TRANSMITTER AND CONTROLLING METHOD THEREOF

• US 20160252981A1
• Filed: 05/13/2016
• Published: 09/01/2016
• Est. Priority Date: 11/08/2013
• Status: Active Grant

• Current Assignee: eGalax_eMPIA Technology Inc.
• Original Assignee: eGalax_eMPIA Technology Inc.
• Inventors: CHANG, CHIN-FU, YEH, SHANG-TAI
• Granted Patent: US 11,181,994 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 2203/04108 Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/0383 Signal control means within the pointing device
• 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 3/0442 using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: H04B 1/02 Transmitters

Abstract

The present application provides a transmitter including a first sensor and a processing module electrically coupled to the first sensor. The processing module is configured to transmit a first electric signal during a first time period. The first electric signal represents at least one part of a digital sensing value of the first sensor.

Claims

1. A transmitter, comprising:

a tip section;

a first sensor; and

a processing module, electrically coupled to the first sensor and the tip section, configured to transmit a first electric signal during a first time period, wherein the first electric signal represents a first digital of a digital sensing value of the first sensor in number system based on N, where N is bigger than or equal to 2.

2. The transmitter of claim 1, wherein the digital sensing value is a pressure digital value the first sensor senses the tip section of the transmitter being pressed.

3. The transmitter of claim 1, wherein the first electric signal includes at least N−

1 state values.

4. The transmitter of claim 1, wherein the first electric signal further includes any or any combination of redundancy code, error correcting code, and check code of the state value thereof.

5. The transmitter of claim 1, wherein a transmitting time length of the first electric signal relates to the first digital'"'"'s value and a unit time length.

6. The transmitter of claim 1, wherein a pulse-repeating frequency of the first electric signal relates to the first digital'"'"'s value.

7. The transmitter of claim 1, wherein the processing module is used to transmits a second electric signal during a second time period, the second electric signal is used to represent a second digital of the digital sensing value in number system based on M, where M is bigger than or equal to 2.

8. The transmitter of claim 7, wherein M is not equal to N.

9. The transmitter of claim 7, wherein the second electric signal includes at least M−

1 state values.

10. The transmitter of claim 7, wherein the second electric signal further includes any or any combination of redundancy code, error correcting code, and check code of the state value thereof.

11. The transmitter of claim 7, wherein a transmitting time length of the second electric signal relates to the second digital'"'"'s value and a unit time length, the electric signal is not transmitted in an interval between the first time period and the second time period.

12. The transmitter of claim 7, wherein a pulse-repeating frequency of the second electric signal relates to the second digital'"'"'s value.

13. The transmitter of claim 12, wherein the length of the first time period is equal to the length of the second time period.

14. The transmitter of claim 1, wherein the transmitter further includes a second sensor, the processing module is used to transmit a third electric signal during a third time period, the third electric signal is used to represent a digital sensing value of the second sensor.

15. The transmitter of claim 14, wherein the transmitter further includes a third sensor, and the third electric signal is further to represent a digital sensing value of the third sensor.

16. The transmitter of claim 14, wherein the third time period is after the transmitter receiving a beacon signal, the first time period is after the third time period.

17. The transmitter of claim 14, wherein the transmitter further includes a ring electrode surrounding the tip section, the third electric signal is transmitted by the tip section or the ring electrode or the combination of them.

18. A method for controlling a transmitter including a first sensor and a tip section, the method comprising:

transmitting a first electric signal through the tip section during a first time period, wherein the first electric signal represents a first digital of a digital sensing value of the first sensor in number system based on N, where N is bigger than or equal to 2.

19. The method of claim 18, further comprising:

using the first sensor to sense a pressure digital value of the tip section of the transmitter being pressed so as to get a digital sensing value of the first sensor.

20. The method of claim 18, wherein the first electric signal includes at least N−

1 state values.

21. The method of claim 18, wherein the first electric signal further includes any or any combination of redundancy code, error correcting code, and check code of the state value thereof.

22. The method of claim 18, wherein a transmitting time length of the first electric signal relates to the first digital'"'"'s value and a unit time length.

23. The method of claim 18, wherein a pulse-repeating frequency of the first electric signal relates to the first digital'"'"'s value.

24. The method of claim 18, further comprising:

transmitting a second electric signal during a second time period, the second electric signal is used to represent a second digital of the digital sensing value in number system based on M, where M is bigger than or equal to 2.

25. The method of claim 24, wherein M is not equal to N.

26. The method of claim 24, wherein the second electric signal includes at least M−

1 state values.

27. The method of claim 24, wherein the second electric signal further includes any or any combination of redundancy code, error correcting code, and check code of the state value thereof.

28. The method of claim 24, wherein a transmitting time length of the second electric signal relates to the second digital'"'"'s value and a unit time length, the electric signal is not transmitted in an interval between the first time period and the second time period.

29. The method of claim 24, wherein a pulse-repeating frequency of the second electric signal relates to the second digital'"'"'s value.

30. The method of claim 29, wherein the length of the first time period is equal to the length of the second time period.

31. The method of claim 18, wherein the transmitter further includes a second sensor, the method further includes transmitting a third electric signal during a third time period, the third electric signal is used to represent a digital sensing value of the second sensor.

32. The method of claim 31, wherein the transmitter further includes a third sensor, and the third electric signal is further to represent a digital sensing value of the third sensor.

33. The method of claim 31, wherein the third time period is after the transmitter receiving a beacon signal, the first time period is after the third time period.

34. The method of claim 31, wherein the transmitter further includes a ring electrode surrounding the tip section, and the third electric signal is transmitted by the tip section or the ring electrode or the combination of them.