Touch screen method for recognizing a finger-flick touch gesture

• US 8,743,068 B2
• Filed: 07/13/2012
• Issued: 06/03/2014
• Est. Priority Date: 05/15/1998
• Status: Expired due to Fees

• Current Assignee: Advanced Touchscreen and Gesture Technologies, LLC
• Original Assignee: Lester F. Ludwig
• Inventors: Ludwig, Lester F.
• Primary Examiner(s): PATEL, PREMAL R
• Application Number:
  US13/549,285
• Publication Number:
  US 20120280928A1
• Time in Patent Office: 690 Days
• Field of Search: 345173-176, 178 1801- 1903, 382/124, 382/126
• US Class Current: 345/173
• CPC Class Codes: G06F 3/005 Input arrangements through a video camera
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/04847 Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: G10H 1/00 Details of electrophonic musical instruments
• CPC Class Codes: G10H 1/0058 Transmission between separate instruments or between individual components of a musical system G10H1/0083 takes precedence
• CPC Class Codes: G10H 1/0066 using a MIDI interface
• CPC Class Codes: G10H 1/348 Switches actuated by parts of the body other than fingers
• CPC Class Codes: G10H 1/46 Volume control
• CPC Class Codes: G10H 2220/521 Hall effect transducers or similar magnetic field sensing semiconductor devices, e.g. for string vibration sensing or key movement sensing
• CPC Class Codes: G10H 2220/525 Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage
• CPC Class Codes: G10H 2230/095 Spint zither, i.e. mimicking any neckless stringed instrument in which the strings do not extend beyond the sounding board
• CPC Class Codes: G10H 2230/101 Spint koto, i.e. mimicking any traditional asian-style plucked zither with movable bridges
• CPC Class Codes: G10H 2230/115 Spint sitar, i.e. mimicking any long-necked plucked string instrument with a large number of additional non-playable sympathetic resonating strings or an additional gourd-like resonating chamber
• CPC Class Codes: G10H 2230/145 Spint guitar keyboard, i.e. mimicking a combination of a guitar-like instrument, with or without strings, and a piano-like keyboard, e.g. with white and black keys arranged like on a piano
• CPC Class Codes: G10H 2230/271 Spint gong, i.e. mimicking circular flat, nippled or bowl-shaped metallic percussion instruments G10H2230/321 takes precedence
• CPC Class Codes: G10H 3/18 using a string, e.g. electric guitar mechanical features G10D1/085
• CPC Class Codes: G10H 3/26 : using electric feedback
• CPC Class Codes: Y10S 84/10 : Feedback

Abstract

A touch screen method for recognizing a finger-flick touch gesture for an electronic device including a overlaying a plurality of transparent sensors on top of a visual display associated with the electronic device and where the transparent sensors are configured to be responsive to touch by at least one user finger and the visual display is for rendering visual information provided by the electronic device is disclosed. Control parameters associated with sensor measurements include parameter derived from recognizing a finger-flick touch gesture.

Claims

1. A computer-implemented method of implementing a touch screen of an electronic device, the method comprising:

facilitating communication between a processor and a plurality of transparent sensors overlaid on top of a visual display that is associated with the electronic device to form the touch screen, each transparent sensor configured to be responsive to touch by at least one user finger, and the visual display for rendering visual information provided by the electronic device;

associating control parameters with sensor measurements sensed by the plurality of transparent sensors; and

assigning the control parameters to specific control signals to allow user interaction with the electronic device by touching the touch screen, the touching producing the sensor measurements by the plurality of transparent sensors;

wherein the control parameters include parameters derived from recognizing a finger-flick touch gesture, the finger-flick touch gesture recognized from a sequence of postures with specific dynamic variations among them, the sequence of postures being recognized from pressure profiles.

2. The computer-implemented method of claim 1, further comprising:

recognizing a plurality of patterns of touch; and

deriving control parameters from the recognized plurality of patterns of touch.

3. The computer-implemented method of claim 2, wherein the recognizing the plurality of patterns of touch comprises recognizing the touching of the touch screen by a single finger positionable with at least four degrees of freedom with respect to the touch screen, and recognizing each of the at least four degrees of freedom of the single finger with respect to the touch screen.

4. The computer-implemented method of claim 1 wherein the recognizing the at least one gesture comprises recognizing a contact with one finger and tap of an additional finger.

5. The computer-implemented method of claim 1 wherein the recognizing the at least one gesture comprises recognizing simultaneous movement of two fingers.

6. The computer-implemented method of claim 1, wherein the recognizing the plurality of patterns of touch comprises recognizing the touching of the touch screen by a single finger positionable with at least five degrees of freedom with respect to the touch screen, and recognizing each of the at least five degrees of freedom of the single finger with respect to the touch screen.

7. The computer-implemented method of claim 1, wherein the recognizing the plurality of patterns of touch comprises recognizing the touching of the touch screen by a single finger positionable with at least six degrees of freedom with respect to the touch screen, and recognizing each of the at least six degrees of freedom of the single finger with respect to the touch screen.

8. The computer-implemented method of claim 1, further comprising defining at least one contiguous region comprising associated pixel addresses based on values of the sensor measurements that exceed a threshold value.

9. The computer-implemented method of claim 8, further comprising classifying the at least one defined contiguous region based on values of the sensor measurements that exceed the threshold value.

10. The computer-implemented method of claim 8 wherein the control parameters are derived based on the at least one defined contiguous region.

11. The computer-implemented method of claim 1 further comprising defining a plurality of contiguous regions comprising associated pixel addresses:

and

deriving the control parameters for each of the plurality of contiguous regions having sensed measurements with values that exceed a threshold value.

12. The computer-implemented method of claim 1, further comprising controlling a software application running on the electronic device based on the touching.

13. The computer-implemented method of claim 1, further comprising controlling an operation of the electronic device based on the touching.

14. The computer-implemented method of claim 1, further comprising adjusting the operation for at least one particular user hand.

15. The computer-implemented method of claim 1, wherein the visual display is an LCD display.

16. The computer-implemented method of claim 1, wherein the sensor measurements comprise spatial location of the user finger from values of the plurality of transparent sensors exceeding a threshold value,

and

wherein at least one control parameter comprises a rate of variation in spatial location of the finger, the rate of variation derived from the sensor measurements sensed by the plurality of transparent sensors.

17. The computer-implemented method of claim 1, wherein the sequence of postures is recognized from the pressure profiles using pattern recognition.

18. The computer-implemented method of claim 1, wherein the pressure profiles comprise pressure profiles of the user'"'"'s finger on the touch screen.

19. A computer-implemented method of implementing a touch screen of an electronic device, the method comprising:

facilitating communication between a processor and a plurality of transparent sensors overlaid on top of a visual display that is associated with the electronic device to form the touch screen, each transparent sensor configured to be responsive to touch by at least one user finger, and the visual display for rendering visual information provided by the electronic device;

associating control parameters with sensor measurements sensed by the plurality of transparent sensors, wherein the control parameters include parameters derived from recognizing a finger-flick touch gesture, the finger-flick touch gesture recognized from a sequence of postures with specific dynamic variations among them, the sequence of postures being recognized from pressure profiles.

20. The computer-implemented method of claim 19, wherein the sensor measurements comprise spatial location of the user finger from values of the plurality of transparent sensors exceeding a threshold value, and

wherein at least one control parameter comprises a rate of variation in spatial location of the finger based on the sensor measurements sensed by the plurality of transparent sensors.

21. The computer-implemented method of claim 19, wherein the sequence of postures is recognized from the pressure profiles using pattern recognition.

22. The computer-implemented method of claim 19, wherein the pressure profiles comprise pressure profiles of the user'"'"'s finger on the touch screen.

23. A computer-implemented method of implementing a touch screen of an electronic device, the method comprising:

facilitating communication between a processor and a plurality of transparent sensors overlaid on top of a visual display that is associated with the electronic device to form the touch screen, each transparent sensor configured to be responsive to touch by at least one user finger, and the visual display for rendering visual information provided by the electronic device;

deriving control parameters from sensor measurements sensed by the plurality of transparent sensors;

providing one or more dynamically assigned labels for display by the visual display to label one or more areas of the plurality of transparent sensors;

assigning the control parameters to specific control signals to allow user interaction with the electronic device by touching the touch screen over the labeled one or more areas of the plurality of transparent sensors indicated by the one or more dynamically assigned labels comprising at least one graphical underlay that is displayed by the visual display, the touching producing the sensor measurements by the plurality of transparent sensors; and

wherein the sensor measurements comprise spatial location of the user finger from values of the plurality of transparent sensors exceeding a threshold value,

wherein at least one control parameter is derived from recognizing a finger-flick touch gesture, the finger-flick touch gesture recognized from a sequence of postures with specific dynamic variations among them, the sequence of postures being recognized from pressure profiles, and

wherein at least one control parameter comprises a rate of variation in spatial location of the finger as moved in the dynamics of the gesture, the rate of variation derived from the sensor measurements sensed by the plurality of transparent sensors.

24. The computer-implemented method of claim 23, wherein the sequence of postures is recognized from the pressure profiles using pattern recognition.

25. The computer-implemented method of claim 23, wherein the pressure profiles comprise pressure profiles of the user'"'"'s finger on the touch screen.