Patent ID: 7202906

Claim:
Portable, foldable electronic device comprising an opened use and a closed use position, said device comprising at least: a first housing part comprising at least an inner wall, a second housing part comprising at least an inner wall, a hinge mechanism arranged to fold the first and the second housing parts in the closed use position in relation to each other for a first use position, wherein the inner walls are against each other, and in the opened use position for a second use position, wherein the inner walls are adjacent to each other, an electronic display fitted on at least one of said inner walls and arranged for displaying information to a user in the opened use position, when the device is on a palm of the user and the display is directed at the user, and a third housing part arranged for holding the device on the palm in the first and second use positions and comprising a first wall to be placed transversely to the user's palm, an opposite wall on the opposite side of the third housing part in relation to said first wall, two adjacent walls between said first wall and said opposite wall, and an upper wall, wherein the hinge mechanism is fitted on said opposite wall and arranged for folding the first and the second housing parts in relation to the third housing part, wherein each one of said two adjacent walls is provided with at least one key button within the reach of the fingers for controlling the electronic functions of the device, wherein said first wall, said upper wall or an edge between said first wall and said upper wall is provided with a navigation key for browsing menus displayed on said electronic display, said navigation key being within the reach of the forefinger, said navigation key being equipped with a push-button function for making a selection and arranged rotatable in at least two opposite directions and wherein the first and the second housing parts are arranged to move away from the third housing part by using said hinge mechanism before opening in said opened use position, and wherein the first and the second housing parts, when placed against each other, are arranged, upon closing in said closed use position, to be partly inserted in the third housing part by using said hinge mechanism to reduce the outer dimensions of the device.