KR20070088087A - Mobile phone having dual keypad - Google Patents

Abstract

A portable terminal having a dual keypad is provided to install a touch pad unit and a keypad unit, configured through a key arrangement mode, in a main body and an external surface of a flip cover, so that the portable terminal can be used in a call mode without opening the flip cover of the terminal and a key input function can be facilitated when the portable terminal is used in a text mode in a state that the flip cover is opened. In a flip type portable terminal including a main body housing(20) and a flip cover(40) rotatably combined with the main boy housing through a hinge device(30), the portable terminal comprises the followings: a touch pad unit(100) which is installed as a key input unit on the outside of the flip cover; and a keypad unit(200) for arrange plural keys(200a) on the main body housing through a keyboard type.

Description

Mobile terminal with dual keypad {MOBILE PHONE HAVING DUAL KEYPAD}

1 is a perspective view showing a state before opening and closing a flip cover in a flip-type portable terminal according to a conventional embodiment.

Figure 2 is a perspective view showing a state after opening and closing the flip cover in a flip-type portable terminal according to an embodiment of the prior art.

3 is a front view of the keypad of FIG.

Figure 4 is an exploded perspective view showing the configuration of a portable terminal equipped with a dual keypad according to an embodiment of the present invention.

5 is a perspective view showing a coupling state of a mobile terminal having a dual keypad according to an embodiment of the present invention.

6 is a perspective view showing a state of use of the mobile terminal equipped with a dual keypad according to an embodiment of the present invention.

7 is a front view showing the key arrangement of the keypad in the configuration of a portable terminal equipped with a dual keypad according to an embodiment of the present invention.

The present invention relates to a portable terminal having a dual keypad, and more particularly, to a portable terminal having a dual keypad including a keypad portion formed of a touch pad unit and a key array (QWERTY) method on an outer surface and a main body of the portable terminal. will be.

In general, the term “portable terminal” refers to a device that a user can carry and perform wireless communication with a counterpart. Such mobile terminals are referred to as HHP, CT-2 cellular phones, digital phones, PCS phones and PDAs, and are classified into various types in appearance. For example, wireless terminals are classified into bar-type, flip-type, or folder-type wireless terminals according to their appearance. The above-mentioned conventional portable terminals essentially have an antenna device, a data input / output device, and a data transmission / reception device. Of course, the data input device is commonly used as a keypad for inputting data mainly by finger pressing.

The keypad used for entering data consists of an arrangement of a plurality of keys.

Looking at the structure of a portable terminal having the keypad as follows. As shown in FIG. 1, the conventional flip-type mobile phone 1 has a flip cover 3 rotatably coupled to the hinge device 4 at one end of the main body 2, and the main body 2 has a plurality of keys 5a. A keypad 5 composed of) is configured.

The keypad 5 is provided with keys 5a which are inserted into a plurality of key holes formed in the main body and exposed to the outside, and are composed of key rubbers that are coupled to the lower ends of the keys 5a.

The keypad 5 uses a plurality of dome switches (not shown) to obtain a feeling of operation, and the dome switch is a printed circuit board (not shown) having a circuit in the main body 2 by the above key operation. Press the key 5a, the dome switch contacts the contact 4a of the printed circuit board (PCB) to generate a signal.

In addition, the conventional portable terminals are multifunctional according to the consumer's needs, the size of the miniaturization is reduced, and among the multi-function, the voice communication, radio listening and accessing the Internet to download MP3 music, and also through the keypad of the mobile terminal The ability to send and receive messages with each other has also been added.

 2 and 3, the keypad 5 is composed of 12 key arrays of 4 rows ㅧ 3 columns.

In addition, recently, many PDAs have a wireless function, and a portable terminal has a PDA function, which has increased the number of characters input from a multi-function device for text service (SMS) or email writing.

However, the conventional keypad method is provided with a number and a letter together, when using the call mode should always be used after opening the flip cover, even when used in the text mode was inconvenient to open and use the flip cover again, In addition, when inputting a character, it is difficult to write a character until it is familiar with the arrangement of the keyboard of the terminal.

In addition, when the keys are arranged in the computer keyboard arrangement in the terminal, the number of keys of the terminal is increased, which makes it difficult to design the terminal.

Accordingly, the present invention is to solve the above conventional problems, an object of the present invention, the keypad consisting of a key pad (QWERTY) method of the touch pad unit and the keyboard on the outer surface and the main body of the flip cover in the flip-type portable terminal. The present invention relates to a portable terminal equipped with a dual keypad that can be used in a call mode without opening and closing the flip cover of the terminal and facilitates a key input function when used as a text mode function when opening and closing.

In order to achieve the above object, the present invention provides a flip-type portable terminal comprising a main body housing and a flip cover rotatably coupled by a hinge device from the main body housing,

A touch pad unit provided as a key input unit on the outside of the flip cover; And

Characterized in that it consists of a keypad unit for arranging a plurality of keys in the body housing in a keyboard manner.

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention.

As shown in FIGS. 4 and 5, the portable terminal 10 having a dual keypad includes a touch pad unit 100 and a keypad unit 200, and the touch pad unit 100 may be used as a key input means. It is provided on the flip cover 40, the outer surface of the flip-type portable terminal 10, the keypad 200 is the main body so that a plurality of keys (200a) can be arranged in a keyboard manner for use as a character input means It is provided in the housing 20.

As shown in FIG. 4, the touch pad unit 100 includes a light emitting device 101, a diffusion film 102, a touch panel 103, and a signal processing controller 104. The diffusion film 102 and the touch panel 103 are provided in the mounting groove 41 formed in the flip cover 40, and the light emitting element 101 emits light according to a power supply. 40, and the diffusion film 102 has a mounting groove of the flip cover 40 to uniformly diffuse the light transmitted from the light emitting device 101 to the front surface of the flip cover 40. 41, the touch panel 103 is provided in the mounting groove 41 of the flip cover 40 so as to transmit light diffused through the diffusion film 102, and the signal processing. The controller 104 senses and signals the pressure pressed through the touch panel 103, and this signal It is adapted to receive input control.

As illustrated in FIG. 5, a printing surface of a plurality of numeric keys 103a is provided on an upper surface of the touch panel 103.

6 and 7, the keypad 200 has a plurality of keys 200a printed with a plurality of character surfaces and special symbols.

Referring to Figures 4 to 7 attached to the operation of the portable terminal equipped with a dual keypad according to an embodiment of the present invention having the configuration as described above in detail as follows.

As illustrated in FIG. 4, the portable terminal 10 having a dual keypad includes a touch pad unit 100 and a keypad unit 200.

Herein, the flip type terminal 10 will be described as an example in the portable terminals.

As shown in FIG. 5, when the phone is used in the call mode via the flip terminal 10, the numeric keypads 103a of the touch pad unit 100 provided on the outer surface of the Philip cover 40 are pressed.

In this case, a mounting groove 41 is formed in the flip cover 40 to mount the touch pad part 100.

As shown in FIG. 4, a plurality of light emitting devices 101, a diffusion film 102, and a touch panel 103 are provided in the mounting groove 41.

An upper surface of the touch panel 103 is provided with a printing surface of a plurality of numeric keys 103a.

The plurality of numeric keys 103a of the touch panel 103 are emitted by the light of the plurality of light emitting elements 101 provided in the mounting groove 41, and the light of the light emitting elements 101 is diffused by the diffusion film ( 102 is uniformly diffused to the front of the flip cover 40.

The numeric keys 103a of the touch panel 103 are emitted by the light of the light emitting element 101, and at this time, the user presses a desired number.

The pressure pressed by the touch panel 103 is sensed and signaled, and the signal is received and applied to the signal processing controller 104.

The signal processing controller 104 is applied to a controller (not shown) of the terminal and displayed on the display unit 11 provided in the terminal 10.

6 and 7, when the flip-type portable terminal 10 is used for text and other mode functions, the Philip cover 40 is rotated by the hinge device 30 to be opened and closed.

In this case, as shown in FIG. 7, the keypad 200 provided in the main body 20 is exposed. The keypad 200 includes a plurality of letter surface keys 200a and the letter surface keys 200a. ) Consists of a keyboard layout (QWERTY).

A user inputs text into the terminal 10 using the text surface of the keypad 200.

As described above, by providing a touch pad part in a flip cover of a flip-type portable terminal and configuring a keypad part in a key arrangement method of a keyboard in a main body housing, key input of the terminal can be easily and quickly performed.

The portable terminal provided with the dual keypad of the present invention described above is not limited to the above-described embodiments and drawings, and various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those of ordinary skill in the art.

For example, the present invention need not be limited to a flip type terminal, but can be applied to all portable terminals.

As described above, according to the portable terminal provided with the dual keypad according to the present invention,

In the flip-type mobile terminal, the keypad is formed on the outer surface and the main body of the flip pad in the QWERTY manner, and can be used as a numeric and letter key input function according to the opening and closing of the flip cover of the terminal. It can be used as a call mode function without opening and closing, and can be used as a text mode function when opening and closing to facilitate the key input of the terminal, thereby having the effect of quickly entering the key of the terminal.

Claims (5)

A flip type portable terminal comprising a body housing and a flip cover rotatably coupled by a hinge device from the body housing, A touch pad unit provided as a key input unit on an outer surface of the flip cover; And And a keypad unit for arranging a plurality of keys in a keyboard manner in the main body housing. The display apparatus of claim 1, wherein the touch pad unit comprises: a plurality of light emitting elements provided in the flip cover to emit light according to a power supply; A diffusion film uniformly diffusing the light transmitted from the light emitting elements to the front surface of the flip cover; A touch panel configured to transmit light diffused through the diffusion film; And a signal processing control unit for sensing and signaling a pressure pressed through the touch panel, and receiving and controlling the signal. The mobile terminal of claim 2, wherein a print surface of a plurality of numeric keys is provided on an upper surface of the touch panel. The portable terminal of claim 1, wherein the keypad includes a plurality of keys printed with a plurality of letters and special symbol surfaces. According to claim 1, When using the terminal in the call mode, the numeric keypad keys of the touch pad provided on the outer surface of the Philip cover is used, When the terminal is used for text and other mode functions, the Philip cover is rotated by a hinge device, and a keypad part provided in the main body housing is exposed, and a plurality of character surface keys of the keypad part are arranged in a keyboard manner. A portable terminal equipped with a dual keypad, characterized in that the character is input by using.

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