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Concurrent Driving Method with Fast Scan Rate for Large Mutual Capacitance Touch Screens
Joint Authors
Mohamed, Mohamed Gamal Ahmed
Kim, HyungWon
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-07-08
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
A novel touch screen control technique is introduced, which scans each frame in two steps of concurrent multichannel driving and differential sensing.
The proposed technique substantially increases the scan rate and reduces the ambient noise effectively.
It is also extended to a multichip architecture to support excessively large touch screens with great scan rate improvement.
The proposed method has been implemented using 0.18 μm CMOS TowerJazz process and tested with FPGA and AFE board connecting a 23-inch touch screen.
Experimental results show a scan rate improvement of up to 23.8 times and an SNR improvement of 24.6 dB over the conventional method.
American Psychological Association (APA)
Mohamed, Mohamed Gamal Ahmed& Kim, HyungWon. 2015. Concurrent Driving Method with Fast Scan Rate for Large Mutual Capacitance Touch Screens. Journal of Sensors،Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1070194
Modern Language Association (MLA)
Mohamed, Mohamed Gamal Ahmed& Kim, HyungWon. Concurrent Driving Method with Fast Scan Rate for Large Mutual Capacitance Touch Screens. Journal of Sensors No. 2015 (2015), pp.1-10.
https://search.emarefa.net/detail/BIM-1070194
American Medical Association (AMA)
Mohamed, Mohamed Gamal Ahmed& Kim, HyungWon. Concurrent Driving Method with Fast Scan Rate for Large Mutual Capacitance Touch Screens. Journal of Sensors. 2015. Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1070194
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1070194