Interactive textiles

Patent metadata

Field	Value
Publication number	US-9588625-B2
Application number	US-201414504061-A
Country	US
Kind code	B2
Filing date	Oct 1, 2014
Priority date	Aug 15, 2014
Publication date	Mar 7, 2017
Grant date	Mar 7, 2017

Abstract

This document describes interactive textiles. An interactive textile includes a grid of conductive thread woven into the interactive textile to form a capacitive touch sensor that is configured to detect touch-input. The interactive textile can process the touch-input to generate touch data that is useable to control various remote devices. For example, the interactive textiles may aid users in controlling volume on a stereo, pausing a movie playing on a television, or selecting a webpage on a desktop computer. Due to the flexibility of textiles, the interactive textile may be easily integrated within flexible objects, such as clothing, handbags, fabric casings, hats, and so forth. In one or more implementations, the interactive textiles may be integrated within various hard objects, such as by injection molding the interactive textile into a plastic cup, a hard casing of a smart phone, and so forth.

First claim

What is claimed is:

1. A flexible object comprising:
an interactive textile integrated within the flexible object, the interactive textile comprising a grid of conductive thread woven into the interactive textile;
a textile controller coupled to the grid of conductive thread, the textile controller configured to:
detect touch-input on the grid of conductive thread by detecting a change in capacitance between crossing conductive threads when an object touches the grid of conductive thread at a position corresponding to the crossing conductive threads; and
process the touch-input to provide touch data usable to control a computing device or an application at the computing device.

2. The flexible object recited in claim 1 , wherein the flexible object is made from a fabric.

3. The flexible object as recited in claim 1 , wherein the conductive thread comprises a conductive wire twisted with a flexible thread.

4. The flexible object as recited in claim 3 , wherein the conductive wire comprises a copper wire, a gold wire, or a silver wire.

5. The flexible object as recited in claim 3 , wherein the flexible thread comprises a cotton thread, a wool thread, a silk thread, a nylon thread, or a polyester thread.

6. The flexible object as recited in claim 3 , wherein the conductive wire is insulated.

7. The flexible object as recited in claim 3 , wherein the interactive textile includes a first textile layer, a second textile layer, and a third textile layer;
the first textile layer comprising first conductive threads of the grid of conductive threads;
the second textile layer comprising second conductive threads of the grid of conductive threads that are positioned substantially orthogonal to the first conductive threads; and
the third textile layer not including conductive threads, and positioned between the first textile layer and the second textile layer to prevent the first conductive threads from making direct contact with the second conductive threads.

8. The flexible object as recited in claim 1 , wherein the grid of conductive thread comprises first conductive threads and second conductive threads positioned substantially orthogonal to the first conductive threads.

9. The flexible object as recited in claim 8 , wherein the textile controller is configured to detect the touch-input by:
charging the first conductive threads and charging the second conductive threads by applying a control signal to both the first conductive threads and the second conductive threads; and
detecting a change in capacitance on a corresponding first conductive thread and a corresponding second conductive thread when the touch-input is received.

10. The flexible object as recited in claim 9 , wherein the textile controller is configured to process the touch-input by:
determining a position of the touch-input as an intersection point between the corresponding first conductive thread and the corresponding second conductive thread on the grid of conductive thread.

11. The flexible object as recited in claim 8 , wherein the textile controller is configured to detect the touch-input by:
charging the first conductive threads by applying a control signal to the first conductive threads to cause the first conductive threads to capacitively couple to the second conductive threads; and
scanning the second conductive threads to detect a change in capacitance on a corresponding second conductive thread when the touch-input is received.

12. The flexible object as recited in claim 11 , wherein the textile controller is configured to process the touch-input by determining a position of the touch-input based on the corresponding second conductive thread on which the change in capacitance is detected.

13. The flexible object as recited in claim 1 , further comprising a network interface configured to communicate the touch data over a network to a gesture manager implemented at the computing device to enable the gesture manager to control the computing device or the application at the computing device based on the touch data.

14. The flexible object as recited in claim 1 , wherein the interactive textile is integrated with an image on the flexible object, and wherein different areas of the image are mapped to different areas of the capacitive touch sensor to enable a user to initiate different controls for the computing device or the application at the computing device by touching the different areas of the image.

15. A system comprising:
a textile comprising conductive threads woven with non-conductive threads, the conductive threads forming a grid of conductive thread in the textile;
a textile controller configured to detect a position of touch-input on the grid of conductive thread by detecting a change in capacitance between crossing conductive threads when an object touches the grid of conductive thread at the position corresponding to the crossing conductive threads; and
a network interface configured to communicate the position of the touch-input over a network to a computing device to control the computing device.

16. The system as recited in claim 15 , further comprising a gesture manager implemented at the computing device, the gesture manager configured to:
receive the position of the touch-input; and
control the computing device, or an application at the computing device, based on the touch input.

17. The system as recited in claim 15 , wherein the textile is attached to an article of clothing or is part of the article of clothing.

18. A method comprising:
detecting touch-input to a grid of conductive thread woven into an interactive textile integrated within a flexible object by detecting a change in capacitance between crossing conductive threads when an object touches the grid of conductive thread at a position corresponding to the crossing conductive threads;
generating touch data based on the touch-input, the touch data comprising the position of the touch-input on the grid of conductive thread; and
communicating the touch data to a computing device to control the computing device or one or more applications at the computing device.

19. The method as recited in claim 18 , wherein the grid of conductive thread comprises first conductive threads and second conductive threads positioned substantially orthogonal to the first conductive threads.

20. The method as recited in claim 18 , wherein the detecting touch-input comprises detecting the touch-input using self-capacitance sensing or using projected capacitance sensing.

Assignees

• Google Inc
• Google Inc

Inventors

• Poupyrev Ivan

Classifications

• D03D1/0088

  Fabrics having an electronic function · CPC title

• G06F3/04883

  for inputting data by handwriting, e.g. gesture or text · CPC title

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title

• D10B2401/18

  including electronic components · CPC title

• A41D1/005 Primary

  with embedded cable or connector · CPC title