DETECTING FINGER ORIENTATION ON A TOUCH-SENSITIVE DEVICE
First Claim
1. A computing device, comprising:
- a display screen configured to display an image to a user;
an intensity-sensitive touch-sensing input mechanism configured to acquire an array of touch intensity data and to detect one or more objects touching the display screen from the array of touch intensity data; and
a controller comprising a processor and memory containing instructions executable by the processor to determine an orientation of a finger touching the display screen from a direction between a center a first region of touch data of a higher intensity and a center of a second region of touch data of a lower intensity, and to adjust an image on the display screen in response to a determined orientation of the finger touching the display screen.
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Accused Products
Abstract
The determination of an orientation of a finger touching a touch-sensitive device is disclosed. In one embodiment, a computing device comprises a display screen configured to display an image to a user, and an intensity-sensitive touch-sensing input mechanism configured to detect one or more objects touching the display screen. The device also comprises a controller configured to determine an orientation of a finger touching the screen from a direction between a center of a first set of touch data and a center of a second set of touch data, and to adjust an image on the display screen in response to a determined orientation of the finger.
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Citations
20 Claims
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1. A computing device, comprising:
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a display screen configured to display an image to a user; an intensity-sensitive touch-sensing input mechanism configured to acquire an array of touch intensity data and to detect one or more objects touching the display screen from the array of touch intensity data; and a controller comprising a processor and memory containing instructions executable by the processor to determine an orientation of a finger touching the display screen from a direction between a center a first region of touch data of a higher intensity and a center of a second region of touch data of a lower intensity, and to adjust an image on the display screen in response to a determined orientation of the finger touching the display screen. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computing device, comprising:
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a display screen; a touch-sensitive input configured to acquire an array of touch intensity data and to detect one or more fingers touching the display screen from the touch intensity data; and a controller comprising a processor and memory containing instructions executable by the processor to determine an orientation of each finger detected on the screen by detecting a first region of touch data in which substantially all pixels have intensities that exceed a threshold intensity, detecting a second region of touch data that surrounds the first region of touch data, calculating a center of the first region of touch data, calculating a center of the second region of touch data, and determining a direction between the center of the first region of touch data and the center of the second region of touch data. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. In a computing device comprising a touch-sensitive input, a method of determining an orientation of a finger touching the touch-sensitive input, the method comprising:
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acquiring a two-dimensional array of touch data from the input device; determining a first region of touch data in the array in which an intensity of substantially each pixel has an intensity that exceeds a threshold intensity; determining a second region of touch data that at least partially surrounds the first region of touch data; calculating a weighted center of intensity of the first region of touch data; calculating a weighted center of intensity of the second region of touch data; determining a direction between the weighted center of intensity of the second region of touch data and the weighted center of intensity of the first region of touch data; and displaying an image on the touch-sensitive device based upon the direction. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification