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We make an intuitive, ambidextrous chording Human Machine Interface HMI for Human Computer Interaction HCI
using a chordic Graphic User Interface GUI, suited to wearable and handheld, onehanded mobile computing devices.

A CGUI tutorial
Screenshots
JavaScript
Shockwave
Java
 

Overview
You can use the Kord® Interface Technology in your browser instantly without any special hardware, no downloads required. These demonstrations use your right hand on the Space J K L ; keys as shown below. By pressing combinations of these keys together you can form chords (like a piano).


right hand on keyboard showing finger position for chordingThe basic principle of Kord® IT is "what you see is what you press". handprintSpecial hand symbols (glyphs) show you which fingers to press for example the adjacent graphic right handprint means press and release all but your index (first) finger. Similarly a text style symbol like this \||.. would mean press and release your thumb, index (first) and middle fingers. A mistake can usually be cancelled by pressing the whole hand.

You don't have to form the chords quickly as they only activate when you release of all your fingers. For a more detailed explanation have a look at the tutorial. Due to its keyboard design chords probably won't work if you have an Apple™ computer.


WAP 
Try out Kord® IT on WAP enabled devices, the WetPC WAP site has some fun stuff - over a thousand one-line jokes from our joke server! A decision making tool for when there is no one around to advise you, and Famous Last Words. Plus the entire site has a 3 bit chordic interface! Of course you probably don't have a chordic keyboard on your WAP mobile/cell phone, but you can see how it looks. Shown here is a screenshot from a Nokia 7110.

Screenshot of  a 3 bit chordc  GUI embedded in a WAP phone

How it works - beside the Toys link there is a symbol showing which of three buttons to press on the chordic input device, the \| means press and release two together first and \ means press one button next, this forms a couplet. The symbol would \|/ mean press all three buttons, similarly .|. would mean only the middle button. It's basically a very simple set of symbols that maps to the chord buttons. There are 49 couplets available more than enough for most WAP pages. This interface uses basic text for the symbols, however it is possible to use custom graphics as well.

Features - compact, easily operated with either hand, unaffected by movement, can be operated eyes-free and you can even use links that are off-screen!

To get the feel of it try this quick loading Shockwave Kord® Phone hardware previewer it uses the Space JK keys on your keyboard. Another experimental 3 bit chordic interface demonstrator, a handheld device simulated in JavaScript is available

Point your WAP browser to - http://wetpc.com.au/w  
(if you visit this WAP site with a HTML based WAP emulator the Toys pages use WMLScript and may not display properly)


Java 
Try out Kord® IT in any Java capable browser (yes, even Linux!).
Have a look at a simple experimental handheld demo.



JavaScript 

 

A hand holding the 3 bit Vui-Dui device

The Vui-Dui

An experimental 3 button chordic interface demonstrator.
A handheld device simulated in JavaScript



Shockwave 
These demonstrations use the Shockwave plug-in, you can change the settings for foreign keyboards left hands with the Keyboard Setup, the settings then apply to all the demonstrations. Have a look at the Tutorial first.

Keyboard Setup  25Kb use this if you want to change the standard SPACE JKL; settings

Simple Tutorial  20Kb   learn how it works first

Kord® Phone  42Kb   a Kord® IT mobile/cell phone concept demonstrator

FlatChat Beta   75Kb Kord® IT chat, SpeedWords/Phrases, on-line Rogerian psychotherapist and 1000+ joke database!

 Get Shockwave

 

Screenshots 
Have a look at some quick loading screenshots of Kord® IT in action.

 

Privacy disclosure 
Some of the chordic demonstrations collect anonymous biometric data about which chords you pressed and how long you took. This information is for internal use by WetPC P/L and is aggregated into data tables that have no correlation to individuals.
WetPC P/L never discloses personal information to third parties without permission.


Glossary  Contact us © 1997-2005 WetPC Pty Ltd   Altered June 27, 2005