Patent ID: 7349202

Claim:
A data processing device having a main unit that can be positioned and used vertically or horizontally, and a display device mounted to the front of said main unit, said data processing device comprising: a display device mounting unit that is attached to, or incorporated into the housing of said main unit, comprising a curved recessed portion facing the operator forming an arc recessed diagonally from the front part of said main unit toward the inside of said main unit, on which guide rails are attached or incorporated along the arc of said curved recessed portion; and a mounting member comprising a convex curved surface which in section has a matching radius of curvature with said curved recessed portion, on which slide rails are attached or incorporated into the convex curved surface, said slide rails coupling and operating in conjunction with said guide rails; wherein said mounting member is attached to a back of said display device, and when said main unit is placed vertically and horizontally, said display device can be mounted to said display device mounting unit by coupling said slide rails to said guide rails without reversing the top and bottom of said display device, and the tilt angle of said display device can be adjusted by sliding said slide rails along said guide rails.