CN217982345U

CN217982345U - Touch control pen

Info

Publication number: CN217982345U
Application number: CN202222296136.4U
Authority: CN
Inventors: 陈柏宇; 陈世彦; 赵家兴
Original assignee: USI Electronics Shenzhen Co Ltd
Current assignee: USI Electronics Shenzhen Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-06
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a touch pen. The touch pen includes a pen holder, a first button, a first pressure sensor and a circuit board. The first button is connected to the pen holder, and the first pressure sensor is in contact with the first button. The circuit board is assembled in the penholder and comprises a control circuit, and the first pressure sensor is fixed on the circuit board and electrically connected with the control circuit. When the first button receives a first external force, the first pressure sensor detects the value, the direction and the duration of the first external force, and the control circuit generates a control command according to at least one of the value, the first moving direction and the duration of the first external force.

Description

Touch control pen

Technical Field

The utility model relates to an electronic input device especially relates to a touch-control pen.

Background

Touch screens have been commonly mounted to various electronic devices, such as smart phones, tablet computers, or electronic book readers. Although the user can directly touch the touch screen with the fingers to give instructions to the electronic device. However, the surface of the touch screen is left with too many traces by the fingers, so the need of the stylus is very important.

Most of the existing touch pens in the market adopt capacitive sensors, and the capacitive sensors can only detect the movement of the fingers of a user on the surface of the touch pen, but cannot know whether the fingers of the user apply force on the surface of the touch pen. Therefore, when the pen holding posture of the user is changed, the erroneous judgment of the touch pen is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a not enough stylus that provides to prior art, include: a pen holder, a first button, a first pressure sensor, a circuit board and a pen point. The first button is assembled in the penholder, the first pressure sensor is in contact with the first button, the circuit board is assembled in the penholder and comprises a control circuit, and the first pressure sensor is fixed with the circuit board and is electrically connected with the control circuit. One end of the pen point is connected with the circuit board, and the other end of the pen point extends out of the pen holder. When the first button receives a first external force, the control circuit generates a first control instruction according to the first external force.

Preferably, the pen holder includes a first opening, a second opening and a third opening, the first opening and the second opening are respectively disposed at two opposite ends of the pen holder, the third opening is disposed between the first opening and the second opening, a portion of the pen head extends out of the first opening, and the first button is assembled with the third opening.

Preferably, the first pressure sensor includes a first flat portion and a first bent portion, the first bent portion is connected to one end of the first flat portion, the first flat portion contacts the first button, and the first bent portion contacts the circuit board.

Preferably, the pen holder further comprises a supporting shell, the supporting shell is assembled inside the pen holder, the circuit board is assembled inside the supporting shell, the supporting shell is provided with a slot, the first plane portion is located outside the slot and is in contact with the first button, and the first bending portion extends into the supporting shell through the slot and is in contact with the circuit board.

Preferably, the control circuit generates the first control command according to at least one of a value, a direction and a duration of the first external force.

Preferably, the pen holder further comprises a fourth opening, a second pressure sensor and a second button, the fourth opening is located between the second opening and the third opening, the second button is assembled to the fourth opening, and one end of the second pressure sensor contacts the second button and the other end of the second pressure sensor contacts the circuit board.

Preferably, when the second button receives a second external force, the control circuit generates a second control command according to at least one of a value, a direction and a duration of the second external force.

Preferably, the second pressure sensor includes a second flat portion and a second bending portion, the second bending portion is connected to one end of the second flat portion, the second flat portion contacts the second button, and the second bending portion contacts the circuit board.

Preferably, the pen further comprises a supporting casing, the supporting casing is assembled inside the pen holder, the circuit board is assembled inside the supporting casing, the supporting casing is provided with a slot, the second plane portion is located outside the slot and is in contact with the second button, and the second bending portion extends into the supporting casing through the slot and is in contact with the circuit board.

Preferably, the laser device further comprises a laser light source, wherein the laser light source is connected to the circuit board and electrically connected to the control circuit, and the control circuit starts the laser light source according to at least one of a value, a direction and a duration of the second external force.

The utility model has the advantages of the utility model provides a control command is decided through the application of force of sensing user on the pen-holder to one of them beneficial effect, except that the erroneous judgement probability that reduces the touch-control pen, more can realize the gesture control of more kinds.

For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are provided for purposes of illustration and description, and are not intended to limit the invention.

Drawings

Fig. 1 is a perspective view of a stylus according to a first embodiment of the present invention.

Fig. 2 is an exploded view of the stylus of fig. 1.

Fig. 3 is a cross-sectional view of the stylus of fig. 1 taken along line III-III.

FIG. 4 is a functional block diagram of the touch pen of FIG. 1.

Fig. 5 is a perspective view of a second embodiment of the touch pen of the present invention.

Fig. 6 is an exploded view of the stylus of fig. 5.

Fig. 7 is a cross-sectional view of the stylus of fig. 5 taken along line VII-VII.

FIG. 8 is a functional block diagram of the touch pen of FIG. 5.

Detailed Description

The following is a description of the embodiments of the present invention with reference to the specific embodiments, and those skilled in the art can understand the advantages and effects of the present invention from the content provided in the present specification. The present invention can be implemented or applied by other different embodiments, and various details in the present specification can be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the contents are not provided to limit the scope of the present invention.

It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another element, or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.

Fig. 1 is a perspective view of a stylus according to a first embodiment of the present invention, fig. 2 is an exploded view of the stylus of fig. 1, and fig. 3 is a cross-sectional view of the stylus of fig. 1 along the line III-III. Referring to fig. 1 to 3 together, the stylus 1 includes, for example, a shaft 101, a first button 103, a supporting housing 105, a first pressure sensor 107, a circuit board 109, a pen tip 111, a battery 113, and a rear cover 115. The barrel 101 includes a first opening 1011, a second opening 1013 and a third opening 1015, wherein the first opening 1011 is disposed at the front end of the barrel 101, the second opening 1013 is disposed at the rear end of the barrel 101, and the third opening 1015 is disposed between the front end of the barrel 101 and the rear end of the barrel 101. The first button 103 is coupled to the third opening 1015 of the barrel 101. The support housing 105 is assembled inside the barrel 101, and the support housing 105 has a slot 1051. The first pressure sensor 107 is, for example, a capacitive pressure sensor or a resistive pressure sensor, and can be implemented by a flexible circuit board.

The first pressure sensor 107 includes, for example, a first flat portion 1071 and a first bent portion 1073, and the first bent portion 1073 is connected to the first flat portion 1071. In one embodiment, the first flat portion 1071 and the first bending portion 1073 are integrally formed, for example. In another embodiment, the first flat portion 1071 and the first bent portion 1073 are two different parts assembled with each other.

In one embodiment, the circuit board 109 is a printed circuit board or a flexible circuit board, and the circuit board 109 is assembled inside the supporting housing 105. The circuit board 109 is provided with a control circuit 1091, and the control circuit 1091 is, for example, one or any combination of an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), and a system on a chip (SOC).

The first flat portion 1071 of the first pressure sensor 107 is located outside the slit 1051 of the support housing 105, and the first flat portion 1071 of the first pressure sensor 107 is in contact with the first button 103. The first bending portion 1073 of the first pressure sensor 107 extends into the supporting housing 105 through the slot 1051 and contacts the circuit board 109. The first bending portion 1073 contacting the circuit board 109 is further electrically connected to the control circuit 1091 through the conductive traces on the circuit board 109.

The pen tip 111 is assembled to the front end of the circuit board 109 and electrically connected to the control circuit 1091 through the conductive traces of the circuit board 109. In addition, the pen tip 111 protrudes out of the support housing 105 and the first opening 1011 of the pen barrel 101. The battery 113 is fixed on the circuit board 109 and electrically connected to the control circuit 1091, the first pressure sensor 107 and the pen tip 111 through the conductive traces of the circuit board 109, so as to supply power to the control circuit 1091, the first pressure sensor 107 and the pen tip 111. The rear cap 115 is assembled to the second opening 1013 of the barrel 101.

Fig. 4 is a functional block diagram of the touch pen of fig. 1, referring to fig. 3 and fig. 4 together, the control circuit 1091 of the circuit board 109 is electrically connected to the first pressure sensor 107 and the pen tip 111, and the battery 113 is electrically connected to the control circuit 1091, the first pressure sensor 107 and the pen tip 111. When the first button 103 receives a first external force, the first pressure sensor 107 detects a value, a direction and a duration of the first external force and transmits the value, the direction and the duration of the first external force to the control circuit 1091, and the control circuit 1091 generates a control command corresponding to at least one of the value, the direction and the duration of the first external force.

The gestures of several users and the corresponding control commands will be listed below, but the present invention is not limited thereto.

The stylus 1 is in contact with a touch screen of the electronic device, and the electronic device is executing a text editing interface. When the first external force detected by the first pressure sensor 107 is greater than or equal to the lower force limit, the direction of the first external force is parallel to the positive X-axis, and the duration of the first external force 1071 is less than the upper time limit, the control circuit 1091 generates a first control command. The tip 111 of the stylus 1 executes the first control command to move the scroll of the text editing interface upward. Conversely, when the value of the first external force detected by the first pressure sensor 107 is greater than or equal to the lower force limit, the direction of the first external force is parallel to the negative X-axis, and the duration of the first external force is less than the upper time limit, the control circuit 1091 generates a second control command. The tip 111 of the stylus 1 executes the second control command to move the scroll of the text editing interface downward.

When the first external force is applied to the first end of the first plane portion 1071 of the first pressure sensor 107 and the value of the first external force is greater than or equal to a lower limit of the force and the duration of the first external force is less than an upper limit of the time, the control circuit 1091 generates a third control instruction, and the tip 111 of the stylus 1 executes the third control instruction to execute the same function as the left button of the mouse. On the contrary, when the first external force is applied to the second end of the first plane portion 1071 of the first pressure sensor 107, the value of the first external force is greater than or equal to the lower limit of the force and the duration of the first external force is less than the upper limit of the time, the control circuit 1091 generates a fourth control command, and the tip 111 of the stylus 1 executes the fourth control command to execute the same function as the right button of the mouse.

When the value of the first external force detected by the first pressure sensor 107 is greater than or equal to an upper limit of a force and the duration of the first external force is greater than or equal to an upper limit of a time, the control circuit 1091 generates a fifth control command, and the tip 111 of the stylus 1 executes the fifth control command to execute a function of starting an eraser for drawing.

When the value of the first external force detected by the first pressure sensor 107 is greater than or equal to a lower limit of a force and the duration of the first external force is greater than or equal to an upper limit of a time, the control circuit 1091 generates a sixth control command, and the tip 111 of the stylus 1 executes the sixth control command to perform the desktop switching function.

The lower force limit, the upper force limit and the upper time limit are stored in a memory on the circuit board 109, and the memory is electrically connected to the control circuit 1091. Alternatively, the control circuit 1091 may have an internal memory, and the internal memory of the control circuit 1091 may store the lower limit of the force, the upper limit of the force, and the upper limit of the time.

Fig. 5 is a perspective view of a stylus according to a second embodiment of the present invention, fig. 6 is an exploded view of the stylus of fig. 5, and fig. 7 is a cross-sectional view of the stylus 2 of fig. 5 along line VII-VII. Referring to fig. 5 to 7, the stylus 2 includes a shaft 201, a first button 203, a supporting housing 205, a first pressure sensor 207, a circuit board 209, a pen head 211, a second button 213, a laser light source 215, a second pressure sensor 217, a battery 219, and a rear cover 221.

The pen holder 201 includes a first opening 2011, a second opening 2013, a third opening 2015 and a fourth opening 2017, the first opening 2011 is disposed at the front end of the pen holder 201, the second opening 2013 is disposed at the rear end of the pen holder 201, the third opening 2015 and the fourth opening 2017 are disposed between the front end of the pen holder 201 and the rear end of the pen holder 201, wherein the third opening 2015 is close to the front end of the pen holder 201 and the fourth opening 2017 is close to the rear end of the pen holder 201. The first button 203 is assembled with the third opening 2015 of the barrel 201. The support housing 205 is assembled inside the barrel 201, and the support housing 205 includes a slot 2051. The first pressure sensor 207 is, for example, a capacitive pressure sensor or a resistive pressure sensor, and can be implemented by a flexible circuit board.

The first pressure sensor 207 includes a first flat portion 2071 and a first bent portion 2073, and the first bent portion 2073 is connected to the first flat portion 2071. In this embodiment, the first flat part 2071 and the first bent part 2073 are formed integrally, for example. In other embodiments, the first flat part 2071 and the first bent part 2073 are connected to each other as two different parts.

The circuit board 209 is, for example, a printed circuit board or a flexible circuit board, and the circuit board 209 is assembled inside the supporting housing 205. A control circuit 2091 is disposed on the circuit board 209, and the control circuit 2091 is one or any combination of an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), and a system on a chip (SOC).

The first flat part 2071 of the first pressure sensor 207 is located outside the slot 2051 of the supporting housing 205, and the first flat part 2071 of the first pressure sensor 207 is in contact with the first button 203. The first bent portion 2073 of the first pressure sensor 207 extends into the supporting housing 205 through the slot 2051 and contacts the circuit board 209. The first bending part 2073 contacting the circuit board 209 is electrically connected to the control circuit 2091 through the conductive traces of the circuit board 209.

The pen head 211 is assembled to the front end of the circuit board 209 and electrically connected to the control circuit 2091 through the conductive circuit of the circuit board 209. In addition, the pen tip 211 protrudes out of the support housing 205 and the first opening 2011 of the pen barrel 201.

The second button 213 is assembled at the fourth opening 2017 of the pen barrel 201, and the laser source 215 is assembled at the rear end of the circuit board 209 and electrically connected to the control circuit 2091 through the conductive trace of the circuit board 209.

The second pressure sensor 217 is, for example, a capacitive pressure sensor or a resistive pressure sensor, and can be implemented by a flexible circuit board.

The second pressure sensor 217 includes a second flat portion 2171 and a second bending portion 2173, and the second bending portion 2173 is connected to the second flat portion 2171. In the present embodiment, the second flat portion 2171 and the second bending portion 2173 are integrally formed, for example. In other embodiments, the second flat portion 2171 and the second bent portion 2173 are connected to each other, for example, as two different parts.

The second flat surface portion 2171 of the second pressure sensor 217 is located outside the slot 2051 of the support housing 205, and the second flat surface portion 2171 of the second pressure sensor 217 is in contact with the second button 213. The second bending portion 2173 of the second pressure sensor 217 extends into the supporting housing 205 through the slot 2051 and contacts the circuit board 209. The second bending portion 2173 contacting the circuit board 209 is electrically connected to the control circuit 2091 through the conductive traces of the circuit board 209.

The battery 219 is fixed to the circuit board 209 and electrically connected to the control circuit 2091, the first pressure sensor 207, the pen point 211, the laser light source 215 and the second pressure sensor 217 through the conductive traces of the circuit board 209, so as to supply power to the control circuit 2091, the first pressure sensor 207, the pen point 211, the laser light source 215 and the second pressure sensor 217. The rear cover 221 is assembled with the second opening 2013 of the barrel 201, the laser source 215 is located between the rear cover 221 and the rear end of the circuit board 209, and the rear cover 221 is provided with a light hole for the laser emitted by the laser source 215.

Fig. 8 is a functional block diagram of the touch pen of fig. 5, referring to fig. 7 and 8 together, the control circuit 2091 of the circuit board 209 is electrically connected to the first pressure sensor 207, the pen head 211, the second pressure sensor 217 and the laser light source 215, and the battery 219 is electrically connected to the control circuit 2091, the first pressure sensor 207, the pen head 211, the second pressure sensor 217 and the laser light source 215. When the first button 203 receives the first external force, the first pressure sensor 207 detects the value, direction and duration of the first external force and transmits the value, direction and duration of the first external force to the control circuit 2091, and the control circuit 2091 generates a control command corresponding to at least one of the value, direction and duration of the first external force.

Regarding the gesture of the user on the first button 203 and the corresponding control command, the same as the touch pen 1 of the first embodiment is omitted, and only the gesture of the user on the second button 213 and the corresponding control command are described below.

When the second button 213 receives the second external force and the second pressure sensor 217 detects that the value of the second external force is greater than or equal to the lower force limit and the duration of the second external force is greater than or equal to the lower time limit, the second pressure sensor 217 transmits the value and the duration of the second external force to the control circuit 2091, and the control circuit 2019 activates the laser light source 215 according to the value and the duration of the second external force, so that the laser light source 215 emits laser light.

Advantageous effects of the embodiment ]:

the utility model discloses an one of them beneficial effect lies in, the utility model provides a touch-control pen decides control command through the application of force of sensing user on the pen-holder, except reducing the erroneous judgement probability of touch-control pen, more can realize more kinds of gesture control.

The above-mentioned contents are only preferred and feasible embodiments of the present invention, and are not intended to limit the claims of the present invention, so that all the equivalent technical changes made by using the contents of the specification and the drawings of the present invention are included in the claims of the present invention.

Claims

1. A stylus, comprising:

a pen holder;

the first button is connected with the penholder in a combined mode;

a first pressure sensor contacting the first button;

a circuit board assembled in the penholder and including a control circuit, wherein the first pressure sensor is fixed with the circuit board and electrically connected to the control circuit; and

one end of the pen point is connected with the circuit board, and the other end of the pen point extends out of the pen holder;

when the first button receives a first external force, the control circuit generates a first control instruction according to the first external force.

2. The touch pen of claim 1, wherein the barrel includes a first opening, a second opening and a third opening, the first opening and the second opening are respectively disposed at opposite ends of the barrel, the third opening is disposed between the first opening and the second opening, a portion of the pen head extends out of the first opening, and the first button is coupled to the third opening.

3. The touch pen of claim 1, wherein the first pressure sensor comprises a first flat portion and a first bending portion, the first bending portion is connected to one end of the first flat portion, the first flat portion contacts the first button, and the first bending portion contacts the circuit board.

4. The touch pen of claim 3, further comprising a supporting housing, wherein the supporting housing is assembled inside the pen barrel, the circuit board is assembled inside the supporting housing, the supporting housing has a slot, the first plane portion is located outside the slot and contacts with the first button, and the first bending portion extends into the supporting housing through the slot and contacts with the circuit board.

5. The touch pen of claim 1, wherein the control circuit generates the first control command according to at least one of a magnitude, a direction and a duration of the first external force.

6. The touch pen of claim 2, wherein the shaft further comprises a fourth opening, a second pressure sensor and a second button, the fourth opening is located between the second opening and the third opening, the second button is assembled to the fourth opening, one end of the second pressure sensor contacts the second button and the other end of the second pressure sensor contacts the circuit board.

7. The stylus of claim 6, wherein when the second button receives a second external force, the control circuit generates a second control command according to at least one of a magnitude, a direction, and a duration of the second external force.

8. The touch pen of claim 6, wherein the second pressure sensor comprises a second flat portion and a second bending portion, the second bending portion is connected to one end of the second flat portion, the second flat portion contacts the second button, and the second bending portion contacts the circuit board.

9. The touch pen of claim 8, further comprising a supporting casing, wherein the supporting casing is assembled inside the pen holder, the circuit board is assembled inside the supporting casing, the supporting casing has a slot, the second planar portion is located outside the slot and contacts the second button, and the second bending portion extends into the supporting casing through the slot and contacts the circuit board.

10. The stylus of claim 7, further comprising a laser light source coupled to the circuit board and electrically coupled to the control circuit, the control circuit activating the laser light source according to at least one of a magnitude, a direction, and a duration of the second external force.