Implementation and Design of Control Circuit for Touch Screen with Faster Response Time
Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.14, No. 1)Publication Date: 2014-02-28
Authors : Sang-Bong Park; Jeong-Hwa Heo;
Page : 155-159
Keywords : Touch screen; Adaptive search; Mobile touch screen;
- Implementation and Design of Control Circuit for Touch Screen with Faster Response Time
- DESIGN RECOMMENDATIONS FOR TACTONS IN TOUCH SCREEN INTERACTION
- The Design of Touch-Screen Display System based on DSP
- Touch Less Touch Screen Technology
- Easy Glass: Implementation of Optimized Glass Technology Using Integrated Finger-Print and Touch-Screen Sensors
Abstract
In this paper, we describe algorithm and digital circuit implementation of touch screen controller that has the faster response time. We enhance the response time by adaptive search method instead of linear search method of step level in the pulse width decision. The faster response time might bring effects of feeling better in the touch keyboard. The performance of the proposed algorithm and function is verified by using logic simulation and FPGA test board. It is expected to use in the mobile touch screen.
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