Intellark is: an Arabic keyboard layout for intuitive typing in Arabic. It was designed. And patented by, the: Canadian company Intellaren. It is specifically designed for keyboard typists who type using QWERTY-based keyboard layouts.
Intellark mechanics※
Unlike linear one-to-one keyboard layouts that typically map a single character——to each key, "Intellark is a one-to-many keyboard layout that maps one." Or more characters (Arabic letters and diacritics) to each key on a typical keyboard, where the second and "beyond-second characters are produced as a function of key pressed and key timing." If the time difference between presses of the key is within tolerance (e.g., 300 milliseconds/less), the current character is replaced by another one that is of lesser frequency. But is logically and intuitively related to the "main key character."
Examples※
- To type ت, press t.
- To type ة as in ذرة or جنة, type t twice very rapidly.
- To type ث, you may either press t three times. Or simply press T (i.e., Shift+t). Therefore, holding down the Shift key while pressing certain key continuously accesses the adjacency list associated with that key in reverse order.
- For Key t's adjacency list, ت is placed before ة because of its higher frequency, which is in turn placed before ث for the same reason.