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WO2018171333A1 - Carte à puce radiofréquence et son accessoire externe, et système de communication - Google Patents

Carte à puce radiofréquence et son accessoire externe, et système de communication Download PDF

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Publication number
WO2018171333A1
WO2018171333A1 PCT/CN2018/074363 CN2018074363W WO2018171333A1 WO 2018171333 A1 WO2018171333 A1 WO 2018171333A1 CN 2018074363 W CN2018074363 W CN 2018074363W WO 2018171333 A1 WO2018171333 A1 WO 2018171333A1
Authority
WO
WIPO (PCT)
Prior art keywords
smart card
radio frequency
antenna
card
external
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.)
Ceased
Application number
PCT/CN2018/074363
Other languages
English (en)
Chinese (zh)
Inventor
冯立松
孙迎彤
梁洁
林培清
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.)
Nationz Technologies Inc
Original Assignee
Nationz Technologies Inc
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 Nationz Technologies Inc filed Critical Nationz Technologies Inc
Publication of WO2018171333A1 publication Critical patent/WO2018171333A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07743—External electrical contacts

Definitions

  • the invention relates to the field of short-range communication, in particular to a radio frequency smart card, an external accessory thereof and a communication system.
  • Radio frequency communication technology can realize short-range wireless communication between mobile terminals, consumer electronic products, PC (personal computer) and intelligent control tools, thereby realizing various data transmission and completing various functions.
  • the two mainstream RF communication technologies are RCC with 2.45 GHz (Range Controlled). Communication) communication and communication using NFC (Near Field Communication) of 13.56 MHz.
  • RCC technology and NFC technology are a contactless identification and interconnection technology that provides a simple, touch-sensitive solution that allows consumers to easily and intuitively exchange information, access content, and provide and enjoy services.
  • a user identification card having a radio frequency function (such as a function of radio frequency payment, scanning, etc.) used in a mobile terminal Identification Module, SIM) or memory card (Secure Digital Memory Card (SD) is a circuit that integrates the RF function and the antenna for communication, so that the structure of the terminal itself can be changed.
  • SIM mobile terminal Identification Module
  • SD Secure Digital Memory Card
  • the circuit for realizing the radio frequency function and the antenna for communication are integrated in the card, which is inconvenient for function expansion; for example, it is assumed that the radio frequency SIM card in the terminal supports RCC communication, and if it is to be extended on the basis of NFC communication, Only the corresponding antenna is built in the radio frequency SIM card, and the internal space of the radio frequency SIM card, especially the micro SIM card, is extremely limited, and it is difficult to realize the expansion, and it is more difficult to achieve the performance and reliability after the expansion;
  • the antenna is integrated in the card, which is limited by the internal space of the card itself, especially as the card size is decreasing, the layout space reserved for the antenna is getting smaller and smaller, and the reduction of the antenna layout space has more influence on the antenna performance.
  • the larger the value is the more the antenna structure performance requirements become higher and higher as the metal structure increasingly uses the metal casing structure and the metal structure interferes with the antenna signal more and more. Therefore, the current integration of the antenna in the card does not well meet the reliability and stability requirements of the terminal RF communication.
  • the embodiment of the invention provides a radio frequency smart card and an external accessory and a communication system thereof, so as to solve the problem that the existing radio frequency subscriber identification card or the memory card integrates the antenna into the card, which makes the function expansion difficult to implement and cannot meet the requirements of radio frequency communication well. problem.
  • the embodiment of the present invention adopts the following technical solutions:
  • the embodiment of the invention provides a radio frequency smart card, comprising a card body, wherein the card body is provided with a radio frequency function circuit, and the surface of the card body for setting the pin is a pin extension surface, and is disposed outside each pin area of the pin extension surface.
  • An external antenna contact, an end of the external antenna contact extending toward the card body is connected to the RF function circuit, and an end of the external antenna contact extending outward from the card body is connected with the antenna pin contact on the external accessory.
  • the external antenna contacts are provided with at least two pairs, each of the external antenna contacts having a corresponding pair of antenna pin contacts on the external component.
  • an external circuit contact is disposed outside each pin area of the protruding surface of the pin, and an end of the external circuit contact extending toward the card body is connected to a power function pin of the RF function circuit or the card body, and the external circuit is externally connected.
  • the other end of the contact extending outside the card body is connected to a circuit pin contact on the external accessory.
  • the external antenna contact is disposed at an intermediate portion of the protruding surface of the pin;
  • the external antenna contacts are placed in the area enclosed by the pins on the lead extension surface.
  • the card body is a user identification card body or a memory card body.
  • An embodiment of the present invention provides an external accessory for a radio frequency smart card as described above, including a smart card connection end that cooperates with a radio frequency smart card and a carrier end for arranging the circuit main body; the carrier end is provided with an antenna main body coil, and the smart card connection end is provided with an antenna. a pin contact, the antenna body coil is connected to the antenna pin contact;
  • the antenna pin contact is connected with the corresponding external antenna contact on the card body, and the smart card connection end is inserted into the smart card slot of the communication terminal together with the radio frequency smart card.
  • At least two sets of antenna body coils are disposed in the carrying end, the smart card connecting end is provided with at least two pairs of antenna pin contacts, and one set of antenna main body coils is connected to a pair of antenna pin contacts.
  • the carrying end is further provided with an external functional circuit
  • the smart card connecting end is further provided with a circuit pin contact; the circuit pin contact is used for connecting with a corresponding external circuit contact or a power pin on the card body.
  • the contour shape and size of the smart card connection end are adapted to the shape and size of the RF smart card body contour.
  • the method further includes an adhesive layer adapted to the carrying end for fixing the carrying end located outside the communication terminal to the surface of the terminal housing.
  • Embodiments of the present invention provide a communication system including a communication terminal, a radio frequency smart card as described above, and an external accessory as described above;
  • the communication terminal has a smart card slot.
  • the antenna pin contact is connected with the corresponding external antenna contact on the card body, and the smart card connection end is inserted into the smart card slot of the communication terminal together with the radio frequency smart card to carry The end is located outside the smart card slot.
  • the radio frequency smart card provided by the embodiment of the invention and the external accessory and communication system thereof have a radio frequency function circuit in the radio frequency smart card card; an external antenna contact is additionally added outside the pin area on the pin extension surface of the card body;
  • the accessory comprises a smart card connection end matched with the radio frequency smart card and a carrying end for arranging the circuit main body; wherein the carrying end is specifically provided with an antenna main body coil, and the smart card connecting end is provided with an antenna pin contact corresponding to the antenna main body coil, and the antenna main body coil Connected to the antenna pin contact; when used together, the smart card connection end cooperates with the RF smart card, and the antenna body coil is connected to the RF circuit inside the card through the antenna pin contact and the corresponding external antenna contact on the card body, the smart card The connection end is inserted into the smart card slot of the communication terminal along with the radio frequency smart card; and the bearer end of the antenna main body coil is left outside the smart card card slot.
  • the invention can additionally add a contact specially used for connecting an external antenna on the radio frequency smart card, and can make no modification to the original pin of the radio frequency smart card, thereby ensuring the integrity and reliability of the original function of the radio frequency smart card, and realizing the antenna.
  • this structure has at least the following advantages:
  • the antenna setting that satisfies the performance requirement of the radio frequency communication can be completed in a sufficient space to ensure the reliability and stability of the radio frequency communication.
  • FIG. 1 is a schematic diagram of a radio frequency SIM card according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a radio frequency SIM card provided with multiple external antenna contacts according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of another radio frequency SIM card provided with multiple external antenna contacts according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a radio frequency SD card according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic diagram of a radio frequency SD card provided with multiple external antenna contacts according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a radio frequency SIM card provided with an external circuit contact according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a radio frequency SD card provided with an external circuit contact according to Embodiment 1 of the present invention.
  • FIG. 8 is a schematic diagram of a radio frequency SIM card provided with only external circuit contacts according to Embodiment 1 of the present invention.
  • FIG. 9 is a schematic diagram of a radio frequency SD card provided with only external circuit contacts according to Embodiment 1 of the present invention.
  • 10-1 is a schematic diagram 1 of an external accessory according to Embodiment 2 of the present invention.
  • 10-2 is a second schematic diagram of an external accessory according to Embodiment 2 of the present invention.
  • 10-3 is a schematic diagram 3 of an external accessory according to Embodiment 2 of the present invention.
  • 10-4 is a schematic diagram 4 of an external accessory according to Embodiment 2 of the present invention.
  • FIG. 11 is a schematic diagram of a connection between a smart card connection end and a radio frequency SIM card according to Embodiment 2 of the present invention.
  • FIG. 12 is a schematic diagram of an external accessory having multiple antenna body coils according to Embodiment 2 of the present invention.
  • FIG. 13 is a schematic diagram of an external accessory of a hollow structure according to Embodiment 2 of the present invention.
  • FIG. 14 is a schematic diagram of an external accessory of a double-sided contact structure according to Embodiment 2 of the present invention.
  • FIG. 15 is a schematic diagram of an external accessory that cooperates with a radio frequency SD card according to Embodiment 2 of the present invention.
  • FIG. 16 is a schematic diagram of an external accessory with an external function circuit according to Embodiment 2 of the present invention.
  • FIG. 17 is a schematic diagram of an external accessory with an external function circuit cooperated with a radio frequency SD card according to Embodiment 2 of the present invention.
  • FIG. 18 is a schematic diagram of an external accessory inserted into a card slot according to Embodiment 2 of the present invention.
  • FIG. 19 is a schematic view showing the pasting of the external accessory according to the second embodiment of the present invention.
  • the present invention is applicable to all communication terminals inserted into a smart card, including mobile terminals such as mobile phones, PADs, and mPOS machines, and is of course also applicable to fixed terminals that are fixedly installed in various places such as parking lots, supermarkets, toll stations, and the like.
  • mobile terminals such as mobile phones, PADs, and mPOS machines
  • fixed terminals that are fixedly installed in various places such as parking lots, supermarkets, toll stations, and the like.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the embodiment provides a radio frequency smart card, which may be a radio frequency subscriber identification card (SIM) or a radio frequency memory card.
  • SIM radio frequency subscriber identification card
  • the radio frequency subscriber identification card When the radio frequency subscriber identification card is used, it may be an ordinary subscriber identity card or a micro subscriber identity card having a radio frequency function;
  • Common user identification cards include, but are not limited to, a normal SIM card, a normal UIM card, or a normal USIM card.
  • Micro-user identification cards include, but are not limited to, a micro SIM card, a micro UIM card, or a mini USIM card.
  • the micro SIM card, the micro UIM card or the micro USIM card can have uniform design standards (such as size and shape) for the Micro SIM card, the Nano SIM card, the Micro UIM card, the Nano UIM card or the Micro USIM card, the Nano USIM card, etc.
  • micro SIM card, micro UIM card or micro USIM card; ordinary SIM card, ordinary UIM card or common USIM card can be made of a modular design standard (such as size, shape, etc.) such as a Plug-in SIM card, A standard SIM card, a standard UIM card, or a standard USIM card, such as a Plug-in type UIM card or a Plug-in type USIM card.
  • radio frequency memory card When it is a radio frequency memory card, it can be a normal SD card with radio frequency communication function, or a micro SD card (MicroSD).
  • radio frequency smart card In the radio frequency smart card in this embodiment, an antenna that integrates any radio frequency communication function may not be used. Of course, some antennas may be integrated according to actual needs, for example, an antenna with relatively low performance requirements is integrated.
  • the radio frequency smart card in this embodiment includes a card body, and the radio frequency function circuit is disposed in the card body.
  • the specific structure of the radio frequency function circuit and the implemented functions can be flexibly set according to specific requirements.
  • the side of the card body on which the smart card pins are disposed is referred to as a pin extension surface.
  • an external antenna contact is additionally added to each pin area on the protruding surface of the pin (ie, the area occupied by the original pin of the RF smart card), and the external antenna contact extends to the end of the card body and the card.
  • the RF function circuit of the body is connected, and the other end of the external antenna contact extending to the outside of the card body (that is, the end extending outside the card body) is connected with the external accessory of the RF smart card, specifically the antenna pin on the smart card connection end of the external accessory.
  • the contacts are connected to connect the antenna on the external accessory to the RF function circuit in the card body, and provide a hardware foundation for RF communication.
  • the antenna in this embodiment can be used as a card reader antenna in the card reader mode or as an antenna in the card mode.
  • the original pin of the radio frequency smart card can be modified without any modification, and the integrity and reliability of the original function of the radio frequency smart card are ensured.
  • the antenna is disposed outside the radio frequency smart card, so that the setting of the antenna is no longer limited by the internal space limitation of the smart card, and the function expansion is facilitated.
  • the radio frequency smart card is a radio frequency SIM card
  • the radio frequency SIM card supports RCC communication, if it is to be based on this, To extend the NFC communication, it is only necessary to add a corresponding external antenna contact on the RF SIM card, and then connect with the external antenna to realize the corresponding function expansion.
  • the RCC communication function can be extended, and the internal space of the card body is no longer accepted.
  • the limitation of the structure can not only reduce the expansion cost, but also improve the expansion efficiency and the richness and reliability of the functions after the expansion; at the same time, the antenna setting that satisfies the performance requirement of the radio communication can be completed in a sufficient space to ensure the reliability of the radio communication and stability.
  • the radio frequency smart card is a radio frequency SIM card
  • six pins C1, C2, C3, C5, C6, and C7 are disposed on the protruding surface of the card body 11, and the above pins are
  • the protocol standards stipulate that each retains its original function. For example, according to ETSI The TS 102 221 V11.1.0 standard states:
  • C7 Data I/O port.
  • Pins C4 and C8 are not provided in this protocol, that is, pins C4 and C8 are reserved.
  • the functions of the radio frequency SIM card pins in this embodiment may not be limited to the above exemplary functions, and the functions between the pins may even be interchanged according to different standard protocols.
  • radio frequency function circuit in this embodiment may include an antenna matching circuit corresponding to each external antenna, or may not include an antenna matching circuit, and the antenna matching circuit is directly disposed in the external accessory.
  • the shapes of the external antenna contacts A1 and A2 may be the same as the shape of the pins of the radio frequency SIM card itself, or may be inconsistent, and the heights of the two may be flush.
  • the external antenna contacts A1 and A2 are in the shape of a square, which is inconsistent with the shape of the pins of the radio frequency SIM card itself.
  • each external antenna contact has a corresponding pair of antenna pin contacts on the smart card connection end.
  • the three external antenna contacts are A1 and A2, B1 and B2, D1 and D2, respectively.
  • the external antenna contacts can be externally connected to the antenna pin contacts of different types of external antennas.
  • the external antenna contacts A1 and A2 can be used to connect with the 2.4 GHz external antenna, and the external antenna contacts B1 and B2 can be used with 13.56.
  • the external antenna of the MHZ is connected, and the external antenna contacts D1 and D2 can be used to connect to an external antenna below 4KHZ.
  • some of the external antenna contacts can also be reserved for use as spare contacts for subsequent functional expansion.
  • 3 differs from FIG. 2 in that the shape of the external antenna contacts is different, and the shape of the external antenna contacts in FIG. 3 is elliptical.
  • the specific arrangement area and the distribution manner of the external antenna contacts on the card body 11 in this embodiment can also be flexibly changed.
  • the external antenna contact may be disposed in an intermediate portion of the pin extension surface of the card body 11, or the external antenna contact may be disposed in an area enclosed by the pins of the card body 11 on the pin extension surface. It is of course also possible to provide an external antenna contact to an edge region or a corner region of the card body 11 or the like.
  • FIG. 4 shows the SD card body 21 of the RF memory card.
  • the pin body of the SD card body 21 has 9 pins of the SD card itself, and the definition of 9 pins is shown in Table 1. Show.
  • external antenna contacts A11 and A12 are additionally disposed on the pin extension surface of the SD card body 21, and the external antenna contacts A11 and A12 are connected to the RF function circuit inside the SD card body 21.
  • the number of external antenna contacts on the SD card body 21, the specific conductive material of the shape, and the like can also be flexibly selected and set.
  • the SD card body 21 shown in the figure is provided with 3 external wire contacts, which are A11 and A12, B11 and B12, D11 and D12, respectively.
  • the specific arrangement area and distribution mode of the external antenna contact on the SD card body 21 can also be flexibly changed.
  • the external antenna contact may be disposed in an intermediate portion of the pin extension surface of the SD card body 21.
  • the external antenna contact may be provided in an edge region or a corner region of the SD card body 21.
  • an external circuit contact may be disposed outside the pin area of the pin extension surface of the radio frequency smart card, and the external circuit contact is in the card body.
  • the extended end can be directly connected to the RF function circuit in the card body, or directly connected to the power pin on the card body, and the other end of the external circuit contact extends to the circuit pin contact on the smart card connection end.
  • the shape, the number, the installation area, and the conductive material of the external circuit contacts can be set with reference to the external antenna contacts.
  • the RF SIM card can be used as a contactless card reader to communicate with other contactless cards to realize value-added services.
  • the RF SIM card can be used as an ordinary contactless type.
  • the card communicates with other non-contact card readers and/or non-contact cards.
  • the external circuit in this embodiment may be a radio frequency function circuit in addition to the working mode switching control circuit.
  • the RF function circuit in the RF SIM card can be externally placed.
  • the above example circuit is merely an easy-to-understand example. According to specific scene requirements, any radio frequency communication package and/or other circuits such as a light sensing circuit, a magnetic sensing circuit, and other functions with human-computer interaction may be disposed on the radio frequency SIM card. outer.
  • the external circuit contacts and the external antenna contacts in this embodiment may be flush with each other, and the shapes of the two may also be set to be uniform.
  • an external circuit contact only in the radio frequency smart card body without providing an external antenna contact. If there is an external antenna at this time, the external antenna can be directly connected to the external functional circuit. For example, as shown in FIG. 8 and FIG. 9, only the external circuit contacts are provided on the radio frequency SIM card body 11 and the radio frequency SD card body 21.
  • an external antenna contact and/or an external circuit contact may be additionally disposed on the radio frequency smart card body to realize an external connection of the external antenna and/or the external function circuit of the radio frequency smart card, and the extra space of the radio frequency smart card is not additionally performed.
  • the convenient and reliable function expansion of the RF smart card function is realized, and the reliability and stability of the RF communication are ensured, thereby improving the satisfaction of the user experience.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the external accessory body can be flexibly printed (Flexible Printed) Circuit, FPC) implementation, of course, can also be achieved through other flexible materials.
  • the utility model comprises a smart card connection end matched with the radio frequency smart card and a bearing end for arranging the circuit main body; in the embodiment, the carrier end is provided with an antenna main body coil, and the smart card connection end is provided with an antenna pin contact corresponding to the antenna main body coil, The antenna body coil is connected to the antenna pin contact;
  • the smart card connection end When used together, the smart card connection end cooperates with the radio frequency smart card, the antenna pin contact is connected with the corresponding external antenna contact on the card body, and the smart card connection end is inserted into the smart card card slot together with the radio frequency smart card.
  • the adhesive filling material may be filled between the two, and the filling material filling between the two can increase the reliability of the connection, and can also ensure the reliability.
  • the surface of the smart card is connected to the RF smart card and its surface is flat. Relatively straight to the welding process, the connection is more direct, simple and reliable.
  • the contour shape and size of the smart card connection end of the external accessory can be matched with the contour shape and size of the RF smart card body to improve the convenience and reliability of the connection; and the contour shape of the smart card connection end is inserted into the communication with the RF smart card.
  • the contour shape is consistent, that is, it matches the space of the radio frequency smart card reserved in the communication terminal card slot.
  • the RF SIM card is first described as an example. See Figure 10-1 to Figure 10-4.
  • 31 is the smart card connection end of the external accessory, and 32 is the antenna body coil of the carrier end.
  • the smart card connection end 31 is provided with antenna pin contacts 311 and 312 for connecting with corresponding external antenna contacts on the smart SIM card body, thereby connecting the antenna body coil 32 with the radio frequency function circuit in the smart SIM card.
  • the contour shape and size of the smart card connection end 31 are adapted to the contour shape and size of the smart SIM card body; the criterion for determining whether to adapt here may be the smart card connection end 31 and the radio frequency.
  • the criterion for determining whether to adapt here may be the smart card connection end 31 and the radio frequency.
  • FIG. 10-1 to FIG. 10-4 provide four contour shapes that are compatible with the four insertion directions of the radio frequency SIM card.
  • the four shapes herein are merely example shapes and can be flexibly adjusted according to the specific insertion direction.
  • FIG. 1 a schematic diagram of the connection between the smart card connection end 31 and the radio frequency SIM card is shown in the side view shown in FIG.
  • the smart card connection end 31 is provided with antenna pin contacts 311 and 312 on the FPC 30, and the antenna pin contacts 311 and 312 are connected to the corresponding external antenna contacts on the radio frequency SIM card body 11, and then at the smart card connection end 31 and the card.
  • the fillers 33 are filled between the bodies 11 and the fillers 33 are provided to improve the reliability of the connection between the smart card connection end 31 and the card body 11, and to ensure the flatness of the FPC 30 for subsequent insertion into the card slot.
  • At least two sets of antenna body coils may be disposed in the carrying end, and at least two pairs of antenna pin contacts corresponding to the antenna main body coils are disposed on the smart card connecting end, and one set of antenna main body coils are connected to the pair of antenna pin contacts. Point; correspondingly, at least two pairs of corresponding external antenna contacts are arranged on the card body of the radio frequency smart card. It should be understood that the material, the routing mode and the shape of the coil of the antenna body in the embodiment can be flexibly set according to specific requirements. Referring to FIG.
  • the carrier end shown in the figure is provided with three sets of antenna main coils, which are respectively 321, 322, 323, and the shapes of the coils of the three sets of antenna main bodies are different, and the specific functions of the three sets of antenna main body coils can be Flexible settings according to specific needs.
  • the antennas of different shapes are compatible with different communication terminal shapes, and can ensure the stability of the circuit module or the stability of the RF signal of the RF smart card.
  • each area corresponding to the pin of the radio frequency smart card may be set to be hollowed out to ensure that the pin on the radio frequency smart card can be inserted after the smart card connection end 31 is inserted into the card slot along with the radio frequency smart card.
  • the contact with the corresponding contact in the card slot is reliably contacted; see the dotted line in Figure 13 for the hollowing out, so that the pin on the RF smart card can be reliably contacted with the corresponding contact in the card slot.
  • the smart card connection end 31 cooperated with the smart card connection end 31 as shown in FIG. 15.
  • the smart card connection end 31 can also set the corresponding contour shape according to different insertion directions of the radio frequency SD card; the smart card connection end 31 and the radio frequency SD card in FIG.
  • the 9 pins correspond to 9 double-sided pins (shown by black square pins in the figure).
  • the corresponding part can also be set to be hollowed out, so that the pins of the RF SD card are directly in contact with the corresponding contacts in the card slot.
  • the external component carrying end can also be provided with an external functional circuit
  • the smart card connecting end is also provided with a corresponding circuit pin contact.
  • the circuit pin contact corresponds to the card body.
  • the external circuit contacts are connected or connected to the power pins on the card body.
  • the external accessory is an accessory of the radio frequency SIM card
  • the external function circuit is connected with the circuit pin contact on the smart card connection end 31, and the circuit pin contact is on the radio frequency SIM card body.
  • the corresponding external circuit contacts are connected to realize the connection of the external function circuit with the RF function circuit in the RF SIM card; the circuit pin contacts on the smart card connection terminal 31 can also be directly connected to the power pins on the RF SIM card.
  • the smart card in this embodiment may not even set any radio frequency function circuit, but directly set the radio frequency function circuit outside the smart card.
  • an external function circuit is disposed outside the SD card (the circuit can implement any radio frequency function).
  • the function of the circuit), the antenna main body coil 32 can be directly connected with the external functional circuit, and the external functional circuit is connected with the power supply pin on the SD card, and the SD card at this time only supplies power to the external functional circuit.
  • the external accessory of the radio frequency smart card may further include an adhesive layer adapted to the bearer end, and is used to extend the outbound terminal end of the terminal after the smart card connection end is inserted into the smart card slot of the communication terminal along with the radio frequency smart card. It is fixed to the surface of the terminal housing.
  • the absorbing material may be disposed at the carrying end.
  • a protective strip with better wear resistance can be provided, and the exposed load-bearing end can be completely covered with the protective sticker, which can obtain good protection. And can play an aesthetic role. See Figure 18 and Figure 19 for the specific connection process.
  • the smart card connection end 31 of the radio frequency smart card and the external accessory is connected as described above, and then inserted into the card slot 41 of the communication terminal 4, and the antenna main body coil 32 end of the external accessory 31 is exposed, and will be directly exposed.
  • Part of the FPC sticks to the surface of the back shell of the communication terminal, and then the bare FPC part is completely covered with the designed color paste 5 (ie, the protective sticker).
  • Color paste 5 can be made of wear-resistant materials, so it can play a very good protection for bare FPC.
  • the color paste pattern is specially designed for the product, which is more beautiful and can enhance user experience satisfaction.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

Selon les modes de réalisation, la présente invention concerne une carte à puce radiofréquence et un accessoire externe associé, et un système de communication. Par ajout supplémentaire d'un contact pour connecter exclusivement une antenne externe à une carte à puce radiofréquence, l'intégrité et la fiabilité d'une fonction d'origine de la carte à puce radiofréquence sont assurées, et en même temps, l'antenne est disposée à l'extérieur de la carte à puce radiofréquence, de sorte que l'agencement de l'antenne n'est plus limité par la structure d'espace interne d'un corps de carte.
PCT/CN2018/074363 2017-03-24 2018-01-26 Carte à puce radiofréquence et son accessoire externe, et système de communication Ceased WO2018171333A1 (fr)

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