional signalling and warning function relating to the presence of one or more cards within container 2, and in this way the user can be informed each time he/she leaves a credit card "unattended” (beyond a given distance) after taking it out of container 2.
  • container 2 adapted to house one or more credit cards 3 or similar cards of the same shape
  • container 2 can have a given number of compartments 4 (two compartments disposed in side by side relationship, for example) for the same number of cards.
  • sensing means 5 Associated with container 2 is sensing means 5 adapted to detect at least one predetermined condition, to be better identified in the following, correlated with a subsequent possibility of losing one or more cards usually housed in said container or the container itself or even with the possibility of damaging the cards, due for example to the presence of strong magnetic fields in the vicinity.
  • signalling means 6 is employed that is adapted to emit alarm signals, as well as a control unit of the electronic type 7 designed to receive input signals from the sensing means 5 and to process them based on a program entered in the control unit memory and to emit output signals to operate said signalling means 6.
  • unit 7 can also perform the previously described "loss-preventing" functions relating to personal objects different from credit cards, and therefore it will be able to be substantially coincident with the previously mentioned structural component.
  • the sensing means 5, signalling means 6 and control unit 7 are integrated into a single printed circuit 8 comprising a battery 9 coupled therewith in an irremovable manner to avoid use, for practical economic and assembling reasons, of battery holders and mechanisms allowing removal of the flat battery and insertion of a new battery: therefore the operating time of the device depends on the battery lifetime that can be, in the case of a lithium battery with long endurance and low self-discharge, of about four years.
  • the sensing means 5 may comprise different components among which at least one presence sensor 10 for each card, defined by a microswitch for example that closes its contact on drawing of the card from container 2.
  • the sensing means 5 is able to detect conditions correlated with withdrawal of container 2 from a pocket or a bag and possible placement of same on a substantially horizontal rest surface.
  • the sensing means 5 comprises at least one photosensitive sensor 11, consisting of a phototransistor for example adapted to receive the environmental light conveyed by a light-conducting element 12, preferably defined by a bar of transparent material similar to an optical fibre inserted in a through hole 13 formed in a side of container 1. Bar 12, in addition to conducting the environmental light, forms a closure for the through hole 13 preventing dust from soiling or occluding the phototransistor 11 surface.
  • the second condition is verified by a slope sensor 14, consisting for example of a mercury-drop sensor that, in a horizontal position, closes an electric contact.
  • the sensing means 5 may comprise other types of sensors not shown in the accompanying drawings and designed to safeguard good operation of the cards such as a magnetic-field sensor adapted to detect the presence of a strong potentially dangerous magnetic field.
  • the signalling means 6 activated by the control unit 7, in the embodiment of the device shown in the accompanying drawings, consists of a warning horn made up of a thin metal sheet coupled with a piezoelectric ceramic element. It is apparent that use of other signalling means such as light or vibration signalling means, may be conceived.
  • longitudinally elongated openings 16 are formed on the front walls 15 of container 2. These openings enable a light pressure with a finger and a thrust action in the direction of arrow 17 to be exerted on the surface of the selected card and also allow a portion of the useful card to be made visible for identification of same.
  • each compartment 4 i.e. the inner surfaces of the front walls 15 and the opposite surfaces of a diaphragm 18 dividing container 2 into the compartments 4
  • ribs and/or projecting regions 19 are provided that extend longitudinally in the insertion and drawing direction of the card.
  • the ribs and projecting regions 19 are adapted, in addition to stiffening the front walls 16 and the diaphragm walls 18, to maintain card 3 substantially spaced apart from said inner surfaces at least at the magnetic band that is usually disposed in an asymmetric and longitudinal manner on the card itself.
  • the ribs and projecting regions 19 are symmetrically positioned with respect to a median axis 20 parallel to said insertion and drawing direction so as to form longitudinal symmetric hollows 21 corresponding to possible positions of said magnetic bands.
  • the ribs that are the closest to the median axis 20 and associated with the front walls 15 are practically defined by the longitudinal portions in a raised region 22 of a substantially rectangular shape exposed around each elongated opening 16.
  • container 2 From a structural point of view container 2 comprises a perimetral band 23 of plastic material correspondingly extending along the two major sides and one minor side of card 3.
  • Said diaphragm 18, also of plastic material, is peripherally associated with the perimetral band 23 and forms a monolithic body therewith.
  • the front walls 15, integrated into the perimetral band 23, can be made of plastic material, glazed sheet-steel or other aesthetically good non-deformable material.
  • the signals from the card-presence sensors 10, the photosensitive sensor 11 and the slope sensor 14 and possibly other sensors, are read by the control unit 7 (block A) to verify the activity condition of same (block B) .
  • a first timer is set for a determined number of minutes and time counting begins.
  • a first audible signal is emitted by the signalling means 6 (block G) so that the user is warned a first time about the above mentioned condition or conditions that may indicate the likelihood of unintentionally having left the device behind with the cards therein contained.
  • the above described cycle can be obviously repeated several times with differentiated audible signals so as to warn the user about the occurrence of a possible loss, using increasingly stronger and more prolonged sounds, for example.
  • a card-presence sensor 10 signals withdrawal of a corresponding card, a first acoustic note is first emitted that gives evidence of this event (block H) .
  • a second timer (block I) is activated for a sufficiently long time value, and it is then verified in block L whether the set time has elapsed. If the last-mentioned test is positive, an acoustic note is emitted to remind the user of the necessity to insert the card back in the device (block O), and in the subsequent block P a third timer is set for a sufficiently short time.
  • Block M causes scanning of said third timer on expiry of which block O produces a new emission of the acoustic note, whereas block P causes resetting of said timer.
  • the invention achieves important advantages.
  • the particular construction architecture of the present safekeeping device allows a series of information to be offered to the user not only concerning the relative positioning of the case contents with respect to the case itself, but also positioning of the case (irrespective of whether it is empty or full) with respect to the user.
  • the user can be warned about possible undesirable separations from one or more different personal objects, and this further increases the loss-preventing character of the invention itself.
  • the present invention allows other functions to be integrated into a case for cards or similar papers, by virtue of the presence of electronic memory elements: therefore it will be possible to personalise the different operating aspects of the case relating to a loss-preventing function, or even to obtain a multipurpose object to be used not only as a simple safekeeping device but also as a diary/calendar/watch/organizer (always and in any case advantageously offering a loss-preventing function).
  • the safekeeping device also enables the user to perform an action of constant control on the use of the credit card (or similar card), minimising the possibility that said cards may be lost due to a temporary lack of attention or an oversight.
  • the present invention improves protection for the credit cards while making withdrawal of same from the case easier: the last-mentioned feature is particularly important for the purpose of inducing the user to constantly use the device, against the unpractical use of the cases of known type (that often are not used for long due to the intrinsic inconvenience of drawing the cards therefrom or putting them in).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Burglar Alarm Systems (AREA)
EP04004128A 2003-02-28 2004-02-24 Système de sécurisation de cartes de crédit et similaires Withdrawn EP1457941A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITMI20030355 2003-02-28
ITMI20030355 ITMI20030355A1 (it) 2003-02-28 2003-02-28 Dispositivo di custodia per carte di credito e carte simili dello stesso formato.
ITMI20031865 2003-09-30
ITMI20031865 ITMI20031865A1 (it) 2003-09-30 2003-09-30 Dispositivo di custodia per carte di credito e carte simili dello stesso formato.

Publications (2)

Publication Number Publication Date
EP1457941A2 true EP1457941A2 (fr) 2004-09-15
EP1457941A3 EP1457941A3 (fr) 2004-12-15

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EP04004128A Withdrawn EP1457941A3 (fr) 2003-02-28 2004-02-24 Système de sécurisation de cartes de crédit et similaires

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2257942A1 (es) * 2004-10-14 2006-08-01 Miguel Lopez Delgado Dispositivo localizador de terminales moviles basado en tecnologia de radiofrecuencia bluetooth.
EP1815450A2 (fr) * 2004-11-23 2007-08-08 Honeywell International, Inc. Capteur a microsysteme electromecanique pour des applications de securite
WO2007116211A1 (fr) * 2006-04-08 2007-10-18 Angela Pietraszko dispositif d'avertissement de la chute d'un objet
GB2450283A (en) * 2006-04-08 2008-12-17 Angela Pietraszko Dropped object warning device
EP2532265A1 (fr) * 2011-06-10 2012-12-12 Research In Motion Limited Accessoire de collecte de lumière pour un dispositif électronique
WO2013026771A1 (fr) * 2011-08-19 2013-02-28 Giesecke & Devrient Secure Flash Solutions Gmbh Porte-badge
US8596805B2 (en) 2011-06-10 2013-12-03 Blackberry Limited Light-collecting accessory for an electronic device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959789A (en) * 1975-02-21 1976-05-25 Mcgahee Francis M Credit card monitor
US4772876A (en) * 1986-10-10 1988-09-20 Zenith Electronics Corporation Remote security transmitter address programmer
US4804943A (en) * 1987-07-02 1989-02-14 Isaac Soleimani Remotely controlled briefcase alarm
FR2629613A1 (fr) * 1988-03-29 1989-10-06 Kuehn Daniel Dispositif avertisseur pour eviter la perte d'une carte a code, notamment d'une carte de credit
US5396218A (en) * 1993-07-23 1995-03-07 Olah; George Portable security system using communicating cards

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959789A (en) * 1975-02-21 1976-05-25 Mcgahee Francis M Credit card monitor
US4772876A (en) * 1986-10-10 1988-09-20 Zenith Electronics Corporation Remote security transmitter address programmer
US4804943A (en) * 1987-07-02 1989-02-14 Isaac Soleimani Remotely controlled briefcase alarm
FR2629613A1 (fr) * 1988-03-29 1989-10-06 Kuehn Daniel Dispositif avertisseur pour eviter la perte d'une carte a code, notamment d'une carte de credit
US5396218A (en) * 1993-07-23 1995-03-07 Olah; George Portable security system using communicating cards

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2257942A1 (es) * 2004-10-14 2006-08-01 Miguel Lopez Delgado Dispositivo localizador de terminales moviles basado en tecnologia de radiofrecuencia bluetooth.
EP1815450A2 (fr) * 2004-11-23 2007-08-08 Honeywell International, Inc. Capteur a microsysteme electromecanique pour des applications de securite
EP1815450A4 (fr) * 2004-11-23 2010-01-27 Honeywell Int Inc Capteur a microsysteme electromecanique pour des applications de securite
WO2007116211A1 (fr) * 2006-04-08 2007-10-18 Angela Pietraszko dispositif d'avertissement de la chute d'un objet
GB2450283A (en) * 2006-04-08 2008-12-17 Angela Pietraszko Dropped object warning device
GB2450283B (en) * 2006-04-08 2011-11-16 Angela Pietraszko Dropped object warning device
EP2532265A1 (fr) * 2011-06-10 2012-12-12 Research In Motion Limited Accessoire de collecte de lumière pour un dispositif électronique
US8596805B2 (en) 2011-06-10 2013-12-03 Blackberry Limited Light-collecting accessory for an electronic device
WO2013026771A1 (fr) * 2011-08-19 2013-02-28 Giesecke & Devrient Secure Flash Solutions Gmbh Porte-badge

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