Samsung NX3000 Canon PowerShot G7 X Nikon Coolpix S6900 Panasonic Lumix ZS40 Canon PowerShot SX700 Sony CyberShot HX400V
Samsung NX3000 Canon PowerShot G7 X Nikon Coolpix S6900 Panasonic Lumix ZS40 Canon PowerShot SX700 Sony CyberShot HX400V
  News Headlines Apple Canon Casio Fujifilm HTC LG Nikon Nokia Olympus Panasonic Pentax Ricoh Rollei Samsung Sony  
Lets Go Digital
 
     
Powered by True
Counted by OneStat.com
Smartphone touchscreen test
Ilse Jurriën : January 11th 2010 - 19:10 CET
Digital Camera Review Test Appareil Photo Numerique Prueba camara digital Digitale Camera Test Dijital Kamera Incelemeleri Digitalkamera Test Digitalkamera
NewsSmartphone touchscreen performance test : MOTO Development Group unveils a video and photographs of a smartphone touchscreen performance test between the Google Nexus One, the Apple iPhone, the Motorola Droid, and the HTC Verizon Droid Eris. MOTO Development Group created the simple technique so that anyone can evaluate the resolution and accuracy of touchscreen devices before they buy. To conduct the smartphone touchscreen test, consumers open a basic drawing program and draw a few diagonal lines drawn across the screen.

Smartphone Touchscreen touch

Smartphone touchscreen test - Draw slowly
On a quality touchscreen, people can draw clean straight lines, even while going very slowly. The image that appears on screen accurately represents the slowly drawn lines. However, on inferior touchscreens, it’s basically impossible to draw straight lines. Instead, the lines look jagged, stair-stepped or zig-zag, no matter how slowly you go. The inferior image results from the sensor size is too big, the touch-sampling rate is too low, and/or the algorithms that convert gestures into images are too non-linear to faithfully represent user inputs.


Pressure of a smartphone touchscreen
A good touchscreen device will produce linear output regardless of whether you're using the full pad of your finger, or just the edge. If you want to test the most extreme performance, draw very lightly with the edge of your finger. The artifacts will increase significantly, showing which device is really the best with a weak signal. Even on a single device, the amount of pressure and the part of the finger you use on the screen has an impact on how well it senses. This is important because quick keyboard use and light flicks on the screen really push the limits of the touch panel's ability to sense. A good touchscreen device will produce linear output regardless of whether you're using the full pad of your finger, or just the dry corner of your cuticle. When comparing devices, make sure to use even pressure across all of them. Small differences in touchscreen sensitivity actually reveal exponential difference in performance. Less sensitive touchscreen systems are infuriating to use for typing.

Touchscreen touch

iPhone offers the best smartphone touchscreen
And the Winner Is… The Apple iPhone! The iPhone’s touch sensor showed the most linear tracking with the least amount of stair-stepping. The HTC Droid Eris and Google Nexus One tied for second with only faint wiggling - but actually performed best at the edge of the screen. Last in the line-up was the Motorola Droid, which demonstrated significant wavy artifacts or “stair-stepping.”

Touchscreen

Smartphone touchscreen sensor
To create a superior touchscreen experience, the key is to develop a touchscreen sensor that has the highest possible signal-to-noise ratio, or SNR. When a manufacturer gets it right, the device tracks touch inputs almost as if they were connected to physical objects in the real world. Key drivers of SNR include:
• Conductive sensor material
• Substrate material
• Substrate thickness
• Distance from display (the biggest noise source)
• Sensing waveform
• Sensor pattern
• Sensor pitch
• Analog sensing circuitry
• Sample rate
   Apple iPhone 3Gs
   Google Nexus One
   HTC Droid Eris
   Next  Professional pocket projector
   Previous  Dual screen Reader
   News by brand:News
   News by category:Mobile Imaging
   News by brand and category:News Mobile Imaging
   Canon EOS 700D - $462.00
   Nikon D7100 - $599.00
   Sony Alpha 6000 - $448.00
   Nikon D5300 - $619.01
   Canon EOS 70D - $695.00
   Sony CyberShot DSC RX100 III - $629.00
   Canon PowerShot G1 X Mark II - $549.95
   Samsung NX300 - $549.00
   Panasonic Lumix DMC LX7 - $299.00
   Nikon D3300 - $359.00


LetsGoDigital digital camera magazine
Latest News announcements
Waterproof Bluetooth portable speaker
Analog watches with built-in activity tracker
Augmented Reality Smart Glasses System
Rugged phone cases for new iPhone 6
4K UHD video streaming service
iBudy a kids smartphone
Best Black Friday computer deals
Thanksgiving & Black Friday software offer
Forecast for Holiday Consumer Electronics purchases
Android Auto Connected Cars
3D Social Network app for smartphones
Oppo R5 smartphone
Luxury smartphone from Gresso
Oppo N3 smartphone
iPhone 6 release date
 
Twitter LetsGoDigital
Latest news headlines
Pentax K-3 II
4K Video recording with the Nikon 1 J5
Sony 4k Handycam camcorder
Sony high zoom compact cameras
Olympus Tough TG-4 accessories
Olympus Stylus Tough TG-4
Olympus Stylus 1s
Nikon 1 J5
Nikon 1 J5 system camera
Samsung Galaxy S6 edge accessories
BlackBerry Leap smartphone for 4G LTE networks
Microsoft Lumia 430 Dual SIM
Microsoft Lumia 640 XL
Microsoft Lumia 640
Olympus Stylus SH-2
   
CanonCasioFujifilmNikonOlympusHTCSamsungSonyPanasonicNokia
  Accessories Android Apps Camcorders Digital cameras Mobile phones Smartphones Software Tablets   CES CeBIT Gadgets IFA Photokina PMA