TW201935192A - Stylus with at least two signal-receiving components - Google Patents

Abstract

A stylus with at least two signal-receiving components includes a tip and a control module; a signal-transmitting component, a first signal-receiving component, and a second signal-receiving component separated from each other are mounted on the tip; the first signal-receiving component is used for contacting the touch panel. The control module is electrically connected to the signal-transmitting component, the first signal-receiving component, and the second signal-receiving component, and receives a first receiving signal provided by the first signal-receiving component and a second receiving signal provided by the second signal-receiving component. The first receiving signal and the second receiving signal are processed by the control module to produce a result value. The control module further sends a driving signal in accordance with the result value to the signal-transmitting component, so that the driving signal is transmitted to the touch panel.

Description

Stylus with at least two signal receiving parts

This creation is about a stylus, and in particular, a stylus with at least two signal receiving parts.

The touch screen allows the user to use a finger, stylus, or other object to touch the touch panel to perform various functions. Therefore, many electronic devices (such as smartphones or tablets) will use the touch panel as the operating interface. It is convenient for users to operate with touch. However, in order to make the process of operating the touch panel faster and provide details such as the thickness of drawn lines and brushes, most users will choose a stylus for writing or drawing.

However, when writing or drawing on the screen of the touch panel, the separation of the force information and noise from the pen tip can easily cause misoperation and cannot accurately show the thickness of the drawn lines, brushes and other details. A problem that the domain must address.

The present invention provides a stylus pen with at least two signal receiving elements. The signal receiving elements arranged at different positions of the pen tip respectively receive signals from the touch panel to avoid the problem of no action caused by noise.

According to the present invention, a stylus pen with at least two signal receiving elements is provided, including a pen tip and a control module; the pen tip includes a signal transmitting element, a first signal receiving element, and a second signal receiving element arranged at intervals. The first signal receiving part is used to contact the touch panel; the control module is electrically connected to the signal transmitting part, the first signal receiving part and the second signal receiving part, wherein the control module receives a first receiving provided by the first signal receiving part. A second received signal provided by the signal and the second signal receiving part, performs signal processing on the first received signal and the second received signal to obtain a result value, and then sends a driving signal to the signal transmitting part according to the result value, so that The driving signal is transmitted to the touch panel.

According to an embodiment of the present invention, the signal transmitting member, the first signal receiving member, and the second signal receiving member are made of metal or conductive plastic, and the insulating member is made of electrically insulating polymer resin or electrically insulating polymer composite material. to make.

According to an embodiment of the present invention, the stylus pen having at least two signal receiving members further includes a grounding member, which is insulatedly connected to the first signal receiving member, and the signal transmitting member and the second signal receiving member are insulatedly disposed on the grounding member. .

According to an embodiment of the present invention, the stylus pen having at least two signal receiving members further includes a plurality of insulating members disposed between the adjacent signal transmitting members, the first signal receiving member, and the second signal receiving member.

According to an embodiment of the present invention, the signal transmitting member is disposed between the first signal receiving member and the second signal receiving member.

According to an embodiment of the present invention, the second signal receiving element is disposed between the first signal receiving element and the signal transmitting element.

According to one embodiment of the present invention, when the surface area of the first signal receiving member is A _R1 and the surface area of the second signal receiving member is A _R2 , the following conditions are satisfied: A _R2 ≥ A _R1 .

According to an embodiment of the present invention, when the surface area of the first signal receiving member is A _R1 and the surface area of the signal transmitting member is A _T , the following conditions are satisfied: A _T ≥ A _R1 .

According to one embodiment of the present invention, the stylus pen having at least two signal receiving members further includes a pen, which has a cavity for receiving the control module, the pen tip is located at one end of the pen rod, and the first signal receiving member is disposed away from the pen rod. .

FIG. 1 is a schematic diagram of a stylus pen with at least two signal receiving elements according to the first embodiment of the present invention for use with a touch panel. The stylus pen (hereinafter referred to as "stylus pen") 1 with at least two signal receiving parts of this creation is applied to a capacitive touch panel (hereinafter referred to as "touch panel") 3, and when the stylus pen 1 touches When the surface of the control panel 3 or temporarily stays on the surface of the touch panel 3, one place of the touch panel 3 can obtain input information about the stylus 1.

In FIG. 1, the stylus pen 1 is located on the touch surface 30 of the touch panel 3. The pen tip 12 is provided with two or more signal receiving elements and at least one signal transmitting element (see details below). The aforementioned two or more signal receiving members and signal transmitting members form a coupling capacitance with the sensing unit S formed at the intersection of one of the scanning lines Tx and one of the receiving lines Rx in the touch panel 3; The electrostatic capacitance of the scanning line Tx and the receiving line Rx at the touched point of the panel 3 will change, which will cause the charge (or voltage, current) of the scanning line Tx and the receiving line Rx to change; by comparing adjacent scanning The difference between the charge of the line and the receiving line, the position of the touch point can be calculated.

It should be particularly noted here that the touch panel 3 may include a plurality of scanning lines Tx arranged parallel to the X axis, and a plurality of receiving lines Rx, scanning lines Tx, and receiving lines Rx arranged parallel to the Y axis. The intersection point defines a sensing unit S; for ease of illustration, only one of the scanning lines Tx, one of the receiving lines Rx, and the intersection of the foregoing scanning line Tx and the receiving line Rx are shown in FIG. 1. A sensing unit S.

The stylus pen 1 includes a pen 10 and a pen tip 12; the pen pen 10 is used for hand-held use by a user, and a cavity 102 may be provided in the pen pen 10 for receiving a circuit board 14. The circuit board 14 may be equipped with a control module 16 (as shown in FIG. 2) for processing signals from the touch panel 3 and driving the stylus pen 1; the control module 16 may be connected to the circuit board The pre-configured circuit wiring on 14 forms an electrical connection.

FIG. 2 is a partial cross-sectional view of a stylus pen with at least two signal receiving elements according to the first embodiment of the present invention. The pen tip 12 is located at one end of the pen tip 10 for contacting the touch surface 30 (shown in FIG. 1) of the touch panel 3. The pen tip 12 is provided with a signal transmitting member 122, a first signal receiving member 124 and a second Signal receiving piece 126. The signal transmitting member 122, the first signal receiving member 124, and the second signal receiving member 126 are each made of a conductive material, such as metal or conductive plastic, and they are arranged at intervals to contact each other to cause signal cancellation or signal feedback. The problem occurred. In order to more effectively avoid the problem of signal cancellation or signal feedback caused by the contact of the signal transmitting element 122, the first signal receiving element 124 and the second signal receiving element 126, the adjacent signal transmitting element 122 and the first signal receiving element An insulating member 128 may be provided between 124 and the second signal receiving member 126; the insulating member 128 may be made of an electrically insulating polymer resin or an electrically insulating polymer composite material.

The signal transmitting element 122 is disposed between the first signal receiving element 124 and the second signal receiving element 126, and the first signal receiving element 124 is disposed away from the pen holder 10. In other words, the second signal receiving member 126 is disposed closest to the pen holder 10, and the signal transmitting member 122 is next. Secondly, at least two insulating members 128 are provided in this embodiment, and one of the insulating members 128 is interposed between the signal transmitting member 122 and the first signal receiving member 124 to prevent the signal transmitting member 122 and the first signal receiving member. 124 contact caused signal cancellation or signal feedback; the other insulating member 128 is interposed between the signal transmitting member 122 and the second signal receiving member 126 to prevent the signal transmitting member 122 and the second signal receiving member 126 from contacting This can cause signal cancellation or signal feedback.

The signal transmitting element 122, the first signal receiving element 124, and the second signal receiving element 126 can be electrically connected to the control module 16 through the circuit board 14, respectively. More specifically, the signal transmitting member 122, the first signal receiving member 124, and the second signal receiving member 126 may be electrically connected to the circuit board 14 through the conductive wires 123, 125, 127, respectively, and then formed in the circuit in advance through Circuits on the board 14 are electrically connected to the control module 16. In this way, the control module 16 can receive the received signals provided by the first signal receiving element 124 and the second signal receiving element 126, and provide the received signals to the signal transmitting element 122 after appropriate processing to complete the touch panel 3 Operation.

Generally, the stylus 1 used by a user will contact the touch surface 3 of the touch panel 3 obliquely (that is, the stylus 1 touches the touch panel 3 non-vertically); therefore, the first signal receiving element 124 and The second signal receiving element 126 can individually receive the charges from the scan line Tx of the touch panel 3. The touch panel 3 can calculate a position of a touch point of the stylus pen 1 by detecting a change in electric charge. Here, the charge received from the touch panel 3 received by the first signal receiver 124 is defined as the first received signal, and the charge received from the touch panel 3 received by the second signal receiver 126 is defined as the second reception. signal.

Further, the first receiving signal and the second receiving signal are individually transmitted to the control module 16 via the conductive wires 125 and 127. The control module 16 may perform signal processing on the first received signal and the second received signal to obtain a result value. Then, the control module 16 generates a corresponding driving signal according to the foregoing result value, and converts the foregoing driving signal. The signal transmission element 122 is provided to control the touch panel 3 through the conductive line 123. The driving signal can be used to adjust the setting of the screen marking action function performed on the touch panel 3, for example, the touch panel 3 Clicking, deleting, and adjusting the thickness of the marker line displayed on the touch panel 3 are performed.

Due to the inconsistent distances between the signal transmitting member 122, the first signal receiving member 124 and the second signal receiving member 126 and the touch surface 30 when the pen tip 12 touches the touch panel 3, the signal transmitted by the signal transmitting member 122 may be caused. The problem that the signal cannot be smoothly transmitted to the touch panel 3, or that the first signal receiving element 124 and / or the second signal receiving element 126 cannot smoothly receive the charge from the touch panel 3 can be changed by changing the outside of the pen tip 12 And the surface area of the signal transmitting element 122, the first signal receiving element 124, and the second signal receiving element 126 to ensure that signals can be received and transmitted smoothly.

More specifically, the shape of the pen tip 12 may be conical, and the outer diameter of the pen tip 12 gradually decreases as it moves away from the pen shaft 10; the first signal receiving member 124 is disposed at a tip portion of the pen tip 12. Second, when the surface area of the signal transmitting element 122 is A _T , the surface area of the first signal receiving element 124 is A _R1 , and the surface area of the second signal receiving element 126 is A _R2 , the following conditions can be satisfied: A _T > A _R1 ; and A _R2 ＞ A _R1 .

FIG. 3 is a partial cross-sectional view of a stylus pen with at least two signal receiving elements according to the second embodiment of the present invention. The stylus pen (hereinafter simply referred to as the “stylus pen”) 1 with at least two signal receiving elements shown in FIG. 3 is substantially the same as the stylus pen 1 described in the first embodiment; the difference between the two lies in their equivalent pen tips. The arrangement positions of the signal transmitting element 122, the first signal receiving element 124, and the second signal receiving element 126 of 12 are arranged.

In FIG. 3, the second signal receiving member 126 is disposed between the signal transmitting member 122 and the first signal receiving member 124, and the first signal transmitting member 124 is disposed away from the pen holder 10. In other words, the signal transmitting member 122 is closest to the pen holder 10 and the second signal receiving member 126 is next.

The pen tip 12 is provided with two insulating members 128, one of which is interposed between the signal transmitting member 122 and the second signal receiving member 126 to prevent the signal transmitting member 122 and the second signal receiving member 126 from contacting each other to cause a signal. Offset or signal feedback; the other insulating member 128 is interposed between the first signal receiving member 124 and the second signal receiving member 126 to prevent the first signal receiving member 124 and the second signal receiving member 126 from contacting and Cause signal cancellation or signal feedback. In short, in a direction away from the pen holder 1, the pen tip 12 is sequentially disposed with a signal transmitting member 122, an insulating member 128, a second signal receiving member 126, an insulating member 128, and a first signal receiving member 124.

In FIG. 3, the shape of the pen tip 12 is conical, and when the height of the signal transmitting member 122 is A _T , the height of the first signal receiving member 124 is A _R1 , and the height of the second signal receiving member 126 is A _R2 , Satisfy the following conditions: A _T > A _R1 ; and A _R2 > A _R1 . Thereby, the signals transmitted by the signal transmitting member 122 cannot be smoothly transmitted to the touch panel 3 due to the arrangement positions of the signal transmitting member 122, the first signal receiving member 124, and the second signal receiving member 126. Or the problem that the first signal receiving element 124 and / or the second signal receiving element 126 cannot receive the electric charge from the touch panel 3 smoothly.

FIG. 4 is a schematic diagram of a stylus pen with at least two signal receiving elements according to the third embodiment of the present invention. A stylus pen (hereinafter simply referred to as a “stylus pen”) 1 with at least two signal receiving members shown in FIG. 4 includes a pen 10 and a pen tip 12; the pen 10 is used for holding by a user, and a pen 10 may be provided in the pen 10 The cavity 102 is used for receiving a circuit board 14. The circuit board 14 may be equipped with a control module 16 for processing signals from the touch panel 3 and for driving the stylus pen 1.

The pen tip 12 is located at one end of the pen holder 10 for contacting the touch surface 30 of the touch panel 3. A signal transmitting member 122, a first signal receiving member 124, a second signal receiving member 126, and a grounding member are provided thereon. 130. In FIG. 4, the grounding member 130 is connected to the ground end, and is disposed between the pen holder 10 and the first signal receiving member 124, and can be connected to the first signal receiving member 124 in an insulated manner.

The second signal receiving member 126 and the signal transmitting member 130 are arranged on the grounding member 130 in an insulated manner, and the signal transmitting member 122 is disposed near the pen holder 10. The second signal receiving member 126 is disposed on the signal transmitting member 130 and the first signal receiving member. Between 126.

Secondly, the shape of the pen tip 12 is conical, and when the height of the signal transmitting member 122 is A _T , the height of the first signal receiving member 124 is A _R1 , and the height of the second signal receiving member 126 is A _R2 , the following Conditions: A _T > A _R1 ; and A _R2 > A _R1 .

Thereby, the signals transmitted by the signal transmitting member 122 cannot be smoothly transmitted to the touch panel 3 or the first signal due to the arrangement positions of the signal transmitting member 122, the first signal receiving member 124, and the second signal receiving member 126. The receiver 124 and / or the second signal receiver 126 cannot receive the electric charge from the touch panel 3 smoothly.

Although this creation has been disclosed as above in implementation, it is not intended to limit this creation. Any person skilled in this art can make various modifications and retouches without departing from the spirit and scope of this creation, so the protection of this creation The scope shall be determined by the scope of the attached patent application.

1‧‧‧ Stylus

10‧‧‧pen

102‧‧‧Capacity

12‧‧‧writing

122‧‧‧Signal Transmission

123, 125, 127‧‧‧ Conductive wire

124‧‧‧First Signal Receiver

126‧‧‧Second signal receiver

128‧‧‧ Insulation

130‧‧‧ grounding piece

14‧‧‧Circuit Board

16‧‧‧Control Module

3‧‧‧ touch panel

30‧‧‧Touch surface

Tx‧‧‧scan line

Rx‧‧‧ Receive Line

FIG. 1 is a schematic diagram of a stylus pen with at least two signal receiving elements according to the first embodiment of the present invention for use with a touch panel; FIG.

2 is a partial cross-sectional view of a stylus pen with at least two signal receiving elements according to the first embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a stylus pen with at least two signal receiving members according to the second embodiment of the present invention; and

FIG. 4 is a schematic diagram of a stylus pen with at least two signal receiving elements according to the third embodiment of the present invention.

Claims (9)

A stylus pen with at least two signal receiving members, comprising: a pen head, including a signal transmitting member, a first signal receiving member and a second signal receiving member arranged at intervals, wherein the first signal receiving member is used for contacting Touch panel: and a control module electrically connected to the signal transmitting part, the first signal receiving part and the second signal receiving part, wherein the control module receives a first receiving provided by the first signal receiving part The signal and a second received signal provided by the second signal receiving part, the control module then performs signal processing on the first received signal and the second received signal to obtain a result value, and sends a driving signal according to the result value The signal transmitting component is provided so that the driving signal can be transmitted to the touch panel. The stylus pen with at least two signal receiving elements as described in the first item of the claim, further comprising a plurality of insulating elements, the signal transmitting element, the first signal receiving element, and the second signal receiving element disposed adjacently. between. The stylus pen with at least two signal receiving parts according to item 2 of the claim, wherein the signal transmitting part, the first signal receiving part and the second signal receiving part are made of metal or conductive plastic, and the insulation The parts are made of an electrically insulating polymer resin or an electrically insulating polymer composite material. The stylus pen with at least two signal receiving parts according to item 1 of the claim, further comprising a grounding member, which is insulatedly connected to the first signal receiving member, the signal transmitting member and the second signal receiving member. Placed on this grounding piece. The stylus pen with at least two signal receiving elements according to item 1 of the claim, wherein the signal transmitting element is disposed between the first signal receiving element and the second signal receiving element. The stylus pen with at least two signal receiving elements as described in claim 1, wherein the second signal receiving element is disposed between the first signal receiving element and the signal transmitting element. The stylus pen with at least two signal receiving elements as described in the first item of claim, wherein when the surface area of the first signal receiving element is A _R1 and the surface area of the second signal receiving element is A _R2 , the following conditions are satisfied : A _R2 ≥ A _R1 . The stylus pen with at least two signal receiving elements as described in the first item of claim, wherein when the surface area of the signal transmitting element is A _T and the surface area of the first signal receiving element is A _R1 , the following conditions are satisfied: A _T ≥ A _R1 . The stylus pen with at least two signal receiving elements as described in the item 1 of the claim, further comprising: a pen with a cavity for receiving the control module, the pen tip is located at one end of the pen pen and the first signal The receiver is located away from the pen.