Locking/unlocking a portable electronic device

Details Locking/unlocking a portable electronic device Locking/unlocking a portable electronic device

2007-07-24

2007-07-24

Feild, Joseph (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S411000, C341S026000

Reexamination Certificate

active

10952898

ABSTRACT:
A portable electronic device operable in a first mode and a second mode, comprising: input means having a first key and a second key, wherein, when the device is in the first mode, the device is not responsive to the individual actuation of the first key and, when the device is in the second mode, the device is responsive to the individual actuation of the first key; and disabling means, responsive when the device is in the first mode to the sequential actuation of the first key then the second key to at least partially disable the input means.

REFERENCES:
patent: 5241583 (1993-08-01), Martensson
patent: 5798716 (1998-08-01), Davis
patent: 6122530 (2000-09-01), Overy et al.
patent: 6281925 (2001-08-01), Kosaka
patent: 7058391 (2006-06-01), Tani
patent: 2004/0203604 (2004-10-01), Pugliese
patent: 2004/0205257 (2004-10-01), Hughes et al.
patent: 2004/0207722 (2004-10-01), Koyama et al.
patent: 2004/0263360 (2004-12-01), Husak
patent: 2005/0004692 (2005-01-01), Sutton et al.

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