METHOD FOR DETECTING ONE OR MORE CONDUCTIVE AREAS

• US 20140125614A1
• Filed: 04/05/2012
• Published: 05/08/2014
• Est. Priority Date: 04/05/2011
• Status: Abandoned Application

• Current Assignee: Touchpac Holdings LLC
• Original Assignee: Printechnologics GmbH
• Inventors: Foerster, Matthias, Koepcke, Johannes
• Application Number:
  US14/110,146
• Publication Number:
  US 20140125614A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 3/0393 Accessories for touch pads or touch screens, e.g. mechanical guides added to touch screens for drawing straight lines, hard keys overlaying touch screens or touch pads
• CPC Class Codes: G06F 3/0416 Control or interface arrangements specially adapted for digitisers
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer

Abstract

The invention relates to a method for detecting one or more conductive areas of an information carrier by means of a touch screen.

Claims

1. A method for detecting one or more electrically conductive areas of one or more information carriers comprising:

a. bringing, at least in some areas, the conductive areas of a first surface of one or more information carriers into contact with a second surface of a touch screen,

b. initiating one or more touch events by bringing the conductive areas into contact with the second surface in accordance with (a), and

c. determining positions, orientations and/or extensions of the touch events,

wherein the conductive areas are connected to one another via electrically conductive conductor structures and the conductor structures and the conductive areas lie in the first surface parallel to the second surface of the touch screen.

3. The method as claimed in claim 1, wherein the positions, orientations and/or extensions of the touch events are combined to form a set.

4. The method as claimed in claim 3, wherein a point cloud is formed from the positions, orientations and/or extensions of the touch events in relation to one another.

7. The method as claimed in claim 1, wherein the touch events are determined via a device driver, OS API and/or software API.

8. The method as claimed in claim 1, wherein the touch events are determined via software in a software API.

9. The method as claimed in claim 1, wherein the touch events are determined by via software in an OS API.

10. The method as claimed in claim 1, wherein the touch events are determined via software by a device driver.

11. The method as claimed in claim 1, wherein the conductive areas are detected in less than 30 seconds.

12. The method as claimed in claim 1, wherein the initiated touch events providing information comprising X-position, Y-position, width, height, extension, elliptical extension, diameter, pressure and/or angle is combined and the information carrier is coded, corrected and/or characterized via said combined information.

13. The method as claimed in claim 1, wherein the electrically conductive areas are substantially flat and a layer thickness of the electrically conductive areas and of the electrically conductive conductor structures is less than 100 μ

m.

14. The method as claimed in claim 1, wherein the electrically conductive areas and the electrically conductive conductor structures have an electrical surface resistivity of less than 1000 ohms/square.

15. The method as claimed in claim 1, wherein the information carrier is manufactured by an additive, subtractive and/or semi-additive method, particularly preferably a printing method, and especially preferably a cold film transfer method.

16. The method as claimed in claim 1, wherein the device which contains the touch screen is selected from the group comprising smart phones, cell phones, displays, tablet PCs, tablet notebooks, touchpad devices, graphics tablets, televisions, PDAs, mobile music play-back devices and input devices.

17. The method as claimed in claim 1, wherein the arrangement of the conductive areas is assigned to a data record in an information-processing system.

18. The method as claimed in claim 7, wherein the arrangement of the conductive areas alone and/or in combination with information in the OS API initiates actions in an information-processing system.

19. The method of claim 11, wherein the conductive areas are detected in less than 10 seconds or less than 1 second.

20. The method of claim 13, wherein the layer thickness of the electrically conductive areas and of the electrically conductive conductor structures is less than 20 μ

m or less than 1 μ

m.

21. The method of claim 14, wherein the electrical surface resistivity is less than 300 ohms/square or less than 50 ohms/square.

2. A method for detecting one or more electrically conductive areas of one or more information carriers comprising:

a. bringing, at least in some areas, the conductive areas of a first surface of one or more information carriers into contact with a second surface of a touch screen,

b. detecting the electrically conductive areas and conductor structures via the touch screen and manipulating electrical variables of the touch screen via the conductive areas and conductor structures of the information carrier,

c. evaluation of raw data, RAW view and/or a matrix with levels from the elicited manipulation, wherein the conductive areas are connected to one another via the electrically conductive conductor structures and the conductor structures and the conductive areas lie in a first surface parallel to the second surface of the touch screen.

5. The method as claimed in claim 2, wherein one or more frequency polygons are formed from the positions, orientations and/or extensions of the touch events.

6. The method as claimed in claim 2, wherein the one or more frequency polygons, the set of touch events or the point cloud are assigned to a data record in an information-processing system.