Method and apparatus for locking a mobile telephone touch screen
First Claim
Patent Images
1. A mobile phone having touch screen, display, characterized by:
- means defining a touch screen lock;
means for activating said touch screen lock during an ongoing call, and means for deactivating said touch screen lock during an ongoing call.
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Accused Products
Abstract
A mobile phone having a touch screen display includes a touch screen lock which is activated during an ongoing call by contacting the touch screen a first time and pressing again within a predetermined time duration interval the touch screen lock remains active during subsequent pressing contacts. The touch screen lock is deactivated during an ongoing call in the absence of pressing contact with the touch screen surface for a time duration interval greater than or equal to a predetermined time duration interval.
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Citations
15 Claims
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1. A mobile phone having touch screen, display, characterized by:
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means defining a touch screen lock;
means for activating said touch screen lock during an ongoing call, and means for deactivating said touch screen lock during an ongoing call. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. Method for activating and deactivating a touch screen lock in a mobile phone during an ongoing call characterized by the steps of:
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detecting contact with the surface of the touch screen; and
activating the touch screen lock in response to the touch screen surface contact duration interval being equal to or greater than a first predetermined time duration interval. - View Dependent Claims (13, 14, 15)
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Specification