MULTIPOINT TOUCHSCREEN
First Claim
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1. A computer readable medium including at least computer code executable by a computer, the computer code comprising:
- receiving multiple touches on the surface of a transparent touch screen at the same time;
separately recognizing each of the multiple touches; and
reporting touch data based on the recognized multiple touches.
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Abstract
A touch panel having a transparent capacitive sensing medium configured to detect multiple touches or near touches that occur at the same time and at distinct locations in the plane of the touch panel and to produce distinct signals representative of the location of the touches on the plane of the touch panel for each of the multiple touches is disclosed.
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Citations
2 Claims
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1. A computer readable medium including at least computer code executable by a computer, the computer code comprising:
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receiving multiple touches on the surface of a transparent touch screen at the same time;
separately recognizing each of the multiple touches; andreporting touch data based on the recognized multiple touches.
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2. A computer system comprising:
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a processor configured to execute instructions and to carry out operations associated with the computer system; a display device that is operatively coupled to the processor; a touch screen that is operatively coupled to the processor, the touch screen being a substantially transparent panel that is positioned in front of the display, the touch screen being configured to track multiple objects, which rest on, tap on or move across the touch screen at the same time, the touch screen including a capacitive sensing device that is divided into several independent and spatially distinct sensing points that are positioned throughout the plane of the touch screen, each sensing point being capable of generating a signal at the same time, the touch screen also including a sensing circuit that acquires data from the sensing device and that supplies the acquired data to the processor.
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Specification