touch screen technology
”TOUCH SCREEN TECHNOLOGY”
A seminar report submitted in partial fulfillment of the requirements for the degree of
Bachelor of Engineering by KIRAN M. MALANG
(GR No. 101001 M-28)
Under the guidance of
Prof. Abhay M. Chopde and Prof. Bharat R. Rathi
DEPARTMENT OF ELECTRONICS ENGINEERING
VISHWAKARMA INSTITUTE OF TECHNOLOGY PUNE
2012 - 2013
Bansilal Ramnath Agarwal Charitable Trust’s
VISHWAKARMA INSTITUTE OF TECHNOLOGY, PUNE - 37
( An Autonomous Institute Affiliated to University of Pune
CERTIFICATE
This is to certify that the seminar report entitled ”TOUCH SCREEN TECHNOLOGY” has been submitted in the academic year 2012-13 b
Guide/Supervisor
Head of the Department
Name:
Signature:
Signature:
Internal Examiner
Name:
Signature:
Contents
List of Tables
v
List of Figures
vi
Abstract
vii
1
INTRODUCTION
1
2
HISTORY
2
3
USE OF TOUCH SCREEN OVER KEYPADS
3
4
CAPABILITY
4
4.1
Easy to Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.2
Save Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.3
Speed and Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
5
5
5.1
Touch Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
5.2
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
5.3
6
Main Components for this Technology
Software Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
TYPES OF TOUCH SCREEN TECHNOLOGY
7
6.1
Resistive Touch Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
6.1.1
Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
6.1.2
Working of Resistive Touch Screen Technology . . . . . . . . . . . . .
9
Capacitive Touch Screen . . . . . . . . . . . . . .
A seminar report submitted in partial fulfillment of the requirements for the degree of
Bachelor of Engineering by KIRAN M. MALANG
(GR No. 101001 M-28)
Under the guidance of
Prof. Abhay M. Chopde and Prof. Bharat R. Rathi
DEPARTMENT OF ELECTRONICS ENGINEERING
VISHWAKARMA INSTITUTE OF TECHNOLOGY PUNE
2012 - 2013
Bansilal Ramnath Agarwal Charitable Trust’s
VISHWAKARMA INSTITUTE OF TECHNOLOGY, PUNE - 37
( An Autonomous Institute Affiliated to University of Pune
CERTIFICATE
This is to certify that the seminar report entitled ”TOUCH SCREEN TECHNOLOGY” has been submitted in the academic year 2012-13 b
Guide/Supervisor
Head of the Department
Name:
Signature:
Signature:
Internal Examiner
Name:
Signature:
Contents
List of Tables
v
List of Figures
vi
Abstract
vii
1
INTRODUCTION
1
2
HISTORY
2
3
USE OF TOUCH SCREEN OVER KEYPADS
3
4
CAPABILITY
4
4.1
Easy to Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.2
Save Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.3
Speed and Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
5
5
5.1
Touch Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
5.2
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
5.3
6
Main Components for this Technology
Software Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
TYPES OF TOUCH SCREEN TECHNOLOGY
7
6.1
Resistive Touch Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
6.1.1
Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
6.1.2
Working of Resistive Touch Screen Technology . . . . . . . . . . . . .
9
Capacitive Touch Screen . . . . . . . . . . . . . .
Bibliography: [1] Rick Downs: Using resistive touch screens for human/machine interface [2] Kearney, Paul. ”The PDA ChallengeMet by the AD7873 Resistive-Touch-Screen. [3] Google, Wikipedia. [4] www.touchscreen.com 28