JP2002101171A - Radio information terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radio information terminal device of simple constitution which can regenerate an audio signal of two channels. SOLUTION: In this radio information terminal device, a casing 1 capable of folding can be raised independently on a horizontal surface, in a state that a body case 11 and a lid case 12 are opened, the one case 11 is put on the left side, and the other case 12 is put on the right side. Speakers 4, 5 which are positioned in the right end portion and in the left end portion, respectively, in the opened state are arranged in the case 11 and the case 12. In the case of speaking mode wherein speaking is performed by radio communication, the speaker 4 on the lid side functions as an earphone part. In the case of audio mode wherein the audio signal is regenerated, the lid side speaker 4 and the body side speaker 5 function as a pair of speakers.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless information terminal in which operation keys and a display are provided in a small foldable casing, such as a foldable portable telephone.

[0002]

2. Description of the Related Art Conventionally, in a foldable portable telephone, a base end of a lid case is pivotally supported on an upper end of a main body case, and a plurality of operation keys for data input are provided on an inner surface of the main body case. At the same time, a display for displaying information is provided on the inner surface of the lid case to increase the size of the display.

According to such a foldable mobile phone,
Various types of information, such as text information of received e-mails and image information downloaded via the Internet, can be simultaneously displayed on the screen of a large display, and the function of a mobile phone as a wireless information terminal in recent years can be enhanced.

[0004] In recent years, in mobile phones,
It has a function of receiving audio data distributed via the Internet and storing it in a built-in memory card. By using this function, a memory card storing audio data is loaded into an audio device to reproduce an audio signal. It has become possible.

[0005]

However, in order to receive and reproduce audio data distributed through the Internet, there has been an inconvenience that not only a portable telephone but also an audio device having a speaker is required. If it is assumed that music is reproduced only by the mobile phone, the mobile phone only has a speaker for receiving. Therefore, a two-channel audio signal including a right channel audio signal and a left channel audio signal is transmitted. It cannot be played in stereo.

An object of the present invention is to provide a wireless information terminal having a simple configuration capable of reproducing a two-channel audio signal.

[0007]

SUMMARY OF THE INVENTION A wireless information terminal according to the present invention is an openable / closable small-sized wireless terminal constructed by pivotally supporting a base end of a lid case (12) on an upper end of a main body case (11). Casing
In (1), a plurality of operation keys (13) for inputting data and a display (14) for displaying information are provided. The casing (1) is to be free standing on a horizontal plane with the main case (11) and the lid case (12) opened and one case (11) arranged on the left and the other case (12) arranged on the right. The main body case (11) and the lid body case (12) are provided with speakers (4) and (5) located at both left and right ends in an open state, and in a call mode for making a call by wireless communication, In the audio mode in which the lid speaker 4 functions as a receiver and reproduces an audio signal, the lid speaker 4
(4) and the main body side speaker (5) function as a pair of speakers.

[0008] In the wireless information terminal of the present invention,
When making a call by wireless communication, the casing
With (1) opened, the lid-side speaker (4) functions as a receiver. In this case, the operation keys (13) can be used for inputting data such as telephone numbers, and the display (14) can be used for displaying information. On the other hand, when reproducing an audio signal, the casing (1) is opened and both cases (11)
Place (12) on the left and right, and stand on a desk. Then, for example, the main body side speaker (5) functions as a left channel speaker, and the lid body side speaker (4) functions as a right channel speaker. Here, the left and right speakers (4) and (5) are located at both ends of the main body case (11) and the lid body case (12) in the open state and are separated from each other by a maximum, so that a sufficient stereo effect is obtained. Can be obtained.

In a specific configuration, the side surfaces (10) and (10) of the two cases to be grounded when the main body case (11) and the lid body case (12) are opened and self-standing are 90 ° with respect to the pivots of the two cases.
When the main body case (11) and the lid case (12) are opened and made independent, the pair of speakers (4) and (5) arranged in both cases have the inclination angle With an angle of elevation according to Accordingly, sound waves radiated from the pair of speakers 4 and 5 spread throughout the space where the wireless information terminal is installed, and a good acoustic effect is obtained.

[0010]

According to the wireless information terminal of the present invention,
It is possible to realize two functions of a call mode and an audio mode. In the audio mode, the lid side speaker (4) and the main body side speaker (5) function as a pair of speakers, and a two-channel audio signal is provided. Can be played. Here, the lid side speaker (4) functions as a receiver in the call mode, and the speaker is used in both the call mode and the audio mode, so that the configuration is simple.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention applied to a mobile phone will be specifically described below with reference to the drawings. As shown in FIGS. 1 (a) and 1 (b), a mobile phone according to the present invention includes a flat small casing (1) including an openable / closable main body case (11) and a lid case (12). The upper end of (11) and the base end of the lid case (12) are connected to each other by a hinge mechanism (2). The lid case (12) has an antenna
(3) is protruding.

On the inner surface of the main body case (11), there are provided a plurality of operation keys (13) including a numeric keypad, and a microphone serving as a transmitting section.
(6) and a main body side speaker (5) are provided. On the other hand, on the inner surface of the lid case (12), a display (14) composed of a liquid crystal display panel for displaying information and a lid-side speaker (4) are provided. Here, the lid side speaker
(4) is arranged at the upper end of the lid case (12), and the main body side speaker (5) and the microphone (6) are arranged at the lower end of the main body case (11). A slot (15) is provided on the side surface of the main body case (11), and a memory card (8) can be loaded into the case from the slot (15).

As shown in FIG. 1 (b), the casing (1) opens the main body case (11) and the lid body case (12) at an angle slightly smaller than 180 degrees, and connects the side surfaces (10) and (10). It is possible to stand on a horizontal plane in a state where it faces downward. As a result, the main-unit-side speaker (5) and the lid-side speaker (4) are arranged left and right with maximum separation.

The casing (1) is, as shown in FIG. 1 (a), a hinge mechanism for the main body case (11) and the lid case (12).
The width B of the opposite end is larger than the width A of the end on the side (2), so that one side surface (10) (10) of the two cases (11) (12) is hinged. 90 ° to the axis of mechanism (2)
It is formed with a larger inclination angle. Therefore, FIG.
When the casing (1) is placed on a horizontal plane as shown in FIG. 1, the pivot of the hinge mechanism (2) is inclined rearward at an angle θ smaller than 90 ° with respect to the horizontal plane, and the main body case (1) is tilted.
1) and the lid case (12) are also inclined slightly rearward, and as a result, a pair of speakers (4) arranged in both cases (11) and (12).
(5) turns obliquely upward at an elevation angle corresponding to the inclination angle θ.

As shown in FIG. 3, a display (14), a main body speaker (5), a lid body speaker (4) and a microphone
The operation of (6) is controlled by the control circuit (7),
In response to a mode selection command input by operating the operation keys (13), a call mode for operating the display (14), the lid speaker (4), and the microphone (6), and the main body speaker (5) and the lid An audio mode for operating the body-side speaker (4) can be set.

In the call mode, a call can be made using the lid side speaker (4) as a receiver and the microphone (6) as a transmitter as in the case of a conventional foldable portable telephone. Also, stereo audio data distributed via the Internet can be received and stored in the memory card (8).

On the other hand, in the audio mode, the main body speaker (5) functions as a left channel speaker and the lid speaker (4) functions as a right channel speaker, so that the stereo audio data stored in the memory card (8) is stored. Data can be reproduced in stereo.
The control circuit (7) includes a signal processing circuit and an amplifier for generating drive signals for the speakers (4) and (5) based on stereo audio data. In the audio mode, as shown in FIG.
(4) Since (5) faces diagonally upward, a pair of speakers
(4) The sound wave emitted from (5) is emitted obliquely upward and spreads throughout the space. Thereby, a good acoustic effect is obtained.

According to the above-mentioned portable telephone, it is possible to realize two functions of a call mode and an audio mode. In the audio mode, the lid side speaker (4) and the main body side speaker (5) have a pair of left and right sides. It can function as a speaker and reproduce two-channel stereo audio signals. Here, the lid-side speaker (4) functions as a receiver in the call mode, and the speaker is used in both the call mode and the audio mode. Therefore, the configuration is simpler than when a pair of speakers is dedicated to the audio mode. Become.

In the audio mode shown in FIG. 1B, for example, a speaker (4) is provided on the display (14).
It is possible to display the lyrics of the music emitted from (5). In this case, the orientation of the image displayed on the display (14) is reversed by 90 ° from the call mode so that the image is normally displayed with the display (14) oriented horizontally as shown in FIG. 1 (b).

If a TV tuner is built in the casing (1), a TV broadcast image is displayed on the display (14) in the audio mode shown in FIG. 1B, and at the same time, a pair of speakers (4) ( It is possible to output TV broadcast sound from 5).

[Brief description of the drawings]

FIG. 1 is a perspective view showing a closed state and an opened state of a main body case and a lid case in a mobile phone according to the present invention.

FIG. 2 is a side view of a state in which a main body case and a lid body case are opened and installed on a horizontal surface.

FIG. 3 is a block diagram showing a control system of the mobile phone.

[Explanation of symbols]

 (1) Casing (11) Main body case (12) Lid case (13) Operation keys (14) Display (15) Slot (2) Hinge mechanism (4) Lid speaker on lid (5) Speaker on main body (6) Microphone ( 8) Memory card

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4E360 AB02 AB12 AB17 AB18 AB20 AB42 ED03 ED27 GA06 GA60 GB26 5K011 AA03 JA01 KA01 5K023 DD06 DD08 EE02 EE07 EE12 GG03 HH07 LL06 LL07 MM14 5K067 BB04 EE02 KK17 FF04

Claims (2)

[Claims] A lid case (1) is provided at an upper end of a main body case (11).
A plurality of operation keys (13) for data input are provided on a small openable / closable casing (1) formed by pivotally supporting the base end of (2).
And a display (14) for displaying information, the casing (1) has a casing (1).
1) and lid case (12), open one case (11) on the left,
With the other case (12) arranged on the right side, it is possible to stand on a horizontal plane, and the main case (11) and the lid case (12) have the speakers located at both left and right ends in the open state. (4) In the call mode in which (5) is provided and a telephone call is made by wireless communication, the lid speaker (4) functions as a receiver, and in the audio mode for reproducing an audio signal, the lid speaker (4) and the main body. A wireless information terminal, wherein the side speaker (5) functions as a pair of speakers. 2. Side surfaces (10) (1) of both cases to be grounded when the main body case (11) and the lid case (12) are opened and self-standing.
0) has an inclination angle of more than 90 ° with respect to the pivot of both cases, and when the main body case (11) and the lid case (12) are opened and made independent, a pair of The wireless information terminal according to claim 1, wherein the speakers (4) and (5) face obliquely upward with an elevation angle corresponding to the inclination angle.