Portable electronic device
AssigneeCasio Hitachi Mobile Communications Co., Ltd.
InventorsMasatake Fuke, Masaki Uesugi, Hiroshi Morita, Yuuichi Oota, Satoshi Tanaka
Life of this patent
Estimating the term…
Abstract
In a foldable cellular phone, a cross key is provided on an operating surface of a second casing and a side right-and-left key having the same function as two direction keys of the cross key is provided on one side surface of the second casing. Further, a side up-and-down key having the same function as the other two direction keys of the cross key is provided on a side surface of a first casing that is positioned on the same side as the side right-and-left key when the foldable cellular phone is folded in such a way that the display section faces to the outside.
Claims8
A portable electronic device including a first casing having a display section and a second casing having an operation section, in which the first casing can be positioned at the top of the operation section of the second casing in such a way that the display section is exposed, the portable electronic device comprising:
- besides operation keys provided on the operation section,
- a first direction instruction key and a second direction instruction key, which are provided on one side surface of the second casing so as to be positioned close to each other;
- and
- a third direction instruction key and a fourth direction instruction key which are provided on one side surface of the first casing so as to be positioned close to each other, wherein
- the one side surface of the first casing on which the third and the fourth direction instruction keys are provided is positioned on a same side as the one side surface of the second casing when the fist casing is positioned at the top of the operation section of the second casing in such a way that the display section is exposed, and
- the third and the fourth direction instruction keys are provided to be positioned close to the first and second direction instruction keys.
Dependencies are inferred from the claim text.