Patent ID: 8032185

Claim:
An operation mode conversion device comprising: an input unit configured to generate a signal to switch a current operation mode to a selected operation mode upon being pressed by a user, the selected operation mode being set with respect to a position on the input unit; a display area located at a central portion of the input unit, the display area being configured to output information about the selected operation mode; and a circuit board having a sensor unit and a control unit, wherein the input unit includes an operation member having a first press portion which is capable of being pressed, the first press portion having a ring shape, a second press portion that presses the sensor unit, and a light transmission window, wherein the display area includes a display device disposed beneath the light transmission window and visible therethrough, and wherein the sensor unit is configured to generate signals corresponding to different operation modes according to how the operation member is pressed by the user and the control unit is configured to control the display device to output information related to the selected operation mode.