| 摘要 |
PURPOSE: An electronic device for a hand holding is provided to prevent a damage of a case or a trouble of an electronic device by making a finger end be inserted into a finger groove formed at a case bottom surface corner of the electronic device in the case that a user holds the electronic device by one hand. CONSTITUTION: A plurality of finger grooves(10,12,14,16,18) is formed at the bottom surface corners of a case(2) for positioning a palm of a user on the bottom surface when the user holds the case(2). In detail, a finger groove(10) is formed at one corner for positioning a thumb of the user. A finger groove(12) is formed at the upper corner for positioning a fingerprint portion of the first finger of the user. Finger grooves(14,16,18) are formed at the other corner successively for positioning fingerprint portions of the second finger, the third finger, and the little finger of the user. A wrist receiving groove(8) is formed at the lower corner of the case(2). A button member(20) having a specific function is installed in the finger grooves(10,12,14,16,18). The button member(20) comprises a rotation ball(22) for scrolling a screen and moving a cursor and switches for outputting a signal for executing different functions.
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