Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1995-02-08
1997-04-29
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345158, G09G 508
Patent
active
056253800
ABSTRACT:
In systems, such as graphic screens where activation of functions takes place by means of initiation signals, a certain period of time normally elapses from the initiation signal to the implementation of the given function. By providing an indication of the span of time from the moment when the initiation signal is applied and until it actually activates the function, a user-friendly function activation can be established in an easy and clear manner, the user having constant control of the amount of time left until the function is activated. Additionally, the user may either provide a regret signal in the time between the function activation and the initiation signal, or provide an accelerated function activation. This time is variable, so that it can be adapted to various users, such as handicapped, experienced or unexpedienced users. The indicator is usually designed as a graphic picture, e.g. in the form of an eye which slowly closes form the moment an initiation signal is applied and until the function is actually performed. In the event that the user regrets, the eye instantaneously opens completely, while the user, e.g. by a rapid blink of the eye, can activate the function instantaneously. The system may be used in connection with keyboards having pushbutton keys, with mouse activation and with various techniques using eye movement recording.
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"What you look at is what you get," IEEE Computer Society, Jul. 1993, Robert J. K. Jacob, pp. 65-66.
"Computers that sense eye position on the display," IEEE Computer Society, Thomas E. Hutchinson, Jul. 1993, pp. 65 and 67.
Hansen John Paulin
Hjerpe Richard
Liang Regina
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