Method of detecting touch input, apparatus for sensing touch input, and apparatus for inputting touch input

• US 9,864,475 B2
• Filed: 04/30/2015
• Issued: 01/09/2018
• Est. Priority Date: 04/30/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Park, Sung-soo, Kang, Byung-hoon
• Primary Examiner(s): Dharia, Prabodh M
• Application Number:
  US14/700,932
• Publication Number:
  US 20150317021A1
• Time in Patent Office: 985 Days
• Field of Search: 345173-184, 178 1801
• CPC Class Codes: G06F 2203/04104 Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/04162 for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
• CPC Class Codes: G06F 3/04166 Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184
• CPC Class Codes: G06F 3/046 by electromagnetic means
• CPC Class Codes: G09G 2370/16 Use of wireless transmission of display information
• CPC Class Codes: G09G 5/003 Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto specific for a CRT G09G1/165; for a flat panel G09G3/2092

Abstract

A method of detecting an input of an input marking apparatus includes generating and outputting a number signal to be written to the input marking apparatus, detecting the input marking apparatus in which the number signal is written, by detecting a response signal output from the input marking apparatus, and detecting a position of the input of the input marking apparatus of which the response signal is detected.

Claims

1. A method of detecting an input of a marking apparatus, the method comprising:

generating a number signal including first number information, and outputting the number signal to the marking apparatus, the first number information is to be stored in the marking apparatus;

outputting a first response request corresponding to the first number information to the marking apparatus storing the first number information;

detecting the marking apparatus storing the first number information, by detecting a response signal output from the marking apparatus storing the first number information; and

detecting a position of the input of the marking apparatus of which the response signal is detected,

wherein number information assigned to each of a plurality of marking apparatuses is different from each other, and response requests for the each of the plurality of marking apparatuses are different from each other based on the number information assigned to the each of the plurality of marking apparatuses, and

wherein the method further comprises sequentially outputting the response requests which are different from each other based on the number information assigned to the each of the plurality of marking apparatuses.

2. The method of claim 1, wherein the position of the input is detected by using an antenna that detects a resonance signal,

the method further comprising changing a drive axis of an antenna drive signal when a distance between a plurality of marking apparatuses is less than a reference value.

3. The method of claim 1,

wherein the position of the input is detected by using an antenna that detects a resonance signal,

the method further comprising changing a drive sequence of an antenna drive signal when a distance between a plurality of marking apparatuses is less than a reference value.

4. The method of claim 1, wherein, in the detecting of the marking apparatus, after the number signal is output, the marking apparatus is detected by detecting a number acceptance signal with respect to the number signal.

5. The method of claim 1, wherein the detecting of the marking apparatus comprises:

generating and outputting a response request signal with respect to the first number information after the number signal is output; and

detecting the marking apparatus by detecting a response signal with respect to the response request signal.

6. The method of claim 1, further comprising:

generating and outputting a pen pressure request signal that requests information about a pen pressure with respect to an marking apparatus associated with a particular number; and

acquiring the information about the pen pressure of the marking apparatus associated with the particular number by receiving a pen pressure signal output by the marking apparatus corresponding to the particular number.

7. The method of claim 1, further comprising:

generating and outputting additional information request signal that requests additional information with respect to a marking apparatus associated with a particular number; and

acquiring the additional information of the marking apparatus associated with the particular number by receiving an additional information signal output by the marking apparatus corresponding to the particular number.

8. The method of claim 7, wherein the additional information comprises information about a state of a button provided in the marking apparatus.

9. The method of claim 1, further comprising determining a delay between a response request signal and a response signal according to the number information stored in the marking apparatus.

10. The method of claim 1,

wherein the detecting of a position of the input of the marking apparatus comprises:

detecting a response signal from at least two marking apparatuses respectively associated with at least two numbers; and

if paths of touch inputs of the at least two marking apparatuses cross each other, detecting positions of the touch inputs of the at least two marking apparatuses of which paths cross each other.

11. An apparatus for sensing an input of a marking apparatus, the apparatus comprising:

an antenna which is configured to receive a signal from the marking apparatus and detect a position of an input of the marking apparatus; and

an input sensing apparatus controller configured to;

control to generate a number signal including first number information, and output, through the antenna, the number signal to the marking apparatus, the first number information is to be stored in the marking apparatus,

control to output, through the antenna, a first response request corresponding to the first number information to the marking apparatus storing the first number information,

control to detect the marking apparatus storing the first number information, and

control to detect a position of the input of the marking apparatus of which the response signal is detected,

wherein number information assigned to each of a plurality of marking apparatuses is different from each other, and response requests for the each of the plurality of marking apparatuses are different from each other based on the number information assigned to the each of the plurality of marking apparatuses, and

wherein the input sensing apparatus controller is further configured to control to sequentially output, through the antenna, the response requests which are different from each other based on the number information assigned to the each of the plurality of marking apparatuses.

12. The apparatus of claim 11, wherein the input sensing apparatus controller is further configured to control to change a drive axis of an antenna drive signal when a distance between a plurality of marking apparatuses is less than a reference value.

13. The apparatus of claim 11,

wherein the input sensing apparatus controller is further configured to control to change a drive sequence of an antenna drive signal when a distance between a plurality of marking apparatuses is less than a reference value.

14. The apparatus of claim 11, wherein the input sensing apparatus controller is further configured to control to detect the marking apparatus by detecting a number acceptance signal with respect to the number signal after the number signal is output.

15. The apparatus of claim 11, wherein the input sensing apparatus controller is further configured to control to acquire the information about a position of the marking apparatus by generating and outputting a response request signal with respect to the number signal after the number signal is output, and detecting a response signal with respect to the response request signal.

16. The apparatus of claim 11, wherein the input sensing apparatus controller is further configured to control to generate and output, through the antenna, a pen pressure request signal that requests information about a pen pressure with respect to a marking apparatus associated with a particular number, and to acquire the information about the pen pressure of the marking apparatus associated with the particular number by receiving a pen pressure signal output by the marking apparatus corresponding to the particular number.

17. The apparatus of claim 16, wherein the marking apparatus is further configured to change a state function of the marking apparatus according to the number signal transmitted by the input sensing apparatus for sensing an input of a marking apparatus and to determine the response signal according to a combination of the state function and the response request signal transmitted by the input sensing apparatus.

18. The apparatus of claim 11, wherein the input sensing apparatus controller is further configured to generate and output an additional information request signal that requests additional information with respect to a marking apparatus associated with a particular number, and to acquire the additional information of the marking apparatus associated with the particular number by receiving an additional information signal output by the marking apparatus corresponding to the particular number.

19. The apparatus of claim 18, wherein the additional information comprises information about a state of a button provided in the marking apparatus.

20. The apparatus of claim 11,

wherein a delay between a response request signal and a response signal is determined according to the number information stored in the marking apparatus.

21. The apparatus of claim 11,

wherein the touch-input sensing apparatus controller is further configured to detect positions of at least two inputs by tracking positions of the at least two inputs of at least two marking apparatuses of which response signals are detected when paths of the at least two inputs of the at least two marking apparatuses cross each other.

22. A marking apparatus for marking an input, the apparatus comprising:

a storage which is configured to store first number information received from an input sensing apparatus;

a marking apparatus controller configured to control to generate and output a response signal in response to a first response request corresponding to the first number information received from the input sensing apparatus; and

a resonance signal outputter configured to generate and output a resonance signal,

wherein number information assigned to each of a plurality of marking apparatuses is different from each other, and response requests for the each of the plurality of marking apparatuses are different from each other based on the number information assigned to the each of the plurality of marking apparatuses, and

wherein the marking apparatus controller is further configured to control the resonance signal outputter to output the resonance signal in response to a response request corresponded to the first number information.

23. The apparatus of claim 22, wherein the marking apparatus controller is further configured to determine a delay between the response request and the response signal according to number information included in the response request.

24. The apparatus of claim 22, wherein, when the first response request is detected and a reference time passes, the marking apparatus controller is further configured to control to erase the first number information stored in the storage.

25. The apparatus of claim 22, wherein, when the first number information is input, the marking apparatus controller is further configured to control to generated and output a number acceptance signal.

26. The apparatus of claim 22, further comprising a pen pressure detector which is configured to detect a pen pressure of the marking apparatus,

wherein, when a pen pressure request signal that requests information about a pen pressure corresponding to a number of the marking apparatus is received, the marking apparatus controller is further configured to control the resonance signal outputter to output a pen pressure signal including information about the pen pressure.

27. The apparatus of claim 22, wherein the storage stores additional information about the marking apparatus, and

when the additional information request signal that requests additional information corresponding to a number of the marking apparatus is received, the input sensing apparatus controller outputs an additional information signal including the additional information.

28. The apparatus of claim 27, wherein the marking apparatus comprises a button for setting a state of the marking apparatus, and

the additional information comprises information about a state of the button.