Touch pen including sensing units arranged in array and method for controlling the same, touch control device and readable storage medium

Patent metadata

Field	Value
Publication number	US-11334201-B2
Application number	US-202016862161-A
Country	US
Kind code	B2
Filing date	Apr 29, 2020
Priority date	Oct 25, 2019
Publication date	May 17, 2022
Grant date	May 17, 2022

Abstract

A touch pen, a method for controlling the same, a touch control device and a readable storage medium are provided. The touch pen includes: a pen body; and a first controller, a touch sensing circuit and an accommodation part that are arranged on the pen body. The accommodation part is configured to accommodate a fluid, and is coupled to the touch sensing circuit. The touch sensing circuit is configured to contact the fluid in the accommodation part in a case that the pen body is in an inclined posture, detect position information of the fluid in contact with the touch sensing circuit and determine a corresponding reference value based on the position information. The first controller is coupled to the touch sensing circuit, and is configured to output a control signal according to the reference value.

First claim

What is claimed is:

1. A touch pen, comprising:
a pen body; and
a first controller, a touch sensing circuit and an accommodation part that are arranged on the pen body,
wherein:
the accommodation part is configured to accommodate a fluid and is coupled to the touch sensing circuit;
the touch sensing circuit is configured to contact the fluid in the accommodation part in a case that the pen body is in an inclined posture, detect position information of the fluid in contact with the touch sensing circuit and determine a corresponding reference value based on the position information;
the first controller is coupled to the touch sensing circuit, and is configured to output a control signal according to the reference value;
the touch sensing circuit comprises a touch detection sub-circuit and a touch sensor;
the touch sensor is configured to contact the fluid in the accommodation part in a case that the pen body is in an inclined posture;
the touch detection sub-circuit is configured to detect the position information of the touch sensor in contact with the fluid and determine the corresponding reference value based on the position information;
the touch sensor comprises a plurality of sensing units arranged in an array; and
the touch detection sub-circuit is coupled to each of the plurality of sensing units, and is configured to detect position coordinates of sensing units in contact with the fluid.

2. The touch pen according to claim 1 , wherein the touch detection sub-circuit is configured to determine, from the sensing units in contact with the fluid, a target sensing unit farthest from the accommodation part, and determine the corresponding reference value based on the position information of the target sensing unit.

3. The touch pen according to claim 1 , and wherein the touch sensor comprises a plurality of input data lines and a plurality of output data lines, each of the plurality of input data lines is coupled to sensing units in one row, and each of the plurality of output data lines is coupled to sensing units in one column, wherein a column direction is parallel to a central axis of the pen body.

4. The touch pen according to claim 1 , wherein:
a hollow groove is axially arranged inside the pen body, the accommodation part and the touch sensing circuit are in the hollow groove, and the accommodation part is located on a side of the touch sensing circuit close to a pen tip part of the pen body; and
the touch sensor is of a tubular shape, the accommodation part comprises an accommodation cavity, and the touch sensor and the accommodation cavity are coaxial with the hollow groove.

5. The touch pen according to claim 1 , further comprising a tubular member arranged inside the pen body or on an outer surface of the pen body; wherein:
the accommodation part and the touch sensing circuit are in the tubular member, and the accommodation part is located on a side of the touch sensing circuit close to a pen tip part of the pen body; and
the touch sensor is of a tubular shape, the accommodation part comprises an accommodation cavity, and the touch sensor and the accommodation cavity are coaxial with the tubular member.

6. The touch pen according to claim 1 , wherein:
the accommodation part is provided with a first cavity for accommodating the fluid; and
the touch sensing circuit is provided with a second cavity, the plurality of sensing units of the touch sensor is evenly arranged on an inner side wall of the second cavity to form a tubular shape, and the first cavity is in communication with the second cavity.

7. The touch pen according to claim 1 , wherein the touch detection sub-circuit and the first controller are integrated on one circuit board or one chip.

8. The touch pen according to claim 1 , wherein the first controller is coupled to a pen tip part of the pen body, and is configured to transmit, to a first device via the pen tip part, an excitation signal with a first frequency according to the reference value.

9. The touch pen according to claim 8 , wherein the first frequency and the reference value are in a positive correlation relationship or a negative correlation relationship.

10. The touch pen according to claim 1 , wherein the first controller is configured to transmit the control signal to a first communication circuit of a first device according to the reference value, to cause the first device to perform a corresponding operation according to the control signal.

11. A method for controlling a touch pen, applied to the touch pen according to claim 1 , comprising:
determining a reference value based on position information of the fluid in contact with the touch sensing circuit; and
outputting a control signal according to the reference value.

12. The method according to claim 11 , wherein the outputting the control signal according to the reference value comprises at least one of:
transmitting an excitation signal with a first frequency to a screen of a first device via a pen tip part according to the reference value; and
transmitting the control signal to a first communication circuit of the first device according to the reference value, so that the first device performs a corresponding operation according to the control signal.

13. A non-transitory readable storage medium, having a program stored thereon, wherein the program is executed by the touch pen to implement the method for controlling the touch pen according to claim 11 .

14. A touch pen, comprising:
a pen body; and
a first controller, a touch sensing circuit and an accommodation part that are arranged on the pen body,
wherein:
the accommodation part is configured to accommodate a fluid and is coupled to the touch sensing circuit;
the touch sensing circuit is configured to contact the fluid in the accommodation part in a case that the pen body is in an inclined posture, detect position information of the fluid in contact with the touch sensing circuit and determine a corresponding reference value based on the position information;
the first controller is coupled to the touch sensing circuit, and is configured to output a control signal according to the reference value;
the touch sensing circuit comprises a touch detection sub-circuit and a touch sensor;
the touch sensor is configured contact the fluid in the accommodation part in a case that the pen body is in an inclined posture;
the touch detection sub-circuit is configured to detect the position information of the touch sensor in contact with the fluid and determine the corresponding reference value based on the position information;
a hollow groove is axially arranged inside the pen body, the accommodation part and the touch sensing circuit are in the hollow groove, and the accommodation part is located on a side of the touch sensing circuit close to a pen tip part of the pen body; and
the touch sensor is of a tubular shape, the accommodation part comprises an accommodation cavity, and the touch sensor and the accommodation cavity are coaxial with the hollow groove.

15. A touch control device, comprising a first device and a touch pen, wherein the touch pen comprises:
a pen body; and
a first controller, a touch sensing circuit and an accommodation part that are arranged on the pen body,
wherein:
the accommodation part is configured to accommodate a fluid, and is coupled to the touch sensing circuit;
the touch sensing circuit is configured to contact the fluid in the accommodation part in a case that the pen body is in an inclined posture, detect position information of the fluid in contact with the touch sensing circuit and determine a corr

Assignees

• Hefei Boe Optoelectronics Tech
• Boe Technology Group Co Ltd

Inventors

• Wang Meng
• Fang Zhixiang
• Yang Guanglei

Classifications

• G06F3/0442 Primary

  using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser · CPC title

• G06F3/03545 Primary

  Pens or stylus · CPC title

• G06F3/04162

  for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware · CPC title

• G06F3/0383

  Signal control means within the pointing device · CPC title