System and method for cleaning the display screen of a touch screen device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 11, 1996
Grant Date -
N/A
app pub date -
Jun 20, 1994
filing date -
Jun 20, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A procedure for cleaning a display screen in a touch screen based telephone such that features of the telephone are not inadvertently activated is described. The procedure operates by causing the telephone (actually, a processor in the telephone) to enter a 'clean screen' mode in response to a request from the user to clean the display screen. While in the 'clean screen' mode, all signals generated in response to the user touching the display screen are ignored. In this matter, while in the 'clean screen' mode, the user is able to clean the display screen without inadvertently activating any features of the telephone. The telephone automatically determines when the user has finished cleaning the display screen. When it is determined that the user has finished cleaning the display screen, the telephone leaves the 'clean screen' mode and enters an 'active screen'. While in the 'active screen' mode, all signals generated in response to the user touching the display screen are processed.
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