CN116781110A - Equipment for matching mobile phone - Google Patents
Equipment for matching mobile phone Download PDFInfo
- Publication number
- CN116781110A CN116781110A CN202210111542.0A CN202210111542A CN116781110A CN 116781110 A CN116781110 A CN 116781110A CN 202210111542 A CN202210111542 A CN 202210111542A CN 116781110 A CN116781110 A CN 116781110A
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- mobile phone
- coil
- signal
- matched
- card reading
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- 238000000034 method Methods 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The invention provides a device for matching with a mobile phone, which comprises: the device comprises a first coil, a second coil and a processing module; the first coil is arranged at a first preset position and is connected with the processing module; the first preset position corresponds to the position of the NFC coil in the mobile phone matched with equipment used by the mobile phone; the second coil is connected with the processing module; the processing module is configured to receive a card reading signal before a mobile phone matched with equipment used by the mobile phone, wherein the card reading signal is sent by external card reading equipment; the processing module is used for receiving the card reading signal, judging the application type according to the card reading signal, if the application type indicates that the mobile phone is applied, not executing operation, if the application type indicates that the mobile phone is applied, sending an interference signal to the first coil, and receiving the card reading signal by a mobile phone matched with equipment used by the mobile phone. On one hand, the unsupported application of the mobile phone is expanded, and on the other hand, the normal application of the mobile phone is not interfered.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to equipment matched with a mobile phone.
Background
With the popularization of smart phones, more and more applications are installed in the phones, however, some applications related to security and the like cannot be installed in the phones due to the limitation of the hardware of the phones. However, how to expand the application of the mobile phone under the condition that the existing smart phone hardware is limited becomes a problem to be solved urgently.
Disclosure of Invention
The present invention aims to solve the above-mentioned problems.
The invention aims to provide equipment matched with a mobile phone.
In order to achieve the above purpose, the technical scheme of the invention is specifically realized as follows:
the invention provides a device for matching with a mobile phone, which comprises: the device comprises a first coil, a second coil and a processing module; the first coil is arranged at a first preset position and is connected with the processing module; the first preset position corresponds to the position of the NFC coil in the mobile phone matched with equipment used by the mobile phone; the second coil is connected with the processing module; the processing module is configured to receive a card reading signal which is the first signal in a one-time card reading process sent by external card reading equipment before a mobile phone matched with equipment used by the mobile phone; the processing module is used for receiving the card reading signal, judging the application type according to the card reading signal, if the application type indicates that the mobile phone is applied, the card reading process is not operated, if the application type indicates that the mobile phone is applied, an interference signal is sent to the first coil, and the mobile phone matched with the equipment used by the mobile phone is interfered to receive the card reading signal.
Wherein, the equipment that cooperation cell-phone used still includes: eliminating the coil; the eliminating coil is connected with the second coil in a coupling way, and the eliminating coil is arranged in a signal coverage range of an NFC coil in the mobile phone matched with equipment used by the mobile phone; the cancellation coil and the second coil are configured in a signal cancellation mode; and the processing module is used for failing to acquire a signal sent by the mobile phone matched with equipment used by the mobile phone after the signals of the eliminating coil and the second coil are mutually counteracted.
Wherein, the processing module includes: MCU, card chip and interference circuit; the MCU is connected with the card chip; the card chip is connected with the interference circuit and the second coil; the interference circuit is connected with the first coil; the MCU is used for receiving the card reading signal, judging the application type according to the card reading signal, if the application type indicates that the mobile phone is applied, the card reading process does not execute operation, if the application type indicates that the mobile phone is applied, the card chip sends a first signal to the card chip, the card chip sends a second signal to the interference circuit according to the first signal, the interference circuit generates an interference signal, the interference signal is sent to the first coil, and the mobile phone matched with equipment used by the mobile phone is interfered to receive the card reading signal.
Wherein, the interference circuit includes: the system comprises a quadrature signal generation circuit, a POS downlink envelope generation circuit and a coil driving circuit; the orthogonal signal generating circuit and the POS downlink envelope generating circuit are respectively connected with the coil driving circuit, and the MCU is respectively connected with the orthogonal signal generating circuit, the POS downlink envelope generating circuit and the coil driving circuit.
The processing module is configured to receive a card reading signal before a mobile phone matched with a device used by the mobile phone comprises: the second coil size is larger than the NFC coil size of the mobile phone matched with equipment used with the mobile phone; and/or the sensitivity of the card chip is higher than the chip sensitivity of a cell phone matched to the device used with the cell phone.
Wherein the second coil is a 13.56MHz coil; the equipment used with the mobile phone also comprises: the third coil is a 125KHz coil; the MCU is connected with the third coil and is also used for judging the source of the card reading signal, if the source of the card reading signal is the second coil, the signal receiving and transmitting are carried out according to the protocol corresponding to the second coil, and if the source of the card reading signal is the third coil, the signal receiving and transmitting are carried out according to the protocol corresponding to the third coil.
Wherein, the equipment that cooperation cell-phone used still includes: a rechargeable battery and a fourth coil; the fourth coil is arranged at a second preset position and is connected with the rechargeable battery, wherein the second preset position corresponds to the position of the wireless charging coil in the mobile phone matched with equipment used by the mobile phone; and when the wireless charger of the mobile phone matched with the equipment used by the mobile phone charges the mobile phone matched with the equipment used by the mobile phone, the wireless charger is used for charging the rechargeable battery.
Wherein, the equipment that cooperation cell-phone used still includes: a fifth coil; the fifth coil is arranged at a third preset position and is connected with the rechargeable battery, wherein the third preset position corresponds to the position of a wireless charging module arranged on a charging wire in the mobile phone matched with equipment used by the mobile phone; and when the charging wire of the mobile phone matched with the equipment used by the mobile phone charges the mobile phone matched with the equipment used by the mobile phone, the fifth coil charges the rechargeable battery by utilizing the wireless charging module.
According to the technical scheme provided by the invention, the equipment matched with the mobile phone for use provided by the embodiment of the invention expands the application which is not supported by the mobile phone on one hand and does not interfere with the normal application of the mobile phone on the other hand.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of a device for use with a mobile phone according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a device for use with a mobile phone according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an interference circuit according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
With reference to fig. 1 and fig. 2, an apparatus for use with a mobile phone according to an embodiment of the present invention includes: the device comprises a first coil, a second coil and a processing module;
the first coil is arranged at a first preset position and is connected with the processing module; the first preset position corresponds to the position of the NFC coil in the mobile phone matched with equipment used by the mobile phone;
the second coil is connected with the processing module;
the processing module is configured to receive a card reading signal which is the first signal in a one-time card reading process sent by external card reading equipment before a mobile phone matched with equipment used by the mobile phone;
the processing module is used for receiving the card reading signal, judging the application type according to the card reading signal, if the application type indicates that the mobile phone is applied, the card reading process is not operated, if the application type indicates that the mobile phone is applied, an interference signal is sent to the first coil, and the mobile phone matched with the equipment used by the mobile phone is interfered to receive the card reading signal.
Specifically, the first coil is an NFC coil, the second coil is also an NFC coil, the external card reading device may be a device such as a POS machine, and may send a card reading signal, where the card reading signal may be sent to a mobile phone, or may be sent to a device used with the mobile phone, and the processing module may determine an application type according to an application format of the card reading signal, where the application type is, for example, a bus card application, an application for executing a transaction, and the like, and the application may be installed in the mobile phone, or may be installed in a device used with the mobile phone, so that an application that cannot be installed in the mobile phone may be installed in the device used with the mobile phone provided by the invention, and expansion of application of the mobile phone is implemented. The device for being matched with the mobile phone can be made into a mobile phone shell or other types of devices, and the device is not particularly limited in the invention.
When the card reading signal sent by the external card reading equipment is indicated to be equipment application, the processing module generates an interference signal and sends the interference signal to the first coil, so that the first coil sends the interference signal, and the interference signal can enable the mobile phone to not normally receive the card reading signal through the NFC coil of the mobile phone, and therefore the mobile phone can be prevented from responding to the application of equipment matched with the mobile phone.
As an optional implementation manner of the embodiment of the present invention, the device used with the mobile phone further includes: eliminating the coil; the eliminating coil is connected with the second coil in a coupling way, and the eliminating coil is arranged in a signal coverage range of an NFC coil in the mobile phone matched with equipment used by the mobile phone; the cancellation coil and the second coil are configured in a signal cancellation mode; and the processing module is used for failing to acquire a signal sent by the mobile phone matched with equipment used by the mobile phone after the signals of the eliminating coil and the second coil are mutually counteracted. Specifically, the cancellation coil is connected with the card chip of the processing module, and the cancellation coil and the second coil are combined for use, so that signals sent by the mobile phone and received by the processing module can be cancelled, and the mobile phone can normally send signals without interfering with normal use of the mobile phone.
As an alternative implementation of the embodiment of the present invention, the processing module includes: MCU, card chip and interference circuit; the MCU is connected with the card chip; the card chip is connected with the interference circuit and the second coil; the interference circuit is connected with the first coil; the MCU is used for receiving the card reading signal, judging the application type according to the card reading signal, if the application type indicates that the mobile phone is applied, the card reading process does not execute operation, if the application type indicates that the mobile phone is applied, the card chip sends a first signal to the card chip, the card chip sends a second signal to the interference circuit according to the first signal, the interference circuit generates an interference signal, the interference signal is sent to the first coil, and the mobile phone matched with equipment used by the mobile phone is interfered to receive the card reading signal. Of course, the present invention is not limited to this division method, and other division methods should also fall within the protection scope of the present invention.
As an alternative implementation of the embodiment of the present invention, referring to fig. 3, the interference circuit includes: the system comprises a quadrature signal generation circuit, a POS downlink envelope generation circuit and a coil driving circuit; the orthogonal signal generating circuit and the POS downlink envelope generating circuit are respectively connected with the coil driving circuit, and the MCU is respectively connected with the orthogonal signal generating circuit, the POS downlink envelope generating circuit and the coil driving circuit. In specific implementation, the interference circuit can adopt a 13.56MHz orthogonal signal generating circuit, the MCU controls the orthogonal signal generating circuit to generate an orthogonal signal, and controls the POS downlink envelope generating circuit to generate an ISO14443 downlink envelope, and the combination of the two causes the coil driving circuit to drive the first coil to generate an interference signal, and the mobile phone matched with the interference equipment receives a card reading signal.
As an optional implementation manner of the embodiment of the present invention, the processing module configured to receive the card reading signal before the mobile phone matched with the device used with the mobile phone includes: the second coil size is larger than the NFC coil size of the mobile phone matched with equipment used with the mobile phone; and/or the sensitivity of the card chip is higher than the chip sensitivity of a cell phone matched to the device used with the cell phone. In order to ensure that the second coil receives the card reading signal before the mobile phone, reasonable selection can be performed on hardware, so that the response of equipment matched with the mobile phone to the card reading signal is faster than that of the mobile phone, and the effect that the equipment matched with the mobile phone receives the card reading signal before the mobile phone is realized.
As an alternative implementation of the embodiment of the present invention, the second coil is a 13.56MHz coil; further comprises: the third coil is a 125KHz coil; the MCU is connected with the third coil and is also used for judging the source of the card reading signal, if the source of the card reading signal is the second coil, the signal receiving and transmitting are carried out according to the protocol corresponding to the second coil, and if the source of the card reading signal is the third coil, the signal receiving and transmitting are carried out according to the protocol corresponding to the third coil. Specifically, the protocols corresponding to the second coil can be multiple, and the protocols corresponding to the third coil can also be multiple, so that the device matched with the mobile phone can also support other communication modes to realize multi-mode card application, and further the application which is not supported by the mobile phone is expanded more.
As an optional implementation manner of the embodiment of the present invention, the device used with the mobile phone further includes: a rechargeable battery and a fourth coil; the fourth coil is arranged at a second preset position and is connected with the rechargeable battery, wherein the second preset position corresponds to the position of the wireless charging coil in the mobile phone matched with equipment used by the mobile phone; and when the wireless charger of the mobile phone matched with the equipment used by the mobile phone charges the mobile phone matched with the equipment used by the mobile phone, the wireless charger is used for charging the rechargeable battery. Specifically, the device used with the mobile phone may also be charged using a wireless charger of the mobile phone. In specific implementation, the fourth coil is connected with the charging circuit through the rectifier bridge to charge the rechargeable battery.
As an optional implementation manner of the embodiment of the present invention, the device used with the mobile phone further includes: a fifth coil; the fifth coil is arranged at a third preset position and is connected with the rechargeable battery, wherein the third preset position corresponds to the position of a wireless charging module arranged on a charging wire in the mobile phone matched with equipment used by the mobile phone; and when the charging wire of the mobile phone matched with the equipment used by the mobile phone charges the mobile phone matched with the equipment used by the mobile phone, the fifth coil charges the rechargeable battery by utilizing the wireless charging module. Specifically, the device used with the mobile phone can also be wirelessly charged by using a specially designed mobile phone charging wire.
The equipment matched with the mobile phone for use provided by the embodiment of the invention expands the application which is not supported by the mobile phone on one hand and does not interfere with the normal application of the mobile phone on the other hand.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An apparatus for use with a mobile phone, comprising: the device comprises a first coil, a second coil and a processing module;
the first coil is arranged at a first preset position and is connected with the processing module; the first preset position corresponds to the position of an NFC coil in the mobile phone matched with the equipment matched with the mobile phone;
the second coil is connected with the processing module;
the processing module is configured to receive a card reading signal from the mobile phone matched with the equipment used by the mobile phone, wherein the card reading signal is the first signal in a one-time card reading process sent by the external card reading equipment;
the processing module is configured to receive the card reading signal, determine an application type according to the card reading signal, if the application type indicates that the mobile phone is an application, then the card reading process is not executed, and if the application type indicates that the application is an application of a device, then an interference signal is sent to the first coil, so as to interfere the mobile phone matched with the device used by the mobile phone to receive the card reading signal.
2. The apparatus for use with a mobile phone of claim 1, further comprising: eliminating the coil;
the cancellation coil is coupled with the second coil, and is arranged in the signal coverage range of the NFC coil in the mobile phone matched with the equipment used by the mobile phone;
the cancellation coil and the second coil are configured in a signal cancellation manner;
and the processing module is used for failing to acquire the signal sent by the mobile phone matched with the equipment used by the mobile phone after the eliminating coil and the second coil signals are mutually counteracted.
3. The apparatus according to claim 1 or 2, wherein the processing module comprises: MCU, card chip and interference circuit;
the MCU is connected with the card chip;
the card chip is connected with the interference circuit and the second coil;
the interference circuit is connected with the first coil;
the MCU is used for receiving the card reading signal, judging an application type according to the card reading signal, if the application type indicates that the mobile phone is applied, the card reading process does not execute operation, if the application type indicates that the mobile phone is applied, a first signal is sent to the card chip, the card chip sends a second signal to the interference circuit according to the first signal, the interference circuit generates the interference signal, sends the interference signal to the first coil, and the mobile phone matched with equipment used by the mobile phone is interfered to receive the card reading signal.
4. A device for use with a mobile phone according to claim 3, wherein the interference circuit comprises: the system comprises a quadrature signal generation circuit, a POS downlink envelope generation circuit and a coil driving circuit;
the orthogonal signal generating circuit and the POS downlink envelope generating circuit are respectively connected with the coil driving circuit, and the MCU is respectively connected with the orthogonal signal generating circuit, the POS downlink envelope generating circuit and the coil driving circuit.
5. The device for use with a mobile phone of claim 3, wherein the processing module configured to receive a card read signal prior to the mobile phone matching the device for use with a mobile phone comprises:
the second coil size is larger than the NFC coil size of the mobile phone matched with the equipment matched with the mobile phone; and/or
The sensitivity of the card chip is higher than that of a mobile phone matched with the equipment used with the mobile phone.
6. The apparatus for use with a mobile phone of claim 3,
the second coil is a 13.56MHz coil;
further comprises: the third coil is a 125KHz coil;
the MCU is connected with the third coil and is also used for judging the source of the card reading signal, if the source of the card reading signal is the second coil, the signal receiving and transmitting are carried out according to the protocol corresponding to the second coil, and if the source of the card reading signal is the third coil, the signal receiving and transmitting are carried out according to the protocol corresponding to the third coil.
7. The apparatus for use with a mobile phone of claim 1 or 2, further comprising: a rechargeable battery and a fourth coil;
the fourth coil is arranged at a second preset position and is connected with the rechargeable battery, wherein the second preset position corresponds to the position of the wireless charging coil in the mobile phone matched with the equipment matched with the mobile phone;
and when the wireless charger of the mobile phone matched with the equipment used by the mobile phone charges the mobile phone matched with the equipment used by the mobile phone, the fourth coil charges the rechargeable battery by using the wireless charger.
8. The apparatus for use with a mobile phone of claim 1 or 2, further comprising: a fifth coil;
the fifth coil is arranged at a third preset position and is connected with the rechargeable battery, wherein the third preset position corresponds to the position of a wireless charging module arranged on a charging wire in the mobile phone matched with the equipment matched with the mobile phone;
and when the charging wire of the mobile phone matched with the equipment used by the mobile phone charges the mobile phone matched with the equipment used by the mobile phone, the fifth coil charges the rechargeable battery by utilizing the wireless charging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111542.0A CN116781110A (en) | 2022-01-29 | 2022-01-29 | Equipment for matching mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111542.0A CN116781110A (en) | 2022-01-29 | 2022-01-29 | Equipment for matching mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116781110A true CN116781110A (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210111542.0A Pending CN116781110A (en) | 2022-01-29 | 2022-01-29 | Equipment for matching mobile phone |
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| CN (1) | CN116781110A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916731A (en) * | 2012-09-18 | 2013-02-06 | 盛世铸成科技(北京)有限公司 | Mobile payment device of mobile phone and mobile phone containing same |
| CN106960339A (en) * | 2017-03-15 | 2017-07-18 | 上海易码信息科技有限公司 | A kind of SMD mobile payment device |
| US20200036213A1 (en) * | 2017-03-08 | 2020-01-30 | Samsung Electronics Co., Ltd. | Device and method for performing wireless charging and payment |
| US20200286070A1 (en) * | 2018-03-20 | 2020-09-10 | Peter Garrett | Method and Apparatus for Completing Credit Card Transactions from an MST and NFC Capable Module Affixed to a Smart Phone, a Mobile Wallet, a Personal Digital Assistant or the Cases for Same |
| CN112702459A (en) * | 2020-12-30 | 2021-04-23 | 天地融科技股份有限公司 | Mobile phone shell |
| CN213846766U (en) * | 2021-01-12 | 2021-07-30 | 常州信息职业技术学院 | Back splint battery cell-phone shell with NFC communication function |
-
2022
- 2022-01-29 CN CN202210111542.0A patent/CN116781110A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916731A (en) * | 2012-09-18 | 2013-02-06 | 盛世铸成科技(北京)有限公司 | Mobile payment device of mobile phone and mobile phone containing same |
| US20200036213A1 (en) * | 2017-03-08 | 2020-01-30 | Samsung Electronics Co., Ltd. | Device and method for performing wireless charging and payment |
| CN106960339A (en) * | 2017-03-15 | 2017-07-18 | 上海易码信息科技有限公司 | A kind of SMD mobile payment device |
| US20200286070A1 (en) * | 2018-03-20 | 2020-09-10 | Peter Garrett | Method and Apparatus for Completing Credit Card Transactions from an MST and NFC Capable Module Affixed to a Smart Phone, a Mobile Wallet, a Personal Digital Assistant or the Cases for Same |
| CN112702459A (en) * | 2020-12-30 | 2021-04-23 | 天地融科技股份有限公司 | Mobile phone shell |
| CN213846766U (en) * | 2021-01-12 | 2021-07-30 | 常州信息职业技术学院 | Back splint battery cell-phone shell with NFC communication function |
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