KR200202131Y1 - Information handling terminal - Google Patents

Abstract

The present invention relates to a portable information processing terminal capable of efficiently inputting data by enabling the use of both hands when inputting text data and reducing the number of button operations. A keypad for calling; And at least two or more data communication keypads, which are installed under the call keypad to the rear side of the terminal body and are used for inputting text information, wherein at least one of the keypads is fixedly installed on the terminal body. The remaining two or more keypads are slidably or foldable from the terminal body.

Description

Information Processing Terminal {INFORMATION HANDLING TERMINAL}

The present invention relates to a portable information processing terminal capable of transmitting and receiving text data, and more particularly, by allowing both hands to be used when inputting text data and reducing the number of button manipulations, the data input operation can be efficiently performed. And a portable information processing terminal.

In general, the information processing terminal receives a DTMF (Dual Tone Mixed Frequency) signal and a call message applied through an antenna and outputs the DTMF signal and a call message received from the modulation / demodulation unit to the antenna. Demodulates the DTMF signal and the call message output from the RF processor and the RF processor, and outputs the demodulated DTMF signal and the call message from the DTMF generator and the data compressor to modulate the DTMF signal and the call message. The modulator / demodulator unit applied to the side and the PCM (Pulse Code Modulation) data applied from the codec are compressed into ADPCM (Adaptive Differential PCM) data and applied to the modulator / demodulator or processor, and applied from the modulator / demodulator or memory unit. Data compression unit that decompresses ADPCM data into PCM data and applies it to the codec, and under the control of the processor The DTMF generator which generates a DTMF signal corresponding to the key input from the pad and applies it to the modulator / demodulator side, and converts the analog voice signal applied from the audio amplifier into PCM data and applies it to the data compressor side, while the data compressor unit A codec that converts PCM data from an analog audio signal to an audio amplifier and amplifies an analog audio signal from the codec and outputs it through a speaker, while amplifying an analog audio signal from a microphone and applying it to a codec. An audio amplifier, a liquid crystal display for displaying the operation state and various information of the phone under the control of the processor, and an operating program of the processor, and storing data applied from the processor and a corresponding telephone number. To store A keypad having a memory unit, a keypad having a plurality of keys for dialing a telephone number or inputting and displaying various information, and controls the overall operation of the telephone, and controls ADPCM data applied from the data compression unit in a predetermined data format. The processor includes a processor, a microphone, and a speaker for converting the data into a memory unit, updating or storing the data in the memory unit, and deleting the duplicated data in comparison with data previously stored in the memory unit.

In the information processing terminal, the conventional keypad is divided into a first keypad 110 used for making a general call and a second keypad 120 used for data communication, as shown in FIG. 1. .

The second keypad 120 is composed of English letter buttons, the first letter button portion 121 composed of frequently used English consonants and various function buttons, and the second letter button portion 122 composed of English consonants with low frequency of use. And a third character button part 123 consisting of an English vowel, an error correction button part 124 for correcting the displayed character, and a numeric button part 125.

The first keypad 110 slidably mounted to cover the second keypad 120 includes a function button unit 111 including various function buttons, and a call button indicating call start and call completion. A call button section 112, and a number and letter button section 113 to which a letter code and a number code are assigned, and a contact switch 114 is provided at an upper end of the keypad 110.

Accordingly, during a general call, a call is made using the buttons provided on the first keypad 110, and during data communication, the first keypad 110 is slid downward to use the buttons provided on the second keypad 120. To communicate data.

In this case, when the first keypad 110 slides downward, the contact switch 114 is turned off, thereby automatically switching to the character input mode.

However, the conventional information processing terminal configured as described above has the following problems.

That is, since the information processing terminal is provided with only one keypad used for data communication, the number of buttons that can be provided on the keypad is limited. Therefore, the keypad can be used with one button in English or Korean. Duplicate any one type of character, or several letters and / or Korean alphabets on one button.

Therefore, when any one type of character is repeatedly provided to one button, only the characters provided to the button can be used for data communication. Therefore, when the English letter is provided to the button, Korean data using the Hangul alphabet can be transmitted. In addition, when the Korean language is provided to the button, English data using English characters cannot be transmitted, and data communication is incomplete, and the number of button manipulations is increased during data transmission, resulting in inconvenience in use.

In addition, even when several English letters and / or Korean letters are provided in duplicate in one button, the number of button manipulations during data transmission is increased as described above, which causes inconvenience in use.

In addition, since only one hand can be used to operate the keypad, data input work cannot be performed efficiently.

In order to solve the above problems, the present invention provides a portable information processing terminal capable of efficiently performing data input by enabling the use of both hands when inputting text data and reducing the number of button manipulations. There is a purpose.

1 is a diagram showing a keypad configuration of an information processing terminal according to the prior art. 1A is a plan view showing the configuration of a call keypad. 1B is a plan view showing the configuration of a keypad for data communication.

2 is a view showing the keypad configuration of the information processing terminal according to the present invention, Fig. 2A is a plan view showing the structure of a call keypad. 2B is a plan view showing a keypad for first data communication. 2C is a plan view showing a keypad for second data communication;

3 is a view showing a keypad installation structure applied to the information processing terminal of the present invention, Figure 3a is an exploded perspective view showing the installation structure of the call keypad. 3B is an exploded perspective view showing the installation structure of the first data communication keypad.

4 is a view showing a state of use of the information processing terminal according to the present invention.

5 is a partial cross-sectional view of FIG. 4.

In order to achieve the above object, the present invention is configured to divide the character keypad used when communicating character (Korean, English) data into two overlapping, and superimpose one numeric keypad for use in communication with the character keypad. Provided is a portable information processing terminal which can be configured.

Hereinafter, an information processing terminal according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 2 to 5.

The keypad of the present invention is largely composed of a keypad 10 for communication and keypads 20 and 30 for first and second data communications.

The call keypad 10 used in a general call includes a function button part, a call button part, and a numeric button part. Buttons 10a and protrusions 10b are provided on both sides of the keypad 10, and the terminal body is provided. The button mounting hole 12a into which the button 10a is inserted, the engaging jaw insertion hole 12b into which the engaging jaw 14a of the board 14 is inserted, A stopper 12c is provided to prevent the frame 12 from being separated from the terminal body and to limit the moving distance of the frame 12.

Here, the stopper 12c is made of a material that can be elastically deformed, thereby enabling the frame 12 to be installed inside the terminal body.

In addition, the front surface of the board 14 is transmitted to a dome switch (not shown) pressed by the projection 10b and a printed circuit board (not provided in the terminal body) that does not show an on or off signal when the dome switch is pressed. A flexible printed circuit (FPC) 14b is provided.

Accordingly, the assembly of the keypad 10 is completed by coupling the board 14 to the keypad mounting frame 12 while the keypad 10 is placed on the board 14 so that the protrusion 10b and the dome switch come into contact with each other. In the assembly, the button 10a of the keypad is inserted into the button insertion hole 12a.

In addition, when the frame 12 is slid below the keypad mounting frame 12, a first data communication keypad 20 is provided so as to be exposed to the front side of the terminal body 40. The keypad 20 is illustrated in FIG. As shown in 3b, the keypad mounting frame 12 is installed in the keypad mounting frame 22 which is installed in the terminal body so as to be able to be pulled out in a direction opposite to that of the keypad mounting frame 12.

Both sides of the keypad 20 are provided with a button 20a and a protrusion 20b, and a button insertion hole 22a into which the button 20a is inserted into the keypad mounting frame 22 on which the keypad 20 is installed, and a board. The engaging jaw insertion hole 22b into which the engaging jaw 24a of the 24 is inserted, and the stopper 22c which prevents the frame 22 from being separated from the terminal body and limits the moving distance of the frame 22. ) Is provided.

Here, the stopper 22c is made of a material that can be elastically deformed, thereby enabling the frame 22 to be installed inside the terminal body.

In addition, a front surface of the board 24 transmits a dome switch (not shown) pressed by the protrusion 20b and a printed circuit board (not provided in the body of the terminal) not displaying an on or off signal when the dome switch is pressed. A flexible printed circuit (FPC) 24b is provided.

Accordingly, the assembly of the keypad 20 is completed by coupling the board 24 to the keypad mounting frame 22 while the keypad 20 is placed on the board 24 so that the protrusion 20b and the dome switch come into contact with each other. In the assembly, the button 20a of the keypad is inserted into the button insertion hole 22a.

In addition, when the keypad 20 is slid below the first data communication keypad 20, the second data communication keypad 30 exposed to the front side of the terminal body 40 is fixed to the terminal body 40. The inside of the terminal body 40 is provided with a printed circuit board (not shown) having a processor and electrically connected by the boards 14 and 24 and the FPCs 14b and 24b, respectively.

On the other hand, the terminal body 40 has a guide hole 42 for guiding the slide movement of the keypad mounting frames 12 and 22, and an end insertion groove into which the end of each frame is inserted in the storage state of the frames 12 and 22. A 44 is provided, and the guide hole 42 has a width equal to the length of the frames 12 and 22 except for the stoppers 12c and 22c.

Accordingly, when the frames 12 and 22 are slid in the drawing direction, the elastic stoppers 12c and 22c provided at the ends of the frames 12 and 22 are caught by the ends of the guide holes so that the frames 12 and 22 are pulled out. The state is maintained, and when the frames 12 and 22 are slid in the receiving direction, the elastic stoppers 12c and 22c provided at the ends of the frames 12 and 22 are pressed into the inner wall of the end insertion groove 44 so that this frame is pressed. (12, 22) is held in the stored state.

In addition, the keypad mounting frames 12 and 22 may be hinged to be foldable instead of being slidably installed on the terminal body as described above, and the detailed description thereof is omitted since such a configuration is well known.

In the above embodiment, the keypad mounting frame 22 is installed to be retractable and the second data communication keypad 30 is fixedly installed. However, the keypad is installed in the opposite direction to the above configuration or the first data communication keypad is drawn out in the longitudinal direction of the terminal body. It is also possible to install it.

As shown in the drawing, the first and second data communication keypads 20 and 30 are provided with character keyboards having the same arrangement as the keyboard layout provided on the keyboard of the personal computer, so that young users who are familiar with keyboards can effectively communicate data. Do it.

Hereinafter, the operation of the present invention will be described.

Except for data communication, the keypad installation frames 12 and 22 are housed inside the terminal body, and thus the call can be made using the buttons provided on the keypad 10 for a call.

In this state, when the user wants to perform data communication, the keypad mounting frame 12 is slid out to the right of the body 40 until the elastic stopper 12c is caught by the end of the guide hole 42. The keypad mounting frame 22 is pulled out to the left of the body 40 until the elastic stopper 22c is caught by the end of the guide hole 42.

As such, when the frames 12 and 22 are extracted, the terminal is unfolded in a 'ㅗ' shape as shown in FIG. 4. In this state, the user inputs data with the other hand while holding the main body of the terminal with one hand. Alternatively, the data can be input using both hands while the lower portions of the frames 12 and 22 are supported by separate supporting members, and a shift key, a Korean / English conversion key, and a case conversion on the keypad are provided. Data in various formats can be entered using function keys such as the (caps lock) key and special characters provided in the numeric keys.

After the data communication is completed, the frames 12 and 22 are slid in the direction opposite to the above directions to enable general call use, and the stored state is maintained by the stoppers 12c and 22c.

In the above description, the keypad of the present invention is applied to a mobile phone. However, the present invention is not limited thereto, and the present invention may be applied to other information processing terminals such as PDAs, and the keypad may be applied to a portable information processing terminal such as a laptop. In this case, the terminal can be made compact.

As such, the present invention is not limited to the above embodiments, and it is possible to carry out various modifications within the scope of the utility model registration claims and the detailed description of the invention and the scope of the accompanying drawings. Naturally, it belongs to the range.

As described above, the present invention has the following effects.

That is, the terminal of the present invention is provided with two keypads used for data communication, and the keypad has the same keyboard layout as that of the computer keyboard.

Therefore, the user can use both hands for data input, so that the data input work can be done quickly and efficiently, and when inputting data, it is possible to input data with more various contents than before. It can reduce the effect.

Claims (4)

A keypad for calling used in a call; At least two data communication keypads, which are installed under the call keypad to the rear side of the terminal body and are used to input text information; And at least one of the keypads is fixedly installed on the terminal body, and the other two or more keypads are slidably or foldable from the terminal body. The keypad of claim 1, wherein each keypad that is slidably or foldable is installed in a keypad mounting frame, and below the keypad, the keypad mounting frame senses an on / off signal by operating a button provided on the keypad. A portable information processing terminal provided with a board for outputting to a processor of a printed circuit board provided inside the body. The keypad of claim 1 or 2, wherein the slidably or foldable keypad includes a keypad for communication and a first keypad for data communication installed below the telephone keypad, the keypad being fixed to the terminal body. Is a portable information processing terminal including a second data communication keypad installed below the first data communication keypad. 4. The portable information processing terminal according to claim 3, wherein the first and second data communication keypads are provided with character keyboards in the same arrangement as the keyboard layout provided in the keyboard of the personal computer.