A magnetic mobile phone shell with a pen sleeve

Abstract

The utility model belongs to mobile terminal accessory technical field discloses a kind of with pen sleeve formula magnetic attraction mobile phone shell, wherein, including: shell, is equipped with the accommodating slot for accommodating installation mobile device;Power supply component, installation in shell, and at least part is located in accommodating slot;Pen sleeve, installation in the side wall of shell, is equipped with the pen slot for accommodating stylus;Magnetic positioning piece, at least two groups are equipped, two groups of magnetic positioning piece are adjacent and located in the lower end of pen sleeve;Wherein, when stylus is inserted into pen slot along preset direction, magnetic positioning piece is magnetically connected with stylus, and stylus is electrically connected with power supply component;By being provided with pen sleeve with pen slot in the side wall of shell, stylus can be accomodated and carried with mobile device, reduce the problem that stylus is easily lost when being placed alone, simultaneously make stylus and mobile phone shell form integrated mounting structure, facilitate user to take and use.

Description

Technical Field

[0001] This utility model relates to the field of mobile terminal accessories technology, and in particular to a magnetic phone case with a pen sleeve. Background Technology

[0002] As mobile devices such as smartphones and tablets become increasingly feature-rich, styluses are gradually becoming the input tool used in conjunction with these devices. To facilitate the carrying and storage of styluses, some existing mobile device protective cases are equipped with pen sleeves or slots for holding styluses. Some pen sleeve-type protective cases use magnetic attraction to fix styluses in place, reducing the possibility of them loosening or falling off during carrying. However, in actual use, there may still be issues such as inaccurate positioning, unstable fixation, or incomplete insertion after the stylus is inserted into the pen sleeve. This is especially true when the mobile device is shaken, vibrated, or subjected to external forces, causing the stylus to easily shift its position relative to the pen sleeve.

[0003] For use cases where an electrical connection needs to be established between the stylus and the protective case, the position of the stylus directly affects the reliability of the electrical connection. When the stylus is not accurately inserted into the corresponding position or when the position is shifted during use, poor contact or interruption of the electrical connection may occur.

[0004] Therefore, improving the positioning accuracy and stability of the stylus after it is installed in the pen case, so as to improve the reliability of its electrical connection with the power supply structure, is a technical problem that needs to be solved in this field. Utility Model Content

[0005] The main purpose of this utility model is to provide a magnetic phone case with a pen sleeve.

[0006] In order to achieve the above-mentioned utility model objectives, this utility model proposes a magnetic phone case with a pen sleeve, comprising: a shell, having a receiving groove for accommodating and installing mobile devices; A power supply component is mounted in the housing and is at least partially located within the receiving slot; A pen sleeve, installed on the side wall of the housing, has a pen slot for accommodating a stylus; The magnetic positioning element is provided in at least two sets, and the two sets of magnetic positioning elements are arranged adjacent to each other at the lower end of the pen cap; When the stylus is inserted into the pen slot in a preset direction, the magnetic positioning component is magnetically connected to the stylus, and the stylus is electrically connected to the power supply component.

[0007] Furthermore, the two sets of magnetic positioning elements are arranged adjacent to each other along the extension direction of the pen groove.

[0008] Furthermore, each set of magnetic positioning elements includes two first magnets arranged adjacent to each other along the extension direction of the pen slot.

[0009] Furthermore, the pen cap has a mounting cavity on the side facing the housing for mounting the first magnet, and a plurality of mounting cavities corresponding one-to-one with the plurality of first magnets, with each first magnet respectively mounted in the corresponding mounting cavity.

[0010] Furthermore, the power supply component includes a wireless receiving coil, a conversion unit, and a charging unit. The two ends of the conversion unit are electrically connected to the wireless receiving coil and the charging unit, respectively. The wireless receiving coil is used to receive the electrical energy wirelessly output by the mobile device in reverse. The conversion unit is used to convert the electrical energy received by the wireless receiving coil and then transmit it to the charging unit.

[0011] Furthermore, the charging unit includes a conductive terminal for electrical connection with the stylus, the conductive terminal being at least partially exposed within the pen slot, for contacting the power receiving end of the stylus when the stylus is inserted into place in a preset direction.

[0012] Furthermore, the pen cap has a mounting groove on the side facing the housing for mounting the charging unit.

[0013] Furthermore, the inner side of the housing is provided with a receiving groove for accommodating the wireless receiving coil, a strip groove for accommodating the conversion part, and a positioning groove for mounting the cover plate; When the cover plate is installed in the positioning groove, the cover plate covers the wireless receiving coil and the conversion part.

[0014] Furthermore, the housing is also provided with a groove surrounding the receiving slot, and a second magnet is installed in the groove, the second magnet being arranged circumferentially along the wireless receiving coil.

[0015] Beneficial effects: This utility model discloses a magnetic phone case with a pen sleeve. By incorporating a pen sleeve with a pen groove on the side wall of the case, the stylus can be stored and carried along with the mobile device, reducing the risk of loss when the stylus is placed separately. Simultaneously, the stylus and phone case form an integrated installation structure, facilitating user access and use. Furthermore, by arranging at least two sets of magnetic positioning elements adjacent to each other at the lower end of the pen sleeve, when the stylus is inserted into the pen groove in a predetermined direction, the magnetic positioning elements form a magnetic connection with the stylus, ensuring the stylus remains stably within the pen groove. This design is superior to a distributed structure where the magnetic positioning elements are located at both ends of the pen sleeve. At least two sets of magnetic positioning components are concentrated and adjacent to each other at the lower end of the pen sleeve. This can form a relatively concentrated magnetic attraction at the predetermined installation position of the stylus, which helps to improve the positioning accuracy and fixed stability of the stylus after insertion. It also reduces the possibility of the stylus becoming loose or falling out of the pen slot due to shaking, vibration, or external force of the mobile device. At the same time, the magnetic attraction and positioning effect of the magnetic positioning components on the stylus ensures that the stylus is inserted in the preset direction and remains in the position corresponding to the power supply component. This ensures a stable electrical connection between the stylus and the power supply component and reduces poor contact caused by incomplete insertion or positional deviation of the stylus. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a magnetic phone case with a pen sleeve according to an embodiment of the present invention; Figure 2 This is an exploded structural diagram of a magnetic phone case with a pen sleeve according to an embodiment of the present invention. Figure 3 This is a schematic diagram of some components of a magnetic phone case with a pen sleeve according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the shell structure of a magnetic phone case with a pen sleeve according to an embodiment of the present invention; Figure 5 This is a schematic diagram of a measuring platform for a magnetic phone case with a pen sleeve according to an embodiment of this utility model; Figure 6 This is a schematic diagram of a magnetic phone case with a pen sleeve according to an embodiment of the present invention. in: 10. Housing; 11. Receiving groove; 12. Accommodating groove; 13. Groove; 14. Positioning groove; 15. Strip groove; 20. Back cover; 30. Frame; 40. Pen cap; 41. Pen slot; 42. Mounting groove; 43. Mounting cavity; 51. Wireless receiving coil; 52. Conversion unit; 53. Charging unit; 531. Conductive terminal; 60. Magnetic positioning element; 61. First magnet; 70. Second magnet; 80. Cover plate; The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0017] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0018] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly and specifically defined.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0021] Reference Figures 1 to 6This embodiment provides a magnetic phone case with a pen sleeve 40, which includes a housing 10, a power supply component, a pen sleeve 40, and a magnetic positioning component 60. The housing 10 is used to accommodate and install the mobile device and carry the power supply component. The pen sleeve 40 is used to accommodate a stylus. The magnetic positioning component 60 is used to magnetically position the stylus inserted into the pen sleeve 40. The power supply component is used to receive the reverse wireless power output from the mobile device and to supply power to the stylus after the stylus is inserted into place.

[0022] It should be noted that the directional terms such as "inner side", "outer side", "upper end" and "lower end" mentioned in this embodiment are all based on the placement state of the phone case shown in the attached drawings, and are only used to describe the relative positional relationship between the components, and do not constitute a limitation on the actual use direction of the phone case.

[0023] The housing 10 is provided with a receiving slot 11 for accommodating and installing a mobile device. The mobile device can be installed in the receiving slot 11. The power supply component is installed in the housing 10 and is at least partially located in the receiving slot 11, so that the power supply component is close to the mobile device and corresponds to the reverse wireless power supply area of ​​the mobile device. The power supply component being at least partially located in the receiving slot 11 means that at least a portion of the power supply component is disposed on the side of the housing 10 forming the receiving slot 11 or disposed in the internal area of ​​the housing 10 corresponding to the receiving slot 11.

[0024] The pen sleeve 40 is installed on the side wall of the housing 10 and extends along the side wall of the housing 10. The pen sleeve 40 is provided with a pen slot 41 for accommodating the stylus. The pen slot 41 extends along the insertion direction of the stylus and limits the insertion path of the stylus. The stylus can be inserted into the pen slot 41 in a preset direction and moved to the insertion position corresponding to the power supply component.

[0025] The preset direction referred to in this embodiment means that the stylus is inserted into the pen slot 41 in a direction that enables its power receiving end to form an electrical connection with the power supply component. The lower end of the pen sleeve 40 refers to the end of the pen sleeve 40 that is close to the position where the stylus is inserted. When the stylus is inserted into the position along the preset direction, the power receiving end of the stylus corresponds to the power supply position of the power supply component.

[0026] At least two sets of magnetic positioning components 60 are provided. In this embodiment, two sets of magnetic positioning components 60 are specifically provided. The two sets of magnetic positioning components 60 are arranged adjacently at the lower end of the pen sleeve 40 so that the two sets of magnetic positioning components 60 are concentrated near the insertion position of the stylus, rather than being dispersed at the upper and lower ends of the pen sleeve 40 respectively. This forms a concentrated magnetic attraction area at the lower end of the pen sleeve 40 for positioning and stabilizing the stylus.

[0027] Two sets of magnetic positioning elements 60 are arranged adjacent to each other along the extension direction of the pen slot 41, so that the two sets of magnetic positioning elements 60 are distributed sequentially along the insertion direction of the stylus. When the stylus gradually approaches the insertion position, the stylus can enter the concentrated magnetic attraction area formed by the two sets of magnetic positioning elements 60, and continue to move towards the insertion position under the magnetic attraction.

[0028] Each set of magnetic positioning components 60 includes two first magnets 61 arranged adjacent to each other along the extension direction of the pen groove 41. The two sets of magnetic positioning components 60 include a total of four first magnets 61. The four first magnets 61 are all concentrated at the lower end of the pen sleeve 40 and arranged along the extension direction of the pen groove 41. Each set of magnetic positioning components 60 includes two first magnets 61, which is the specific structure of this embodiment.

[0029] The pen cap 40 has a mounting cavity 43 on the side facing the housing 10 for mounting the first magnet 61. Multiple mounting cavities 43 are provided and correspond one-to-one with multiple first magnets 61. Each first magnet 61 is installed in its corresponding mounting cavity 43. The multiple mounting cavities 43 are arranged along the extension direction of the pen groove 41 to limit the position of each first magnet 61 relative to the pen groove 41 and maintain the relative positional relationship between each first magnet 61. The stylus has a ferromagnetic component that can be attracted by the first magnet 61. The magnetic connection between the magnetic positioning component 60 and the stylus means that the first magnet 61 and the ferromagnetic component on the stylus form a magnetic attraction connection.

[0030] When the stylus is inserted into the pen slot 41 in a preset direction, the ferromagnetic component on the stylus moves along the pen slot 41 to a position corresponding to the two sets of magnetic positioning components 60. The two sets of magnetic positioning components 60 exert a magnetic attraction on the ferromagnetic component to guide the stylus to the insertion position and keep the stylus stably in that position, while simultaneously making the power receiving end of the stylus electrically connected to the power supply component.

[0031] Two sets of magnetic positioning components 60 are concentrated at the lower end of the pen sleeve 40, so that the magnetic attraction is concentrated in the insertion area of ​​the stylus. This allows for further attraction and positioning of the stylus when it approaches the insertion position, and restricts the stylus from moving along the extension direction of the pen groove 41 after it is inserted, thereby improving its fixation stability and power supply connection stability.

[0032] When the stylus is inserted into the pen slot 41 in a direction different from the preset direction, although the stylus can enter the pen slot 41, the ferromagnetic component on the stylus cannot form a matching magnetic attraction relationship with the two sets of magnetic positioning components 60 at the predetermined position. Therefore, the stylus is difficult to move smoothly to or stably maintain in the inserted position, and the power receiving end of the stylus cannot form an accurate and stable electrical connection with the power supply component.

[0033] The power supply component is used to obtain power from the mobile device and transmit the obtained power to the stylus inserted into the pen slot 41. The power supply component includes a power receiving part, a power conversion part 52 and a power output part at the upper level. In this embodiment, the power receiving part is a wireless receiving coil 51, the power conversion part 52 is a conversion part 52, and the power output part is a charging part 53.

[0034] Specifically, the power supply component includes a wireless receiving coil 51, a conversion unit 52, and a charging unit 53. The two ends of the conversion unit 52 are electrically connected to the wireless receiving coil 51 and the charging unit 53, respectively. The wireless receiving coil 51 is used to receive the electrical energy wirelessly output by the mobile device. The conversion unit 52 is used to convert the electrical energy received by the wireless receiving coil 51 and transmit it to the charging unit 53. The charging unit 53 is used to output electrical energy to the stylus after the stylus is inserted into place in a preset direction.

[0035] The wireless receiving coil 51 transmits electrical energy to the mobile device via wireless power transfer, rather than through a direct wire connection. After the mobile device enables the reverse wireless power supply function, the wireless receiving coil 51 receives the electrical energy wirelessly output by the mobile device and transmits the received electrical energy to the conversion unit 52.

[0036] One end of the conversion unit 52 is electrically connected to the wireless receiving coil 51, and the other end of the conversion unit 52 extends toward the pen cap 40 and is electrically connected to the charging unit 53 to form an electrical energy transfer path from the wireless receiving coil 51 through the conversion unit 52 to the charging unit 53. The conversion unit 52 is used to convert the electrical energy received by the wireless receiving coil 51 into electrical energy suitable for powering the stylus.

[0037] In this embodiment, the phone case does not have a storage battery for storing the electrical energy received by the wireless receiving coil 51. After the mobile device turns on reverse wireless power supply, the wireless receiving coil 51 receives the electrical energy output by the mobile device in real time and supplies power to the stylus through the conversion unit 52 and the charging unit 53. When the mobile device stops reverse wireless power supply, the power supply component stops outputting electrical energy to the stylus accordingly. The charging unit 53 includes a conductive terminal 531 for electrical connection with the stylus. The conductive terminal 531 is at least partially exposed in the pen slot 41. The stylus has a receiving end that cooperates with the conductive terminal 531. When the stylus is inserted into place in a preset direction, the receiving end contacts the conductive terminal 531 and forms an electrical connection, so that the charging unit 53 can supply electrical energy to the stylus.

[0038] The magnetic positioning component 60 and the conductive terminal 531 are positioned in coordination. When the magnetic positioning component 60 holds the stylus in the inserted position, the power receiving end of the stylus can continuously contact the conductive terminal 531, thereby reducing the possibility of the power receiving end separating from the conductive terminal 531 or unstable contact due to the stylus becoming loose or shifting in position.

[0039] The pen cap 40 has a mounting groove 42 for mounting the charging part 53 on the side facing the housing 10. The charging part 53 is mounted in the mounting groove 42, and at least a portion of the conductive terminal 531 is exposed facing the pen slot 41. The mounting groove 42 is used to define the position of the charging part 53 relative to the pen slot 41 so that the conductive terminal 531 corresponds to the position of the receiving end when the stylus is inserted in a preset direction.

[0040] The inner side of the housing 10 is provided with a receiving groove 12 for accommodating the wireless receiving coil 51. The wireless receiving coil 51 is installed in the receiving groove 12 to define the position of the wireless receiving coil 51 relative to the housing 10 and the mobile device, so that after the mobile device is installed in the receiving groove 11, the wireless receiving coil 51 can correspond to the reverse wireless power supply area of ​​the mobile device.

[0041] The inner side of the housing 10 is also provided with a strip groove 15 for accommodating the conversion unit 52. The strip groove 15 extends from the area where the wireless receiving coil 51 is located toward the pen sleeve 40. The conversion unit 52 is at least partially installed in the strip groove 15 and connects the wireless receiving coil 51 and the charging unit 53 along the strip groove 15, so that the wireless receiving coil 51, the conversion unit 52 and the charging unit 53 form a continuous power transmission path.

[0042] The inner side of the housing 10 is also provided with a positioning groove 14 for installing the cover plate 80. When the cover plate 80 is installed in the positioning groove 14, the cover plate 80 covers the wireless receiving coil 51 and the conversion part 52 to cover and limit the wireless receiving coil 51 and the conversion part 52. The receiving groove 12, the strip groove 15 and the positioning groove 14 together constitute the installation and positioning structure of the power supply component in the housing 10.

[0043] The housing 10 is also provided with a groove 13 surrounding the receiving groove 12. A second magnet 70 is installed in the groove 13. The second magnet 70 is arranged around the circumference of the wireless receiving coil 51 so as to achieve magnetic positioning with the magnetic structure on the side of the mobile device through the second magnet 70, so that the wireless receiving coil 51 and the reverse wireless power supply area of ​​the mobile device are in corresponding positions.

[0044] The second magnet 70 and the magnetic positioning component 60 located at the lower end of the pen sleeve 40 are magnetic structures with different functions and installation positions. The second magnet 70 is used for positioning between the mobile device and the wireless receiving coil 51, and the magnetic positioning component 60 is used for positioning and stabilizing the stylus when inserted into the pen slot 41. The second magnet 70 is arranged along the circumference of the wireless receiving coil 51 and is not limited to forming a completely closed continuous ring structure.

[0045] In use, the mobile device is installed in the receiving slot 11 of the housing 10. The second magnet 70 forms a magnetic positioning with the magnetic structure on the side of the mobile device, so that the wireless receiving coil 51 corresponds to the reverse wireless power supply area of ​​the mobile device. After the mobile device turns on the reverse wireless power supply, the wireless receiving coil 51 receives the electrical energy output by the mobile device. The conversion unit 52 converts the electrical energy received by the wireless receiving coil 51 and sends it to the charging unit 53.

[0046] When the stylus is inserted into the pen slot 41 in a preset direction, the pen slot 41 defines the insertion path of the stylus. The ferromagnetic component on the stylus gradually moves to the concentrated magnetic attraction area formed by the two sets of magnetic positioning components 60. The two sets of magnetic positioning components 60 exert a magnetic attraction on the ferromagnetic component and attract the stylus to the insertion position, so that the power receiving end of the stylus comes into contact with the conductive terminal 531 exposed in the pen slot 41.

[0047] After the power receiving end of the stylus comes into contact with the conductive terminal 531, the electrical energy output by the mobile device is sequentially transmitted to the stylus via the wireless receiving coil 51, the conversion unit 52 and the charging unit 53. During the power supply process, two sets of magnetic positioning members 60 arranged adjacent to each other at the lower end of the pen sleeve 40 keep the stylus stably in the inserted position to ensure the stability of the electrical connection between the stylus stylus and the power supply component.

[0048] In summary, this application provides a pen sleeve 40 with a pen slot 41 on the side wall of the housing 10, and at least two sets of magnetic positioning members 60 are arranged adjacent to each other at the lower end of the pen sleeve 40. When the stylus is inserted into the pen slot 41 in a preset direction, the ferromagnetic components on the stylus can form a magnetic attraction with the magnetic positioning members 60, thereby accurately and stably holding the stylus in the inserted position and ensuring reliable contact between the power receiving end of the stylus and the conductive terminal 531 of the charging unit 53. At the same time, the electrical energy output by the reverse wireless power supply of the mobile device can be transmitted to the stylus in sequence through the wireless receiving coil 51, the conversion unit 52 and the charging unit 53. The second magnet 70 can keep the wireless receiving coil 51 in correspondence with the reverse wireless power supply area of ​​the mobile device, thereby realizing the integration of the functions of stylus storage, insertion positioning, stable fixation and charging.

[0049] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the content of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A magnetic phone case with a pen sleeve, characterized in that, include: The housing has a receiving slot for accommodating and mounting mobile devices; A power supply component is mounted in the housing and is at least partially located within the receiving slot; A pen sleeve, installed on the side wall of the housing, has a pen slot for accommodating a stylus; The magnetic positioning element is provided in at least two sets, and the two sets of magnetic positioning elements are arranged adjacent to each other at the lower end of the pen cap; When the stylus is inserted into the pen slot in a preset direction, the magnetic positioning component is magnetically connected to the stylus, and the stylus is electrically connected to the power supply component.

2. The magnetic phone case with pen sleeve of claim 1, wherein, The two sets of magnetic positioning elements are arranged adjacent to each other along the extension direction of the pen groove.

3. The magnetic phone case with pen sleeve of claim 2, wherein, Each set of magnetic positioning elements includes two first magnets arranged adjacent to each other along the extension direction of the pen slot.

4. The magnetic phone case with pen sleeve of claim 3, wherein, The pen cap has a mounting cavity on the side facing the housing for mounting the first magnet. There are multiple mounting cavities corresponding one-to-one with the multiple first magnets, and each first magnet is installed in its corresponding mounting cavity.

5. The magnetic phone case with pen holder of claim 1, wherein, The power supply component includes a wireless receiving coil, a conversion unit, and a charging unit. The two ends of the conversion unit are electrically connected to the wireless receiving coil and the charging unit, respectively. The wireless receiving coil is used to receive the electrical energy wirelessly output by the mobile device. The conversion unit is used to convert the electrical energy received by the wireless receiving coil and then transmit it to the charging unit.

6. The magnetic phone case with pen holder of claim 5, wherein, The charging unit includes conductive terminals for electrical connection with the stylus, the conductive terminals being at least partially exposed within the pen slot, and for contacting the power receiving end of the stylus when the stylus is inserted into place in a preset direction.

7. The magnetic phone case with pen holder of claim 6, wherein, The pen cap has a mounting groove on the side facing the housing for mounting the charging unit.

8. The magnetic phone case with pen holder of claim 5, wherein, The inner side of the housing is provided with a receiving groove for accommodating the wireless receiving coil, a strip groove for accommodating the conversion part, and a positioning groove for mounting the cover plate. When the cover plate is installed in the positioning groove, the cover plate covers the wireless receiving coil and the conversion part.

9. The magnetic phone case with pen holder of claim 8, wherein, The housing is further provided with a groove surrounding the receiving slot, and a second magnet is installed in the groove, the second magnet being arranged circumferentially along the wireless receiving coil.

Images