KR20170112830A - Rear function keys for better user experience in mobile devices - Google Patents

Abstract

The present invention relates to [T: rear function key buttons for improving the usability of a portable device], wherein [F: three function keys that can be independently operated as one function] and [F: 3 4] function keys consisting of [1] [N: combination keys] that use other functions in combination with the four function keys.
Therefore, the present invention improves the functional convenience and the input method of the portable device, thereby increasing the work productivity.

Description

Rear function keys for better usability of a mobile device {

The present invention relates to [T: rear function key button for improving usability of a portable device], more specifically, [SuperT: rear function key of a smart phone of 5 inches or more] Function key consisting of 3 [N: function key] that can operate independently and [F: 1 that uses other function in combination with 3 function keys] [N: combination key] So that it is possible to further facilitate the use of the function.

In general, the back key applied to the smartphone is used as a function to improve the operability of the button on a large smartphone or to improve the accessibility of a certain function.

However, conventional rear button implementations are merely a replacement for existing side power / volume buttons, or as a third-party accessory, assigning each function key as a shortcut to a particular application.

Korean Utility Model Publication No. 20-2013-0000786

Therefore, the present invention can be used as a substitute for a conventional side power / volume button, or as a third party accessory, the limitation of an existing smartphone back button and the limitation of designating each function key as a hot key for a specific application, This is to solve the inconvenience of the existing smartphone interface based on the touch screen.

That is, the present invention is characterized in that the present invention is characterized in that, at the rear side, [F: three functions that can be independently operated as one function] [N: function key] and [F: one function Key] is positioned to facilitate the use of the functions of the smartphone.

Therefore, the present invention is characterized in that, on the rear surface, [F: three functions capable of independently operating as one function] [N: function key] and [F: one function using a function in combination with function keys] [N: The functions of the smartphone can be more easily used than before.

FIG. 1 is a rear view of the present invention, FIG. 2 is a front view of the present invention,

That is, the present invention can be applied to a case where a plurality of functions [N: function keys] and [F: one function that uses different functions in combination with function keys] [N: Combination keys] are positioned in the left side of FIG.

Here, the function key 101 is located at a position where the detection, stop, and ring finger are located when the user grasps the back of the smartphone, and can easily operate three functions. You can change the functions assigned to the three function keys through the application. The changeable functions include input shortcuts, such as copy, paste, refresh, and zoom, which are commonly used in PCs, as well as application shortcuts. In particular, the copy function stops the normal operation of the touch screen when the set function key is pressed, and the text on the screen is selected as the range (103) of the text dragged on the touch screen and is copied as soon as the hand is released. Put the cursor in the input window (104) and press the button, the contents of the clipboard are pasted immediately.

In addition, when the user holds the combination key 102 on the back of the smartphone, the user operates the function key or the touch screen to operate the portable terminal with a function different from that of the normal operation. Alt key function can be selectively available so that the shortcut key of the existing PC environment can be implemented as it is.

Hereinafter, the use process of the present invention will be described.

As described above, the present invention can be applied to a smart phone having a function [F: three function keys that can be independently operated as one function] and a function key [F: three function keys 4] function keys consisting of [N] and [N: NUMBER KEY] in order to facilitate the use of the functions of the smartphone.

In addition, in the practice of the present invention, the above-mentioned function keys are provided to fix three buttons at a position where detection, stop, and ring finger of the back side of the smartphone are reached and perform respective functions. It is equipped with one button at the touch position, so that the function key or the input of the touch screen operates differently when the combination key is pressed and not pressed.

101: function keys (1 to 3) 102: combination key 103: text selection area 104: input area

Claims (3)

For large, 5-inch and larger smartphones, there are four rear key combinations featuring the ability to act as application and input device shortcuts The method of claim 1, further comprising:
In the position where it is easy to operate with both fingers, three function keys and one combination key The method of claim 1, further comprising:
Implementation of copy / paste interface using three function keys, one combination key and touch screen operation

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