KR100361312B1 - Key board having hand phone - Google Patents

Abstract

The present invention is based on the assumption that the battery is coupled to the back of the main body of the mobile phone terminal, the battery input keyboard is detachably coupled to the back of the battery, the left-handed assignment key group on the back of the text input keyboard and The left-right allocation key group and the good-assignment key group divide the left-right allocation key group and the good-assignment key group into both sides by dividing and assigning the even-numbered assignment key group to both sides. Rotated 90 degrees in the direction, and the even-numbered key group is configured by rotating 90 degrees in the counterclockwise direction to face each other.

According to the present invention described above, by holding both sides of the terminal main body with the thumb to operate the front keys of the terminal main body, with the remaining fingers to operate the left and right assignment key group and even assignment key group of the character input keyboard character input The effect is to make the work easier, easier and faster.

Description

Mobile phone terminal equipped with keyboard for inputting text {Key board having hand phone}

The present invention relates to a mobile phone terminal, and more particularly, a character input keyboard is provided on the back of the terminal body, so that the user can easily and quickly perform character input operations while holding the mobile phone body with both hands and watching the LCD screen. The present invention relates to a mobile phone terminal equipped with a text input keyboard.

As shown in FIG. 1, a mobile phone terminal generally used has a plurality of keys (e.g., a liquid crystal display 2 formed on the front side of the terminal main body 1) and various numbers and Hangul alphabets displayed thereon. key) (3) is arranged.

A cover 4 is hinged to the terminal body 1 so as to cover and protect the key 3 or the liquid crystal screen 2.

In the single key 3, there are formed two to three Hangul alphabet display units together with numbers, and a single key 3 is used to display a combination of several numbers or letters.

However, the general mobile phone terminal as described above should display all letters, numbers, symbols, etc. of Korean characters using a limited number of keys 3 so that one key 3 can be spaced at a constant interval. In addition, it takes a lot of input time, such as pressing two or three times, and the character input operation was not easy and there was a considerable trouble.

An object of the present invention is provided with a character input keyboard on the back of the terminal body, the character input keyboard is provided so that the character input operation can be performed more simply, easily and quickly while holding the portable telephone body with both hands and watching the LCD screen. It is to provide a mobile phone terminal.

1 is a perspective view of a typical mobile phone terminal.

2 is a plan view for explaining a key arrangement state of a general desktop computer keyboard.

3 to 5 show a mobile phone terminal according to the present invention,

3 is a perspective view.

4 is an exploded perspective view.

5 is a rear perspective view.

Figure 6 is a schematic cross-sectional view for explaining the electrical connection state of the mobile phone terminal according to the present invention.

7 to 9 show a character input keyboard applied to the cellular phone terminal according to the present invention,

7 is a rear view.

8 is a side view.

9 is a perspective view.

10A, 10B, and 10C are cross-sectional views taken along the line A-B in FIG. 7, showing operation of the touch of the key.

<Explanation of symbols for the main parts of the drawings>

10; Terminal body 20; battery

30; Character input keyboard 40; Left-handed allocation key group

42, 52; Inclined plane 50; Excellent allocation key group

In order to achieve the above object of the present invention, in the conventional mobile phone terminal that the battery is coupled to the back of the terminal main body, the back of the battery is coupled to detachably attach the character input keyboard, on the back of the character input keyboard The left-handed assignment key group and the even-assignment key group are divided into two sides, and the left-handed assignment key group and the even-assigned key group are divided into the left-handed assignment key group and the even-assigned key group on both sides of the conventional desktop keyboard. The assigned key group is rotated 90 degrees clockwise, and the excellent assigned key group is rotated 90 degrees counterclockwise and arranged to face each other. The front keys of the terminal body are held with the thumbs while holding both sides of the terminal body. The left finger assignment key group of the character input keyboard; There is provided a cellular phone terminal equipped with a character input keyboard, which is configured to operate an even-numbered assignment key group.

The inclined planes are formed on the opposite sides of the character input keyboard at the highest form, respectively, and the left-handed assignment key group and the even-assigned key group are arranged on the inclined plane, respectively.

The left-handed assignment key group and the even-assignment key group are arranged in three rows, respectively, of the keys in the three rows, the middle keys are formed horizontally, and the keys on both sides are formed to be inclined so as to be lower toward the outside and higher toward the outside. It is characterized in that the touch is configured differently at the corner parts.

Connection terminal pieces are respectively provided on both sides of the front surface of the character input keyboard, and the connection terminal pieces contact each of the charging terminal pieces provided on both sides of the rear surface of the battery to supply power, and the key code of the character input keyboard is transferred to the terminal body. Characterized in that configured to be delivered.

Both inner side surfaces of the letter input keyboard are provided with elastic support protrusions elastically supported on both sides of the terminal body, respectively, so that the character input keyboard is detachable from the terminal body.

According to the present invention, the character input keyboard attached to the back of the portable telephone main body has the advantage of performing the character input operation more easily, easily and quickly while looking at the LCD screen using all the fingers of both hands.

Hereinafter, a mobile phone terminal equipped with a text input keyboard according to the present invention will be described according to the embodiment shown in the accompanying drawings.

3 to 5 show a mobile phone terminal according to the present invention. FIG. 3 is a perspective view, FIG. 4 is an exploded perspective view, and FIG. 5 is a rear perspective view.

As shown in the figure, the cellular phone terminal according to the present invention is a terminal main body.

It assumes the general mobile telephone terminal which combined the battery 20 to the back of (10).

That is, in the conventional mobile phone terminal in which the battery 20 is coupled to the back of the terminal body 10, the character input keyboard 30 is detachably coupled to the back of the battery 20.

The left-handed assignment key group 40 and the even-numbered assignment key group 50 are divided into two sides and arranged on the back of the character input keyboard 30.

The rear left hand assignment key group 40 and the even hand assignment key group 50 are left-handed assignment key groups (key L) (L) and the remaining keys except for the number keys in the general desktop Hangul 2 beolsik keyboard shown in FIG. Separate the even-numbered assignment key group (R) from both sides, turn the left-right assignment key group (1) to rotate 90 degrees clockwise, and the even-number assignment key group (2) rotate it 90 degrees counterclockwise to face each other. Arrange.

The terminal body 10 has the same structure as a conventional cellular phone terminal body. That is, the cover 11 is hinged, the liquid crystal on the body 10 or the cover 11

The surface 12 is provided, and the several key 13 is provided in the main body 10. As shown in FIG.

The key 13 of the main body 10 of the terminal 10 is not formed with two or three Hangul alphabet display units together with numbers, and a simpler display unit in which one number 13 and one special key are displayed one by one. Has

The battery 20 coupled to the back of the terminal body 10 has a structure that is detachable in the same manner as before.

That is, although not shown in detail in the drawings, the coupling structure is formed on both sides of the rear surface of the terminal main body 10, and the coupling structure 21 is formed on both sides of the battery 20, respectively, is configured to fit in a sliding manner. The release button 14 (shown in FIG. 5) having the same structure as the conventional structure is provided on the rear surface of the terminal main body 10 so that the battery 20 can be removed.

In addition, connecting terminal pieces T1 and T2 are provided on the rear surface of the terminal body 10 and the predetermined surface of the battery 20 so as to face each other, so that electrical connection is possible.

On the other hand, the character input keyboard which is the main part of the mobile phone terminal according to the present invention

Also, connection terminal pieces T3 and T4 for electrical connection with the battery 20 are formed, respectively.

That is, the charging terminal pieces T1 'and T2' are respectively provided on both sides of the rear surface of the battery 20, and the character input keyboard 30 is inserted into the charging terminal pieces T1 'and T2'. By connecting the connection terminal pieces T3 and T4 of the power supply, the battery 20 is supplied to the character input keyboard 30, and the key codes generated when the character input keyboard 30 is operated are also converted into high frequency signals. It is configured to be transmitted to the terminal body 10 through the terminal pieces for charging (T1 ') (T2').

Since the key code of the character input keyboard 30 is converted into a high frequency signal and transmitted to the terminal main body 10, a detailed description thereof will be omitted.

In order to transfer the key code of the character input keyboard 30 to the terminal body 10, a data transmission connector of the cellular phone may be used. However, as in the embodiment of the present invention, the key code transfer method using the charging terminal pieces T1 'and T2' has an advantage of excluding the use of a separate connector.

The detachable coupling structure of the battery 20 and the text input keyboard 30 is preferably configured to be the same as that of the detachable structure of the battery 20 and the battery charger.

That is, as shown in Figs. 4 and 9, the engaging grooves 15 are formed at predetermined depths in the middle portions of both sides of the terminal body 10, respectively, and both inner surfaces of the character input keyboard 30 are defined. Elastic support protrusions 31 and 31 ′ are respectively formed at portions, and when the character input keyboard 30 is coupled to the rear side of the battery 20, the terminal body 10 is as if the battery is coupled to the battery charger. The elastic support protrusion (31) in the locking groove (15) of

The 31 'is elastically fastened so that the character input keyboard 30 is fixed to the terminal body 10.

At this time, the character input keyboard 30 is not completely fixed to the terminal body 10, but is elastically supported by the terminal body 10 by elastic support protrusions 31 and 31 '. Character input keyboard during use of character input keyboard 30

There is no phenomenon in which the 30 is arbitrarily separated, and when the external force is applied to the character input keyboard 30, the elastic support protrusions 31 and 31 ′ are elastic from the locking groove 15 of the terminal body 10. Since it is pulled out of the terminal, the character input keyboard 30 can be easily separated from the terminal body 10.

In addition, according to the character input keyboard 30 applied to the mobile phone terminal according to the present invention, the character input operation is performed while watching the liquid crystal screen 12 of the terminal body 10, except for the thumb It is important to grasp the position of each key of the character input keyboard 30 by the touch of a finger.

For example, like the keyboard of a conventional desktop computer, protrusions are provided on the F key and the J key.

It is preferable to make the touch of the position of the key which forms each of (41) and (51) feel.

In addition, as shown in FIG. 8, the inclined surface at a predetermined angle Z such that the middle portion is the highest on both sides of the rear surface of the character input keyboard 30 on which the left-numbered assignment key group 40 and the even-numbered assignment key group 50 are formed. 42 and 52 were formed, respectively, so that the key operation of the left-hand assigned key group 40 and the even-assigned key group 50 was made easier.

10A, 10B, and 10C, the left-right assignment key group 40 and the even-assignment key group 50 of the character input keyboard 30 are divided into three rows of keys 32, 33, 34, and 42. When the (43) (44) is arranged, the key (33) in the middle row is formed horizontally, and the keys (33) (34) on both sides are formed so as to be inclined so that the inner side is low and goes toward the outer side. (32) (33) 34, (42) (43) In the corner portions of the (44), the touch of the touch is different so that the position of each key can be recognized correctly.

That is, as shown in B and C portions, which are partial detailed views of FIG. 10A, the heights of both sides of the center key 33 and the inner height of the keys 32 and 33 arranged on both sides are stepped at each corner. By varying the touch sensation due to the height difference, the position of each key 32, 33, 34 can be accurately detected.

In addition, in the character input keyboard according to the present invention, as shown in Fig. 7, the left-numbered assignment key group 40 and the even-numbered assignment key group 50 are divided into six rows, respectively. It is designed to operate with fingers, 3 lines with middle finger, 4 lines with ring finger, and the other 5 and 6 lines with hand. The distance a between the first and second rows a and the distance c between the five and six row sites are preferably shorter than the distance c between the remaining two, three and four rows.

In addition, the above six rows of keys are formed in a stepped manner so that the height gradually increases in the left and right directions, thereby facilitating the character input operation.

According to the mobile phone terminal according to the present invention as described above, since the character input keyboard 30 is coupled to the back of the battery 20 coupled to the back of the terminal body 10, the user both hands on the terminal body 10 In the state of holding both sides of the side while holding the thumb of both hands to operate the key 13 on the front, the remaining fingers of the left and right assignment key group 40 and the even assignment key group 50 of the character input keyboard 30 By operating the keys, desired characters are more easily input to the liquid crystal display 12.

At this time, the left-hand assignment key group disposed on both sides of the rear surface of the character input keyboard 30.

40 and the even-assignment key group 50, the left-handed assignment key group 40 and the even-assignment key group 50 of the general desktop Hangul 2 beol keyboard shown in FIG. 2 are rotated 90 degrees clockwise and counterclockwise, respectively. Since it is standing facing each other, users who have previously typed characters without looking at the keyboard of the Hangul 2 Beolsik keyboard can easily perform character input without any difficulty.

In addition, the inclined surface 42 at a predetermined angle Z on both sides of the back of the character input keyboard 30.

Since 52 are formed respectively, the angle formed by the back of the user's hand and the finger is small and the hand movement of the finger is free, which makes the character input operation easier.

Character input keyboard according to the present invention as described above is not limited to the embodiments described in the detailed description and shown in the drawings. Accordingly, various modifications may be made without departing from the spirit of the inventive concept of the claims of this invention and its dependent claims.

As described above, the mobile phone terminal according to the present invention, on the assumption of a conventional mobile phone terminal in which a battery is coupled to the back of the terminal body, is coupled to the back of the battery to detachably insert a character input keyboard, The left-hand assignment key group and the even-assignment key group are divided into two sides and arranged on the back of the character input keyboard, and the left-hand assignment key group and the even-assignment key group are assigned to the left and right assignment key group and the even-assigned key group on the ordinary desktop keyboard. Separated on both sides, the left-hand assigned key group is rotated 90 degrees clockwise, and the even-numbered assigned key group is rotated 90 degrees counterclockwise, and arranged to face each other, while holding the mobile phone body with both hands and looking at the LCD screen. It has the effect of making input work easier, easier and faster. .

Claims (7)

In a typical mobile phone terminal in which a battery is coupled to the back of the terminal body, Removably combines a text input keyboard on the back of the battery, The left-handed assignment key group and the even-numbered assignment key group are divided into two sides and arranged on the back of the character input keyboard, The left-handed assignment key group and the even-assignment key group separate the left-right assignment key group and the even-assignment key group from both sides of the conventional desktop keyboard except for the numeric keys on both sides, and the left-hand assignment key group is turned 90 degrees clockwise, and the even-assigned key group Are rotated 90 degrees counterclockwise to face each other, A character input keyboard is provided to surround both sides of the terminal body and to operate the front keys of the terminal body with the thumb, and the left and right assignment key group and the even assignment key group of the character input keyboard with the remaining fingers. Mobile phone terminal. The character input keyboard according to claim 1, wherein an inclined surface is formed on both sides of the rear surface of the character input keyboard in the form of the highest middle portion, and the left and right allocation key groups are arranged on the inclined surfaces, respectively. Mobile phone handset. 3. The left-handed assignment key group and the even-numbered assignment key group are arranged in three rows, respectively, of which the keys in the middle are formed horizontally, and the keys on both sides are inclined so as to be lower inward and higher inward. Is formed, the mobile phone terminal with a character input keyboard, characterized in that the touch is stepped at the corner portion of each key is configured differently. The left-handed key group and the even-numbered key group are arranged in six rows, respectively, wherein the first and second rows are the index finger of both hands, the third row is the middle finger, the fourth row is the ring finger, and the remaining 5 and 6 rows are the same. A mobile phone terminal having a text input keyboard, wherein the distance between the first and second rows and the distance between the 5 and 6 rows is shorter than the distance between the remaining 2,3 and 4 rows. The mobile phone terminal according to claim 4, wherein the six rows of keys are arranged in a stepwise manner in which the height gradually increases or decreases in the left and right directions. 2. The terminal of claim 1, wherein connecting terminal pieces are provided on both sides of the front surface of the character input keyboard, and the connecting terminal pieces are respectively in contact with the charging terminal pieces provided on both sides of the rear surface of the battery, so that power is supplied. A mobile phone terminal having a text input keyboard, the key code being configured to be transmitted to the terminal body. According to claim 1, Characterized in that both the inner surface of the character input keyboard is provided with elastic support projections that are elastically supported on both sides of the terminal body, respectively, so that the character input keyboard is detachable to the terminal body Mobile phone terminal with input keyboard.