JP2007036636A - Portable telephone terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a portable telephone terminal which can improve the convenience of a display unit. <P>SOLUTION: A folding portable telephone terminal, with an upper side cabinet 1 and a lower side cabinet 2 which are connected movably to open and close making a hinge 8 a center, is respectively provided with display units 3, 4 on the front and the rear face of the upper side cabinet 1, and is simultaneously provided with a display unit 10 also on the rear face of the lower side cabinet 2. Accordingly, in a state with the folding-type portable telephone terminal folded, a user can visually recognize the display unit 4 of the upper side cabinet 1 and the display unit 10 of the lower side cabinet 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile phone terminal, and more particularly to a foldable mobile phone terminal having a display unit on the front and back surfaces of an upper casing.

  As a foldable mobile phone terminal composed of an upper casing and a lower casing that are connected to be able to be opened and closed around a hinge portion, there is a foldable mobile phone terminal that has a display unit on the front and back surfaces of the upper casing. . In such a mobile phone terminal, the user confirms the display contents even in the closed state by displaying various types of information on the display unit provided on the back surface of the upper case in the folded state (closed state). Can improve convenience.

  Patent Documents 1 and 2 describe a mobile phone terminal provided with three display units for enlarging the display screen.

JP 2001-175609 A JP 2001-237933 A

  When the above-described folding mobile phone terminal is placed on a desk or the like in a folded state, the user should check the display unit provided on the back of the upper casing if the terminal is placed with the upper casing up. However, when the terminal is placed with the lower casing up, the display unit provided on the back surface of the upper casing faces the desk, and the user cannot check the display content. Therefore, when placing the mobile phone terminal on a desk or the like, the user has to be careful about the orientation of the mobile phone terminal, which is inconvenient.

  Also, many recent foldable mobile phone terminals have a camera function. In a terminal that can shoot a camera while projecting a subject on the display unit provided on the back surface of the upper housing in a folded state, the camera needs to be mounted in the lower housing. When shooting with the camera open, the user needs to hold the lower side of the lower case so that the camera lens does not get a hand holding the terminal. Met.

  For mobile phone terminals with a camera mounted on the upper housing, there is no problem in operability, such as when the camera lens is touched when shooting with the housing open, but the camera is folded. When shooting with the camera in the state, since there was no display unit in the lower housing, it was not possible to shoot while projecting the subject on the display unit.

  Note that the mobile phone terminals described in Patent Documents 1 and 2 are provided with three display units for enlarging the display screen. Like the above-described foldable mobile phone terminal, the user selects the mobile phone terminal. When placing it on a desk, you must be careful about the orientation.

  An object of the present invention is to provide a mobile phone terminal capable of improving the convenience of a display unit.

  The mobile phone terminal according to the present invention includes first and second casings that are connected to each other so as to be openable and closable around a hinge portion, and the first casing is in a closed state of the first and second casings. A foldable mobile phone terminal having a first display portion on the surface facing the second housing and a second display portion on the back surface, wherein a third display is provided on the back surface of the second housing. A display unit is provided.

  In the mobile phone terminal, in response to the opening / closing detection means for detecting opening / closing of the first and second casings, and the detection of the closed state of the first and second casings by the opening / closing detection means, And control means for displaying information on one of the second and third display portions and turning off the other.

  The mobile phone terminal includes an optical sensor unit for detecting brightness around the terminal on the same surface as the surface on which the one is provided, and the control means is in a closed state of the first and second housings. When the brightness level detected by the optical sensor unit is smaller than a predetermined threshold level, the one is turned off and information is displayed on the other.

  In the mobile phone terminal, the control unit switches the display of the second and third display units in response to a predetermined user operation in a closed state of the first and second housings. To do.

  The mobile phone terminal includes a camera unit on the same surface as the second display unit, and the control unit is activated when the first and second housings are closed. Then, the image from the camera unit is displayed on the third display unit.

  As described above, in the present invention, the foldable mobile phone terminal having the first and second casings that are connected to each other so as to be openable and closable around the hinge portion is provided with display portions on the front and back surfaces of the first casing, respectively. In addition, a display unit is also provided on the back surface of the second housing. Therefore, in a state where the foldable mobile phone terminal according to the present invention is folded, the user can visually recognize the display unit on the back surface of the first housing and the display unit on the back surface of the second housing.

  According to the present invention, a foldable mobile phone having first and second housings that are connected to each other so as to be openable and closable around a hinge portion, and having display portions on the front and back surfaces of the first housing, respectively. In the terminal, since the display unit is also provided on the back surface of the second casing, when the cellular phone terminal is placed on a desk or the like in a folded state, either the first casing or the second casing is used. Even if the mobile phone is placed on the top, the user can visually recognize the display unit, and there is no need to worry about the orientation when placing the mobile phone terminal on a desk or the like, which can improve convenience. An effect is obtained.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a diagram showing an external appearance of a mobile phone terminal according to an embodiment of the present invention in a state in which a housing is opened, (a) is a view of the mobile phone terminal as viewed from the front, and (b) is a mobile phone. It is the figure which looked at the terminal from the side, and (c) is the figure which looked at the cellular phone terminal from the back. 2 is a diagram showing an appearance of the cellular phone terminal of FIG. 1 in a closed state, (a) is a diagram of the cellular phone terminal viewed from the upper casing side, and (b) is a mobile phone. It is the figure which looked at the telephone terminal from the side, (c) is the figure which looked at the mobile telephone terminal from the lower housing | casing side.

  As shown in FIGS. 1 and 2, the mobile phone terminal according to the embodiment of the present invention is a foldable type in which an upper housing 1 and a lower housing 2 are connected by a hinge portion 8 and can be opened and closed around the hinge portion 8. It is a mobile phone terminal. As shown in FIG. 1A, the first display unit 3, the receiver unit 7, and the magnet 14 are provided on the front side of the upper casing 1 (the surface facing the lower casing 2 in a folded state). As shown in FIG. 1C, a camera unit 6, an optical sensor 5, and a second display unit 4 are provided on the back side (back side) of the upper housing 1. Further, as shown in FIG. 1A, on the front side of the lower housing 2 (the surface facing the upper housing 1 in a folded state), there are an operation unit 11, a transmitter unit 12, a magnetic sensor 16, and As shown in FIG. 1 (c), a battery unit 9 and a third display unit 10 are provided on the back side (back side) of the lower housing 2, as shown in FIG. 1 (b). A side key 13 is provided on the side surface of the lower housing 2.

  FIG. 3 is a block diagram showing the configuration of the mobile phone terminal according to the embodiment of the present invention. As shown in FIG. 3, the 1st display part 3, the camera part 6, the 2nd display part 4, the optical sensor 5, the operation part 11, the side key 13, the 3rd display part 10, and the magnetic sensor 16 are control parts. 15 is connected. The magnet 14 of the upper housing 1 and the magnetic sensor 16 of the lower housing 2 are open / close detection means for detecting opening / closing of the upper housing 1 and the lower housing 2. In FIG. 3, the receiver 7, transmitter 12, and battery unit 9 shown in FIGS. 1 and 2 are not directly related to the present invention, and are not shown.

  As shown in FIG. 1, the magnetic sensor 16 detects an open state in a state where the casing of the mobile phone terminal is opened. In response to the detection of the open state by the magnetic sensor 16, the control unit 15 displays various information on the first display unit 3 (see FIG. 1A). At this time, the second display unit 4 and the third display unit 10 are turned off by the control unit 15 (see FIG. 1C).

  As shown in FIG. 2, the magnetic sensor 16 detects the closed state when the casing of the mobile phone terminal is closed. In response to the detection of the closed state by the magnetic sensor 16, the control unit 15 displays various information on the second display unit 4 (see FIG. 2A). At this time, the 1st display part 3 is turned off by the control part 15, and the 3rd display part 10 is also turned off by the control part 15 (refer FIG.2 (c)).

  FIG. 4 is a diagram showing a state where the mobile phone terminal is placed on the desk 20 with the lower housing 2 of the mobile phone terminal according to the embodiment of the present invention, and FIG. It is the figure seen from (b), and the figure which looked at the mobile telephone terminal from the side. FIG. 5 is a diagram showing a state where the mobile phone terminal is placed on the desk 20 with the upper housing 1 of the mobile phone terminal according to the embodiment of the present invention, and FIG. It is the figure seen from the housing | casing side, (b) is the figure which looked at the mobile telephone terminal from the side.

  As shown in FIG. 4, when the cellular phone terminal is folded and placed on the desk 20 with the lower housing 2 facing down, the second display unit 4 remains in a state where various information is displayed ( (See FIG. 4 (a)). Next, as shown in FIG. 5, when the mobile phone terminal is folded and placed on the desk 20 with the upper housing 1 facing down, the optical sensor 5 detects that light has been blocked on the lower side. That is, when it is determined that the brightness level detected by the optical sensor 5 is lower than a predetermined threshold level and the light is blocked, the control unit 15 displays various information on the third display unit 10 (FIG. 5 (a)). At this time, the display of the second display unit 4 is turned off by the control unit 15.

  As described above, the foldable mobile phone terminal according to the embodiment of the present invention includes the three display units 3, 4 and 10, and when the terminal is placed on a desk or the like with the casing closed, When the upper housing 1 is placed on the upper side, the information is displayed on the second display unit 4, and when the lower housing 2 is placed on the upper side, the detection result of the optical sensor 5 is used. The information is displayed on the third display unit 10 and the display on the second display unit 4 is turned off. As described above, since various types of information are displayed on the upper display unit regardless of which side of the upper housing 1 or the lower housing 2 of the mobile phone terminal is placed, the user is directed to place the terminal, etc. Therefore, convenience can be improved.

  In the embodiment of the present invention, the user may be able to switch the display of the second display unit 4 and the third display unit 10 by pressing the side key 13, for example.

  That is, as shown in FIG. 2, when the user presses the side key 13 in a state where only the second display unit 4 displays various information with the casing of the mobile phone terminal closed, the control unit In response to pressing of the side key 13, 15 turns off the display of the second display unit 4 and causes the third display unit 10 to display various information. The state at this time is shown in FIG. 6 is a view showing the appearance of the mobile phone terminal when the side key 13 is pressed in the state of FIG. 2, and (a) is a view of the mobile phone terminal as viewed from the upper housing side. ) Is a view of the mobile phone terminal as seen from the side, and (c) is a view of the mobile phone terminal as seen from the lower housing side.

  In this case, if the side key 13 is pressed again, the display of the third display unit 10 is turned off under the control of the control unit 15 and the display is switched to the second display unit 4 as a matter of course.

  Further, in the mobile phone terminal according to the embodiment of the present invention, since the third display unit 10 is provided in the lower housing 2, the mobile phone terminal is provided in the upper housing 1 with the housing of the mobile phone terminal closed. Even when shooting is performed using the camera unit 6, the user can perform shooting while confirming an image from the camera unit 6.

  FIG. 7 is a diagram showing a state in which shooting is performed using the camera unit 6 with the casing of the mobile phone terminal according to the embodiment of the present invention closed. First, when the camera unit 6 is activated with the casing of the mobile phone terminal closed, the control unit 15 turns on the third display unit 10 to display an image from the camera unit 6 as shown in FIG. It is displayed on the third display unit 10. Therefore, the user can take a picture while confirming the subject 30 on the third display unit 10. In this case, the side key 13 may be used as a shutter key for camera photography.

  Conventional mobile phone terminals are generally provided with one or two display units, and a camera that can be photographed with the case of the mobile phone terminal closed is a lower case. In some cases, the subject is photographed on a display unit on the back side of the upper housing. In addition, there is a type in which a rotating hinge structure or a biaxial hinge structure is adopted for the hinge portion and the subject is photographed on the display portion on the front side of the upper housing. Since the mobile phone terminal according to the embodiment of the present invention includes the third display unit 10 on the back side of the lower housing 2, the camera 6 is mounted on the upper housing 1 and a normal folding hinge 8 is employed. Even so, when taking a picture with the mobile phone terminal closed, the subject should be shown on the third display unit 10 mounted on the lower case 2 as described above. Can do.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the external appearance in the state which opened the housing | casing of the mobile telephone terminal by the Example of this invention, (a) is the figure which looked at the mobile telephone terminal from the front, (b) is a side view of a mobile telephone terminal. (C) is the figure which looked at the mobile telephone terminal from the back. It is a figure which shows the external appearance in the state which closed the housing | casing of the mobile telephone terminal of FIG. 1, (a) is the figure which looked at the mobile telephone terminal from the upper housing side, (b) is a mobile telephone terminal from the side. It is the figure which was seen, (c) is the figure which looked at the mobile telephone terminal from the lower housing | casing side. It is a block diagram which shows the structure of the mobile telephone terminal of FIG. It is a figure which shows the state at the time of placing the terminal on the desk with the lower housing of the mobile phone terminal according to the embodiment of the present invention, and (a) is a view of the mobile phone terminal viewed from the upper housing side. And (b) is a view of the mobile phone terminal as seen from the side. It is a figure which shows the state at the time of placing a terminal on a desk with the upper side housing | casing of the mobile phone terminal by the side of the Example by this invention, (a) is the figure which looked at the mobile phone terminal from the lower case side. And (b) is a view of the mobile phone terminal as seen from the side. FIG. 3 is a diagram illustrating an appearance of a mobile phone terminal when a side key is pressed in the state of FIG. 2, (a) is a view of the mobile phone terminal viewed from the upper housing side, and (b) is a view of the mobile phone terminal. It is the figure seen from the side, (c) is the figure which looked at the mobile telephone terminal from the lower housing | casing side. It is a figure which shows the state in the case of image | photographing using a camera part in the state which closed the housing | casing of the mobile telephone terminal by the Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Upper housing | casing 2 Lower housing | casing 3 1st display part 4 2nd display part 5 Optical sensor 6 Camera part 7 Reception part 8 Hinge part 9 Battery part 10 3rd display part 11 Operation part 12 Transmission part 13 Side key 14 Magnet 15 Control unit 16 Magnetic sensor 20 Desk 30 Subject

Claims (5)

A first housing and a second housing connected to each other so as to be openable and closable around a hinge portion, wherein the first housing and the second housing in a closed state of the first and second housings; A foldable mobile phone terminal having a first display portion on the front surface and a second display portion on the back surface,
A mobile phone terminal comprising a third display portion on a back surface of the second casing.   Open / close detection means for detecting opening / closing of the first and second housings, and in response to detection of the closed state of the first and second housings by the opening / closing detection means, the second and third 2. The mobile phone terminal according to claim 1, further comprising control means for displaying information on one of the display units and turning off the other.   An optical sensor unit that detects brightness around the terminal is provided on the same surface as the surface on which the one is provided, and the control means is detected by the optical sensor unit in the closed state of the first and second housings. 3. The mobile phone terminal according to claim 2, wherein when the brightness level to be applied is smaller than a predetermined threshold level, the one is turned off and the information is displayed on the other.   The said control means switches the display of the said 2nd and 3rd display part in response to predetermined | prescribed user operation in the closed state of the said 1st and 2nd housing | casing. The mobile phone terminal described.   The camera unit is provided on the same surface as the surface on which the second display unit is provided, and the control unit is configured to activate the camera when the camera unit is activated in a closed state of the first and second housings. The mobile phone terminal according to any one of claims 2 to 4, wherein an image from a display unit is displayed on the third display unit.

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