Electric Pen

• US 20160154485A1
• Filed: 07/17/2014
• Published: 06/02/2016
• Est. Priority Date: 07/17/2013
• Status: Active Grant

• Current Assignee: Stabilo International GmbH (Schwanhäußer Industrie Holding GmbH & Co. KG)
• Original Assignee: Stabilo International GmbH (Schwanhäußer Industrie Holding GmbH & Co. KG)
• Inventors: Kampt, Karl-Peter
• Granted Patent: US 10,474,252 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 3/0346 with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/0383 Signal control means within the pointing device

Abstract

Included herein is an electronic pen (100) with pen position detection, comprising at least a writing lead (113), at least an electric voltage source (103), at least one digital control unit (120) and at least one data transfer module (111), characterized in that the electronic pen (100) comprises at least three position determination sensors (105, 112, 104), wherein said determination sensors are configured such that from their measurement data an over-determination of the position and/or movement of the electronic pen (100) can be determined.

Claims

1. An electronic pen comprising:

a pen position detection having a writing lead, an electric voltage source, at least one digital control unit, at least one data transfer module, and a longitudinal axis;

at least three position determination sensors, wherein said determination sensors are configured and positioned to provide measurement data for the determination of the position and movement of the electronic pen.

2. The electronic pen according to claim 1, further including a force sensor coupled to the writing lead.

3. The electronic pen according to claim 2, wherein at least two of the position determination sensors are three-dimensional acceleration sensors and one position determination sensor is a three-dimensional rotation rate sensor.

4. The electronic pen according to claim 1, wherein at least two of the position determination sensors are three-dimensional acceleration sensors and one position determination sensor is a three-dimensional rotation rate sensor.

5. The electronic pen according to claim 2, wherein at least two of the position determination sensors are three-dimensional acceleration sensors and one position determination sensor is selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

6. The electronic pen according to claim 1, wherein at least two of the position determination sensors are three-dimensional acceleration sensors and one position determination sensor is selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

7. The electronic pen according to claim 2, wherein three of the position determination sensors are three-dimensional acceleration sensors.

8. The electronic pen according to claim 1, wherein three of the position determination sensors are three-dimensional acceleration sensors.

9. The electronic pen according to claim 2, wherein at least two of the position determination sensors are three-dimensional rotation rate sensors.

10. The electronic pen according to claim 1, wherein at least two of the position determination sensors are three-dimensional rotation rate sensors.

11. The electronic pen according to claim 2, wherein one position determination sensor is a three-dimensional acceleration sensor and one position determination sensor is selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

12. The electronic pen according to claim 1, wherein one position determination sensor is a three-dimensional acceleration sensor and one position determination sensor is selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

13. The electronic pen according to claim 2, further comprising an air pressure sensor.

14. The electronic pen according to claim 1, further comprising an air pressure sensor.

15. The electronic pen according to claim 2, further comprising at least one combination sensor integrating at least two determination sensors.

16. The electronic pen according to claim 1, further comprising at least one combination sensor integrating at least two determination sensors.

17. The electronic pen according to claim 16, wherein the combination sensor comprises a three-dimensional rotation rate sensor and a three-dimensional acceleration sensor.

18. The electronic pen according to claim 16, wherein the combination sensor comprises a three-dimensional acceleration sensor and a sensor selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

19. The electronic pen according to claim 16, wherein the combination sensor comprises a three-dimensional rotation rate sensor and a sensor selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

20. The electronic pen according to claim 16, wherein the combination sensor comprises a three-dimensional rotation rate sensor, a three-dimensional acceleration sensor, and a sensor selected from the group consisting of a one-dimensional magnetic field sensor, a two-dimensional magnetic field sensor, and a three-dimensional magnetic field sensor.

21. The electronic pen according to claim 16, wherein the combination sensor is arranged along the longitudinal axis of the electronic pen.

22. The electronic pen according to claim 16, wherein the combination sensor is arranged along an axis parallel to the longitudinal axis.

23. The electronic pen according to claim 16, wherein the combination sensor is arranged along an axis oblique to the longitudinal axis.

24. The electronic pen according to claim 16, wherein the combination sensor is arranged along an axis perpendicular to the longitudinal axis.

25. The electronic pen according to claim 1, wherein the combination sensor is arranged along the longitudinal axis of the electronic pen.

26. The electronic pen according to claim 1, wherein the combination sensor is arranged along an axis parallel to the longitudinal axis.

27. The electronic pen according to claim 1, wherein the combination sensor is arranged along an axis oblique to the longitudinal axis.

28. The electronic pen according to claim 1, wherein the combination sensor is arranged along an axis perpendicular to the longitudinal axis.

29. The electronic pen according to claim 8, wherein the third acceleration is arranged with a circumferential offset of 180°

+/−

90°

along a circumference relative to the position of one of the first two acceleration sensors.

30. The electronic pen according to claim 16, wherein the third acceleration is arranged with a circumferential offset of 180°

+/−

90°

along a circumference relative to the position of one of the first two acceleration sensors.

31. The electronic pen according to claim 17, wherein the third acceleration is arranged with a circumferential offset of 180°

+/−

90°

along a circumference relative to the position of one of the first two acceleration sensors.

32. The electronic pen according to claim 18, wherein the third acceleration is arranged with a circumferential offset of 180°

+/−

90°

along a circumference relative to the position of one of the first two acceleration sensors.

33. The electronic pen according to claim 19, wherein the third acceleration is arranged with a circumferential offset of 180°

+/−

90°

along a circumference relative to the position of one of the first two acceleration sensors.

34. The electronic pen according to claim 20, wherein the third acceleration is arranged with a circumferential offset of 180°

+/−

90°

along a circumference relative to the position of one of the first two acceleration sensors.

35. The electronic pen according to claim 1, further comprising an integrated data processing unit for integration and error correction of the measured and recorded data, wherein the data created by the integrated data processing unit can be transmitted.

36. An apparatus for the electronic detection of a position of an writing utensil, the apparatus comprising:

an electronic pen having a pen position detection having a writing lead, an electric voltage source, at least one digital control unit, at least one data transfer module, a longitudinal axis, and at least three position determination sensors, wherein said determination sensors are configured and positioned to provide measurement data for the determination of the position and movement of the electronic pen;

at least one data receiving module for receiving the data transmitted through the data transfer module of the electronic pen;

a data processing unit for analyzing and processing the received data;

a data output unit;

a data storage unit; and

wherein the data processing unit can perform an integration and error correction of the received data, and can output the processed data via the data output unit and can store the processed data on the data storage unit.

37. A method for detection and recognition of motion patterns and positions of an electronic pen, wherein at least three position determination sensors determine the position and movement of the electronic pen.