Automatic activation of touch sensitive screen in a hand...

Details Automatic activation of touch sensitive screen in a hand... Automatic activation of touch sensitive screen in a hand...

2007-01-02

2007-01-02

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

Reexamination Certificate

active

09775232

ABSTRACT:
Method and system for activating at least one of a display screen and a touch screen, and/or for deactivating a power conservation system for a hand held computing device (PDA, radiotelephone, etc.), when a stylus used for the touch screen is absent from a receptacle that receives the stylus on the device. When the stylus is present in the receptacle, the display screen and/or touch screen are deactivated and/or the power conservation system is activated. When the stylus is absent from the receptacle, but an accumulated time for such absence is greater than a selected time-out value, the system reacts as if the stylus is present in the receptacle. Examples of methods of sensing presence or absence of a stylus in a stylus receptacle are presented.

REFERENCES:
patent: 5133076 (1992-07-01), Hawkins et al.
patent: 5539876 (1996-07-01), Saito et al.
patent: 5721930 (1998-02-01), Kasuga
patent: 6259172 (2001-07-01), Lee

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