Passive short-range communication device, method, apparatus, computer device, storage medium, and computer program

Abstract

The present disclosure provides a passive near field communication device, method and apparatus, the device comprising: a wake-up tuning coil, a communication antenna coil and an NFC chip, the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device, the communication antenna coil is coupled to the NFC chip and is tuned to the carrier frequency band of the card reader device.

Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to a Chinese patent application filed with the State Intellectual Property Office of the People's Republic of China on November 27, 2023, bearing application number 2023116075473 and entitled "Passive short-range communication device, method and apparatus," the entire contents of which are incorporated herein by reference.

[0002] Technical Field The present disclosure relates to the field of communications technology, and more particularly to passive short-range communications devices, methods and apparatus. [Background technology]

[0003] Currently, NFC (Near Field Communication) payment methods are primarily used for bus / subway payments and some bank card payments. On the device side, NFC primarily operates in active mode, recognizing bus / subway cards, some bank cards, and emulated cards on mobile phones, and completing offline payments through withdrawals. However, in situations where power is unavailable 24 hours a day, such as for small businesses, even battery-powered withdrawal devices may be out of power. In such cases, the withdrawal device must operate in passive mode to enable communication and complete payments. Furthermore, some mobile phones are incompatible with the card emulation mode of standalone systems. To accommodate this user need, our withdrawal devices must also operate in passive mode.

[0004] Therefore, how to enable NFC withdrawal devices to complete payments under conditions of no power supply is currently a technical issue that needs to be resolved urgently. Summary of the Invention [Means for solving the problem]

[0005] The objective of the present disclosure is to provide a passive near field communication device to at least solve the technical problem in the related art that NFC withdrawal devices are less likely to complete payments under conditions of no power supply.

[0006] According to one aspect of the present disclosure, a wake-up tuning coil, a communication antenna coil, and an NFC chip; the wake-up tuning coil is a bare wire coil, and the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device; The passive near field communication device is provided, in which the communication antenna coil is coupled to the NFC chip and tuned to the carrier frequency band of the card reader device.

[0007] In one exemplary embodiment, the position of the wake-up tuning coil is determined based on the position of an NFC antenna included in the card reader device.

[0008] In one exemplary embodiment, the wake-up tuning coil comprises a first wake-up tuning coil; The first wake-up tuning coil and the communication antenna coil are coplanar or lie parallel to each other between their planes, and the induction magnetic fields in the coils overlap.

[0009] In one exemplary embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device and is used to couple with an antenna in the middle or lower half of the card reader device.

[0010] In one exemplary embodiment, the first wake-up tuning coil has a rectangular or oblate shape and is used to couple with a rectangular or oblate antenna of the card reader device.

[0011] In one exemplary embodiment, the wake-up tuning coil comprises a second wake-up tuning coil; The second wake-up tuning coil is located on the upper side of the passive near field communication device and is used to couple with the upper antenna of the card reader device.

[0012] In one exemplary embodiment, the second wake-up tuning coil has a stripe shape and is used to couple with an upper stripe antenna of the card reader device.

[0013] According to another aspect of the present disclosure, receiving a low-power card detection carrier of the card reader device through a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device; the wake-up tuning coil generates a wake-up induction magnetic field for canceling a low-power card detection mode of the card reader device when receiving a low-power card detection carrier from the card reader device; receiving a full power card detection carrier of the card reader device through a communication antenna coil coupled to an NFC chip and tuned to a carrier frequency band of the card reader device; The present invention further provides a passive short-range communication method, which includes the steps of: generating a communication induction magnetic field when the communication antenna coil receives a full-power card detection carrier of the card reader device; and communicating with the card reader device based on the communication induction magnetic field.

[0014] In one exemplary embodiment, the step of receiving a low power card detect carrier of a card reader device via a wake-up tuning coil includes: The method includes receiving a low-power card detection carrier of the card reader device through a first wake-up tuning coil that is coplanar with the communication antenna coil or whose planes are parallel to each other and whose induction magnetic fields overlap.

[0015] In one exemplary embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device and is used to couple with an antenna in the middle or lower half of the card reader device.

[0016] In one exemplary embodiment, the first wake-up tuning coil has the same shape as a rectangular or oblate antenna of the card reader device.

[0017] In one exemplary embodiment, the step of receiving a low power card detect carrier of a card reader device via a wake-up tuning coil includes: receiving a low-power card detection carrier transmitted from an antenna on the upper side of the card reader device via a second wake-up tuning coil located on the upper side of the passive near field communication device.

[0018] In one exemplary embodiment, the second wake-up tuning coil has the same shape as the upper stripe antenna of the card reader device.

[0019] According to another aspect of the present disclosure, a first receiving module used to receive a low-power card detection carrier of the card reader device via a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device; a wake-up module configured to generate a wake-up induction magnetic field by the wake-up tuning coil when receiving a low-power card detection carrier from the card reader device, for causing the card reader device to exit a low-power card detection mode; a second receiving module coupled to an NFC chip and used for receiving a full-power card detection carrier of the card reader device through a communication antenna coil tuned to a carrier frequency band of the card reader device; The present invention further provides a passive near-field communication device, comprising: a communication module used to generate a communication induction magnetic field by the communication antenna coil when a full-power card detection carrier of the card reader device is received, and to communicate with the card reader device based on the communication induction magnetic field.

[0020] In one exemplary embodiment, the first receiving module comprises: The first receiving unit is used to receive a low-power card detection carrier of the card reader device via a first wake-up tuning coil, the first wake-up tuning coil being coplanar with the communication antenna coil or the planes on which they lie are parallel to each other, and the induction magnetic fields in the coils overlap.

[0021] In one exemplary embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device and is used to couple with an antenna in the middle or lower half of the card reader device.

[0022] In one exemplary embodiment, the first wake-up tuning coil has the same shape as a rectangular or oblate antenna of the card reader device.

[0023] In one exemplary embodiment, the first receiving module comprises: and a second receiving unit used to receive a low-power card detection carrier transmitted from an upper antenna of the card reader device via a second wake-up tuning coil located on the upper side of the passive near-field communication device.

[0024] In one exemplary embodiment, the second wake-up tuning coil has the same shape as the upper stripe antenna of the card reader device.

[0025] According to another aspect of an embodiment of the present disclosure, there is further provided a computing device comprising a processor and a storage device suitable for implementing instructions, the device storing a plurality of instructions, the instructions being suitable for being loaded by the processor to perform any one of the passive short-range communication methods described above.

[0026] According to another aspect of the present disclosure, there is further provided a computer-readable storage medium having stored thereon a computer program for performing any one of the above passive short-range communication methods.

[0027] According to another aspect of an embodiment of the present disclosure, there is further provided a computer program product including a computer program that, when executed by a processor, implements any one of the passive short-range communication methods described above.

[0028] The technical solution of the present disclosure will be described in more detail below through the drawings and examples. [Brief explanation of the drawings]

[0029] The following drawings are intended to schematically explain and interpret the present disclosure and are not intended to limit the scope of the present disclosure. [Figure 1] FIG. 1 is a diagram illustrating a configuration of a passive short-range communication device according to an embodiment of the present disclosure. [Figure 2] FIG. 2 is a schematic diagram of a coil structure of a passive near-field communication device according to one optional embodiment of the present disclosure. [Figure 3] 1 is a flowchart of a passive short-range communication method according to an embodiment of the present disclosure. [Figure 4] FIG. 1 is a configuration diagram of a passive short-range communication device according to an embodiment of the present disclosure. [Figure 5] FIG. 1 is a schematic diagram illustrating the configuration of a computer device according to an embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0030] The present application will be described in more detail below through figures and examples, which will make the features and advantages of the present application more apparent.

[0031] The word "exemplary" as used herein means "serving as an example, instance, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments. While various aspects of the embodiments are illustrated in drawings, the drawings are not necessarily drawn to scale unless specifically noted.

[0032] In addition, the technical features according to different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.

[0033] To better explain the embodiments of the present invention, terminology related to the embodiments of the present invention is explained as follows.

[0034] NFC: A short-range, high-frequency wireless communication technology.

[0035] NFC active mode: In active mode, the NFC terminal acts as a card reader, emitting a radio frequency field and can recognize and read / write information from passive NFC devices.

[0036] NFC passive mode (card emulation): In this mode, the NFC-enabled device is emulated as a card and only passively responds to radio frequency fields emitted by other devices to read / write information.

[0037] LPCD (Low Power Card Detection) mode: When detecting an NFC slave device, the mobile phone will enter low power mode after a certain time interval of unlocking to save power consumption, and the detected card will also enter LPCD mode.

[0038] Normal card detection mode: To improve the speed and success rate of NFC, the mobile phone maintains full power card detection for a certain period of time after unlocking, i.e., normal card detection mode. Both the LPCD and normal detection modes use a 13.56MHz sine wave emitted by the mobile phone, with only differences in transmission time and amplitude, and couple energy through a coil.

[0039] In this embodiment, a passive short-range communication device is provided. FIG. 1 is a block diagram of the passive short-range communication device according to the embodiment of the present disclosure. As shown in FIG. 1, It includes a wake-up tuning coil and a communication antenna coil.

[0040] The passive near field communication device also includes an NFC chip (not shown in FIG. 1 ), which can receive instructions sent from the card reader device via the communication antenna and perform read and write operations according to the instructions.

[0041] The wake-up tuning coil is a bare wire coil, and the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device.

[0042] The bare wire coil may be an LC oscillator circuit that is not connected to the NFC chip.The card reader device may be an NFC-enabled mobile phone.

[0043] The communication antenna coil is coupled to the NFC chip and tuned to the carrier frequency band of the card reader device, where "coupled" refers to the communication antenna coil being connected to the NFC chip.

[0044] The resonance point of the wake-up tuning coil and the carrier frequency band of the card reader device may be 13.56 MHz.

[0045] The wake-up tuning coil is used to couple with the antenna of the card reader device when the antenna of the card reader device is in proximity, and to cause the card reader device to exit a low-power card detection mode.

[0046] After the card reader device is released from the low-power card detection mode, it can enter the full-power card detection mode.

[0047] The card reader device may be in proximity to the wake-up tuning coil in the low-power card detection mode and induce the wake-up tuning coil to generate an induction magnetic field, thereby waking up the full-power card detection mode of the card reader device.

[0048] The communication antenna coil is used to communicate with the card reader device in a full-power card detection mode of the card reader device.

[0049] The communication antenna coil may generate load modulation on the communication antenna coil through the NFC chip to complete communication with the card reader device.

[0050] In an embodiment of the present disclosure, the wake-up tuning coil is a bare wire coil, the resonance point of which is the same as the carrier frequency band of the card reader device, the communication antenna coil is connected to an NFC chip and tuned to the carrier frequency band of the card reader device, the wake-up tuning coil is coupled to the antenna of the card reader device when the antenna of the card reader device approaches and is used to exit the low-power card detection mode of the card reader device, and the communication antenna coil is used to communicate with the card reader device in the full-power card detection mode of the card reader device. This solves the technical problem in the related art that NFC withdrawal devices cannot complete payment when power is not supplied, and the wake-up tuning coil, which is a bare wire coil provided in the passive near field communication device, wakes up the card reader device in the low-power card detection mode and then communicates with the card reader device at full power through the communication antenna coil, thereby completing payment when power is not supplied and improving the coupling effect with the card reader device in the low-power mode.

[0051] In one exemplary embodiment, the wake-up tuning coil comprises a first wake-up tuning coil.

[0052] The first wake-up tuning coil and the communication antenna coil are coplanar or lie parallel to each other between their planes, and the induction magnetic fields in the coils overlap.

[0053] Preferably, the first wake-up tuning coil and the communication antenna coil may be arranged in the passive short-range communication device in an embedded parallel circumferential manner.

[0054] According to the above embodiment, the first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other between their planes, and the induction magnetic fields in the coils are overlapped, so that the passive near-field communication device can communicate with the card reader device immediately after waking up the card reader device, and at the same time, achieve the technical effect of space saving.

[0055] In one exemplary embodiment, the position of the wake-up tuning coil is determined based on the position of an NFC antenna included in the card reader device. In practice, the passive near-field communication device may be, for example, an NFC tag card (hereinafter simply referred to as an NFC card), or a mobile phone may be used as a card reader device. Therefore, the position of the wake-up tuning coil on the NFC card can be determined according to the position of the NFC antenna on the mobile phone. According to user usage habits, when a user reads an NFC card through a mobile phone, the user usually brings the top of the mobile phone close to the NFC card. According to this usage habits, for a mobile phone whose NFC antenna is located on the top of the mobile phone, the wake-up tuning coil on the NFC card may be located on the top of the NFC card, and for a mobile phone whose NFC antenna is located in the middle of the mobile phone, the wake-up tuning coil on the NFC card may be located in the middle or lower half of the NFC card. To improve the card reading effect of both of the above two types of mobile phones, one wake-up tuning coil may be provided on the upper side of the NFC card, and another wake-up tuning coil may be provided in the middle or lower half of the NFC card.

[0056] By providing a wake-up tuning coil on the NFC card as described above, when a user brings their mobile phone close to the NFC card, the position of the wake-up tuning coil on the NFC card and the position of the NFC antenna on the mobile phone will be widely opposed, making it easier for the NFC card to receive the LPCD mode electromagnetic signal transmitted from the mobile phone, and also easier for the card reader device to receive the electromagnetic signal transmitted by the NFC card based on this received electromagnetic signal, thereby improving the probability that the card reader device will convert to normal card detection mode, i.e., improving the success rate of NFC recognition.

[0057] In one exemplary embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near field communication device for coupling with an antenna in the middle or lower half of the card reader device.

[0058] For example, the card reader device may be a mainstream Android system mobile phone, and this kind of card reader device usually has an antenna located in the middle or lower half of the device.

[0059] According to the above embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device and is used to couple with the antenna in the middle or lower half of the card reader device, thereby improving the convenience of combining the passive near-field communication device with mainstream card reader devices.

[0060] In one exemplary embodiment, the first wake-up tuning coil has a rectangular or oblate shape and is used to couple with a rectangular or oblate antenna of the card reader device.

[0061] For example, the card reader device may be an Android mobile phone, and this type of card reader device usually has an antenna in a rectangular or oblate shape.

[0062] According to the above embodiment, the shape of the first wake-up tuning coil is rectangular or oblate, so that it can be coupled with the rectangular or oblate antenna of the card reader device, thereby improving the coupling effect between this passive near-field communication device and mainstream card reader devices.

[0063] In one exemplary embodiment, the wake-up tuning coil comprises a second wake-up tuning coil.

[0064] The second wake-up tuning coil is located on the upper side of the passive near field communication device and is used for coupling with the upper antenna of the card reader device.

[0065] For example, the card reader device may be a mobile phone with an iOS system, and this kind of card reader device usually has an antenna on the top side of the device.

[0066] According to the above embodiment, the second wake-up tuning coil is located on the upper side of the passive near-field communication device and is used to couple with the upper antenna of the card reader device, thereby improving the convenience of combining the passive near-field communication device with an iOS system type card reader device.

[0067] In one exemplary embodiment, the second wake-up tuning coil has a stripe shape and is used for coupling with an upper stripe antenna of the card reader device.

[0068] For example, the card reader device may be a mobile phone with an iOS system, and this kind of card reader device usually has an antenna in a stripe shape.

[0069] According to the above embodiment, the first wake-up tuning coil is striped and is used to couple with the striped antenna of the card reader device, thereby improving the coupling effect between the passive near-field communication device and the iOS system type card reader device.

[0070] FIG. 2 is a schematic diagram of a coil structure of a passive near-field communication device in one optional embodiment of the present disclosure, which includes a first wake-up tuning coil 201, a second wake-up tuning coil 202, and a communication antenna coil 203, as shown in FIG.

[0071] Among them, the rectangular second wake-up tuning coil 202 and the communication antenna coil 203 are embedded in the lower half of the passive short-range communication device in a parallel spiral arrangement, and the stripe-shaped first wake-up tuning coil 201 is disposed on the upper side of the passive short-range communication device.

[0072] According to another aspect of an embodiment of the present disclosure, there is further provided a passive short-range communication method, and FIG. 3 is a flowchart of the passive short-range communication method according to the embodiment of the present disclosure, which includes the following steps:

[0073] Step 302: Receive a low-power card detection carrier of the card reader device through a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device.

[0074] The bare wire coil may be an LC oscillator circuit that is not connected to the NFC chip.The card reader device may be an NFC-enabled mobile phone.

[0075] Step 304: The wake-up tuning coil generates a wake-up induction magnetic field according to the low-power card detection carrier to release the low-power card detection mode of the card reader device.

[0076] The resonance point of the wake-up tuning coil and the carrier frequency band of the card reader device may be 13.56 MHz. After the card reader device is released from the low-power card detection mode, it can enter a full-power card detection mode.

[0077] Step 306: Receive a full-power card detection carrier of the card reader device through a communication antenna coil coupled to the NFC chip and tuned to the carrier frequency band of the card reader device.

[0078] The card reader device may be in proximity to the wake-up tuning coil in the low-power card detection mode and induce the wake-up tuning coil to generate an induction magnetic field, thereby waking up the full-power card detection mode of the card reader device.

[0079] Step 308: The communication antenna coil generates a communication induction magnetic field in response to a full-power card detection carrier, and communicates with the card reader device based on the communication induction magnetic field.

[0080] The communication antenna coil may generate load modulation on the communication antenna coil through the NFC chip to complete communication with the card reader device.

[0081] Specifically, the communication antenna coil provides a full-power card detection carrier signal including a read command to the NFC chip, and the NFC chip obtains data stored in the NFC chip in response to the read command and modulates the load of the communication antenna coil based on the data, causing the communication antenna coil to generate a communication induction magnetic field. The card reader device receives the data by receiving the communication induction magnetic field. Also, referring to FIG. 2, after the card reader device enters the full-power card detection mode, if the card reader device is an iOS mobile phone, a signal can be transmitted between the antenna of the card reader device and the communication antenna coil 203 via the first wake-up tuning coil 201, thereby improving the communication effect.

[0082] Through steps 302 to 308, the low-power card detection carrier of the card reader device is received via a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device. When the wake-up tuning coil receives the low-power card detection carrier of the card reader device, it generates a wake-up induction magnetic field for canceling the low-power card detection mode of the card reader device. The full-power card detection carrier of the card reader device is received via a communication antenna coil that is connected to the NFC chip and tuned to the carrier frequency band of the card reader device. When the communication antenna coil receives the full-power card detection carrier of the card reader device, it generates a communication induction magnetic field and communicates with the card reader device based on the communication induction magnetic field. This solves the technical problem in related technologies that makes it difficult for NFC withdrawal devices to complete payments when there is no power supply. The passive near-field communication device uses a wake-up tuning coil in the bare wire coil to wake up the card reader device in low-power card detection mode, and then communicates with the card reader device at full power via the communication antenna coil, thereby achieving payment completion when there is no power supply and improving the coupling effect with the card reader device in low-power mode.

[0083] In one exemplary embodiment, the step of receiving a low power card detect carrier of a card reader device via a wake-up tuning coil includes: The method includes receiving a low-power card detection carrier of the card reader device via a first wake-up tuning coil that is coplanar with the communication antenna coil or whose planes are parallel to each other and whose induction magnetic fields overlap.

[0084] Preferably, the first wake-up tuning coil and the communication antenna coil may be arranged in the passive short-range communication device in an embedded parallel circumferential manner.

[0085] According to the above embodiment, the first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other in their planes, and the induction magnetic fields in the coils are overlapped, so that the passive near-field communication device can communicate with the card reader device immediately after waking up the card reader device, while achieving the technical effect of saving space.

[0086] In one exemplary embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near field communication device and is used for coupling with an antenna in the middle or lower half of the card reader device.

[0087] For example, the card reader device may be a mainstream Android system mobile phone, and this kind of card reader device usually has an antenna located in the middle or lower half of the device.

[0088] According to the above embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device to couple with the antenna in the middle or lower half of the card reader device, thereby improving the convenience of combining the passive near-field communication device with mainstream card reader devices.

[0089] In one exemplary embodiment, the first wake-up tuning coil has the same shape as the rectangular or oblate antenna of the card reader device.

[0090] For example, the card reader device may be an Android mobile phone, and this type of card reader device usually has an antenna in a rectangular or oblate shape.

[0091] According to the above embodiment, the shape of the first wake-up tuning coil is rectangular or oblate to couple with the rectangular or oblate antenna of the card reader device, thereby improving the coupling effect between this passive near-field communication device and mainstream card reader devices.

[0092] In one exemplary embodiment, the step of receiving a low power card detect carrier of a card reader device via a wake-up tuning coil includes: receiving a low-power card detection carrier transmitted from an antenna on the upper side of the card reader device via a second wake-up tuning coil located on the upper side of the passive near field communication device;

[0093] For example, the card reader device may be a mobile phone with an iOS system, and this kind of card reader device usually has an antenna on the top side of the device.

[0094] According to the above embodiment, the second wake-up tuning coil is positioned on the upper side of the passive near-field communication device to couple with the upper antenna of the card reader device, thereby improving the convenience of combining the passive near-field communication device with an iOS system type card reader device.

[0095] In one exemplary embodiment, the second wake-up tuning coil has the same shape as the upper stripe antenna of the card reader device.

[0096] For example, the card reader device may be a mobile phone with an iOS system, and this kind of card reader device usually has an antenna in a stripe shape.

[0097] According to the above embodiment, the first wake-up tuning coil is striped in shape to couple with the striped antenna of the card reader device, thereby improving the coupling effect between the passive near-field communication device and the iOS system type card reader device.

[0098] According to another aspect of an embodiment of the present disclosure, a passive short-range communication device is further provided, and FIG. 4 is a configuration diagram of a passive short-range communication device according to an embodiment of the present disclosure, which includes a first receiving module 401, a wake-up module 402, a second receiving module 403, and a communication module 404, as shown in FIG.

[0099] The first receiving module 401 is used to receive the low-power card detection carrier of the card reader device through a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device.

[0100] The bare wire coil may be an LC oscillator circuit that is not connected to the NFC chip.The card reader device may be an NFC-enabled mobile phone.

[0101] The wake-up module 402 is used to generate a wake-up induction magnetic field for the wake-up tuning coil to cancel the low-power card detection mode of the card reader device when a low-power card detection carrier of the card reader device is received.

[0102] The resonance point of the wake-up tuning coil and the carrier frequency band of the card reader device may be 13.56 MHz. After the card reader device is released from the low-power card detection mode, it can enter a full-power card detection mode.

[0103] The second receiving module 403 is coupled to the NFC chip and is used to receive the full power card detection carrier of the card reader device through a communication antenna coil tuned to the carrier frequency band of the card reader device.

[0104] The card reader device may be in proximity to the wake-up tuning coil in the low-power card detection mode and induce the wake-up tuning coil to generate an induction magnetic field, thereby waking up the full-power card detection mode of the card reader device.

[0105] When the communication module 404 receives a full power card detection carrier of the card reader device, the communication antenna coil generates a communication induction magnetic field, and is used to communicate with the card reader device based on the communication induction magnetic field.

[0106] The communication antenna coil may generate load modulation on the communication antenna coil through the NFC chip to complete communication with the card reader device.

[0107] In an embodiment of the present disclosure, the wake-up tuning coil is a bare wire coil, the resonance point of which is the same as the carrier frequency band of the card reader device, the communication antenna coil is connected to an NFC chip and tuned to the carrier frequency band of the card reader device, the wake-up tuning coil is coupled to the antenna of the card reader device when the antenna of the card reader device approaches and is used to exit the low-power card detection mode of the card reader device, and the communication antenna coil is used to communicate with the card reader device in the full-power card detection mode of the card reader device. This solves the technical problem in the related art that NFC withdrawal devices cannot complete payment when power is not supplied, and the wake-up tuning coil, which is a bare wire coil provided in the passive near field communication device, wakes up the card reader device in the low-power card detection mode and then communicates with the card reader device at full power through the communication antenna coil, thereby completing payment when power is not supplied and improving the coupling effect with the card reader device in the low-power mode.

[0108] In one exemplary embodiment, the first receiving module comprises: A first receiving unit is provided which is used to receive a low-power card detection carrier of the card reader device via a first wake-up tuning coil which is coplanar with the communication antenna coil or whose planes are parallel to each other and whose induction magnetic fields overlap.

[0109] Preferably, the first wake-up tuning coil and the communication antenna coil may be arranged in the passive short-range communication device in an embedded parallel circumferential manner.

[0110] According to the above embodiment, the first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other between their planes, and the induction magnetic fields in the coils are overlapped, so that the passive near-field communication device can communicate with the card reader device immediately after waking up the card reader device, and at the same time, achieve the technical effect of space saving.

[0111] In one exemplary embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near field communication device for coupling with an antenna in the middle or lower half of the card reader device.

[0112] For example, the card reader device may be a mainstream Android system mobile phone, and this kind of card reader device usually has an antenna located in the middle or lower half of the device.

[0113] According to the above embodiment, the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device to couple with the antenna in the middle or lower half of the card reader device, thereby improving the convenience of combining the passive near-field communication device with mainstream card reader devices.

[0114] In one exemplary embodiment, the first wake-up tuning coil has the same shape as the rectangular or oblate antenna of the card reader device.

[0115] For example, the card reader device may be an Android mobile phone, and this type of card reader device usually has an antenna in a rectangular or oblate shape.

[0116] According to the above embodiment, the shape of the first wake-up tuning coil is rectangular or oblate to couple with the rectangular or oblate antenna of the card reader device, thereby improving the coupling effect between this passive near-field communication device and mainstream card reader devices.

[0117] In one exemplary embodiment, the first receiving module comprises: A second receiving unit is provided, which is used to receive the low-power card detection carrier transmitted from the upper antenna of the card reader device via a second wake-up tuning coil located on the upper side of the passive near-field communication device.

[0118] For example, the card reader device may be a mobile phone with an iOS system, and this kind of card reader device usually has an antenna on the top side of the device.

[0119] According to the above embodiment, the second wake-up tuning coil is positioned on the upper side of the passive near-field communication device to couple with the upper antenna of the card reader device, thereby improving the convenience of combining the passive near-field communication device with an iOS system type card reader device.

[0120] In one exemplary embodiment, the second wake-up tuning coil has the same shape as the upper stripe antenna of the card reader device.

[0121] For example, the card reader device may be a mobile phone with an iOS system, and this kind of card reader device usually has an antenna in a stripe shape.

[0122] According to the above embodiment, the first wake-up tuning coil is striped in shape to couple with the striped antenna of the card reader device, thereby improving the coupling effect between the passive near-field communication device and the iOS system type card reader device.

[0123] The embodiments of the present disclosure further provide a computer device. FIG. 5 is a schematic diagram of a computer device in the embodiments of the present disclosure, which can implement all steps in the passive short-range communication method in the above embodiments, specifically: The device includes a processor 501, a memory 502, a communications interface 503, and a communications bus 504.

[0124] The processor 301, memory 302 and communication interface 503 communicate with each other through the communication bus 504. The communication interface 503 is used to realize information transmission between related devices.

[0125] The processor 501 is used to call the computer program in the memory 502, and when the processor executes the computer program, the passive short-range communication method in the embodiment is realized.

[0126] Optionally, in an embodiment, the computer program instructions, when executed by a processor, implement the following steps:

[0127] Step S1: Receive the low-power card detection carrier of the card reader device through a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device.

[0128] Step S2: When the wake-up tuning coil receives a low-power card detection carrier of the card reader device, it generates a wake-up induction magnetic field for canceling the low-power card detection mode of the card reader device.

[0129] Step S3: Receive the full power card detection carrier of the card reader device through a communication antenna coil coupled to the NFC chip and tuned to the carrier frequency band of the card reader device.

[0130] Step S4: When the communication antenna coil receives a full-power card detection carrier of the card reader device, it generates a communication induction magnetic field and communicates with the card reader device based on the communication induction magnetic field.

[0131] An embodiment of the present disclosure further provides a computer-readable storage medium having a computer program stored therein, the computer program performing operations of the passive short-range communication method in response to execution of the computer program by a processor.

[0132] An embodiment of the present disclosure further provides a computer program product including a computer program that, when executed by a processor, implements the passive short-range communication method described above.

[0133] The present disclosure provides the operational steps of the method as described above in the examples or flowcharts, but may include more or fewer operational steps based on conventional or non-inventive efforts. The order of the steps listed in the examples is merely one way of performing many steps and does not represent the only order of performing them. When executed by an actual device or client product, the method may be performed sequentially or in parallel (e.g., parallel processor or multi-threaded processing) according to the methods shown in the examples or drawings.

[0134] Those skilled in the art should understand that the embodiments of the present specification may be provided as a method, an apparatus (system), or a computer program product. Therefore, the embodiments of the present specification may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. The present disclosure may also take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk memory, CD-ROM, optical memory, etc.) containing computer-usable program code.

[0135] The present disclosure will be described with reference to flowcharts and / or block diagrams of methods, apparatuses (systems), and computer program products according to embodiments of the present disclosure. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and combinations of flows and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, such that the instructions, when executed by the processor of the computer or other programmable data processing device, generate an apparatus for implementing the function(s) specified in one or more flows in the flowcharts and / or one or more blocks in the block diagrams.

[0136] These computer program instructions may be stored in a computer-readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer-readable memory create an article of manufacture that includes an instruction apparatus that implements the functions specified in one or more flows of the flowcharts and / or one or more blocks of the block diagrams.

[0137] These computer program instructions may be loaded into a computer or other programmable data processing device such that the computer or other programmable device executes a series of operational steps to produce a computer-implemented process, where the instructions executing on the computer or other programmable device provide steps for implementing the functions specified in one or more flows of the flowcharts and / or one or more blocks of the block diagrams.

[0138] Each embodiment in this specification is described in a step-by-step manner, and identical and similar parts between embodiments may be mutually referenced, with each embodiment focusing on differences from other embodiments. In particular, system embodiments are essentially similar to method embodiments, and therefore are easier to describe, and for related points, reference may be made to the partial description of the method embodiments. In this specification, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply the existence of such an actual relationship or order between these entities or operations.

[0139] It should be noted that, unless conflicting, the embodiments of the present disclosure and the features in the embodiments may be combined with each other. The present disclosure is not limited to any single aspect, any single embodiment, or any combination and / or permutation of these aspects and / or embodiments. Each aspect and / or embodiment of the present disclosure may be used separately or in combination with one or more other aspects and / or embodiments thereof.

[0140] Finally, it should be noted that the above embodiments are merely for illustrating the technical solutions of the present disclosure and are not intended to limit the same. Although the present disclosure has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments may be modified or some or all of the technical features therein may be replaced with equivalents. However, these modifications or substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present disclosure, and all of these should be included in the scope of the claims and specification of the present disclosure.

Claims

1. a wake-up tuning coil, a communication antenna coil, and an NFC chip; the wake-up tuning coil is a bare wire coil, and the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device; The communication antenna coil is coupled to the NFC chip and is tuned to a carrier frequency band of the card reader device. Passive short-range communication devices.

2. the wake-up tuning coil is used to couple with the antenna of the card reader device when the antenna of the card reader device is in proximity, and to cause the card reader device to exit a low-power card detection mode; the communication antenna coil is used to communicate with the card reader device in a full-power card detection mode of the card reader device; The method of claim 1.

3. the position of the wake-up tuning coil is determined based on the position of an NFC antenna included in the card reader device; The method of claim 1.

4. the wake-up tuning coil comprises a first wake-up tuning coil, and the card reader device comprises a first card reader device; the first wake-up tuning coil is located in the middle or lower half of the passive near-field communication device and is used to couple with an antenna in the middle or lower half of the first card reader device; The passive near field communication device of claim 1 .

5. the first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other in plane, and the induction magnetic fields in the coils overlap; 5. A passive near field communication device according to claim 4.

6. the first wake-up tuning coil has a rectangular or oblate shape and is used to couple with a rectangular or oblate antenna of the card reader device; 5. A passive near field communication device according to claim 4.

7. the wake-up tuning coil comprises a second wake-up tuning coil, and the card reader device comprises a second card reader device; the second wake-up tuning coil is located on the upper side of the passive near-field communication device and is used to couple with an upper antenna of the second card reader device; A passive short-range communication device according to claim 1 or claim 4.

8. the second wake-up tuning coil has a stripe-like shape and is used to couple with an upper stripe-like antenna of the card reader device; 8. A passive near field communication device according to claim 7.

9. receiving a low-power card detection carrier of the card reader device through a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device; the wake-up tuning coil generates a wake-up induction magnetic field based on the low-power card detection carrier to release the card reader device from a low-power card detection mode; receiving a full power card detection carrier of the card reader device through a communication antenna coil to which an NFC chip is coupled and which is tuned to a carrier frequency band of the card reader device; the communication antenna coil generates a communication induction magnetic field in response to the full-power card detection carrier, and communicates with the card reader device based on the communication induction magnetic field. Passive short-range communication method.

10. The card reader device includes a first card reader device, and the step of receiving a low-power card detect carrier of the card reader device via a wake-up tuning coil includes: receiving a low-power card detect carrier of the card reader device via a first wake-up tuning coil, the first wake-up tuning coil being located in a middle or lower half of a passive near-field communication device and used to couple with an antenna in the middle or lower half of the first card reader device; 10. The passive short-range communication method of claim 9.

11. the first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other in plane, and the induction magnetic fields in the coils overlap; The passive short-range communication method according to claim 10.

12. the first wake-up tuning coil has the same shape as the rectangular or oblate antenna of the card reader device; 12. A passive short-range communication method according to claim 10 or claim 11.

13. The card reader device includes a second card reader device, and the step of receiving a low-power card detect carrier of the card reader device via a wake-up tuning coil includes: receiving a low-power card detect carrier transmitted from an upper antenna of the second card reader device via a second wake-up tuning coil located on an upper side of the passive near field communication device; The passive short-range communication method according to claim 9 or 10.

14. the second wake-up tuning coil has the same shape as the upper stripe antenna of the card reader device; 14. The passive short-range communication method of claim 13.

15. a first receiving module used to receive a low-power card detection carrier of the card reader device through a wake-up tuning coil whose resonance point is the same as the carrier frequency band of the card reader device; a wake-up module adapted to generate a wake-up induction magnetic field based on the low-power card detection carrier by the wake-up tuning coil, for causing the card reader device to exit a low-power card detection mode; a second receiving module coupled to an NFC chip and used to receive a full-power card detection carrier of the card reader device through a communication antenna coil tuned to a carrier frequency band of the card reader device; a communication module used to generate a communication induction magnetic field by the communication antenna coil in response to the full-power card detection carrier, and to communicate with the card reader device based on the communication induction magnetic field; Passive short-range communications device.

16. The card reader device comprises a first card reader device, and the first receiving module comprises: a first receiving unit used to receive a low-power card detection carrier of the card reader device via a first wake-up tuning coil, the first wake-up tuning coil being located in a middle or lower half of a passive near-field communication device and used to couple with an antenna in the middle or lower half of the first card reader device; 16. A passive short-range communication device according to claim 15.

17. the first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other in plane, and the induction magnetic fields in the coils overlap; 17. A passive near field communication device according to claim 16.

18. the first wake-up tuning coil has the same shape as the rectangular or oblate antenna of the card reader device; 18. A passive short-range communication device according to claim 16 or claim 17.

19. The card reader device comprises a second card reader device, and the first receiving module comprises: a second receiving unit used to receive a low-power card detection carrier transmitted from an upper antenna of the second card reader device via a second wake-up tuning coil located on the upper side of the passive near field communication device; 17. A passive short-range communication device according to claim 15 or claim 16.

20. the second wake-up tuning coil has the same shape as the upper stripe antenna of the card reader device; 20. The passive near field communication device of claim 19.

21. a processor and a storage device suitable for implementing respective instructions, said storage device storing a plurality of instructions, said instructions being suitable to be loaded by the processor and to execute the passive short-range communication method according to any one of claims 9 to 14; Computer device.

22. A computer program for executing the passive short-range communication method according to any one of claims 9 to 14 is stored. A computer-readable storage medium.

23. A computer program which, when executed by a processor, implements the passive short-range communication method according to any one of claims 9 to 14, Computer program products.

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