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Elevator Pushbuttons Disclosure Number: IPCOM000114982D
Original Publication Date: 1995-Feb-01
Included in the Prior Art Database: 2005-Mar-30
Document File: 2 page(s) / 39K

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Pushbuttons are commonly used controls in graphical user interfaces.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 96% of the total text.

Elevator Pushbuttons

      Pushbuttons are commonly used controls in graphical user

      When the user presses a pushbutton, some action is performed.
If the operation does not complete immediately, there is a feedback
problem.  The pushbutton returns immediately to the normal position
after being pressed and provides no indication whether the action has
been completed.  Programmers sometimes change the mouse pointer to an
hourglass to provide the user with feedback that the operation is
under way, but this interferes with performing other actions.  In a
multi-threaded operating system, the task the user initiated may be
able to run in the background while the user continues to use other
parts of the interface.

      The present invention is an "elevator pushbutton" with feedback
to indicate when an operation is in progress and when it has
completed.  When the user presses an elevator pushbutton, it
highlights by changing color or intensity to indicate that an action
is in progress.  When the action completes, the button returns to its
normal appearance.  This is similar to the buttons used for selecting
floors in an elevator.  Pressing the button for a particular floor
causes the button to light up indicating that the request has been
accepted.  When the elevator reaches the requested floor, the light
turns off.  The Figure below shows a set of three elevator
pushbuttons with the top one selected.  There could be any number of