CN206178703U - No line number sign indicating number pen and charging device thereof - Google Patents

Abstract

The utility model discloses a no line number sign indicating number pen and charging device thereof, no line number sign indicating number pen include the pen -holder, be provided with refill, power supply module, pen accuse switch module, main circuit board, camera lens module and wireless transmission unit in the pen -holder, the refill slidable be located in the pen -holder, the one end of refill is followed the front end of pen -holder stretches out, pen accuse switch module is located the other end of refill, pen accuse switch module is including an accuse switch, the refill makes when the paper is write pen accuse the switch, the refill makes after leaving the paper the disconnection of accuse switch, accuse switch under power off for the first time the switch -on back make power supply module supplies power, makes the last the control unit of main circuit board goes up the electrician and does. The beneficial effect of the utility model: accuse switch can be simultaneously as switch with write the button, make digital pen's structure simpler.

Description

A kind of wireless digital pen and its charging device

Technical field

This utility model is related to digital product field, more particularly to a kind of wireless digital pen and its charging device.

Background technology

Although existing digital pen closely common pen, some aspects are still unsatisfactory.Prior art In digital pen at least need to open up perforation with pen power switch button and charging socket are installed so as to seem with it is general Logical pen has larger difference, allow user feel it is hand held in seem always an electric equipment rather than common pen, shadow The experience of user is rung, and structure of the perforation to install power button switch and charging socket is opened up with pen and be increased Technological process and the fluency of an impact body profile.

Additionally, existing digital pen adopts built-in vibroswitch, although can't see on and off switch in its profile, but when using A body vibration just need to can be switched on power.So often result in digital pen to open because of vibration in transportation, cause resource wave Take, affect the experience effect of user.

Utility model content

The technical problems to be solved in the utility model is, for drawbacks described above of the prior art, there is provided a kind of wireless Digital pen and its charging device.

This utility model solves the technical scheme that its technical problem adopted：

A kind of wireless digital pen, including penholder are provided, pen core, power supply module, pen control switches set are provided with the penholder Part, main circuit board, camera lens module and wireless transmission unit, the pen core is slidably seated in the penholder, the pen core One end is stretched out from the front end of the penholder, and the pen control switch module is located at the other end of the pen core；The pen control switches set Part is switched including pen control, and the pen core makes the pen control switch connection, the pen core leave and make after paper institute in paper writing State pen control to switch off；The pen control switch makes the power supply module power and makes institute after first switching in the power-offstate The control unit stated on main circuit board works on power.

In wireless digital pen described in the utility model, the pen control switch module is also elastic including contact and first Part, the contact is connected to the end of the pen core, and first elastic component is connected on the pen core and supports the contact It is connected to the surface of the pen control switch；The pen core drives the contact to slide when writing, makes the contact elasticity extruding institute Pen control switch is stated, so that the pen control switch connection.

In wireless digital pen described in the utility model, block piece is provided with the penholder, the pen core is from described Wear in block piece, the two ends of first elastic component are abutted respectively to the block piece and the contact.

In wireless digital pen described in the utility model, the pen control switch module also includes that pen control circuit, power supply are opened Powered-down road and filter circuit, described control unit is electrically connected respectively with the pen control circuit, power switch circuit and filter circuit.

In wireless digital pen described in the utility model, the rear end of the penholder is provided with first electrode, second electrode And display lamp, the outer surface of the outer surface of the first electrode, second electrode and display lamp and the penholder forms flat surface.

In wireless digital pen described in the utility model, the first electrode, second electrode and display lamp are annularly embedding It is set on the rear end of the penholder；Or, the display lamp be located at the penholder rear end center, the first electrode and Second electrode sets up separately in the both sides of the display lamp.

This utility model also provides a kind of wireless digital charging device, including digital pen and charger, the digital pen For wireless digital pen described above.

In wireless digital charging device described in the utility model, it is provided with the charger external for inserting What the charging socket of power supply, the charging indicator light of charged state for indicating digital pen and first electrode were abutted against first fills Electrode and the second charging electrode abutted against with second electrode；The digital pen is plugged in the cavity of the charger, and With the charger magnetic attracting.

In wireless digital charging device described in the utility model, the charging indicator light includes and the digital pen The first charging indicator light for being connected by optical fiberses of display lamp.

In wireless digital charging device described in the utility model, first charging electrode and the second charging electrode For elastic probe, the elastic probe includes main body and the probe being slidably connected with the main body, and being provided with the main body makes The probe extends to the second elastic component outside the main body.

In sum, implement a kind of wireless digital pen of the present utility model and its charging device, have the advantages that： First, for the first time contact paper causes pen control switch conduction to make power supply as the power switch signal of power supply module to pen core Assembly power supply, when writing cause pen control of the pen core after switches on-off the signal that can be started to write as pen core lift pen, i.e. pen Control switch can make the structure of digital pen simpler simultaneously as on and off switch and write button.Secondly, digital pen is used for as electricity The first electrode and second electrode that source component charges is located on the end face of penholder rear end, and the appearance of the outer surface of electrode and penholder Face forms flat surface so that the electrode on ordinary meaning, and simple structure, user are can't see from the profile of digital pen Just.

Description of the drawings

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：

Fig. 1 is the sectional view of the wireless digital charging device that this utility model preferred embodiment is provided；

Fig. 2 a are the axonometric charts when digital pen of wireless digital charging device shown in Fig. 1 takes the cap for brush；

Fig. 2 b are the axonometric charts when digital pen of wireless digital charging device shown in Fig. 1 puts on the cap for brush；

Fig. 2 c are the solids when cap for brush of the digital pen of wireless digital charging device shown in Fig. 1 is enclosed in penholder tail end Figure；

Fig. 3 is the structural representation of the first structure of the electrode of the digital pen of wireless digital charging device shown in Fig. 1；

Fig. 4 is the structural representation of second structure of the electrode of the digital pen of wireless digital charging device shown in Fig. 1；

Fig. 5 is the circuit diagram of the pen control switch module of the digital pen of wireless digital charging device shown in Fig. 1；

Fig. 6 is that the digital pen of wireless digital charging device shown in Fig. 1 is plugged in solid when being charged in charger Figure；

Fig. 7 is the sectional view of the charger of wireless digital charging device shown in Fig. 6；

Fig. 8 is the structural representation of the elastic probe of wireless digital charging device shown in Fig. 6；

Fig. 9 is the sectional view of the tail end of the digital pen of wireless digital charging device shown in Fig. 6.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain This utility model, is not used to limit this utility model.

As shown in figure 1, this utility model preferred embodiment provides a kind of wireless digital pen, including penholder 1, and it is arranged on Pen core 2, power supply module 3, pen control switch module 4, main circuit board 5, camera lens module 6 and wireless transmission unit 7 in penholder 1.

Wherein, pen core 2 is slidably seated in penholder 1, and one end of pen core 2 is stretched out from the front end of penholder 1, pen control switch Component 4 is located at the other end of pen core 2.Pen control switch module 4 includes pen control switch 41, and pen core 2 in paper writing opens pen control Close 41 to turn on, pen core 2 after paper is left disconnects pen control switch 41.Under digital pen off-mode, pen core 2 is contacted for the first time Paper causes the conducting of pen control switch 41 as the power switch signal of power supply module 3 power supply module 3 can be made to power, and pen core 2 exists Afterwards cause when writing pen control switch 41 break-make can regard pen core 2 lift the signal that start to write of pen, i.e. pen control switch 41 can be with Simultaneously as on and off switch and write button.Camera lens module 6 is used to shoot the image at the writing position of pen core 2 to obtain person's handwriting, Wireless transmission unit 7 is mainly used in being communicated with external data processing device (smart mobile phone etc.), by the handwriting data transmission for obtaining To smart mobile phone, to reproduce true person's handwriting on the special APP of smart mobile phone.Pen control switch module 4, camera lens module 6 and wireless Transmission unit 7 is electrically connected respectively with main circuit board 5.

As shown in Figure 2 a, penholder 1 includes penholder body (non-label) and is connected to the end cap 11 of penholder body rear end, pen core 2 stretch out from the front end of penholder body.As shown in Figure 2 b, the cap for brush 10 is arranged with penholder 1, when not using digital pen, can be by pen Cap 10 is set in the front end of penholder 1, to protect pen core 2.During using digital pen, the cap for brush 10 can be taken, expose pen core 2, to scheme Mode shown in 2a is write in digital sheet, and the person's handwriting write sends intelligence to via the wireless transmission unit 7 being built in penholder 1 Can mobile phone；Or, the cap for brush 10 can be enclosed within the rear end of penholder 1, use in the way of shown in Fig. 2 c, so more meet great majority The use habit of people, is also the ways of writing of the balance penholder weight that calligraphy circle is recommended.

In the present embodiment, wireless transmission unit 7 is arranged on the rear end of penholder 1, in order to not affect antenna transmission efficiency, penholder 1 rear end can affect the material of antenna transmitting-receiving effect to make by plastics or not.In the same manner, can also be by (or the cap for brush 10 of the cap for brush 10 Middle part) using plastics or do not affect antenna transmitting-receiving effect material make.

With reference to shown in Fig. 3, first electrode 12, second electrode 13 and display lamp 14 are provided with the end face of the rear end of penholder 1. Wherein, first electrode 12 is made up with second electrode 13 of conductive materials such as coppers, for being electrically connected with the charging electrode in charger Connect, first electrode 12 can be electrically connected by wire, metal contact piece or elastic probe with second electrode 13 with main circuit board 5.Refer to Show lamp 14 for transparent light guide body, itself does not light, it is real it is luminous be LED light 77 (as shown in Figure 1) in pen, LED The light that display lamp 77 sends is transmitted into outside pen via display lamp 14.

In the present embodiment, first electrode 12, second electrode 13 and display lamp 14 are located on the end face of the rear end of end cap 11, and are in Ring-type nested designs.First electrode 12 be located at innermost circle, second electrode 13 be located at outer ring, display lamp 14 be located at first electrode 12 with Between second electrode 13, so that first electrode 12 and the electrical isolation of second electrode 13.First electrode 12, second electrode 13 and instruction The three of lamp 14 closely connects, and can be moulded in end cap 11 by rigid nesting.

Preferably, form flat between the outer surface of first electrode 12, the outer surface of second electrode 13 and display lamp 14 and penholder 1 Whole surface so that the electrode on ordinary meaning is can't see from the profile of digital pen, increases the aesthetic property of product.

It is understood that the present embodiment does not limit the concrete peace of first electrode 12, second electrode 13 and display lamp 14 Dress mode, as long as first electrode 12, second electrode 13 and display lamp 14 are located on the end face of the rear end of penholder 1.I.e. first Electrode 12, second electrode 13 and display lamp 14 can not be ring-type nested designs, but other structures.As shown in figure 4, display lamp The center of the 14 rear end end faces for being located at penholder 1, first electrode 12 and second electrode 13 set up separately in the both sides of display lamp 14, so that First electrode 12 and the electrical isolation of second electrode 13.

As shown in figure 1, pen control switch module 4 mainly includes the pen control switch 41, elastic component 43 of contact 42 and first.Wherein, Pen core 2 is slidably seated in penholder 1, and one end that pen core 2 has nib is stretched out from the front end of penholder body.Contact 42 is flexibility Product, it is closely sleeved on the other end of pen core 2, and pen control switch 41 is located at contact 42 away from the side of pen core 2.When writing, pen Point contact paper, contact 42 is originally moved in vivo with pen core 2 in penholder, makes the elasticity extruding pen control of contact 42 switch 41, so as to Pen control switch 41 is set to be squeezed and be switched on.In the present embodiment, pen control switchs 41 for a kind of thin film switch, cut-in pressure about 50g Left and right, user only need on paper dub nib, you can connect pen control switch 41.After nib leaves paper, pen Control switch 41 pushes open contact 42 by its own resilient, is off pen control switch 41.

First elastic component 43 is spring, and it is set on pen core 2, for offsetting the deadweight of pen core 2 so that even if nib from After pen control switch 41 disconnects when opening paper, contact 42 is also unlikely to the surface that pen control switch 41 is left due to the deadweight of pen core 2. In other words, the first elastic component 43 causes contact 42 and pen control switch 41 to remain contact condition, will not produce during guaranteeing to write The sensation that raw nib is released.Block piece 15 is provided with penholder 1, pen core 2 wears from block piece 15, the two ends of spring bullet respectively Property abut to block piece 15 and contact 42, and the elastic force of spring offsets the deadweight of pen core 2 just, makes contact 42 and pen control switch 41 Keep just accessible state, it is to avoid contact 42 connects on pen control switch 41 in the presence of spring force, there was only contact 42 Pen control switch 41 could be connected when writing.

The bending of electrode 411 of pen control switch 41 is attached on main circuit board 5, with tabletting on metal 412 and metal lower sheeting 413 Tightly pressed together by securing members such as screws, make pen control switch 41 and main circuit board 5 keep reliable electrical communication relation.

Camera lens module 6 is located in penholder 1, and it is used to shoot the image at the writing position of pen core 2 to obtain person's handwriting, camera lens mould Group 6 mainly includes pick-up lenss 61, thoroughly infrared eyeglass 62, imageing sensor 63, lens barrel flexible PCB 64 and lens barrel flexible electrical Road plate socket 65.When writing, the pick-up lenss 61 for being mounted in the front portion of penholder 1 shoot the image of pen tip position, by saturating infrared eyeglass 62 filter after natural light, and the image in 2 D code for retaining is imaged on imageing sensor 63.Picture number on imageing sensor 63 According to the control unit 51, Jing being transferred to by lens barrel flexible PCB 64 and lens barrel flexible PCB socket 65 on main circuit board 5 Nib coordinate data is converted into after the process of control unit 51 pass to wireless transmission unit 7.

Wireless transmission unit 7 is mainly used in being communicated with external data processing device, sends the handwriting data write to intelligence Energy mobile phone, to reproduce true person's handwriting on the special APP of smart mobile phone.In the present embodiment, wireless transmission unit 7 is bluetooth knot Structure, it mainly includes Bluetooth circuit plate 71, Bluetooth chip 72, Bluetooth antenna 73, bluetooth flexible PCB socket 74, main flexible electrical Road plate 75, main flexible PCB socket 76.Specifically, Bluetooth circuit plate 71 is successively via bluetooth flexible PCB socket 74, master Flexible PCB 75 and main flexible PCB socket 76 are electrically connected with main circuit board 5, make the control unit 51 on main circuit board 5 The handwriting data for going out can pass to the Bluetooth chip 72 in Bluetooth circuit plate 71, and the handwriting data that Bluetooth chip 72 is received is passed through Reprocessing, the smart mobile phone for being emitted to connect by the Bluetooth antenna 73 in Bluetooth circuit plate 71.

Further, LED light 77 is provided with Bluetooth circuit plate 71, the light that LED light 77 sends is via pen The display lamp 14 of the tail end of bar 1 is transmitted into outside pen.

With reference to shown in Fig. 5, pen control switch module 4 also includes pen control circuit 44, power switch circuit 45 and filter circuit 46, Control unit 51 on main circuit board 5 is electrically connected respectively with pen control circuit 44, power switch circuit 45 and filter circuit 46.Do not open During machine, if pen control switch 41 is connected, field effect transistor Q1 will be caused to connect, field effect transistor Q1 Jing resistance R4 turns on audion Q2, The conducting of audion Q2 causes power supply switch tube Q3 to turn on, so that cell voltage BAT+ is fed to supply voltage Vbat, power supply Voltage Vbat powers Jing after voltage stabilizing process to control unit 51 and whole digital pen.Control unit 51 is obtained after electric bringing into operation, first First POWER-ON signals are put into height, and audion Q2 is tended to remain on by resistance R5, and then make power supply switch tube Q3 exist Can still be held on during pen control 41 disconnection of switch, lock whole electromechanical source and continue to power and do not switched 41 shadows for disconnecting by pen control Ring.Meanwhile, when each pen control switch 41 is connected, by resistance R2 and the partial pressure of resistance R3, cell voltage BAT+ is converted to into control The acceptable high level of unit processed 51 is fed to control unit 51 as PEN-TOUCH signals, notifies the nib of control unit 51 Paper has been contacted (now digital pen is state of starting to write).When every time pen control switch 41 disconnects, further through resistance R3 by PEN-TOUCH Signal is dragged down, and notifies the already out paper of the nib of control unit 51 (now digital pen is lift pen state).46 pairs of pen controls of filter circuit The make-and-break signal PEN-TOUCH of switch 41 is filtered so as to more steady.

For control unit 51, only need to it is electric when (pen control switch 41 conducting for the first time makes control unit 51 When electric) POWER-ON signals are drawn high, power supply switch tube Q3 is locked as into conducting state, you can ensure that whole electromechanical source is not opened by pen control Close the impact of 41 ensuing break-makes.Other time all only needs to detect the state of PEN-TOUCH signals, PEN-TOUCH signals For high level when digital pen to start to write state, digital pen is lift pen state, control unit 51 when PEN-TOUCH signals are low level In the image of post processing shooting of starting to write, during lift image is not processed.Due to the starting procedure time of control unit 51 it is very short (about 20ms), so not affecting the image that start post processing shoots, piece images are at most lost.Practice finds, even if losing first Width image, nor affects on writing effect.If informing user, paper is first tapped before writing and starts to write again, then completely not It is affected.

Due to the power consumption very little of digital pen holding state (when not writing), only 1mA or so, so the application does not set shutdown Circuit, when stand-by time exceedes some minutes (such as 10 minutes), digital pen automatic shutdown, power consumption vanishing.

As shown in fig. 6, this utility model preferred embodiment also provides a kind of wireless digital charging device, including digital pen 100 and the charger 200 for charging for digital pen 100, digital pen 100 is wireless digital pen described above.

When using, digital pen 100 is inserted and is charged in charger 200, one is provided with charger 200 and is just held Receive the cavity (non-label) of the rear end of digital pen 100.The charging socket for inserting external power supply is additionally provided with charger 200 201, and for indicating the charging indicator light of charged state, charging indicator light includes that the first charging indicator light 202 and second charges Display lamp 203.Generally, the second charging indicator light 203 is lighted immediately when charging socket 201 inserts power supply, and expression is filled Electrical socket 201 has connected power supply.First charging indicator light 202 is just lighted when digital pen 100 inserts cavity, represents that charging is opened Begin.When digital pen 100 is when charging, the first charging indicator light 202 is lighted, and after 100 charging complete of digital pen, first charges refers to Show that lamp 202 extinguishes.

In the present embodiment, the first charging indicator light 202 itself does not light, and belongs to passive luminous, the first charging indicator light 202 The light of the display lamp 14 of the rear end of penholder 1 is guided to the first charging indicator light 202 by optical fiberses (not shown) and is lighted.

As shown in fig. 7, the first charging electrode 204 and the second charging electrode 205 are provided with the cavity of charger 200, the One charging electrode 204 is electrically connected respectively with the second charging electrode 205 with charging socket 201, so that charging electrode receives extraneous defeated The power supply energy for entering.In the present embodiment, the first charging electrode 204 and the second charging electrode 205 are elastic probe, are respectively welded at In the charger circuit board 206 (as shown in Figure 1) of charger.When being charged in digital pen insertion charger 200, first fills Electrode 204 is abutted against with the first electrode 12 of digital pen, and the second charging electrode 205 offsets with the second electrode 13 of digital pen Connect.

As shown in figure 8, elastic probe includes main body 81 and probe 83, main body 81 is made with probe 83 by copper material. Wherein, the substantially cylindrical structure of main body 81, probe 83 is slidably connected in main body 81.The second bullet is provided with main body 81 Property part 84, second elasticity 84 can be the structure such as spring, and the second elastic component 84 makes probe 83 when not being stressed from main body 81 side extends out.When probe 83 contacts digital pen electrode, the stress of probe 83 is retracted, the second elastic component in main body 81 84 maintain the pressure to probe 83, it is to avoid probe bounces back, so as to the reliability that intensified charging electrode is connected with digital pen electrode.

Elastic probe also includes the connector 82 for being connected with circuit board, and connector 82 is substantially L-shaped, its one end and master Body 81 is rigidly connected, and the other end can be directly welded at (as shown in Figure 1) in the charger circuit board 206 in charger 200.

In the present embodiment, first electrode 12 and the second electrode 13 of digital pen 100 are also to be realized and indigo plant by elastic probe The electrical connection of tooth circuit board 71, so as to keep and whole electromechanical source circuit ON.As shown in figure 9, electric with first electrode 12 and second The elastic probe of pole 13 corresponding two is respectively welded in Bluetooth circuit plate 71, and two elastic probes compress respectively corresponding first Electrode 12 and second electrode 13, to ensure good connection electrically.

As shown in figure 1, setting in the stability being electrically connected between digital pen 100 and charger 200, penholder 1 to increase It is equipped with the first Magnet 16, is provided with the second Magnet 207 in charger 200, the first Magnet 16 is located at the rear end of penholder 1, and with the The position of two Magnet 207 is corresponding.When being charged in the insertion charger 200 of digital pen 100, the first Magnet 16 and the second magnetic The magnetic attracting of ferrum 207, to guarantee that the charging electrode in charger 200 is contacted with the electrode seal on digital pen 100.

In sum, implement a kind of wireless digital pen of the present utility model and its charging device, have the advantages that：

First, for the first time contact paper causes pen control switch conduction to believe as the on and off switch of power supply module to pen core Number, make power supply module power, when writing cause pen control of the pen core after switches on-off what is can started to write as pen core lift pen Signal, i.e. pen control switch can make the structure of digital pen simpler simultaneously as on and off switch and write button.

Secondly, digital pen is used for the first electrode charged for power supply module and second electrode is located at the end face of penholder rear end On, and the outer surface of electrode forms flat surface with the outer surface of penholder so that generally meaning is can't see from the profile of digital pen Electrode in justice, and simple structure, it is easy to use.

Although this utility model is illustrated by specific embodiment, it will be appreciated by those skilled in the art that, not In the case of departing from this utility model scope, various conversion and equivalent substitute can also be carried out to this utility model.In addition, being directed to Particular condition or material, can make various modifications, without deviating from scope of the present utility model to this utility model.Therefore, this reality Disclosed specific embodiment is not limited to new, and the whole fallen in this utility model right should be included Embodiment.

Claims (10)

1. a kind of wireless digital pen, including penholder (1), it is characterised in that be provided with pen core (2), power supply group in the penholder (1) Part (3), pen control switch module (4), main circuit board (5), camera lens module (6) and wireless transmission unit (7), the pen core (2) can That what is slided is interior positioned at the penholder (1), and one end of the pen core (2) is stretched out from the front end of the penholder (1), the pen control switch The other end of the component (4) positioned at the pen core (2)；The pen control switch module (4) switchs (41) including pen control, the pen core (2) connect in paper writing pen control switch (41), the pen core (2) is left and make after paper pen control switch (41) Disconnect, pen control switch (41) makes the power supply module (3) power and makes the master after first switching in the power-offstate Control unit (51) on circuit board (5) works on power.

2. a kind of wireless digital pen according to claim 1, it is characterised in that the pen control switch module (4) also includes Contact (42) and the first elastic component (43), the contact (42) is connected to the end of the pen core (2), first elastic component (43) it is connected on the pen core (2) and make the contact (42) to abut to the pen control surface for switching (41)；The pen core (2) drive the contact (42) to slide when writing, make the contact (42) the elasticity extruding pen control switch (41), so that Pen control switch (41) is connected.

3. a kind of wireless digital pen according to claim 2, it is characterised in that is provided with block piece in the penholder (1) (15), the pen core (2) wears from the block piece (15), and the two ends of first elastic component (43) are abutted respectively to described Block piece (15) and the contact (42).

4. a kind of wireless digital pen according to claim 1, it is characterised in that the pen control switch module (4) also includes Pen control circuit (44), power switch circuit (45) and filter circuit (46), described control unit (51) is electric with the pen control respectively The electrical connection of road (44), power switch circuit (45) and filter circuit (46).

5. a kind of wireless digital pen according to claim 1, it is characterised in that the rear end of the penholder (1) is provided with One electrode (12), second electrode (13) and display lamp (14), the first electrode (12), second electrode (13) and display lamp (14) The outer surface of outer surface and the penholder (1) form flat surface.

6. a kind of wireless digital pen according to claim 5, it is characterised in that the first electrode (12), second electrode And display lamp (14) nesting annular in shape is arranged on the rear end of the penholder (1) (13)；Or, the display lamp (14) is positioned at described The center of penholder (1) rear end, the first electrode (12) and second electrode (13) set up separately in the both sides of the display lamp (14).

7. a kind of wireless digital charging device, it is characterised in that including digital pen (100) and charger (200), the number Pen (100) is the arbitrary described wireless digital pen of claim 1 to 6.

8. wireless digital charging device according to claim 7, it is characterised in that arrange on the charger (200) There is the charging indicator light and first for inserting the charging socket (201) of external power supply, charged state for indicating digital pen The first charging electrode (204) that electrode (12) is abutted against and the second charging electrode (205) abutted against with second electrode (13)；Institute State digital pen (100) to be plugged in the cavity of the charger (200), and with the charger (200) magnetic attracting.

9. wireless digital charging device according to claim 8, it is characterised in that the charging indicator light includes and institute State the first charging indicator light (202) that the display lamp (14) of digital pen (100) is connected by optical fiberses.

10. wireless digital charging device according to claim 9, it is characterised in that first charging electrode (204) It is elastic probe with the second charging electrode (205), the elastic probe includes main body (81) and slide with the main body (81) to connect The probe (83) for connecing, being provided with the main body (81) makes the probe (83) extend to the main body (81) outward second elastic Part (84).