CN116088696A

CN116088696A - Touch pen and electronic equipment assembly

Info

Publication number: CN116088696A
Application number: CN202210796116.5A
Authority: CN
Inventors: 齐骞; 路阳; 褚少杰
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-05-09
Also published as: WO2024007651A9; WO2024007651A1

Abstract

The embodiment of the application provides a touch pen and electronic equipment assembly, and the touch pen at least comprises: a circuit board and a pen holder with a hollow inside; the circuit board is arranged inside the penholder along the axial direction of the penholder, and is positioned on the central axis of the penholder; further comprises: at least one antenna assembly; the circuit board is provided with a first surface and a second surface opposite to the first surface; at least one of the antenna assemblies is located on the first surface or the second surface. Like this, can reduce the radiant performance influence to the stylus under holding the use scene to can promote the radiating effect of antenna, and then can ensure the wireless communication performance of stylus.

Description

Touch pen and electronic equipment assembly

Technical Field

The embodiment of the application relates to the technical field of terminals, in particular to a touch pen and an electronic equipment assembly.

Background

With the explosive growth of smartphones and tablet computers (tablet), more and more application software needs higher-precision touch, such as drawing software, so that the use of a touch pen is gradually wider, and the performance requirement on the touch pen is also higher and higher. According to different working principles, the touch pen is mainly divided into an inductive touch pen and a capacitive touch pen, and the capacitive touch pen comprises an active capacitive touch pen and a passive capacitive touch pen.

Currently, active capacitive touch pens mainly include: the pen comprises a pen point, a pen holder, electrodes and circuit boards and other components positioned in the touch pen. In order to provide power for the circuit board, a rechargeable battery is often arranged in the touch pen, and in order to charge the battery, a wireless charging coil is arranged on the touch pen. In addition, an antenna may be provided on the stylus pen to transmit and receive signals through the antenna. In the related art, since the pen body of the stylus is of a slender structure, an antenna is generally disposed on the inner side wall of the pen body, specifically, the antenna may be a laser direct-molding (Laser Direct Structuring, LDS) antenna or a flexible circuit board (Flexible Printed Circuit, FPC) antenna, and the LDS antenna or the FPC antenna is generally tightly attached to the inner side wall surface of the pen body, so as to realize the communication function of the stylus.

However, in the above-mentioned scheme, under the hand-held use scene, the radiation performance of staff to the stylus is great to can reduce the radiation effect of antenna, and then lead to the wireless communication performance of stylus to drop by a wide margin.

Disclosure of Invention

The embodiment of the application provides a stylus and electronic equipment subassembly, can reduce and hold the radiation performance influence to the stylus under the use scene to can promote the radiation effect of antenna, and then can ensure the wireless communication performance of stylus.

In a first aspect, an embodiment of the present application provides a stylus applied to an electronic device assembly, where the electronic device assembly includes an electronic device and a stylus used with the electronic device, and the stylus at least includes: a circuit board and a pen holder with a hollow inside; the circuit board is arranged inside the penholder along the axial direction of the penholder, and is positioned on the central axis of the penholder; further comprises: at least one antenna assembly; the circuit board is provided with a first surface and a second surface opposite to the first surface; at least one of the antenna assemblies is located on the first surface or the second surface.

According to the touch pen provided by the embodiment of the application, the antenna assembly is arranged on the first surface or the second surface of the circuit board, the circuit board is arranged inside the pen holder along the axial direction of the pen holder, the circuit board is located on the central axis of the pen holder, and the antenna assembly is also located at the position, close to the central axis of the pen holder, inside the pen holder relatively, of the antenna assembly, so that the antenna assembly is relatively far away from the outer side wall of the pen holder, when a user holds the touch pen in a hand, the outer side wall of the pen holder is tightly attached to the user, the distance between the user and the antenna assembly is far away, and the radiation performance influence of the user on the touch pen is relatively small.

In one possible implementation, the circuit board includes a stack arrangement: two surface plies and at least one intermediate ply between two of said surface plies; at least a portion of the surface plate layer acts as the antenna assembly.

At least part of the surface plate layer of the circuit board is designed to be an antenna assembly, so that the requirement that the antenna assembly is relatively located inside the penholder and close to the central axis of the penholder can be met, the distance between the antenna assembly and the outer side wall of the penholder is relatively far, and further, the distance between a human hand and the antenna assembly is far under the hand holding use scene, and the influence of the human hand on the radiation performance of the touch pen is reduced or avoided.

In one possible implementation, the antenna assembly is an on-board antenna. Through designing the antenna as on-board antenna, can make antenna structure laminating circuit board's structural design, improve the adaptation degree between antenna and the circuit board.

In one possible implementation, the circuit board includes a stack arrangement: two surface plies and at least one intermediate ply between two of said surface plies; the antenna assembly is located on a side of the surface ply facing away from the middle ply.

Through setting up antenna module on the one side that the surface plate layer of circuit board deviates from the middle sheet layer, can satisfy the demand that antenna module is located the pen-holder inside relatively and is close to pen-holder axis position department equally for the distance between antenna module and the pen-holder lateral wall is relatively far away, and then can ensure that under holding the use scene, the distance between people's hand and the antenna module is far away, reduces or avoids the radiation performance influence of staff to the stylus.

In one possible implementation, the antenna assembly is an on-board antenna, a laser direct structuring antenna, or a flexible circuit board antenna.

In one possible implementation, the area of the on-board antenna is 25mm ² -40mm ² . Therefore, the antenna can realize the radiation function in a smaller space, that is, the occupied space of the antenna on the circuit board can be reduced, and interference or influence on other components on the circuit board is avoided.

In one possible implementation, the antenna assembly operates in a frequency band of 2400MHz-2500MHz.

In one possible implementation, the electronic device has a receiving portion for receiving the stylus. The stylus can be stored in the storage part, so that the stylus is more portable to carry.

In one possible implementation manner, a first charging coil is arranged on the inner wall of the accommodating part, and a second charging coil corresponding to the first charging coil is arranged inside the pen holder; and at least one of the first charging coil and the second charging coil is an annular coil, and the annular coil is circumferentially arranged around the containing part or the stylus pen.

Through being equipped with first charging coil in wireless keyboard's storage part, be equipped with the second charging coil in the stylus, when the stylus is accomodate in storage part, first charging coil corresponds with the position of second charging coil, and at least one of first charging coil and second charging coil is annular coil, annular coil encircles around storage part or the circumference of stylus and sets up, like this, when the stylus blindly inserts in storage part, annular coil in first charging coil and the second charging coil can be coupled with another charging coil all the time, thereby realize 360 blind charging's of stylus effect, the alignment operation of wireless charging coil in the stylus and the wireless charging coil in the electronic equipment when having avoided the stylus to charge. Therefore, the problem that a user cannot quickly charge the stylus due to the fact that the charging coil is required to be aligned for many times when the conventional stylus is charged is solved, and the stylus can be charged in the storage part in a blind manner.

In one possible implementation, the loop coil is a 360 ° continuous loop coil, or alternatively, the loop coil is a non-closed loop coil. Like this, in the blind storage portion that inserts of stylus, the first charging coil on the storage portion can be all the time with the second charging coil coupling in the stylus, realized the effect that the blind storage portion that inserts of stylus in can all charge.

In one possible implementation, the accommodating portion is a cavity, and one end of the cavity has an opening into which the stylus can be inserted into the cavity. When in storage, the touch pen is inserted into the storage cavity through the opening.

In one possible implementation, the method further includes: and the limiting assembly is used for limiting the position of the touch pen in the containing part. Through spacing subassembly for the position is restricted when the stylus is accomodate in the storage, has prevented that the stylus from falling out from the storage in, and has ensured that the stylus remains the coupling throughout at charging in-process first charging coil and second charging coil.

In one possible implementation, the limiting assembly includes: an attracting magnet and a magnetic member attracted to the attracting magnet; one of the attracting magnet and the magnetic piece is located on the inner wall of the containing portion, and the other of the attracting magnet and the magnetic piece is located in the stylus.

Through spacing subassembly including adsorbing magnet and magnetic part, like this, in the blind portion of accomodating that inserts of stylus, the stylus all can realize fixing, and among the prior art, magnet in the stylus often need aim at with the magnet on electronic equipment or the wireless keyboard and just can realize adsorbing fixedly, consequently, in this embodiment, realized that the stylus all can realize fixed effect to 360 degrees blind insertions in the portion of accomodating.

In one possible implementation manner, the number of the limiting assemblies is two, and two adsorption magnets in the two groups of limiting assemblies are respectively positioned at two sides of the first charging coil; two magnetic pieces in the two groups of limiting assemblies are respectively positioned at two sides of the second charging coil.

In one possible implementation, the limiting assembly includes: the touch pen comprises an elastic buckle and a clamping groove clamped with the elastic buckle, wherein one of the elastic buckle and the clamping groove is arranged on the inner wall of the containing part, and the other of the elastic buckle and the clamping groove is arranged on the touch pen.

In one possible implementation, the method further includes: the spring component is positioned in the containing part, and when the stylus is contained in the containing part, one end of the spring component is contacted with the nib of the stylus; the spring component is used for being compressed when the touch pen is contained in the containing part, and driving the touch pen to pop out after one end of the touch pen is pressed.

Through setting up the spring assembly, realized the effect that the stylus was conveniently got in storage portion and put, in addition, when the stylus was inserted in storage portion, the user can judge whether the stylus inserts in place in storage portion through the cooperation of stylus and spring assembly.

In one possible implementation, the method further includes: the sensing component is used for being triggered when the touch pen is inserted into the containing part in place, so that the touch pen starts to charge.

The sensing component is used for being triggered when the touch pen is inserted into the accommodating part in place, so that whether the touch pen is started to be charged or not can be controlled according to signals generated when the sensing component is triggered.

In one possible implementation, the sensing component is a pressure sensor, the pressure sensor is located in the accommodating portion, the pressure sensor is in contact with one end of the spring component, and the pressure sensor is used for detecting the pressure applied when the spring component is compressed.

In one possible implementation, the sensing component is an infrared sensor, the infrared sensor is disposed in the accommodating portion, and the infrared sensor is close to one end of the spring component facing the stylus pen point.

In one possible implementation, the sensing assembly includes: the device comprises a storage part, an annular magnet and a Hall sensor corresponding to the annular magnet, wherein one of the annular magnet and the Hall sensor is arranged on the inner wall of the storage part, and the other of the annular magnet and the Hall sensor is arranged in the stylus.

Like this, when the stylus inserts in place in the storage, hall sensor can sense the magnetic force line that ring magnet produced, hall sensor can be connected with the circuit board electricity in the stylus, the circuit board in the stylus can be according to the signal that hall sensor responded to wireless keyboard's control send the signal that starts the charging, the control panel in the wireless keyboard releases the charging signal like this, charge management module provides the direct current signal to the second charge coil according to the charging signal of receipt, begin to charge for the stylus.

In one possible implementation manner, the ring magnet is a 360 ° ring magnet, or the ring magnet is a non-closed ring magnet formed by two semicircular ring magnets arranged at intervals.

In a second aspect, embodiments of the present application provide an electronic device assembly, including at least: electronic equipment and the stylus of any one of the above.

The display screen that this embodiment provided, this display screen includes the stylus, this stylus is through setting up antenna assembly on the first surface or the second surface of circuit board, because the circuit board sets up inside the pen-holder along the axial direction of pen-holder, and the circuit board is located the axis of pen-holder, antenna assembly also can be located the inside position department that is close to the pen-holder axis of pen-holder relatively, like this, antenna assembly is far away from the distance of pen-holder lateral wall relatively, when holding the stylus in hand under the use scene, the staff is hugged closely the pen-holder lateral wall, distance between staff and the antenna assembly is far away, the staff also can be less relatively to the radiation performance influence of stylus, therefore, the radiation performance influence of hand to the stylus under the use scene can be reduced, thereby can promote the radiation effect of antenna, and then can ensure the wireless communication performance of stylus.

In one possible implementation, the electronic device includes: an electronic equipment body and a wireless keyboard connected with the electronic equipment body in a wireless way; the wireless keyboard is provided with a containing part for containing the touch pen.

In one possible implementation, the method further includes: and the charging indication module is used for indicating when the wireless keyboard charges the touch pen.

Therefore, a user intuitively observes whether the stylus starts to charge through the charging indication module, and correspondingly, when the charging of the stylus is completed, the charging indication module can also indicate the charging completion state.

In one possible implementation manner, the electronic device body is provided with a touch screen, the charging indication module is located in the electronic device body, and the charging indication module is provided with a charging display unit, and the charging display unit is used for displaying the charging state of the touch pen through the touch screen when the wireless keyboard charges the touch pen; or the charging indication module is arranged on the wireless keyboard and comprises an indication lamp, and the indication lamp indicates the charging state of the touch pen.

Drawings

FIG. 1 is a schematic view of a scenario suitable for use in an embodiment of the present application;

FIG. 2 is a schematic diagram illustrating interaction between a stylus and an electronic device according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a stylus according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of a partially disassembled structure of a stylus according to an embodiment of the present application;

FIG. 5 is a schematic diagram illustrating an assembly of a stylus and a wireless keyboard according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a stylus pen according to an embodiment of the present disclosure in a housing portion of a wireless keyboard;

FIG. 7 is a schematic cross-sectional view of a stylus according to an embodiment of the disclosure;

FIG. 8 is a schematic cross-sectional view of a circuit board in a stylus according to an embodiment of the disclosure;

fig. 9 is a schematic structural diagram of an antenna assembly in a stylus according to an embodiment of the present disclosure;

FIG. 10 is a schematic diagram illustrating antenna efficiency of an antenna assembly in a stylus according to an embodiment of the present disclosure;

FIG. 11 is a schematic diagram illustrating antenna efficiency of an antenna assembly in a stylus according to an embodiment of the present disclosure;

FIG. 12 is a graph showing the performance of the antenna assembly of the stylus according to one embodiment of the present disclosure under different usage conditions;

fig. 13 is a graph comparing performance of the antenna assembly of the stylus according to an embodiment of the present disclosure under different usage conditions.

Reference numerals illustrate:

100-stylus; 110-nib; 110 a-gap;

111-writing end; 112-a connection end; 120-penholders;

130-a rear cover; 121-a spindle assembly; 1211-external threads;

140-a pressure sensing component; 150-a circuit board; 1501-a first surface;

151-surface plate layers; 152-middle ply; 1502-a second surface;

160-an antenna assembly; 161-radiating elements; 162-feeding unit;

163-matching circuit; 170-a processor; 171-a connector;

181-a second charging coil; 182-attracting magnet; 183-component area;

190-a battery assembly; l1-central axis; 210-an electronic device body;

211-a touch screen; 220-wireless keyboard; 221-a bracket;

222-a keyboard body; 223-a housing part; 2231-opening;

200-an electronic device; 300-electronic device assembly.

Detailed Description

The terminology used in the description of the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of a scenario suitable for the embodiment of the present application. Referring to fig. 1, a stylus (stylus) 100, an electronic device body 210, and a wireless keyboard 220 are included in the scene. In fig. 1, an electronic device body 210 is illustrated as a tablet computer (tablet). The stylus 100 and the wireless keyboard 220 may provide input to the electronic device body 210, and the electronic device body 210 performs an operation responsive to the input based on the input of the stylus 100 or the wireless keyboard 220. A touch area may be provided on the wireless keyboard 220, the stylus 100 may operate the touch area of the wireless keyboard 220, input may be provided to the wireless keyboard 220, and the wireless keyboard 220 may perform an operation responsive to the input based on the input of the stylus 100.

In one embodiment, the stylus 100 and the electronic device body 210, the stylus 100 and the wireless keyboard 220, and the electronic device body 210 and the wireless keyboard 220 may be interconnected by a communication network to implement interaction of wireless signals. The communication network may include, but is not limited to: WI-FI hotspot networks, WI-FI peer-to-peer (P2P) networks, bluetooth networks, zigbee networks, or near field communication (near field communication, NFC) networks.

The stylus 100 may be, but is not limited to: inductive pens and capacitive pens. When the electronic device body 210 has a touch screen 211 and the stylus 100 is an inductive pen, an electromagnetic induction board needs to be integrated on the touch screen 211 of the electronic device body 210 that interacts with the stylus 100. The electromagnetic induction plate is distributed with coils, and the induction pen is also integrated with the coils. Based on the electromagnetic induction principle, in the magnetic field range generated by the electromagnetic induction plate, along with the movement of the induction pen, the induction pen can accumulate electric energy. The inductive pen can transmit the accumulated electric energy to the electromagnetic induction plate through the coil in the inductive pen through free oscillation. The electromagnetic induction plate can scan the coil on the electromagnetic induction plate based on the electric energy from the induction pen, and calculate the position of the induction pen on the touch screen 211. It is understood that the stylus 100 may be referred to as a stylus.

The capacitive pen may include: passive capacitive pens and active capacitive pens. Passive capacitive pens may be referred to as passive capacitive pens and active capacitive pens may be referred to as active capacitive pens.

One or more electrodes may be provided in the active capacitive pen (e.g., within nib 110) through which the active capacitive pen may emit a signal. When the stylus 100 is an active capacitive stylus, an electrode array is required to be integrated on the touch screen 211 of the electronic device body 210 that interacts with the stylus 100. In one embodiment, the electrode array may be a capacitive electrode array. The electronic device body 210 may receive a signal from the active capacitive pen through the electrode array, and further identify a position of the active capacitive pen on the touch screen 211 and an inclination angle of the active capacitive pen based on a change of a capacitance value on the touch screen 211 when the signal is received.

When the stylus 100 is an active capacitive stylus, referring to fig. 2, after the electronic device body 210 is wirelessly connected to the stylus 100, the electronic device body 210 may send an uplink signal to the stylus 100 through an electrode array integrated on the touch screen 211. The stylus 100 may receive the uplink signal through the receiving electrode, and the stylus 100 may transmit the downlink signal through the transmitting electrode. The downstream signal includes the first signal and the second signal described above. When the tip 110 of the stylus 100 contacts the touch screen 211, the capacitance value at the corresponding position of the touch screen 201 changes, and the electronic device body 210 can determine the position of the tip 110 of the stylus 100 on the touch screen 211 based on the capacitance value on the touch screen 211. In one embodiment, the upstream and downstream signals may be square wave signals.

Fig. 3 is a schematic structural diagram of the stylus 100. Referring to fig. 3, the stylus 100 may include a nib 110, a barrel 120, and a rear cover 130. The inside of the pen holder 120 is a hollow structure, the nib 110 and the rear cover 130 are respectively located at two ends of the pen holder 120, and the rear cover 130 and the pen holder 120 can be inserted or clamped, so that the matching relationship between the nib 110 and the pen holder 120 is detailed in the description of fig. 4.

Fig. 4 is a partially disassembled structure schematic diagram of the stylus 100. Referring to fig. 4, the stylus 100 may further include a spindle assembly 121, the spindle assembly 121 being disposed in the barrel 120, and the spindle assembly 121 being slidably disposed in the barrel 120. Spindle assembly 121 has external threads 1211 thereon and nib 110 includes writing end 111 and connecting end 112, wherein connecting end 112 of nib 110 has internal threads (not shown) that mate with external threads 1211.

When the spindle assembly 121 is assembled into the barrel 120, the connecting end 112 of the nib 110 extends into the barrel 120 and is threadedly coupled with the external threads 1211 of the spindle assembly 121. In some other examples, the connection between the connection end 112 of the nib 110 and the spindle assembly 121 may also be detachably achieved by a snap fit or the like. The pen tip 110 is replaced by detachably connecting the connecting end 112 of the pen tip 110 with the spindle assembly 121.

In order to detect the pressure applied to the writing end 111 of the nib 110, referring to fig. 3, a gap 110a is formed between the nib 110 and the barrel 120, so that when the writing end 111 of the nib 110 is subjected to an external force, the nib 110 can move towards the barrel 120, and the movement of the nib 110 drives the spindle assembly 121 to move in the barrel 120.

In the detection of the pressure, referring to fig. 4 and 5, a pressure sensing assembly 140 may be disposed on the spindle assembly 121, and a portion of the pressure sensing assembly 140 is fixedly connected with a fixing structure in the barrel 120, and a portion of the pressure sensing assembly 140 is fixedly connected with the spindle assembly 121. Thus, when the spindle assembly 121 moves along with the nib 110, since a portion of the pressure sensing assembly 140 is fixedly connected with the fixing structure in the pen holder 120, the movement of the spindle assembly 121 drives the pressure sensing assembly 140 to deform, the deformation of the pressure sensing assembly 140 is transmitted to the circuit board 150 (for example, the pressure sensing assembly 140 and the circuit board 150 can be electrically connected through a wire or a flexible circuit board), and the circuit board 150 detects the pressure of the writing end 111 of the nib 110 according to the deformation of the pressure sensing assembly 140, so that the thickness of the line of the writing end 111 can be controlled according to the pressure of the writing end 111 of the nib 110.

Note that the pressure detection of the pen tip 110 includes, but is not limited to, the above method. For example, the pressure of the pen tip 110 may be detected by a pressure sensor provided in the writing end 111 of the pen tip 110.

It should be understood that the structure illustrated in the embodiments of the present application does not constitute a specific limitation on the stylus 100. In other embodiments of the present application, stylus 100 may include more or fewer components than shown, or certain components may be combined, or certain components may be split, or different arrangements of components. For example, stylus 100 may also include a transmitting electrode, a ground electrode, a processor, and the like. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

In order to implement the communication function of the electronic device 200, an antenna may be generally provided within the stylus 100 to transmit and receive signals through the antenna. The antenna performance level of the stylus 100 in an actual use scenario is directly related to the actual experience of the user.

In the related art, since the pen body of the stylus 100 is of an elongated structure, an antenna is generally disposed on the inner side wall of the pen cap or the pen body, specifically, the antenna may be a laser direct-molding (Laser Direct Structuring, LDS) antenna or a flexible circuit board 150 (Flexible Printed Circuit, FPC) antenna, and the LDS antenna or the FPC antenna is generally tightly attached to the inner side wall surface of the pen body, so as to implement the communication function of the stylus 100.

However, the antenna performance is greatly affected by the human body part. Because the human body part belongs to the dielectric medium, when the human body part such as a head or a hand is close to the antenna, resonance frequency shift and radiation energy absorption can be caused to the antenna, and radiation performance is seriously affected. For example, in a hand-held use scenario, the radiation performance of the stylus 100 is greatly affected by a hand, which reduces the radiation effect of the antenna, and further greatly reduces the wireless communication performance of the stylus 100.

Based on this, the embodiment of the application provides a new stylus and an electronic device 200 with the stylus, where the stylus can be applied to the electronic device 200 (such as a mobile phone or a computer) for solving the above technical problems. The stylus includes at least: a circuit board and a pen holder with a hollow inside; the circuit board is arranged in the penholder along the axial direction of the penholder, and is positioned on the central axis of the penholder; further comprises: at least one antenna assembly; the circuit board is provided with a first surface and a second surface opposite to the first surface; at least one antenna assembly is located on the first surface or the second surface. Like this, can reduce and hold the radiation performance influence to the stylus under the use scene to can promote the radiation effect of antenna, ensure the wireless communication performance of stylus, and then can promote user's result of use.

It should be noted that the low SAR antenna device provided in the present application is applicable to the electronic device 200 employing any one or more of the following communication technologies, for example, long term evolution (long term evolution, LTE) communication technology, wi-Fi communication technology, 5G communication technology, SUB-6G communication technology, and other communication technologies in the future.

The specific structure of the stylus will be described in detail below with reference to the specific drawings (the following embodiments do not emphasize the requirements of the communication network, and only illustrate the operation characteristics of the antenna assembly in terms of frequency.

Referring to fig. 3 and 4, the embodiment of the present application provides a stylus 100, where the stylus 100 may be applied to an electronic device assembly 300, and the electronic device assembly 300 may include an electronic device 200 and the stylus 100 used with the electronic device 200.

Among other things, the electronic device 200 may include: the electronic device body 210 and the wireless keyboard 220 wirelessly connected to the electronic device body 210, the electronic device body 210 may include, but is not limited to, mobile or fixed terminals such as a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a handheld computer, an intercom, a netbook, a Point of sale (POS) device, a personal digital assistant (personal digital assistant, PDA), a wearable device, a virtual reality device, a wireless U-disc, a bluetooth sound/earphone, or a vehicle front-loading, a vehicle recorder, a security device, etc.

Referring to fig. 5 and 6, the wireless keyboard 220 may include a stand 221 and a keyboard body 222. The stand 221 is used for placing the electronic device body 210, and a key, a touch pad, etc. for user operation may be provided on the keyboard main body 222.

When the wireless keyboard 220 is in use, the stand 221 and the keyboard body 222 of the wireless keyboard 220 need to be opened, and when the wireless keyboard 220 is not in use, the stand 221 and the keyboard body 222 of the wireless keyboard 220 can be closed.

In one embodiment, the wireless keyboard 220 is rotatably coupled between the bracket 221 and the keyboard body 222. For example, the support 221 may be coupled to the keyboard body 222 by a hinge or a pivot, or in some examples, the support 221 may be rotatably coupled to the keyboard body 222 by a flexible material (e.g., a leather material or a cloth material). Alternatively, in some examples, the bracket 221 and the keyboard body 222 may be integrally formed, and the connection between the bracket 221 and the keyboard body 222 may be bent by a thinning process such that the connection between the bracket 221 and the keyboard body 222. The connection between the bracket 221 and the keyboard body 222 may include, but is not limited to, the above-mentioned several rotational connection modes.

Specifically, as shown in fig. 7, the stylus 100 may include at least: the circuit board 150 and the pen holder 120 with hollow inside, wherein the circuit board 150 is disposed inside the pen holder 120 along the axial direction of the pen holder 120, and the circuit board 150 is located on the central axis L1 of the pen holder 120.

With continued reference to fig. 7, the stylus 100 may further include: at least one antenna assembly 160, wherein the circuit board 150 has a first surface 1501 and a second surface 1502, the first surface 1501 being opposite the second surface 1502, as shown in fig. 8, the at least one antenna assembly 160 may be located on the first surface 1501 or the second surface 1502 of the circuit board 150.

Through setting up antenna assembly 160 on the first surface 1501 or the second surface 1502 of circuit board 150, because circuit board 150 sets up inside pen-holder 120 along the axial direction of pen-holder 120, and circuit board 150 is located on the axis L1 of pen-holder 120, antenna assembly 160 also can be located the inside position department that is close to pen-holder 120 axis L1 of pen-holder 120 relatively, in this way, antenna assembly 160 is relatively far away from the distance of pen-holder 120 lateral wall, when holding the use scene in hand, the staff is hugged closely pen-holder 120 lateral wall, the distance between staff and antenna assembly 160 is far away, the staff also can be less to the radiation performance influence of stylus 100 under the use scene in hand, therefore, the embodiment of the application can reduce the radiation performance influence of hand to stylus 100, thereby can promote the radiation effect of antenna, and then can ensure the antenna performance of stylus 100.

Referring to fig. 9, the antenna assembly 160 may include at least: the radiation unit 161, the feeding unit 162, and the matching circuit 163, wherein one end of the feeding unit 162 is connected to the matching circuit 163, and the other end of the feeding unit 162 is connected to the radiation unit 161.

In addition, the matching circuit 163 is further connected to the processor 170 through a connection member 171, wherein the connection member 171 may be a connection wire or a flexible circuit board, etc., which is not limited in the embodiment of the present application.

It will be appreciated that in the embodiments of the present application, the specific manner of forming the antenna assembly 160 on the circuit board 150 includes, but is not limited to, the following two possible implementations:

one possible implementation is: the circuit board 150 may include a stack arrangement: two surface plate layers 151 and at least one middle plate layer 152, wherein at least one middle plate layer 152 may be located between two surface plate layers 151, at least a portion of surface plate layers 151 may function as an antenna assembly 160 for stylus 100.

By designing at least part of the surface plate layer 151 of the circuit board 150 as the antenna assembly 160, the requirement that the antenna assembly 160 is relatively located inside the pen holder 120 and close to the central axis L1 of the pen holder 120 can be met, so that the distance between the antenna assembly 160 and the outer side wall of the pen holder 120 is relatively far, further, the distance between the hand and the antenna assembly 160 is relatively far under the hand-held use condition, and the influence of the hand on the radiation performance of the stylus 100 is reduced or avoided.

At this time, in the embodiment of the present application, the antenna assembly 160 may be an on-board antenna. Through designing the antenna as the on-board antenna, can make the structural design of antenna structure laminating circuit board 150, improve the adaptation degree between antenna and the circuit board 150.

Another possible implementation is: the circuit board 150 may include a stack arrangement: two surface plies 151 and at least one intermediate ply 152, wherein at least one intermediate ply 152 is located between two surface plies 151 and an antenna assembly 160 is located on a side of the surface plies 151 facing away from the intermediate ply 152.

Through setting up antenna assembly 160 on the one side that the surface plate layer 151 of circuit board 150 deviates from middle plate layer 152, can satisfy the demand that antenna assembly 160 is located the inside position department that is close to the axis L1 of pen-holder 120 relatively equally for the distance between antenna assembly 160 and the pen-holder 120 lateral wall is relatively far away, and then can ensure that under holding the use scene, the distance between staff and antenna assembly 160 is far away, reduces or avoids the staff to the radiation performance influence of stylus 100.

At this time, in the embodiment of the present application, the antenna assembly 160 may be an on-board antenna, a laser direct-molding antenna, or a flexible circuit board antenna.

It should be noted that, in the embodiment of the present application, the on-board Antenna may adopt a composite right/left-handed Antenna (CRLH), which helps to excite the whole board current, and reduce the influence of hand holding, so as to achieve higher Antenna efficiency.

Based on the above embodiment, the area of the on-board antenna may be 25mm ² -40mm ² . Thus, the antenna can realize the radiation function in a smaller space, that is, the occupied space of the antenna on the circuit board 150 can be reduced, and interference or influence on other components on the circuit board 150 can be avoided. In addition, on-board antenna can realize antenna performance in a very small space on the circuit board 150 on the premise of having the advantages of high antenna efficiency and small hand touch drop, thereby saving antenna cost to a great extent.

An on-board antenna may be, for example, 25mm in area ² 、30mm ² 、35mm ² Or 40mm ² And the like, embodiments of the present application are not limited thereto.

In one possible implementation, the size of the on-board antenna may be 3mm by 11mm, so as to reach 33mm ² Is provided.

It should be noted that, the numerical values and numerical ranges referred to in the present application are approximate values, and may have a certain range of errors under the influence of the manufacturing process, and those errors may be considered to be negligible by those skilled in the art.

In some embodiments, the operating frequency band of the antenna assembly 160 may be 2400MHz-2500MHz. Illustratively, the operating frequency band of the antenna assembly 160 may be 2400MHz, 2420MHz, 2440MHz, 2460MHz, 2480MHz, 2500MHz, or the like, which is not limited by the embodiments of the present application.

It can be understood that, in the embodiment of the present application, referring to fig. 10 and 11, S1 is a graph of the antenna reflection coefficient of the antenna assembly 160 with respect to frequency, S2 is a graph of the reflection efficiency of the antenna assembly 160 with respect to frequency, S3 is a graph of the total efficiency of the antenna assembly 160 with respect to frequency, wherein fig. 10 is a simulation test chart of the antenna assembly 160, and fig. 11 is an actual test chart of the antenna assembly 160, and as can be seen from fig. 10 and 11, the antenna assembly 160 resonates at 2.4G.

Fig. 12 shows a graph of antenna performance versus free space and different hand-held pose of the antenna assembly 160. As shown in fig. 12, E1 is a graph of radiation efficiency corresponding to the antenna assembly 160 provided in the embodiment of the present application when in free space, E2 is a graph of radiation efficiency corresponding to the antenna assembly 160 provided in the embodiment of the present application when in the first holding posture, E3 is a graph of radiation efficiency corresponding to the antenna assembly 160 provided in the embodiment of the present application when in the second holding posture, E4 is a graph of radiation efficiency corresponding to the antenna assembly 160 provided in the embodiment of the present application when in the third holding posture, E5 is a graph of radiation efficiency corresponding to the antenna assembly 160 provided in the embodiment of the present application when in the fourth holding posture, as can be seen from the figure, since the antenna assembly 160 is relatively located at a position inside the pen holder 120 near the central axis L1 of the pen holder 120, the distance between the antenna assembly 160 and the outer side wall of the pen holder 120 is relatively far, in this way, in the holding use scenario, the distance between the human hand and the antenna assembly 160 is far, and thus the radiation performance of the antenna assembly 160 is less affected by the human hand.

In addition, fig. 13 compares antenna efficiency when the antenna assembly 160 is an on-board antenna or when the antenna assembly 160 is a flexible circuit board antenna. As shown in fig. 13, R1 is an antenna efficiency graph corresponding to a flexible circuit board antenna provided in an embodiment of the present application in free space, R2 is an antenna efficiency graph corresponding to a flexible circuit board antenna provided in an embodiment of the present application in a hand-held scene, R3 is an antenna efficiency graph corresponding to an onboard antenna provided in an embodiment of the present application in free space, and R4 is an antenna efficiency graph corresponding to an onboard antenna provided in an embodiment of the present application in a hand-held scene. As can be seen, the antenna efficiency of the on-board antenna is better than that of the flexible circuit board antenna, both in free space and in hand-held scenarios.

In addition, the embodiment of the application also respectively carries out the pull-apart test on the on-board antenna and the flexible circuit board antenna, and test data of an actual test scene show that the pull-apart performance of the on-board antenna is far away due to the flexible circuit board antenna. Specifically, when the on-board antenna performs the pull-apart test in the hand-held scene, the test results are all passed when the test distances are 0m,5m,10m,15m and 20m, and the limit pull-apart distance (the farthest test distance) is 70m. When the flexible circuit board antenna is subjected to a pull-apart test in a hand-held scene, the test results are all passed when the test distances are 0m,5m,10m,15m and 20m, and the ultimate pull-apart distance (the farthest test distance) is 38m.

In addition, as shown in fig. 5 and 6, in the embodiment of the present application, the electronic device body 210 or the wireless keyboard 220 may have a receiving portion 223, where the receiving portion 223 is used to receive the stylus pen 100. In this way, the stylus 100 can be accommodated in the accommodation portion 223, making the stylus 100 more portable.

In one possible implementation, the accommodating portion 223 may be a cavity, and one end of the cavity may have an opening 2231 into which the stylus 100 may be inserted. When stored, the stylus 100 can be inserted into the storage cavity through the opening 2231.

It may be appreciated that, in the embodiment of the present application, a first charging coil (not shown in the drawing) may be disposed on an inner wall of the accommodating portion 223, a second charging coil 181 (see fig. 7) may be disposed inside the pen holder 120, the second charging coil 181 corresponds to the first charging coil, and at least one of the first charging coil and the second charging coil 181 may be a ring-shaped coil, which may be circumferentially disposed around the accommodating portion 223 or the stylus pen 100.

By arranging the first charging coil in the accommodating portion 223 of the wireless keyboard 220, and arranging the second charging coil 181 in the stylus 100, when the stylus 100 is accommodated in the accommodating portion 223, the first charging coil corresponds to the position of the second charging coil 181, and at least one of the first charging coil and the second charging coil 181 is a ring-shaped coil, and the ring-shaped coil is circumferentially arranged around the accommodating portion 223 or the stylus 100, so that when the stylus 100 is blindly inserted into the accommodating portion 223, the ring-shaped coil in the first charging coil and the second charging coil 181 is always coupled with the other charging coil, thereby realizing the function of 100360 DEG blind insertion charging of the stylus 100 and avoiding the alignment operation of the wireless charging coil in the stylus 100 and the wireless charging coil in the electronic device 200 when the stylus 100 is charged. Therefore, the stylus pen 100 can be charged by blind insertion into the storage part 223, and the problem that the user cannot rapidly charge the stylus pen 100 due to the fact that the charging coil is required to be aligned for many times when the conventional stylus pen 100 is charged is solved.

In one possible implementation, the toroidal coil may be a 360 ° continuous toroidal coil, or the toroidal coil may be a non-closed toroidal coil. In this way, the stylus pen 100 is blindly inserted into the accommodating portion 223, and the first charging coil on the accommodating portion 223 is always coupled with the second charging coil 181 in the stylus pen 100, so that the effect that the stylus pen 100 can be blindly inserted into the accommodating portion 223 for charging is achieved.

It is understood that in the embodiment of the present application, the stylus 100 may further include: the at least one set of limiting components is used for limiting the position of the stylus 100 in the storage portion 223. By providing the limiting component, the position of the stylus 100 can be limited when the stylus 100 is stored in the storage part 223, the stylus 100 is prevented from falling out of the storage part 223, and the first charging coil and the second charging coil 181 are ensured to be always coupled in the charging process.

It should be noted that, in the embodiment of the present application, the specific structure of the limiting assembly includes, but is not limited to, the following two possible implementation manners:

one possible implementation is: the spacing assembly may include: the attraction magnet 182 and a magnetic member (not shown) are attracted to the attraction magnet 182, and one of the attraction magnet 182 and the magnetic member is located on an inner wall of the housing portion 223, and the other of the attraction magnet 182 and the magnetic member is located in the stylus 100.

Through spacing subassembly can include absorption magnet 182 and magnetic part, like this, in the blind portion 223 of accomodating of stylus 100, stylus 100 all can realize fixing, and among the prior art, the magnet in the stylus 100 often need aim at with the magnet on electronic equipment body 210 or the wireless keyboard 220 and just can realize absorption fixedly, consequently, in this embodiment of the application, has realized that 360 degrees blind the of stylus 100 in to accomodating portion 223 all can realize fixed effect.

At this time, the number of the limiting assemblies may be two, and two attracting magnets 182 in the two groups of limiting assemblies may be respectively located at two sides of the first charging coil, and two magnetic members in the two groups of limiting assemblies may be respectively located at two sides of the second charging coil 181.

Another possible implementation is: the spacing assembly may include: the elastic buckle and the clamping groove (not shown in the figure) are clamped with each other, and one of the elastic buckle and the clamping groove is arranged on the inner wall of the containing part 223, and the other of the elastic buckle and the clamping groove is arranged on the touch pen 100.

With continued reference to fig. 7, the stylus 100 may further include: at least one component area 183, the component area 183 is used for placing components, for example, the component area 183 may be used for placing a processor, a chip, and the like.

In addition, the wireless keyboard 220 may further include: a snap assembly (not shown in the drawings), wherein the snap assembly may be located in the receiving portion 223, and when the stylus 100 is received in the receiving portion 223, one end of the snap assembly is in contact with the nib 110 of the stylus 100, the snap assembly is configured to be compressed when the stylus 100 is received in the receiving portion 223, and to drive the stylus 100 to pop out after one end of the stylus 100 is pressed.

Through setting up the spring assembly, realized the effect that stylus 100 was conveniently got in storage portion 223 put, in addition, when stylus 100 was inserted in storage portion 223, the user can judge through the cooperation of stylus 100 and spring assembly that stylus 100 is inserted in place in storage portion 223.

In an embodiment of the present application, the stylus 100 may further include: a sensing component (not shown in the drawings), wherein the sensing component is used for being triggered when the stylus 100 is inserted into place in the storage portion 223, so that the stylus 100 starts to charge. The sensing component is used to be triggered when the stylus 100 is inserted into place in the receiving portion 223, so that whether to start charging the stylus 100 can be controlled according to a signal generated when the sensing component is triggered.

It should be noted that, in the embodiment of the present application, the specific structure of the sensing component may include, but is not limited to, the following three possible implementations:

one possible implementation is: the sensing component may be a pressure sensor, where the pressure sensor is located in the accommodating portion 223, and the pressure sensor contacts one end of the spring component, and the pressure sensor is used for detecting the pressure applied when the spring component is compressed.

Another possible implementation is: the sensing component may be an infrared sensor disposed in the receiving portion 223, and the infrared sensor is close to one end of the snap component facing the nib 110 of the stylus 100.

Yet another possible implementation is: the sensing assembly may include: the ring magnet and the hall sensor, wherein the hall sensor corresponds to the ring magnet, and one of the ring magnet and the hall sensor is provided on the inner wall of the housing portion 223, and the other of the ring magnet and the hall sensor is provided in the stylus pen 100.

Thus, when the stylus 100 is inserted into the accommodating portion 223, the hall sensor can sense magnetic force lines generated by the ring magnet, the hall sensor can be electrically connected with the circuit board 150 in the stylus 100, the circuit board 150 in the stylus 100 can send a signal for starting charging to the control of the wireless keyboard 220 according to the signal sensed by the hall sensor, so that the control board in the wireless keyboard 220 releases the charging signal, and the charging management module provides a direct current electric signal to the second charging coil 181 according to the received charging signal to start charging the stylus 100.

In one possible implementation, the ring magnet may be a 360 ° ring magnet, or the ring magnet may be a non-closed ring magnet formed by two semicircular ring magnets arranged at intervals.

In an embodiment of the present application, the stylus 100 may further include: a charging indication module (not shown in the figure) is used for indicating when the wireless keyboard 220 charges the stylus 100.

In this way, the user intuitively observes whether the stylus 100 starts charging through the charging indication module, and correspondingly, when the charging of the stylus 100 is completed, the charging indication module can also indicate the charging completion state.

In this embodiment of the present application, the electronic device body 210 is provided with the touch screen 211, the charging indication module is located in the electronic device body 210, and the charging indication module is provided with the charging display unit, and the charging display unit is used for displaying the charging state of the stylus 100 through the touch screen 211 when the wireless keyboard 220 charges the stylus 100, or the charging indication module is provided on the wireless keyboard 220, and the charging indication module may include an indicator lamp, where the indicator lamp indicates the charging state of the stylus 100.

In the embodiment of the present application, referring to fig. 4 and 7, the stylus 100 may further include: and a battery assembly 190, the battery assembly 190 for providing power to the circuit board 150. The battery assembly 190 may include a lithium ion battery, or the battery assembly 190 may include a nickel-chromium battery, an alkaline battery, a nickel-hydrogen battery, or the like. In one embodiment, the battery assembly 190 may include a rechargeable battery or a disposable battery, wherein the stylus 100 may charge the battery in the battery assembly 190 by wireless charging when the battery assembly 190 includes a rechargeable battery.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments or implications herein must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the embodiments herein. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.

The terms first, second, third, fourth and the like in the description and in the claims of embodiments of the application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of implementation in sequences other than those illustrated or described herein, for example. Furthermore, the terms "may include" and "have," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing embodiments are merely for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto, and although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some or all of the technical features may be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments in this application.

Claims

1. The utility model provides a stylus, is applied to in the electronic equipment subassembly, the electronic equipment subassembly includes electronic equipment and the stylus of cooperating with the electronic equipment use, its characterized in that, the stylus includes at least:

a circuit board and a pen holder with a hollow inside;

the circuit board is arranged inside the penholder along the axial direction of the penholder, and is positioned on the central axis of the penholder;

further comprises: at least one antenna assembly;

the circuit board is provided with a first surface and a second surface opposite to the first surface; at least one of the antenna assemblies is located on the first surface or the second surface.

2. The stylus of claim 1, wherein the circuit board comprises a stack of: two surface plies and at least one intermediate ply between two of said surface plies;

at least a portion of the surface plate layer acts as the antenna assembly.

3. The stylus of claim 2, wherein the antenna assembly is an on-board antenna.

4. The stylus of claim 1, wherein the circuit board comprises a stack of: two surface plies and at least one intermediate ply between two of said surface plies;

the antenna assembly is located on a side of the surface ply facing away from the middle ply.

5. The stylus of claim 4, wherein the antenna assembly is an on-board antenna, a laser direct-molded antenna, or a flexible circuit board antenna.

6. A stylus according to claim 3 or 5, wherein the area of the on-board antenna is 25-40mm ² 。

7. The stylus of any one of claims 1-6, wherein the antenna assembly operates at a frequency range of 2400MHz-2500MHz.

8. The stylus of any one of claims 1-7, wherein the electronic device has a receiving portion thereon for receiving the stylus.

9. The stylus of claim 8, wherein a first charging coil is disposed on an inner wall of the housing portion, and a second charging coil corresponding to the first charging coil is disposed inside the pen holder;

and at least one of the first charging coil and the second charging coil is an annular coil, and the annular coil is circumferentially arranged around the containing part or the stylus pen.

10. The stylus of claim 9, wherein the loop coil is a 360 ° continuous loop coil or the loop coil is a non-closed loop coil.

11. The stylus of claim 9 or 10, wherein the receptacle is a cavity having an opening at one end into which the stylus is inserted.

12. The stylus of any one of claims 9-11, further comprising: and the limiting assembly is used for limiting the position of the touch pen in the containing part.

13. The stylus of claim 12, wherein the limit assembly comprises: an attracting magnet and a magnetic member attracted to the attracting magnet;

One of the attracting magnet and the magnetic piece is located on the inner wall of the containing portion, and the other of the attracting magnet and the magnetic piece is located in the stylus.

14. The stylus of claim 13, wherein the number of the limit assemblies is two, and two of the two groups of the adsorption magnets are respectively located at two sides of the first charging coil;

two magnetic pieces in the two groups of limiting assemblies are respectively positioned at two sides of the second charging coil.

15. The stylus of claim 12, wherein the limit assembly comprises: the touch pen comprises an elastic buckle and a clamping groove clamped with the elastic buckle, wherein one of the elastic buckle and the clamping groove is arranged on the inner wall of the containing part, and the other of the elastic buckle and the clamping groove is arranged on the touch pen.

16. An electronic device assembly comprising at least: electronic device and stylus according to any one of the preceding claims 1-15.

17. The electronic device assembly of claim 16, wherein the electronic device comprises: an electronic equipment body and a wireless keyboard connected with the electronic equipment body in a wireless way;

The wireless keyboard is provided with a containing part for containing the touch pen.