Apple iPhone3Gs Multi touch Technology

Written by:Md Sirajul Islam

10th January 2010

Under Category:Reviews and Tips of Apple iPhone3Gs

Apple iphone 3GS,With its great multi-touch trademark

      The multi-touch display of  latest Apple iPhone3Gs mobile phone is a state of the art . Normal touch screen requires single touch to operate and to touch a pen like device is used . Touching with fingers creates some problems like oily,dirty screen .
    But this new multi-touch display can recognize multi touch ,and fingers can be used . It is said that every thing with iPhone3Gs can be done easily with touch of fingers , thus no need of traditional button interface.
       Multi-touch display of This iPhone does not need any

Read Details In A New Window

Read Details In Same Window

Some features of iPhone3G Multi-touch display:

Screen Size and Resolution-

 The screen is a 9cm or 3.5 inches LCD(Liquid Crystals Display).Screen resolution is 320by 480 PX,at 6.3px/mm,at160ppi Hvga.It uses 18 bit colour ,can render  262,144 colours.
This all specifications shows the extraordinary usability of this display to watch video,images,edit image or video.That means a far greater experience with this display.

Use bare finger,No chance of oily spot:

  The disadvantage of  touch screen display is that when you touch with bare fingers,there are oily spots of finger prints on the screen and in time the display looks messy and got damaged when oily substances mixed with darts.Its hard to clean up.
  The iPhone3Gs display has a unique finger print resistant   oleophoebic.coating.So no chance of oily spots on the screen.

During call,device near the face or ear Touch screen disables

During a call when you draw the device near to your face or ear,an intelligent proximity sensor sense this and disables the touch screen to avoid unwanted functions.

What Can You Do with multi-touch display:

Tap or touch any application to open it-

 You can open any application by touching the specific icon on the display.This way ,you can start a music player or video player,navigate through folders ,just can do everything.
  By pressing the home button below on the screen,you can return to the home screen from any applications.

Zoom in-Photo,Document,Web pages

  Do as shown in the picture to to zoom in any document like photo,web pages,maps.
 Also you can do double-tap(tap quickly twice) to zoom in and again double -tap to zoom out.

Zoom out any document:

Zoom out document as shown in the picture.
 Also zoom out can be done by double-tapping.

Back button-Cool navigation

 The back button in upper left corner Shows the previous list.Tap it to go back to the previous list.

Scrolling is never been easier

Up-Down scroll

Flick or drag up or down to scroll.
 When you do flick or drag nothing will be selected or activated,just scrolling will occur.

Scroll side by side(good for web page viewing)

 Move your finger horizontally on the screen to scroll side by side.
This option is good for webpage viewing and also to read large documents.

Scroll quickly

  Flick to scroll quickly.
  When your desired menu appears flick to stop scrolling immediately.
Tapping or touching to scroll or stop scrolling does not select or activate anything.

Browse through Index menu