INPUT DEVICE HAVING SCROLL WHEEL UNIT Russian patent published in 2011 - IPC G09G5/08 

FIELD: information technology.

SUBSTANCE: scroll wheel unit may have finger-clutched control element which can indefinitely turn about a rotation axis and a rotation sensor having a rotation contact element lying in the same plane as the finger-clutched control element and essentially aligned vertically, running down the alignment so that rotation of the finger-clutched control element can move the rotation contact element sideways so as to get into contact with contact switches lying on the side. In another version, the finger-clutched control element has a flexible lobe on the lower side for moving the scroll wheel unit into a vertical position.

EFFECT: providing the user with efficient, simple and easy movement of viewed file content on the screen.

18 cl, 11 dwg