Passive near field communication equipment, method and device

Abstract

The invention provides passive near field communication equipment, a passive near field communication method and a passive near field communication device, and the passive near field communication equipment comprises a wake-up tuning coil and a communication antenna coil. The resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reading equipment, and is used for being coupled with the antenna of the card reading equipment when the antenna of the card reading equipment is close to release the low-power-consumption card detection mode of the card reading equipment; and the communication antenna coil is used for communicating with the card reading equipment in a full-power card detection mode of the card reading equipment.

Description

[0001] This application is a divisional application of the invention application with the application date of November 27, 2023, application number 202311607547.3, and invention name “A passive near-field communication device, method and apparatus”. Technical Field

[0002] The present disclosure relates to the field of communication technology, and in particular to a passive near-field communication device, method and apparatus. Background Art

[0003] At present, NFC (Near Field Communication) payment methods are mainly based on bus / subway payment and some bank card payment methods. On the device side, NFC mainly works in active mode, identifying bus / subway cards, some bank cards, and simulated cards on mobile phones and deducting money to complete offline payment. However, for small and micro businesses that cannot be powered 24 hours a day, even if battery power is used, there will be debit devices that are out of power. In order to achieve communication and complete payment at this time, the debit device needs to adopt passive mode. In addition, for some mobile phones that are not compatible with the card simulation mode of the independent system, taking into account these users, our debit devices also need to work in passive mode.

[0004] Therefore, how to enable NFC deduction devices to complete payment without power supply is a technical problem that needs to be solved urgently. Summary of the invention

[0005] The purpose 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 an NFC deduction device cannot complete payment without power supply.

[0006] According to one aspect of an embodiment of the present disclosure, there is provided a passive near field communication device, including: a wake-up tuning coil and a communication antenna coil;

[0007] The wake-up tuning coil is a bare coil, and the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader;

[0008] The communication antenna coil is connected in series with an NFC chip and tuned to the carrier frequency band of the card reader device;

[0009] 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 close to release the low-power card detection mode of the card reader device;

[0010] 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.

[0011] In an exemplary embodiment, the wake-up tuning coil includes: a first wake-up tuning coil;

[0012] The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

[0013] In an 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 the antenna in the middle or lower half of the card reader device.

[0014] In an exemplary embodiment, the first wake-up tuning coil is in a rectangular or oblate shape, and is used to couple with a rectangular or oblate antenna of the card reader device.

[0015] In an exemplary embodiment, the wake-up tuning coil includes: a second wake-up tuning coil;

[0016] 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 antenna on the upper side of the card reader device.

[0017] In an exemplary embodiment, the second wake-up tuning coil is in a strip shape, and is used to couple with a strip antenna on an upper side of the card reader device.

[0018] According to another aspect of the embodiments of the present disclosure, a passive near field communication method is also provided, characterized in that it includes:

[0019] The low-power card detection carrier of the card reader device is received through the wake-up tuning coil, wherein the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device;

[0020] When receiving the low-power card detection carrier of the card reader device, the wake-up tuning coil generates a wake-up induction magnetic field, and the induction magnetic field is used to release the low-power card detection mode of the card reader device;

[0021] Receive the full-power card detection carrier of the card reader device through the communication antenna coil, wherein the communication antenna coil is connected in series with an NFC chip and is tuned to the carrier frequency band of the card reader device;

[0022] When receiving the full-power card detection carrier of the card reading device, the communication antenna coil generates a communication induction magnetic field and communicates with the card reading device based on the communication induction magnetic field.

[0023] In an exemplary embodiment, receiving a low-power card detection carrier of a card reader device by waking up a tuning coil includes:

[0024] The low-power card detection carrier of the card reader device is received through the first wake-up tuning coil. The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

[0025] In an 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 the antenna in the middle or lower half of the card reader device.

[0026] In an exemplary embodiment, the first wake-up tuning coil has the same shape as a rectangular or oblate circular antenna of the card reader device.

[0027] In an exemplary embodiment, receiving a low-power card detection carrier of a card reader device by waking up a tuning coil includes:

[0028] The low-power card detection carrier transmitted by the antenna on the upper side of the card reader is received through the second wake-up tuning coil, and the second wake-up tuning coil is located on the upper side of the passive near-field communication device.

[0029] In an exemplary embodiment, the second wake-up tuning coil has the same shape as the strip antenna on the upper side of the card reader device.

[0030] According to another aspect of the embodiments of the present disclosure, there is also provided a passive near field communication device, characterized in that it includes:

[0031] A first receiving module, used for receiving a low-power card detection carrier of a card reader device through a wake-up tuning coil, wherein the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device;

[0032] 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 of the card reader device, wherein the induction magnetic field is used to release the low-power card detection mode of the card reader device;

[0033] A second receiving module is used to receive the full-power card detection carrier of the card reader device through a communication antenna coil, wherein the communication antenna coil is connected in series with an NFC chip and is tuned to the carrier frequency band of the card reader device;

[0034] The communication module is used to generate a communication induction magnetic field by the communication antenna coil when receiving the full-power card detection carrier of the card reader device, and communicate with the card reader device based on the communication induction magnetic field.

[0035] In an exemplary embodiment, the first receiving module includes:

[0036] The first receiving unit is used to receive the low-power card detection carrier of the card reader device through a first wake-up tuning coil. The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

[0037] In an 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 the antenna in the middle or lower half of the card reader device.

[0038] In an exemplary embodiment, the first wake-up tuning coil has the same shape as a rectangular or oblate circular antenna of the card reader device.

[0039] In an exemplary embodiment, the first receiving module includes:

[0040] The second receiving unit is used to receive the low-power card detection carrier sent by the antenna on the upper side of the card reader device through the second wake-up tuning coil, and the second wake-up tuning coil is located on the upper side of the passive near-field communication device.

[0041] In an exemplary embodiment, the second wake-up tuning coil has the same shape as the strip antenna on the upper side of the card reader device.

[0042] According to another aspect of an embodiment of the present disclosure, a computer device is also provided, comprising: a processor suitable for implementing various instructions and a storage device, wherein the storage device stores a plurality of instructions suitable for being loaded by the processor and executing any one of the above-mentioned passive near-field communication methods.

[0043] According to another aspect of an embodiment of the present disclosure, there is also a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and the computer program is used to execute any one of the above-mentioned passive near-field communication methods.

[0044] According to another aspect of the embodiments of the present disclosure, there is also a computer program product, the computer program product comprising a computer program, and the computer program implements any one of the above-mentioned passive near-field communication methods when executed by a processor.

[0045] The technical solution of the present disclosure is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The following drawings are intended only to illustrate and explain the present disclosure, and do not limit the scope of the present disclosure.

[0047] Figure 1 is a structural diagram of a passive near field communication device according to an embodiment of the present disclosure; and

[0048] Figure 2 is a schematic diagram of the coil structure of a passive near field communication device according to an optional embodiment of the present disclosure; and,

[0049] Figure 3 is a flow chart of a passive near field communication method according to an embodiment of the present disclosure; and

[0050] Figure 4 is a structural diagram of a passive near field communication device according to an embodiment of the present disclosure; and

[0051] Figure 5 It is a structural schematic diagram of a computer device in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0052] The present application is further described in detail below through the accompanying drawings and embodiments. Through these descriptions, the characteristics and advantages of the present application will become clearer and more specific.

[0053] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless otherwise noted.

[0054] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0055] In order to better illustrate the embodiments of the present invention, the professional terms involved in the embodiments of the present invention are explained as follows:

[0056] NFC: A short-range, high-frequency radio communication technology.

[0057] NFC active mode: In active mode, the NFC terminal can act as a reader, emitting a radio frequency field to identify and read / write information from passive NFC devices.

[0058] NFC passive mode (card emulation): At this time, the NFC-enabled terminal is simulated as a card, which only responds passively in the radio frequency field emitted by other devices and has information read / written.

[0059] LPCD (Low Power Card Detection) mode: When the phone detects an NFC slave device, in order to save power, it will enter low power mode after a certain period of unlocking, and then the card detection will also enter LPCD mode.

[0060] Normal card detection mode: In order to improve the speed and success rate of NFC, the mobile phone will maintain full power card detection for a period of time after unlocking, which is the normal card detection mode. The above LPCD and normal detection modes are both 13.56MHz sine waves emitted by the mobile phone, but the transmission time and amplitude are different, and the energy is coupled through the coil.

[0061] In this embodiment, a passive near field communication device is provided. Figure 1 is a structural diagram of a passive near field communication device according to an embodiment of the present disclosure, such as Figure 1 As shown, including:

[0062] Wake up the tuning coil and the communication antenna coil.

[0063] The wake-up tuning coil is a bare coil, and the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device.

[0064] The bare coil may be an LC oscillating circuit without an NFC chip in series. The card reader device may be a mobile phone with an NFC function.

[0065] The communication antenna coil is connected in series with an NFC chip and is tuned to the carrier frequency band of the card reader device.

[0066] The resonance point of the wake-up tuning coil and the carrier frequency band of the card reader device may be 13.56 MHz.

[0067] 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 approaches, so as to release the low-power card checking mode of the card reader device.

[0068] After the low-power card checking mode of the above-mentioned card reader device is released, the full-power card checking mode can be entered.

[0069] The card reader device can be placed close to the wake-up tuning coil in a low-power card detection mode to induce the wake-up tuning coil to generate an induced magnetic field, thereby waking up the full-power card detection mode of the card reader device.

[0070] 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.

[0071] The communication antenna coil can generate load modulation on the communication antenna coil through the NFC chip, thereby completing communication with the card reader device.

[0072] In the disclosed embodiment, the wake-up tuning coil is a bare 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 connected in series with an NFC chip and tuned to the carrier frequency band of the card reader device; 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 close to release the low-power card detection mode of the card reader device; 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. The technical problem that the NFC deduction device cannot complete payment without power supply in the related technology can be solved. The card reader device in the low-power card detection mode is awakened by the wake-up tuning coil of the bare coil set in the passive near-field communication device, and then the communication antenna coil communicates with the card reader device at full power, so as to complete payment without power supply, and at the same time, the coupling effect with the card reader device in the low-power mode is improved.

[0073] In an exemplary embodiment, the wake-up tuning coil includes: a first wake-up tuning coil.

[0074] The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other in the same plane, and the induced magnetic fields in the coils overlap.

[0075] Preferably, the first wake-up tuning coil and the communication antenna coil may be arranged in the passive near-field communication device in an embedded parallel and surrounding manner.

[0076] Through the above embodiment, the above-mentioned first wake-up tuning coil and the above-mentioned communication antenna coil are coplanar or parallel to each other in the plane, and the induced magnetic fields in the coils overlap, so that the passive near-field communication device can immediately communicate with the card reader device after waking up the above-mentioned card reader device. At the same time, the technical effect of saving space can also be achieved.

[0077] In an 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 the antenna in the middle or lower half of the card reader device.

[0078] For example, the card reader device may be a mainstream Android phone. This type of card reader device usually sets the antenna in the middle or lower half of the device.

[0079] Through the above embodiment, the above first wake-up tuning coil is located in the middle or lower half of the above passive near-field communication device, and is used to couple with the antenna in the middle or lower half of the above card reader device, thereby improving the convenience of coupling the passive near-field communication device with the mainstream card reader device.

[0080] In an exemplary embodiment, the first wake-up tuning coil is in a rectangular or oblate shape, and is used to couple with the rectangular or oblate antenna of the card reader device.

[0081] For example, the card reader device may be an Android phone. This type of card reader device usually sets the antenna in a rectangular or oblate shape.

[0082] Through the above embodiment, the shape of the above first wake-up tuning coil is rectangular or oval, which is used to couple with the rectangular or oval antenna of the above card reader device, thereby improving the coupling effect between the passive near field communication device and the mainstream card reader device.

[0083] In an exemplary embodiment, the wake-up tuning coil includes: a second wake-up tuning coil.

[0084] 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 antenna on the upper side of the card reader.

[0085] For example, the card reading device may be a mobile phone of iOS system. This type of card reading device usually sets the antenna on the upper side of the device.

[0086] Through the above embodiment, the second wake-up tuning coil is located on the upper side of the passive near-field communication device for coupling with the antenna on the upper side of the card reader, thereby improving the convenience of coupling the passive near-field communication device with an iOS system type card reader.

[0087] In an exemplary embodiment, the second wake-up tuning coil is in a strip shape, and is used to couple with the strip antenna on the upper side of the card reader device.

[0088] For example, the card reader device may be a mobile phone running an iOS system. This type of card reader device usually has a strip-shaped antenna.

[0089] Through the above embodiment, the first wake-up tuning coil is shaped as a strip, which is used to couple with the strip 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.

[0090] Figure 2 is a schematic diagram of the coil structure of a passive near field communication device according to an optional embodiment of the present disclosure. Figure 2 As shown, it includes: a first wake-up tuning coil 201 , a second wake-up tuning coil 202 and a communication antenna coil 203 .

[0091] The rectangular second wake-up tuning coil 202 and the communication antenna coil 203 are embedded and arranged in parallel in the lower half of the passive near field communication device. The strip-shaped first wake-up tuning coil 201 is arranged on the upper side of the passive near field communication device.

[0092] According to another aspect of the embodiment of the present disclosure, a passive near field communication method is also provided. Figure 3 is a flow chart of a passive near field communication method according to an embodiment of the present disclosure, such as Figure 3 As shown, including:

[0093] Step 302: Receive a low-power card detection carrier of a card reader device through a wake-up tuning coil, wherein the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device.

[0094] The bare coil may be an LC oscillating circuit without an NFC chip in series. The card reader device may be a mobile phone with an NFC function.

[0095] Step 304: upon receiving the low-power card detection carrier of the card reader device, the wake-up tuning coil generates a wake-up induction magnetic field, and the induction magnetic field is used to release the low-power card detection mode of the card reader device.

[0096] 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 low-power card detection mode of the card reader device is released, the full-power card detection mode may be entered.

[0097] Step 306: receiving the full-power card detection carrier of the card reader device through the communication antenna coil, wherein the communication antenna coil is connected in series with an NFC chip and is tuned to the carrier frequency band of the card reader device.

[0098] The card reader device can be placed close to the wake-up tuning coil in a low-power card detection mode to induce the wake-up tuning coil to generate an induced magnetic field, thereby waking up the full-power card detection mode of the card reader device.

[0099] Step 308: upon receiving the full-power card detection carrier of the card reader device, the communication antenna coil generates a communication induction magnetic field, and communicates with the card reader device based on the communication induction magnetic field.

[0100] The communication antenna coil can generate load modulation on the communication antenna coil through the NFC chip, thereby completing communication with the card reader device.

[0101] Through the above steps 302 to 308, the low-power card detection carrier of the card reader device is received through the wake-up tuning coil, and the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device. When the low-power card detection carrier of the card reader device is received, the wake-up tuning coil generates a wake-up induction magnetic field, and the induction magnetic field is used to release the low-power card detection mode of the card reader device. The full-power card detection carrier of the card reader device is received through the communication antenna coil, and the NFC chip is serially connected in the communication antenna coil and tuned to the carrier frequency band of the card reader device. When the full-power card detection carrier of the card reader device is received, the communication antenna coil generates a communication induction magnetic field, and communicates with the card reader device based on the communication induction magnetic field. The technical problem that the NFC deduction device cannot complete the payment under the condition of no power supply in the related technology can be solved. The card reader device in the low-power card detection mode is awakened by the wake-up tuning coil of the bare coil set in the above-mentioned passive near-field communication device, and then the communication antenna coil communicates with the card reader device at full power, so as to complete the payment under the condition of no power supply, and at the same time, the coupling effect of the low-power mode card reader device is improved.

[0102] In an exemplary embodiment, receiving a low-power card detection carrier of a card reader device by waking up a tuning coil includes:

[0103] The low-power card detection carrier of the card reader device is received through the first wake-up tuning coil. The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

[0104] Preferably, the first wake-up tuning coil and the communication antenna coil may be arranged in the passive near-field communication device in an embedded parallel and surrounding manner.

[0105] Through the above embodiment, the above-mentioned first wake-up tuning coil and the above-mentioned communication antenna coil are coplanar or parallel to each other in the plane, and the induced magnetic fields in the coils overlap, so that the passive near-field communication device can immediately communicate with the card reader device after waking up the above-mentioned card reader device. At the same time, the technical effect of saving space can also be achieved.

[0106] In an 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 the antenna in the middle or lower half of the card reader device.

[0107] For example, the card reader device may be a mainstream Android phone. This type of card reader device usually sets the antenna in the middle or lower half of the device.

[0108] Through the above embodiment, the above first wake-up tuning coil is located in the middle or lower half of the above passive near-field communication device, and is used to couple with the antenna in the middle or lower half of the above card reader device, thereby improving the convenience of coupling the passive near-field communication device with the mainstream card reader device.

[0109] In an exemplary embodiment, the first wake-up tuning coil has the same shape as the rectangular or oblate circular antenna of the card reader device.

[0110] For example, the card reader device may be an Android phone. This type of card reader device usually sets the antenna in a rectangular or oblate shape.

[0111] Through the above embodiment, the shape of the above first wake-up tuning coil is rectangular or oval, which is used to couple with the rectangular or oval antenna of the above card reader device, thereby improving the coupling effect between the passive near field communication device and the mainstream card reader device.

[0112] In an exemplary embodiment, receiving a low-power card detection carrier of a card reader device by waking up a tuning coil includes:

[0113] The low-power card detection carrier transmitted by the antenna on the upper side of the card reader is received through the second wake-up tuning coil, and the second wake-up tuning coil is located on the upper side of the passive near-field communication device.

[0114] For example, the card reading device may be a mobile phone of iOS system. This type of card reading device usually sets the antenna on the upper side of the device.

[0115] Through the above embodiment, the second wake-up tuning coil is located on the upper side of the passive near-field communication device for coupling with the antenna on the upper side of the card reader, thereby improving the convenience of coupling the passive near-field communication device with an iOS system type card reader.

[0116] In an exemplary embodiment, the second wake-up tuning coil has the same shape as the strip antenna on the upper side of the card reader device.

[0117] For example, the card reader device may be a mobile phone running an iOS system. This type of card reader device usually has a strip-shaped antenna.

[0118] Through the above embodiment, the first wake-up tuning coil is shaped as a strip, which is used to couple with the strip 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.

[0119] According to another aspect of the embodiments of the present disclosure, a passive near field communication device is also provided. Figure 4 is a structural diagram of a passive near field communication device according to an embodiment of the present disclosure, such as Figure 4As shown, including:

[0120] The first receiving module 401 is used to receive the low-power card detection carrier of the card reader device through the wake-up tuning coil. The resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device.

[0121] The bare coil may be an LC oscillating circuit without an NFC chip in series. The card reader device may be a mobile phone with an NFC function.

[0122] The wake-up module 402 is used for generating a wake-up induction magnetic field by the wake-up tuning coil when receiving the low-power card detection carrier of the card reader device. The induction magnetic field is used to release the low-power card detection mode of the card reader device.

[0123] 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 low-power card detection mode of the card reader device is released, the full-power card detection mode may be entered.

[0124] The second receiving module 403 is used to receive the full-power card detection carrier of the above-mentioned card reader device through the communication antenna coil. The above-mentioned communication antenna coil is connected in series with an NFC chip and is tuned to the carrier frequency band of the above-mentioned card reader device.

[0125] The card reader device can be placed close to the wake-up tuning coil in a low-power card detection mode to induce the wake-up tuning coil to generate an induced magnetic field, thereby waking up the full-power card detection mode of the card reader device.

[0126] The communication module 404 is used for generating a communication induced magnetic field by the communication antenna coil upon receiving the full-power card detection carrier of the card reader device, and communicating with the card reader device based on the communication induced magnetic field.

[0127] The communication antenna coil can generate load modulation on the communication antenna coil through the NFC chip, thereby completing communication with the card reader device.

[0128] In the disclosed embodiment, the wake-up tuning coil is a bare 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 connected in series with an NFC chip and tuned to the carrier frequency band of the card reader device; 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 close to release the low-power card detection mode of the card reader device; 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. The technical problem that the NFC deduction device cannot complete payment without power supply in the related technology can be solved. The card reader device in the low-power card detection mode is awakened by the wake-up tuning coil of the bare coil set in the passive near-field communication device, and then the communication antenna coil communicates with the card reader device at full power, so as to complete payment without power supply, and at the same time, the coupling effect with the card reader device in the low-power mode is improved.

[0129] In an exemplary embodiment, the first receiving module includes:

[0130] The first receiving unit is used to receive the low-power card detection carrier of the above-mentioned card reader device through the first wake-up tuning coil. The above-mentioned first wake-up tuning coil and the above-mentioned communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

[0131] Preferably, the first wake-up tuning coil and the communication antenna coil may be arranged in the passive near-field communication device in an embedded parallel and surrounding manner.

[0132] Through the above embodiment, the above-mentioned first wake-up tuning coil and the above-mentioned communication antenna coil are coplanar or parallel to each other in the plane, and the induced magnetic fields in the coils overlap, so that the passive near-field communication device can immediately communicate with the card reader device after waking up the above-mentioned card reader device. At the same time, the technical effect of saving space can also be achieved.

[0133] In an 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 the antenna in the middle or lower half of the card reader device.

[0134] For example, the card reader device may be a mainstream Android phone. This type of card reader device usually sets the antenna in the middle or lower half of the device.

[0135] Through the above embodiment, the above first wake-up tuning coil is located in the middle or lower half of the above passive near-field communication device, and is used to couple with the antenna in the middle or lower half of the above card reader device, thereby improving the convenience of coupling the passive near-field communication device with the mainstream card reader device.

[0136] In an exemplary embodiment, the first wake-up tuning coil has the same shape as the rectangular or oblate circular antenna of the card reader device.

[0137] For example, the card reader device may be an Android phone. This type of card reader device usually sets the antenna in a rectangular or oblate shape.

[0138] Through the above embodiment, the shape of the above first wake-up tuning coil is rectangular or oval, which is used to couple with the rectangular or oval antenna of the above card reader device, thereby improving the coupling effect between the passive near field communication device and the mainstream card reader device.

[0139] In an exemplary embodiment, the first receiving module includes:

[0140] The second receiving unit is used to receive the low-power card detection carrier sent by the antenna on the upper side of the card reader through the second wake-up tuning coil, and the second wake-up tuning coil is located on the upper side of the passive near-field communication device.

[0141] For example, the card reading device may be a mobile phone of iOS system. This type of card reading device usually sets the antenna on the upper side of the device.

[0142] Through the above embodiment, the second wake-up tuning coil is located on the upper side of the passive near-field communication device for coupling with the antenna on the upper side of the card reader, thereby improving the convenience of coupling the passive near-field communication device with an iOS system type card reader.

[0143] In an exemplary embodiment, the second wake-up tuning coil has the same shape as the strip antenna on the upper side of the card reader device.

[0144] For example, the card reader device may be a mobile phone running an iOS system. This type of card reader device usually has a strip-shaped antenna.

[0145] Through the above embodiment, the first wake-up tuning coil is shaped as a strip, which is used to couple with the strip 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.

[0146] The present disclosure also provides a computer device, Figure 5 Schematic diagram of a computer device in an embodiment of the present disclosure. The computer device can implement all steps in the passive near-field communication method in the above embodiment. The computer device specifically includes the following contents:

[0147] Processor (processor) 501, memory (memory) 502, communication interface (CommunicationsInterface) 503 and communication bus 504.

[0148] The processor 301, the memory 302, and the communication interface 503 communicate with each other via the communication bus 504. The communication interface 503 is used to implement information transmission between related devices.

[0149] The processor 501 is used to call the computer program in the memory 502, and the processor implements the passive near field communication method in the above embodiment when executing the computer program.

[0150] Optionally, in an embodiment, when the above computer program instructions are executed by a processor, the following steps are implemented:

[0151] Step S1, receiving a low-power card detection carrier of a card reader device through a wake-up tuning coil, wherein the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device.

[0152] Step S2: upon receiving the low-power card detection carrier of the card reader device, the wake-up tuning coil generates a wake-up induction magnetic field, and the induction magnetic field is used to release the low-power card detection mode of the card reader device.

[0153] Step S3, receiving the full-power card detection carrier of the card reader device through the communication antenna coil, wherein the communication antenna coil is serially connected with an NFC chip and is tuned to the carrier frequency band of the card reader device.

[0154] Step S4, upon receiving the full-power card detection carrier of the card reader device, the communication antenna coil generates a communication induction magnetic field, and communicates with the card reader device based on the communication induction magnetic field.

[0155] The embodiment of the present disclosure further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and in response to the computer program being executed by a processor, the operations of the above-mentioned passive near-field communication method are implemented.

[0156] The embodiments of the present disclosure further provide a computer program product, which includes a computer program. When the computer program is executed by a processor, the passive near-field communication method described above is implemented.

[0157] Although the present disclosure provides method operation steps as described in the embodiments or flowcharts, more or fewer operation steps may be included based on conventional or non-creative labor. The order of steps listed in the embodiments is only one way of executing the order of many steps and does not represent the only execution order. When the actual device or client product is executed, it can be executed in the order of the method shown in the embodiments or the drawings or in parallel (for example, in a parallel processor or multi-threaded processing room).

[0158] It should be understood by those skilled in the art that the embodiments of this specification may be provided as methods, devices (systems) or computer program products. Therefore, the embodiments of this specification may take the form of complete hardware embodiments, complete software embodiments or embodiments combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0159] The present disclosure is described with reference to flowcharts and / or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the present disclosure. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can 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, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0160] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0161] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process in the computer or other programmable device. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0162] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment. In this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0163] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other. The present disclosure is not limited to any single aspect, nor to any single embodiment, nor to any combination and / or permutation of these aspects and / or embodiments. Moreover, each aspect and / or embodiment of the present disclosure may be used alone or in combination with one or more other aspects and / or embodiments thereof.

[0164] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than to limit them. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure, and they should all be included in the scope of the claims and specification of the present disclosure.

Claims

1. A passive near field communication device, characterized in that: include: Wake up the tuning coil and the communication antenna coil; The resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader; 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 close to release the low-power card detection mode of the card reader device; 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.

2. The passive near field communication device according to claim 1, characterized in that: 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 parallel to each other, and the induced magnetic fields in the coils overlap.

3. The passive near field communication device according to claim 2, characterized in that: The first wake-up tuning coil is located in the middle or lower part of the passive near-field communication device, and is used to couple with the antenna in the middle or lower part of the card reader device.

4. The passive near field communication device according to any one of claims 2 to 3, characterized in that: The first wake-up tuning coil is in a rectangular or oblate shape and is used to couple with the rectangular or oblate antenna of the card reader device.

5. The passive near field communication device according to any one of claims 1 to 3, characterized in that: The wake-up tuning coil includes: 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 antenna on the upper side of the card reader device.

6. The passive near field communication device according to claim 5, characterized in that: The second wake-up tuning coil is in a strip shape and is used to couple with the strip antenna on the upper side of the card reader.

7. A passive near field communication method, characterized in that: include: The low-power card detection carrier of the card reader device is received through the wake-up tuning coil, wherein the resonance point of the wake-up tuning coil is the same as the carrier frequency band of the card reader device; When receiving the low-power card detection carrier of the card reader device, the wake-up tuning coil generates a wake-up induction magnetic field, and the induction magnetic field is used to release the low-power card detection mode of the card reader device; Receiving the full-power card detection carrier of the card reader device through the communication antenna coil; When receiving the full-power card detection carrier of the card reading device, the communication antenna coil generates a communication induction magnetic field and communicates with the card reading device based on the communication induction magnetic field.

8. The passive near field communication method according to claim 7, characterized in that: The low-power card detection carrier of the card reader is received by waking up the tuning coil, including: The low-power card detection carrier of the card reader device is received through the first wake-up tuning coil. The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

9. The passive near field communication method according to claim 8, characterized in that: The first wake-up tuning coil is located in the middle or lower part of the passive near-field communication device, and is used to couple with the antenna in the middle or lower part of the card reader device.

10. The passive near field communication method according to any one of claims 8 to 9, characterized in that: The first wake-up tuning coil has the same shape as the rectangular or flat circular antenna of the card reader device.

11. The passive near field communication method according to any one of claims 7 to 9, characterized in that: The low-power card detection carrier of the card reader is received by waking up the tuning coil, including: The low-power card detection carrier transmitted by the antenna on the upper side of the card reader is received through the second wake-up tuning coil, and the second wake-up tuning coil is located on the upper side of the passive near-field communication device.

12. The passive near field communication method according to claim 11, characterized in that: The second wake-up tuning coil has the same shape as the strip antenna on the upper side of the card reader.

13. A passive near field communication device, characterized in that: include: A first receiving module, used for receiving a low-power card detection carrier of a card reader device through a wake-up tuning coil, wherein the resonance point of the wake-up tuning coil 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 of the card reader device, wherein the induction magnetic field is used to release the low-power card detection mode of the card reader device; A second receiving module is used to receive the full-power card detection carrier of the card reader device through the communication antenna coil; The communication module is used to generate a communication induction magnetic field by the communication antenna coil when receiving the full-power card detection carrier of the card reader device, and communicate with the card reader device based on the communication induction magnetic field.

14. The passive near field communication device according to claim 13, characterized in that: The first receiving module includes: The first receiving unit is used to receive the low-power card detection carrier of the card reader device through a first wake-up tuning coil. The first wake-up tuning coil and the communication antenna coil are coplanar or parallel to each other, and the induced magnetic fields in the coils overlap.

15. The passive near field communication device according to claim 14, characterized in that: The first wake-up tuning coil is located in the middle or lower part of the passive near-field communication device, and is used to couple with the antenna in the middle or lower part of the card reader device.

16. The passive near field communication device according to any one of claims 14 to 15, characterized in that: The first wake-up tuning coil has the same shape as the rectangular or flat circular antenna of the card reader device.

17. The passive near field communication device according to any one of claims 13 to 15, characterized in that: The first receiving module includes: The second receiving unit is used to receive the low-power card detection carrier sent by the antenna on the upper side of the card reader device through the second wake-up tuning coil, and the second wake-up tuning coil is located on the upper side of the passive near-field communication device.

18. The passive near field communication device according to claim 17, characterized in that: The second wake-up tuning coil has the same shape as the strip antenna on the upper side of the card reader.

19. A computer device, characterized in that: The computer device comprises: a processor suitable for implementing various instructions and a storage device, wherein the storage device stores a plurality of instructions, and the instructions are suitable for being loaded by the processor and executing the passive near field communication method according to any one of claims 7 to 12.

20. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and the computer program is used to execute the passive near-field communication method according to any one of claims 7 to 12.

21. A computer program product, characterized in that The computer program product comprises a computer program, and when the computer program is executed by a processor, the passive near field communication method according to any one of claims 7 to 12 is implemented.

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