Abstract: An information retrieval device, including a jog-dial, a screen, a first level item processing unit to display at least a part of first level information items in a virtual ring segment on the screen, wherein first level information items are rotated and thereby the displayed first level information items are changed by rotating the jog-dial, and a first level capturing unit to select a first level information item that is displayed at a predetermined position by pressing the jog-dial. The information retrieval device also includes at least one respective further level information item processing unit to display at least a part of respective further level information items corresponding to an information item selected in the next lower level information items in a virtual ring segment around the virtual ring segment defined by the next lower level information items on the screen.

Abstract: An information retrieval device, comprising a jog-dial, a screen, a first level item processing unit to display at least a part of first level information items in a virtual ring segment on the screen, wherein said first level information items are rotated and thereby the displayed first level information items are changed by rotating the jog-dial, and a first level capturing unit to select a first level information item that is displayed at a predetermined position by pressing the jog-dial, additionally comprises at least one respective further level information item processing unit to display at least a part of respective further level information items corresponding to an information item selected in the next lower level information items in a virtual ring segment around the virtual ring segment defined by the next lower level information items on the screen, wherein only the outermost displayed further level information items are rotated and thereby the outermost displayed further level information items