Electronic pen

• US 10,474,252 B2
• Filed: 07/17/2014
• Issued: 11/12/2019
• 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: Kaempf, Karl-Peter
• Primary Examiner(s): Xavier, Antonio
• Application Number:
  US14/905,814
• Publication Number:
  US 20160154485A1
• Time in Patent Office: 1,944 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 positioned along the longitudinal axis, wherein three of the at least three position determination sensors are three-dimensional acceleration sensors, and 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, further comprising an air pressure sensor.

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

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

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

7. The electronic pen according to claim 6, wherein the combination sensor comprises a three-dimensional rotation rate sensor and a three-dimensional acceleration sensor.

8. The electronic pen according to claim 6, 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.

9. The electronic pen according to claim 6, 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.

10. The electronic pen according to claim 6, 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.

11. The electronic pen according to claim 6, wherein the combination sensor is arranged along the longitudinal axis of the electronic pen.

12. The electronic pen according to claim 6, wherein the combination sensor is arranged along an axis parallel to the longitudinal axis.

13. The electronic pen according to claim 6, wherein the combination sensor is arranged along an axis oblique to the longitudinal axis.

14. The electronic pen according to claim 6, wherein the combination sensor is arranged along an axis perpendicular to the longitudinal axis.

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

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

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

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

19. The electronic pen according to claim 1, further comprising a data processor for integration and error correction of the measured and recorded data, wherein the data created by the data processor can be transmitted.

20. 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 control processor configured to cause data to be transmitted, at least one data transfer interface, a longitudinal axis, and at least three position determination sensors positioned along the longitudinal axis, wherein three of the at least three position determination sensors are three-dimensional acceleration sensors, and 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 interface for receiving the data transmitted by the data transfer interface-of the electronic pen;

a data processor for analyzing and processing the received data;

a memory; and

wherein the data processor can perform an integration and error correction processing of the received data, and can transmit the processed data for storing on the memory.