WO2022112550A1 - Procédé d'interactions sans contact avec un terminal de paiement, terminal de paiement et programme d'ordinateur correspondants. - Google Patents
Procédé d'interactions sans contact avec un terminal de paiement, terminal de paiement et programme d'ordinateur correspondants. Download PDFInfo
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- WO2022112550A1 WO2022112550A1 PCT/EP2021/083327 EP2021083327W WO2022112550A1 WO 2022112550 A1 WO2022112550 A1 WO 2022112550A1 EP 2021083327 W EP2021083327 W EP 2021083327W WO 2022112550 A1 WO2022112550 A1 WO 2022112550A1
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- Prior art keywords
- payment
- payment terminal
- electromagnetic field
- function
- contactless
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3278—RFID or NFC payments by means of M-devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/047—Payment circuits using payment protocols involving electronic receipts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/322—Aspects of commerce using mobile devices [M-devices]
- G06Q20/3223—Realising banking transactions through M-devices
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- 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
- G07F7/0873—Details of the card reader
- G07F7/0893—Details of the card reader the card reader reading the card in a contactless manner
Definitions
- TITLE Process for contactless interactions with a payment terminal, payment terminal and corresponding computer program.
- the present invention relates to contactless interactions between a user and an electronic payment terminal (TPE).
- TPE electronic payment terminal
- the invention relates to the selection by the user of at least one function on a payment terminal of the contactless type, with the user's payment device.
- contactless payment terminal an electronic payment terminal using near field communication (NFC) technology to establish communication with a payment device of the user and thus carry out an electronic transaction for the purchase of a product, or a service.
- NFC near field communication
- NFC Near Field Communication
- the contactless TPE initiates communication by emitting an electromagnetic field and then sending a command to the customer's payment device, which is also equipped to communicate via NFC.
- the payment device then responds by retro-modulating the incident wave, which allows the payment device and the TPE to exchange transaction information by amplitude modulation of the electromagnetic field.
- the customer's payment device is equipped with a chip coupled to an antenna.
- the chip contains the information the TPE needs to accept the transaction.
- the merchant's TPE is then able to access the data stored on the customer's payment device, record a transaction, and communicate with a remote authentication server.
- This method of payment thus allows the customer to no longer need to handle the TPE directly to make his purchase, such as when he enters his confidential code on the keyboard of the TPE.
- the end of the payment transaction is, in most cases, materialized by the printing by the TPE of a payment receipt for the customer and the merchant.
- the choice to print, or not, the payment receipt requires manipulation of the TPE by the merchant, who then selects a printing function via the keyboard of the TPE.
- contactless interaction between users and payment terminals is becoming more and more essential.
- it is interesting to study methods allowing the merchant to interact with the payment terminal, without contact with the latter (for example without interactions with the keyboard ).
- One of the advanced solutions is that at the end of the transaction, the customer simply passes his hand, or his mobile phone, close to the payment terminal, to specify his preference for printing a receipt. In particular, depending on the movement detected, for example upwards, downwards, left or right, the customer can select whether or not to print the payment receipt or even select an option for sending by e-mail.
- this motion detection system requires the integration of an additional component, such as an optical sensor, in the payment terminal.
- the invention meets this need by proposing a method for processing electromagnetic field modulations of a contactless payment terminal.
- This contactless payment terminal emits an electromagnetic field to establish near field communication (NFC) with a user's payment device.
- the method comprises the following steps, implemented within the payment terminal: detection by the payment terminal of at least one modulation of the electromagnetic field emitted, said at least one modulation resulting from at least one touch of the payment device on the payment terminal, determination of a frequency N, N being an integer greater than or equal to 1, of modulation of the electromagnetic field emitted by the payment terminal, this frequency N corresponding to N touches of the payment device on the payment terminal, a selection of at least one function on the payment terminal according to the frequency N of modulation of the determined electromagnetic field.
- the invention is based on an entirely new and inventive approach to the interaction between a user's payment device and a so-called contactless payment terminal, using near-field communication (CCP) technology. More particularly, the invention proposes to take advantage of the use of this communication technology by CCP, already used during a conventional contactless payment step, to be able to select one or more functions available on the contactless payment terminal , that is to say without requiring direct physical interaction between the user, such as for example a customer or a merchant, and the payment terminal.
- CCP near-field communication
- a conventional electronic transaction step is implemented.
- the customer brings his payment device, such as his bank card or his mobile telephone, close to the contactless payment terminal, then, after establishment of a communication by CCP, the payment device and the payment terminal contactless exchange transaction information necessary to initiate and complete the electronic transaction.
- This transaction information is, for example, identification and authentication data of the customer's payment device, identification of the payment terminal, transaction amount, etc.
- the method according to the invention makes it possible to limit physical contact between the user and the TPE.
- the latter detects a modulation of the electromagnetic field it emits linked to the "touch", or "tap", of the user's payment device on the TPE.
- “Touch” or “tap” means bringing the payment device close to the TPE to establish communication by CCP between the two peripherals, or at least modulation of the electromagnetic field emitted by the TPE for the payment device. payment. More particularly, during a step of selecting a function on the contactless TPE, during which there is no exchange of transaction information between the payment device and the TPE, the user is invited to use their payment device (contactless bank card or mobile phone) and “touch” the TPE. The TPE, which emits an electromagnetic field, is then able to detect a disturbance in the absorption profile of the electromagnetic field.
- the detection of a modulation, or disturbance, of the electromagnetic field emitted by the payment terminal which makes it possible to select a function on the payment terminal.
- the user can select a function for using the payment terminal by modulating the electromagnetic field of the terminal using his payment device, without coming into direct contact with it, by simply "tap" of his payment device on the payment terminal.
- the selection is made without contact via modulation of the electromagnetic field emitted by the terminal to establish near-field communication and without the need to exchange transaction information as during the transaction step.
- the user can select a function on the terminal, i.e. each frequency of modulation of the electromagnetic field corresponds to a function on the payment terminal.
- N being an integer greater than or equal to 1
- the payment terminal determines a modulation frequency N of the electromagnetic field (N being an integer greater than or equal to 1), then it implements the function corresponding to this modulation frequency.
- N being an integer greater than or equal to 1
- the user will “touch” the payment terminal, or perform a “tap” with his payment device, and consequently modulate the electromagnetic field emitted by the terminal.
- N a frequency N of modulation of the electromagnetic field is determined.
- N the frequency of modulation of the electromagnetic field.
- the method further comprises a determination of at least one parameter chosen from: a modulation period of the electromagnetic field, a modulation amplitude of the electromagnetic field, an approach threshold of the payment device to the payment terminal.
- the determination of a period between the modulations of the electromagnetic field detected, of a modulation amplitude and/or of an approach threshold makes it possible to filter out any parasitic interactions.
- the method according to the invention makes it possible to detect a voluntary gesture on the part of the user and therefore to precisely select a function on the payment terminal.
- this selection of said at least one function on the payment terminal is implemented before and/or after a contactless electronic transaction step.
- the user can select a function on the contactless payment terminal before and/or after the contactless electronic transaction step, according to a sequence of predetermined function sequences.
- the user before performing the conventional contactless electronic transaction step, the user is asked whether or not he wishes to print his payment receipt.
- the user by simple "tap", selects that he wishes for example to print his payment receipt, then performs in a conventional manner a contactless electronic transaction to make the purchase of a product or service.
- the user is asked, for example, to make a donation to an association.
- the user can then select to make this donation in the same way as for selecting the payment receipt printing function, by simply “tapping” his payment device on the payment terminal.
- the user can select one or more functions on the payment terminal before and/or after the electronic transaction step without payment, by performing the number of “taps” required to select a function on the terminal.
- said at least one function selected on the payment terminal is selected from: a function for printing a payment receipt, a function for transmitting a payment receipt by e-mail, a transmission function by SMS or MMS of a payment receipt, a function for accepting the payment of a tip, a function for accepting the payment of a donation, a function for implementing at least one other contactless electronic transaction.
- the payment terminal displays on a screen a list of functions from which the user can select in order, for example, to print his payment receipt or send it by e-mail to an address registered with the merchant.
- a modulation frequency N is associated.
- a number N of “taps” to be performed is associated and displayed.
- the terminal screen displays that it is necessary to perform a simple "tap", corresponding to a "tap”, on the payment terminal with the payment device (card bank or mobile phone), and to select to send it by e-mail, it is necessary to make a double "tap", corresponding to two "taps".
- the method according to the invention comprises a display on a screen of the payment terminal of a message for selecting said at least one function, this message comprising the frequency N, N a higher integer or equal to 1, modulation of the electromagnetic field making it possible to select said at least one function.
- the user can select from several different functions, without having to physically interact with the payment terminal.
- the user can therefore select very simply, either to receive his payment receipt in physical form, i.e. he selects the printing of the payment receipt by the payment terminal, or to have this receipt sent from payment by e-mail or by SMS or MMS type messaging.
- the method according to the invention allows him to select a function implementing another transaction on the contactless payment terminal.
- the invention also relates to a device for processing electromagnetic field modulations of a contactless payment terminal.
- This contactless payment terminal emits an electromagnetic field to establish near field communication (NFC) with a user's payment device.
- this device comprises: a module for detection by the payment terminal of at least one modulation of the electromagnetic field emitted, said at least one modulation resulting from at least one touch of the payment device on the payment terminal, a function selection module on the payment terminal, this selection module also being able to: i. determining a frequency N, N an integer greater than or equal to 1, of modulation of the electromagnetic field emitted by the payment terminal, the frequency N corresponding to N touches of the payment device on the payment terminal, ii. select at least one function on the payment terminal as a function of the modulation frequency N of the determined electromagnetic field.
- the invention also relates to a payment terminal comprising a device for processing electromagnetic field modulations of a contactless payment terminal, as described above.
- the various steps of the methods according to the present disclosure are implemented by one or more software or computer programs, comprising software instructions intended to be executed by a data processor of an execution terminal according to the present technique and being designed to control the execution of the various steps of the methods, implemented at the level of the communication terminal, the electronic execution terminal and/or the remote server, within the framework of a distribution of the processing operations to perform and determined by scripted source code or compiled code.
- the present technique also targets programs capable of being executed by a computer or by a data processor, these programs comprising instructions for controlling the execution of the steps of the methods as mentioned above.
- a program may use any programming language, and be in the form of source code, object code, or intermediate code between source code and object code, such as in partially compiled form, or in any other desirable form.
- the present technique also aims at an information medium readable by a data processor, and comprising instructions of a program as mentioned above.
- the information medium can be any entity or terminal capable of storing the program.
- the medium may include a storage medium, such as a ROM, for example a CD ROM or a microelectronic circuit ROM, or else a magnetic recording medium, for example a mobile medium (memory card) or a hard drive or SSD.
- the information medium can be a transmissible medium such as an electrical or optical signal, which can be conveyed via an electrical or optical cable, by radio or by other ways.
- the program according to the present technique can in particular be downloaded from a network of the Internet type.
- the information carrier may be an integrated circuit in which the program is incorporated, the circuit being adapted to execute or to be used in the execution of the method in question.
- the present technique is implemented by means of software and/or hardware components.
- module may correspond in this document to a software component, a hardware component or a set of hardware and software components.
- a software component corresponds to one or more computer programs, one or more sub-programs of a program, or more generally to any element of a program or software capable of implementing a function or a set of functions, as described below for the module concerned.
- Such a software component is executed by a data processor of a physical entity (terminal, server, gateway, set-top-box, router, etc.) and is likely to access the hardware resources of this physical entity (memories, recording media, communication bus, electronic input/output cards, user interfaces, etc.).
- a hardware component corresponds to any element of a hardware assembly (or hardware) able to implement a function or a set of functions, according to what is described below for the module concerned. It can be a hardware component that can be programmed or has an integrated processor for executing software, for example an integrated circuit, a smart card, a memory card, an electronic card for executing firmware ( firmware), etc
- the processing device, the payment terminal and the aforementioned corresponding computer program have at least the same advantages as those conferred by the method for processing electromagnetic field modulations of a contactless payment terminal according to the different embodiments of the present invention.
- FIG. IA presents an example of an environment for implementing the invention according to a particular embodiment
- FIG. IB presents an example of an environment for implementing the invention according to another particular embodiment
- FIG. 2 presents an architecture of a contactless electronic payment terminal according to an exemplary embodiment
- FIG. 3 graphically presents an example of an electromagnetic field absorption profile of a payment terminal according to an example embodiment
- FIG. 4 schematically presents an example of the kinetics of a contactless payment phase and of an opening phase according to an example embodiment
- FIG. 5 graphically presents examples of the absorption profile of an electromagnetic field of a payment terminal during a selection of a function on an electronic payment terminal according to an exemplary embodiment
- FIG. 6 graphically presents an example of the absorption profile of an electromagnetic field of a payment terminal during a selection of a function on a payment terminal by double “tap” according to an example embodiment
- FIG. 7 graphically presents an example of filtering the absorption profile of an electromagnetic field of a payment terminal during a selection of a function on a payment terminal by double "tap" according to the example embodiment of Figure 6.
- An object of the present disclosure is to offer new possibilities for interaction of a user of a payment device (typically a bank card, or even a communication terminal used as a payment device) with a payment terminal having a near field communication interface (eg NFC).
- a payment device typically a bank card, or even a communication terminal used as a payment device
- a payment terminal having a near field communication interface eg NFC
- the general principle of use of the proposed technique is to make it possible to select a function on an electronic payment terminal (TPE) without direct physical interactions between the user and the TPE, in particular in order to be able to respond to health constraints to reduce such physical interactions.
- an interaction detection and processing method is implemented.
- the invention proposes, to allow this interaction, to take advantage of a near field communication technology (CCP) already implemented implemented by the TPE in the context of contactless type payment transactions, also called contactless payment.
- CCP near field communication technology
- the invention is based on the modulation, by the user's payment device, of the electromagnetic field emitted by the TPE within the framework of the implementation of communications by CCP for contactless electronic transactions.
- the user will perform a "touch” or “tap” of the TPE using his payment device, such as his contactless bank card or his mobile phone.
- This “tap” then modulates the electromagnetic field of the TPE which consequently determines, according to the process described, a function selected according to a frequency of modulation of the electromagnetic field linked to the number of “taps” performed.
- FIGS. IA and IB present examples of the environment for implementing the invention according to particular embodiments.
- an electronic banking transaction such as payment for a purchase
- a contactless interface (not shown) of an electronic payment terminal 3.
- This type of contactless electronic transaction also called contactless payment, is based on inductive coupling, also frequently called “near field communication” (or CCP), usually known by the acronym “NFC” (for “NearField Communication” in English).
- CCP inductive coupling
- NFC NearField Communication
- This NFC communication method is mainly based on the ISO (International Standard Organization) 14443 standard, and uses wireless technologies to allow information to be exchanged between two devices that are a short distance apart.
- the merchant enters the amount of the transaction on his TPE 3 which makes it possible to make a payment by means of a contactless interface (not shown) connected and controlled by the TPE 3.
- the TPE 3 also comprises a user interface, also called HMI (for Human Machine Interface), comprising for example a screen intended to display messages for the attention of the user and a numeric keypad on which the user can enter a code for example.
- HMI Human Machine Interface
- the user 1 is then invited, via a message displayed on the screen, to present his means of payment, also called payment device 2 below, such as his bank card without contact (figure IA), or his smartphone (figure IB), on this contactless interface within a determined period (for example 1 minute), in order to proceed to the payment of his purchase.
- payment device 2 such as his bank card without contact (figure IA), or his smartphone (figure IB), on this contactless interface within a determined period (for example 1 minute), in order to proceed to the payment of his purchase.
- This transaction step involves a secure exchange of transaction information, such as, for example, identification and authentication data for the payment device 2 and/or the user 1.
- the user 1 physically positions his payment device 2 opposite the contactless interface of the TPE 3, at a maximum distance of 3 or 4 centimeters to pay for his purchase. Concretely, it is therefore appropriate for the user 1 to “touch” the contactless interface of the TPE 3. This physical contact between the payment device 2 and the TPE 3 is commonly called “tap”.
- the user 1 then keeps his payment device 2 facing the contactless interface of the TPE 3, until a signal (audible beep and/or distinctive light) indicates to him the end of the transaction.
- this signal characterizes the validation of the transaction and the printing of a receipt and possibly a payment receipt (for example credit card receipt) for the customer 1.
- FIG. 2 an architecture of a contactless electronic payment terminal 3 according to an exemplary embodiment is presented.
- the TPE 3 is a contactless type TPE, that is to say that it is capable of establishing communication by CCP with a payment device 2 of the user 1, such as for example his contactless bank card, to carry out a transaction, or contactless payment.
- the contactless TPE 3 conventionally comprises: a processing unit or “CPU”, intended to load instructions into memory, to execute them, to perform operations, a set MEM of memories, including a volatile memory or “RAM” (for "Random Access Memory” in English) used to execute code instructions, store variables, etc., and a non-volatile memory, of the "ROM” or “EEPROM” type intended to contain persistent information.
- a processing unit or “CPU” intended to load instructions into memory, to execute them, to perform operations
- a set MEM of memories including a volatile memory or “RAM” (for "Random Access Memory” in English) used to execute code instructions, store variables, etc.
- RAM for "Random Access Memory” in English
- non-volatile memory of the "ROM” or "EEPROM” type intended to contain persistent information.
- the contactless TPE 3 also comprises a device for processing electromagnetic field modulations of the contactless TPE 3, or processing device DISP.
- the processing device DISP comprises a contactless reader LEC, conventionally integrated into a contactless type TPE.
- the LEC contactless reader of the TPE 3 is an active system which emits an electromagnetic field by means of an integrated antenna ANT and sends data by modulation of the amplitude of the electromagnetic field emitted.
- the contactless TPE 3 via the integrated antenna ANT emits an electromagnetic field to be able to establish communication by CCP at any time with the payment device 2 of the user 1.
- a conventional contactless payment phase consists of the exchange of electromagnetic waves between the payment device 2 of the user 1 (for example a bank card or a smartphone) and the contactless TPE 3 of the merchant.
- the electromagnetic field of the contactless TPE 3 is more or less absorbed, depending on the presence in the field of the payment device 2, such as for example the bank card of FIG. .
- the payment device 2 conventionally has a chip containing the information necessary for the transaction and a miniature antenna which sends the data by short-distance radio waves to the contactless TPE 3, itself equipped with the built-in antenna ANT.
- the chip of the payment device 2 sends data to the contactless reader LEC of the contactless TPE 3 by load modulation, that is to say by short-circuiting its antenna circuit by means of a switch controlled by a load modulation signal.
- Antenna short circuits generate a disturbance of the electromagnetic field which is reflected in the LEC contactless reader. The latter can thus extract the charge modulation signal by carrying out a filtering of the signal and deduce therefrom the data sent by the payment device 2.
- the electromagnetic field can be modified in various ways recognizable by the contactless reader LEC and converted into binary digits 1 and 0. Waves can be scaled up or down (amplitude modulation) or time shifted (phase shift modulation). It is also possible to vary the frequency (frequency shift keying) or to ensure that the data is contained within the duration of the pulses (pulse width modulation).
- the merchant's TPE is then able to access the data stored on the customer's payment device, record a transaction, and communicate with a remote authentication server.
- the processing device DISP of the contactless TPE 3 further comprises a selection module SEL of a function on the contactless TPE 3.
- function is meant a particular action which is carried out by the contactless TPE 3 following of a user command.
- This function can be for example: a function for printing a payment receipt (for example bank card receipt or invoice), a function for transmitting a payment receipt by e-mail, a function for transmitting by SMS or MMS of a payment receipt, a tip payment acceptance function, a function for accepting payment of a donation (typically a donation allowing the total amount of purchases to be rounded off to a higher monetary unit), a function for rating the service rendered by the merchant, an implementation function at least one other contactless electronic transaction.
- the payment receipt transmission function is mainly used to describe the interaction examples. It is understood that these examples can be implemented for functions other than that of transmission of such payment receipts.
- user 1 can select very simply, either to receive his payment receipt in physical form, i.e. he selects the printing of the payment receipt by the payment terminal, or to have this payment receipt sent by e-mail or by SMS or MMS type messaging, when an e-mail address or a telephone number are known to the merchant (for example recorded in a database of the merchant).
- the user 1 wants to make a donation to an association or else give a tip to the merchant (for example when it is a restaurateur), he then selects either an implementation function of another transaction on the contactless payment terminal.
- the contactless TPE 3 displays on its screen the different functions that it can select in association with a number N (N an integer greater than or equal to 1) of “taps” that must be performed to select a function in particular.
- the contactless reader LEC of the TPE 3 detects the modulations of the electromagnetic field emitted by the antenna ANT resulting from the presence in the field of the payment device 2 when the user 1 performs a "touch" or "tap” of his device payment 2 on the TPE 3.
- the selection module SEL determines a frequency N (N an integer greater than or equal to 1), of modulation of the electromagnetic field emitted by the contactless TPE 3. This frequency N corresponding to the number N of "tap” that the user performs with his payment device 2 on the TPE.
- the module SEL makes it possible to select a corresponding function.
- the user wishes to have their payment receipt emailed to them at an email address registered in the merchant's database. To do this, he is invited, at the end of the contactless payment, to make a double "tap" with his bank card on the contactless TPE 3.
- the user can select different functions on the contactless TPE 3, in a dematerialized way, that is to say without direct physical contact, by "touching" it with his payment device 2. Indeed, it is the detection of a modulation, or disturbance, of the electromagnetic field emitted by the TPE by the contactless reader LEC which makes it possible to select via the selection module SEL a function on the TPE. The user therefore no longer needs to manipulate the contactless TPE 3 by entering his choice of function, for example using the keyboard. Indeed, the selection is made without direct contact between the TPE 3 and the user 1 thanks to a modulation of the electromagnetic field of the TPE 3 and without the need to exchange transaction information as during the contactless payment phase.
- this step of selecting a function is done at the end of the conventional contactless payment phase.
- the user is then invited, via the display of the functions on the screen of the TPE 3, to select a function for printing or sending by e-mail his payment receipt.
- this selection is made before the performance of the conventional contactless payment phase.
- the user 1 chooses before the classic contactless payment phase a function, such as printing his payment receipt by performing a simple "tap" with his bank card, then makes a contactless payment conventionally, before selecting another function displayed on the screen at the end of the payment such as tipping the merchant or making a donation to an association.
- a function such as printing his payment receipt by performing a simple "tap" with his bank card
- the user 1 is invited to select a function on the contactless TPE 3 at the end of the contactless payment phase. It should be noted that this selection step can also be done before the contactless payment phase, or, in another example, before and after payment.
- Figure 4 schematically presents an example of the kinetics of a contactless payment phase and of an opening phase for the selection of a function on the contactless TPE 3 according to an example embodiment.
- the N “tap” occurs after an electronic contactless payment transaction.
- the contactless reader LEC scans for possible modulations of the electromagnetic field linked to one or more “taps” of the user with his payment device 2.
- the contactless reader LEC detects the disturbance of the electromagnetic field.
- This modulation of the electromagnetic field is characterized by a brief variation of the field during which the absorption increases briefly before decreasing, as presented in relation to FIG. 3.
- the selection module SEL determines the frequency N of modulation of the field, then selects the corresponding function called by the user.
- there is no digital dialogue exchange of data, for example bank data
- the contactless reader LEC of the TPE 3 determines whether there is a modulation of the electromagnetic field and according to this modulation, via the selection module SEL, selects the corresponding function on the payment terminal. Indeed, depending on the profile of this absorption (value and duration) and it is possible to detect a movement, or number of specific "tap", activating a function at the level of the contactless TPE 3.
- the merchant initiates contactless payment in a classic and well-known way.
- User 1 carries out the transaction by placing, for example, his bank card in the field of the LEC contactless reader of the TPE 3.
- a message is displayed on the screen of the contactless TPE 3 asking user 1 if he wishes for example to print a payment receipt with a double “tap” of validation.
- User 1 then uses his contactless bank card to perform this action which prints the payment receipt.
- the selection module SEL determines that the frequency N is equal to 1 and that the function called by the user is that corresponding to a simple "tap", for example the printing of the payment receipt by the TPE without contact 3.
- the selection module SEL determines that the modulation frequency N is equal to two and that the function called by the user is that corresponding to a double "tap", for example sending the payment receipt by mail electronic.
- the selection module SEL determines that the modulation frequency N is equal to three and that the function called by the user is that corresponding to a triple "tap", for example sending the payment receipt by messaging SMS or MMS type.
- N an integer greater than or equal to 1, of “tap”, there is therefore N modulation of the electromagnetic field characterized by a number N of absorption peak.
- the selection module SEL determines the modulation frequency N as a function, which then makes it possible to select the corresponding function N.
- user 1 must perform N "tap” and thus, depending on the modulation frequency N of the electromagnetic field emitted by the TPE without contact 3, the user can select, without direct interactions between the user 1 and the TPE 3, a corresponding function N.
- the user approaches his payment device 2 twice, such as his contactless bank card, at the level of the contactless interface of the TPE 3, to perform a double “tap”, in order for example, to select a payment receipt e-mail transmission function.
- the contactless reader LEC of the TPE 3 detects a modulation of the electromagnetic field emitted by the antenna ANT of the TPE 3 characterized by two field absorption peaks.
- This determined approach frequency is input data for the filtering of parasitic absorptions (reduction of the parasitic background by filtering) which could occur (even if they remain very low, the operating frequency (13.56MHz) of the interface being away from water absorption).
- the selection module SEL also determines the following parameters: a modulation period of the electromagnetic field, a modulation amplitude of the electromagnetic field. The amplitude of these movements making it possible to trigger the capture as well as the parasitic absorption filtering, an approach threshold of the payment device towards said contactless payment terminal.
- the filtering of noise and spurious transient events is carried out: either via the use of digital-type filtering, or via the use of analog-type filtering according to the topology of the signal.
- a filter is put in place.
- This filtering is: either of the digital type with a low level of latency (typically an infinite impulse response filter, or a filter making averages with a low number of data); or of the analog type based on passive components if the detection of at least one modulation of the electromagnetic field emitted is done externally to the modulation processing device according to the invention.
- FIG. 7 illustrates an example of filtering of the absorption profile of an electromagnetic field of the contactless TPE 3 during an implementation of a selection of a function by double “tap” according to the example of FIG. 6.
- the selection module SEL determines, in addition to the approach frequency, the parameters of modulation period of the electromagnetic field, of modulation amplitude of the field electromagnetic and/or approach threshold from the payment device to the contactless payment terminal.
- the use of parameters additional to the determination of the modulation frequency makes it possible to set up a noise filtering system additional to the filtering described above.
- the signal is rejected (“KO signal”) as being noise or a parasitic event: it is the case of the first two signals of FIG. 7, in which either the amplitude or the period do not comply with the prescribed parameter setting.
- the signal OK if all the parameters (amplitude, approach threshold and/or period) are respected then the signal is accepted as a voluntary gesture by the user (“signal OK”).
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21820579.7A EP4252173A1 (fr) | 2020-11-30 | 2021-11-29 | Procédé d'interactions sans contact avec un terminal de paiement, terminal de paiement et programme d'ordinateur correspondants |
CA3200030A CA3200030A1 (fr) | 2020-11-30 | 2021-11-29 | Procede d'interactions sans contact avec un terminal de paiement, term inal de paiement et programme d'ordinateur correspondants. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR2012376A FR3116931A1 (fr) | 2020-11-30 | 2020-11-30 | Procédé d’interactions sans contact avec un terminal de paiement, terminal de paiement et programme d’ordinateur correspondants. |
FRFR2012376 | 2020-11-30 |
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WO2022112550A1 true WO2022112550A1 (fr) | 2022-06-02 |
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PCT/EP2021/083327 WO2022112550A1 (fr) | 2020-11-30 | 2021-11-29 | Procédé d'interactions sans contact avec un terminal de paiement, terminal de paiement et programme d'ordinateur correspondants. |
Country Status (4)
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EP (1) | EP4252173A1 (fr) |
CA (1) | CA3200030A1 (fr) |
FR (1) | FR3116931A1 (fr) |
WO (1) | WO2022112550A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100221999A1 (en) * | 2009-03-02 | 2010-09-02 | Motorola, Inc. | Method for selecting content for transfer or synchronization between devices |
US20200042957A1 (en) * | 2016-10-25 | 2020-02-06 | Worldpay, Llc | Systems and methods for second tap e-receipt option for nfc-enabled payment vehicles |
-
2020
- 2020-11-30 FR FR2012376A patent/FR3116931A1/fr active Pending
-
2021
- 2021-11-29 CA CA3200030A patent/CA3200030A1/fr active Pending
- 2021-11-29 WO PCT/EP2021/083327 patent/WO2022112550A1/fr active Application Filing
- 2021-11-29 EP EP21820579.7A patent/EP4252173A1/fr active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100221999A1 (en) * | 2009-03-02 | 2010-09-02 | Motorola, Inc. | Method for selecting content for transfer or synchronization between devices |
US20200042957A1 (en) * | 2016-10-25 | 2020-02-06 | Worldpay, Llc | Systems and methods for second tap e-receipt option for nfc-enabled payment vehicles |
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Publication number | Publication date |
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CA3200030A1 (fr) | 2022-06-02 |
EP4252173A1 (fr) | 2023-10-04 |
FR3116931A1 (fr) | 2022-06-03 |
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