69th Edition
No. 069
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Wednesday, 25th Apr 2012
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Is the above Work Value important to YOU ? Texture Capacitive C iti Bezel Touch Sensor
>> REFER TO T1~T2
Published by SOEM Design TSUNAGU , Tel :04-3836857
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Wed 25th April 2012
The SOEM DESIGN STAR
Technical T1
Internal Use Only
Capacitive Touch Sensor In BD Player Pla er
Introduction
Today, in the world of globalization, Mechanical Tactile Switch have evolved and started to change to more advance technology which is Capacitive Touch Sensor. C S Capacitive T iti Touch S h Sensor currently is widely use in consumer product such as MP3 Player, mobile phone and other portable devises. More and more, this technology is utilized in further application fields such as household appliances as well as automotive and industrial application. As part of the top consumer product, Sony BD Player is not lack behind and implemented Capacitive Touch Sensor technology in their latest, high end model BDP-S790.
By Koh Hong Lee honglee.koh@ap.sony.com Electrical Design 2 Dept, Design Div, D i 1 Di Video Design Sector
Photo
Basic Principle
The simplest form of a capacitor consists of two conductor and separated by an insulator. The following formula shows the parameter which influence capacitance. i fl it
How Capacitive Touch