A stylus assembly and a stylus thereof
By combining a pressure sensor and vibration motor with a speaker in the realistic capacitive pen component, the writing vibration and sound of paper and pen are simulated, solving the problem that capacitive pens cannot reproduce a realistic writing experience and improving user satisfaction.
Patent Information
- Application Number
- CN202510098297.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2045-01-22
AI Technical Summary
Existing capacitive pens cannot reproduce the writing feel and sound of real paper pens, causing users to feel uncomfortable and experience a decline in writing skills when using tablet devices.
It adopts a realistic capacitive pen assembly, which includes a pen tip, pen core assembly, pressure sensor, vibration motor and circuit board. The pressure sensor detects the writing force and controls the vibration motor and speaker to simulate the vibration and sound of paper and pen. Combined with a conductive plastic tube and spring, it provides stable signal transmission and protection.
It achieves the simulation of writing vibration and sound feedback of real paper and pen on the capacitive pen, improving the user's writing experience and enhancing the realism and writing quality of the capacitive pen.
Smart Images

Figure CN119937806B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of capacitive pens, in particular to a pseudo-real capacitive pen assembly and a pseudo-real capacitive pen. BACKGROUND
[0002] A capacitive pen is a pen made of a conductor material with electric conduction characteristics and used for touching a capacitive screen to complete a man-machine dialogue operation. The capacitive pen is an auxiliary device for simulating a human body (usually a finger) to complete a man-machine dialogue. With the development of APPs, the current capacitive pen is not simply used to replace the finger operation function, and more and more professionals have tried to use active capacitive pens to work on mobile devices. A pen core is a part of a capacitive pen.
[0003] With the development of science and technology, tablets and electronic pens gradually replace traditional paper and pens. Although there are various capacitive pens on the market, since tablets and pens are basically made of glass and plastic, these capacitive pens cannot bring users the real feeling of paper and pen, and users who are used to writing with paper and pen feel difficult to accept. However, in some scenarios, users have to use them, and can only make do with them. However, because of the loss of hand feeling, it is difficult to restore the original writing level of users, and users feel regretful. SUMMARY
[0004] Therefore, it is necessary to provide a pseudo-real capacitive pen assembly and a pseudo-real capacitive pen for restoring the handwriting feeling of a capacitive pen.
[0005] To achieve the above object, the technical scheme adopted by the present application is as follows: a pseudo-real capacitive pen assembly, comprising a pen tip, a pen core assembly, a pressure sensor, a vibration motor and a circuit board, the pen core assembly comprising a PCB board, the pen tip being electrically connected with the PCB board, the PCB board being in abutment with the pressure sensor, the pressure sensor being electrically connected with the circuit board, and the circuit board being electrically connected with the vibration motor.
[0006] Further, the pseudo-real capacitive pen assembly further comprises a loudspeaker, the circuit board further comprises a front circuit board and a rear circuit board, the pressure sensor is electrically connected with the front circuit board, the front circuit board is electrically connected with the vibration motor, the front circuit board is electrically connected with the rear circuit board, and the rear circuit board is electrically connected with the loudspeaker.
[0007] Further, the pseudo-real capacitive pen assembly further comprises a battery, and the battery is electrically connected with the front circuit board and the rear circuit board.
[0008] Further, the pseudo-real capacitive pen assembly further comprises a charging base, and the charging base is electrically connected with the battery.
[0009] Further, the pen core assembly further comprises a conductive plastic barrel, and the conductive plastic barrel is externally provided with a conductive layer, and the conductive layer is electrically connected with the PCB board.
[0010] Further, the number of the conductive layers is two or more, one of which is electrically connected with the ground circuit, and the other one or more is electrically connected with the PCB.
[0011] Further, the spring is arranged between the PCB and the pressure sensor.
[0012] The application further provides a pseudo real capacitive pen, characterized in the above-mentioned pseudo real capacitive pen assembly.
[0013] Further, the pen tube is arranged at one end of the pen tip, and the main support is arranged in the pen tube.
[0014] Further, the magnet is arranged on the main support.
[0015] The application has the following advantages: 1. The vibration motor is arranged to provide better writing vibration feeling for fingers in a conventional pen holding position, and simulate the touch feeling when the pen is drawn on paper.
[0016] 2. The speaker is arranged to be closer to the ear to better transmit sound, and simulate the friction sound when the pen is drawn on paper.
[0017] 3. The pen core assembly cooperates with the pressure sensor to detect the pen pressure, and make corresponding changes on the handwriting, and control the vibration motor and the speaker to make corresponding vibration feeling and sound feedback, so as to simulate the sensory effect of using real paper and pen. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The application further provides a logic block diagram of the pseudo real capacitive pen assembly.
[0019] Figure 2 The application further provides an exploded structural schematic diagram of the pseudo real capacitive pen.
[0020] Figure 3 The application further provides an exploded structural schematic diagram of the pen tip of the pseudo real capacitive pen.
[0021] Figure 4 The application further provides a schematic diagram of the vibration motor and the connection structure of the pseudo real capacitive pen.
[0022] Figure 5 The application further provides a schematic diagram of the rear circuit board and the connection structure of the pseudo real capacitive pen.
[0023] Figure 6 The application further provides a schematic diagram of the enlarged structure of the A in the pseudo real capacitive pen. Figure 2
[0024] The components represented by the reference numerals in the drawings are listed as follows:
[0025] 1 - main holder, 2 - pen tip, 3 - positioning nut, 4 - pressure holder, 5 - pressure sensor, 6 - buffer washer, 7 - front circuit board, 8 - vibration motor, 9 - rear circuit board, 10 - charging base, 11 - light splitting piece, 12 - battery, 13 - front cover, 14 - rear cover, 15 - tail cap, 16 - light transmission panel, 161 - charging interface hole, 17 - pen tube, 18 - magnet, 19 - PCB board, 21 - speaker, 22 - button, 23 - indicator light, 24 - recess, 25 - conductive plastic cylinder, 26 - threaded seat, 27 - FPC connecting line, 28 - fixing seat, 29 - spring. DETAILED DESCRIPTION
[0026] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. Obviously, the specific details described below are only some embodiments of the present application, and the present application can also be implemented in many other embodiments different from those described herein. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
[0029] Please refer to Figure 1In one embodiment, a simulated capacitive pen assembly includes: a pen tip 2, a pen refill assembly, a pressure sensor 5, a vibration motor 8, and a circuit board. The pen refill assembly includes a PCB board 19. The end of the pen tip 2 that contacts the PCB board 19 has a metal spring pin, which contacts the PCB board 19. The pen tip 2 is electrically connected to the PCB board 19 via the metal spring pin. The PCB board 19 abuts against the pressure sensor 5, and the pressure sensor 5 is electrically connected to the circuit board. The circuit board is electrically connected to the vibration motor 8. During use, the pen tip 2 and the PCB board 19 work together to allow the pressure sensor 5 to detect deformation. The pressure sensor 5 transmits the detected deformation data to a chip on the circuit board for analysis, controlling the vibration motor 8 to vibrate and provide a haptic feedback to the finger, simulating the sensory effect of using a real pen and paper.
[0030] like Figure 1 As shown, in this embodiment, a speaker 21 is also included. The circuit board further includes a front circuit board 7 and a rear circuit board 9. The pressure sensor 5 is electrically connected to the front circuit board 7, the front circuit board 7 is electrically connected to the vibration motor 8, the front circuit board 7 is electrically connected to the rear circuit board 9, and the rear circuit board 9 is electrically connected to the speaker 21. In use, the data detected by the pressure sensor 5 is transmitted to the front circuit board 7. After receiving the data from the pressure sensor 5, the chip on the front circuit board 7 analyzes the data to form control data and transmits the control data to the vibration motor 8 to control the vibration motor 8 to vibrate. After receiving the control data from the front circuit board 7, the chip on the rear circuit board 9 converts the control data into sound control data and transmits the sound control data to the speaker 21, enabling the speaker 21 to simulate the friction sound produced when a pen glides across paper.
[0031] like Figure 3 As shown, the FPC connecting cable 27 is mounted on the mounting base 28. Specifically, the PCB board 19 is fitted inside the mounting base 28, and the FPC connecting cable 27 is inserted into the mounting base 28. One end is fixed to the PCB board 19, and the other end is fixed to the front circuit board 7. The FPC connecting cable 27 has three contacts at each end, and the FPC connecting cable 27 is connected to the PCB board 19 and the front circuit board 7 respectively through the contacts at both ends. The other end of the mounting base 28 away from the pen tip 2 abuts against the pressure sensor. In use, the pen tip 2, the PCB board 19, and the mounting base 28 work together to enable the pressure sensor to detect deformation more accurately.
[0032] like Figure 4 As shown, this embodiment also includes a battery 12, which is electrically connected to the front circuit board 7 and the rear circuit board 9. The battery 12 provides power to the front circuit board 7 and the rear circuit board 9, and is replenished with power through the charging socket 10.
[0033] like Figure 3As shown, in the embodiment, the refill assembly further comprises a conductive plastic barrel 25, which is provided with a conductive layer and is electrically connected with the PCB 19. In the embodiment, the conductive plastic barrel 25 is a cylindrical structure with a circular periphery and is made of plastic. By covering the PCB 19 with the conductive plastic barrel 25, the signals emitted by the entire PCB 19 at any angle are uniform and constant, avoiding the unstable situation that the signals under the prismatic electrode are far or near.
[0034] In the embodiment, the pen tube 7 is a plastic tube, and the number of the conductive layers is two or more. One of the conductive layers is electrically connected with the ground circuit of the front circuit board 7, and the other conductive layer is electrically connected with the PCB 19. The connection with the ground circuit can prevent the overflow of excess signals and reduce external interference.
[0035] In the preferred embodiment of the embodiment, the number of the conductive layers is four, and the conductive layers are sequentially covered on the surface of the conductive plastic barrel 25. Three of the conductive layers are provided with conductive layer holes, and the PCB 19 is provided with three signal circuits, which are provided with signal welding points. The three conductive layer holes are electrically connected with the signal welding points, and the conductive layer of the conductive layer hole not provided with the conductive layer hole is electrically connected with the metal spring needle in the pen tip 2. The conductive layer away from the pen tip 2 is provided with a threaded seat 26 made of conductive metal material, forming electrical contact.
[0036] In other embodiments, the pen tube 7 is a metal tube, and the number of the conductive layers is two or more. The surface of the conductive layer is provided with a conductive layer hole, and the PCB 19 is provided with signal welding points corresponding to the number of the conductive layer holes. The conductive layer hole and the PCB 19 are electrically connected through the signal welding points, so that the conductive plastic barrel plays a guiding role.
[0037] In the embodiment, a spring 29 is further arranged between the PCB 19 and the pressure sensor 5. The spring 29 is used to provide a pre-pressure source for the PCB 19 to the pressure sensor 5, and to press the pressure sensor 5.
[0038] The application further provides a realistic capacitive pen comprising the above-mentioned realistic capacitive pen assembly.
[0039] As Figures 2-6As shown, in the embodiment, a pen tube 17 is further included, one end of the pen tube 17 is sleeved with the pen tip 2 through the front cover 13, and the main support 1 is arranged in the pen tube 17. The main support 1 is arranged in the pen tube 17 through the positioning nut 3 arranged on the front cover 13, and the main support 1 is arranged in the pen tube 17 in a coaxial position. The front end of the main support 1 is connected with the pen tip 2, the pen tip 2 is fixed by being screwed on the threaded seat 26 on the main support 1, and the main support 1 is sequentially provided with the PCB board 19, the pressure sensor 5, the front circuit board 7, the rear circuit board 9, the loudspeaker 21, the battery 12 and the charging seat 10. The pressure sensor 5 is fixed on the main support 1 through the pressure sensing support 4, and a buffer gasket 6 is arranged on the pressure sensor 5 away from the pressure sensing support 4, and the buffer gasket 6 is used for buffering and protecting the pressure sensor 5.
[0040] The vibration motor 8 is arranged at the position close to the front end of the main support 1, so that the vibration motor 8 can better provide a vibration feeling for the fingers in a conventional pen holding position. The loudspeaker 21 is arranged at the position close to the rear end of the main support 1, so that the loudspeaker 21 is closer to the ear and better transmits sound. The pressure sensor 5 can detect the writing force, so that corresponding changes are made on the handwriting, and the vibration motor 8 and the loudspeaker 21 are controlled through the front circuit board 7 and the rear circuit board 9, so that the vibration motor 8 and the loudspeaker 21 make corresponding vibration and sound feedback respectively, so that the sensory effect of simulating the use of a real paper pen is achieved. The rear circuit board 9 is provided with the button 22 for controlling the switch of the capacitive pen, and is provided with the indicator lamp 23 for indicating the state of the capacitive pen. The rear circuit board 9 is further fixedly provided with the light splitting piece 11, and the surface of the light splitting piece 11 is provided with the groove 24 matched with the indicator lamp 23. The surface of the pen tube 17 is provided with the light transmission panel 16 for watching the indicator lamp 23, and the surface of the light transmission panel 16 is provided with the charging hole 161, and the charging seat 10 extends to the outer surface of the pen tube 17 through the charging hole 161. The other end of the pen tube 17 away from the front cover 13 is provided with the rear cover 14, and the tail cap 15 is buckled on the rear cover 14, so as to close the opening of the pen tube 17.
[0041] In the embodiment, the magnet 18 is further included, and the magnet 18 is arranged on the main support 1 and used for adsorbing and positioning the capacitive pen.
[0042] The technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that the combinations are within the scope of the present application.
[0043] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications, substitutions and improvements can be made, and these should be covered within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the claims.
Claims
1. A simulated capacitive pen assembly, characterized in that, The application relates to a lifelike capacitive pen assembly. The pen tip is provided with a metal spring needle at the end in contact with the PCB board, the metal spring needle is in contact with the PCB board, and the pen tip is electrically connected with the PCB board through the metal spring needle. The application further comprises a loudspeaker, the circuit board further comprises a front circuit board and a rear circuit board, the pressure sensor is electrically connected with the front circuit board, the front circuit board is electrically connected with the vibration motor, the front circuit board is electrically connected with the rear circuit board, and the rear circuit board is electrically connected with the loudspeaker. The data detected by the pressure sensor is transmitted to the front circuit board, a chip on the front circuit board receives the data of the pressure sensor, analyzes the data of the pressure sensor to form control data, and transmits the control data to the vibration motor to control the vibration of the vibration motor. The application further comprises a battery, and the battery is electrically connected with the front circuit board and the rear circuit board.
2. The realistic capacitive pen assembly of claim 1, wherein, The application further comprises a charging seat, and the charging seat is electrically connected with the battery.
3. The realistic capacitive pen assembly of claim 2, wherein, The pen refill assembly further comprises a conductive plastic cylinder, and the conductive plastic cylinder is externally provided with a conductive layer which is electrically connected with the PCB board.
4. The realistic capacitive pen assembly of any one of claims 1-3, wherein, The number of the conductive layers is two or more than two, one of the conductive layers is electrically connected with the front circuit board, and the other conductive layer or conductive layers are electrically connected with the PCB board.
5. The realistic capacitive pen assembly of claim 4, wherein, The application further comprises a spring which is arranged between the PCB board and the pressure sensor.
6. The realistic capacitive pen assembly of claim 1, wherein, The application further comprises a pen tube, one end of the pen tube is sleeved with the pen tip, and the pen tube is internally provided with a main support.
7. A stylus for simulating a capacitive pen, the stylus comprising: The application further comprises a magnet which is arranged on the main support.
8. The realistic capacitive stylus of claim 7, wherein, 9. The realistic capacitive pen of claim 8, wherein,
Citation Information
Patent Citations
Pressure-sensitive infrared touch pen
CN214670518U
Pressure sensing device, pen point assembly of capacitance pen and capacitance pen
CN221327061U
Haptic-acoustic pen
US20130307829A1