JP2001313700A - Portable electronic appliance of folding type - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve visibility and convenience compared with a conventional system where displayed information is lost from sight at a moment when opening/closing a casing. SOLUTION: This appliance is provided with an inner LCD 51 provided on an inner folding surface at the folding casing 10 in a closed state, an outer LCD 53 provided on a side opposite to the inner folding surface in the closed state, an opened/closed state detecting switch 51 and a covered state detecting switch 53 for detecting the opened/closed state of the casing 10, and a CPU for controlling display so as to display information of the same content on an inner LCD 22 and an outer LCD 32 for only a prescribed period on the basis of the detection result of the switch 51 and the switch 53.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable portable electronic device having a foldable folding housing.

More specifically, control means is provided in a folding housing having a first display portion on the inner folding surface in the closed state and a second display portion on the opposite side of the inner folding surface, and the opening and closing of the folding housing is provided. The first display unit and the second display unit display the same information for a predetermined period based on the detection result of the state detection unit that detects the state.
The control means controls the display so as to display the information on the display unit and the display unit, thereby improving the visibility of information and the convenience of the electronic device as compared with the conventional method.

[0003]

2. Description of the Related Art In recent years, foldable portable electronic devices, which can be reduced in size by folding, have gained popularity. A foldable portable telephone device or the like, which is an example of the foldable portable electronic device, is configured such that its housing is foldable. Then, the operability can be improved by opening the housing to an open state during use, and the portability can be improved by folding the housing to a closed state when not in use (during storage). Has been made.

Here, in a foldable portable telephone device as a foldable portable electronic device according to a conventional system, for example, a first body and a second body having a rectangular shape are hinged or the like, and they are mutually facing. Has a folding housing connected to be foldable in opposition. An operation key group for inputting a telephone number, control information, and the like is provided on a front surface of the second housing. A liquid crystal display (Liquid Crystal D)
isplay; hereinafter, LCD. ) Is provided, and information input or received by the operation key group is displayed on the LCD on the front of the first housing.

An LCD is also provided on the back of the first housing, and various information is displayed on the LCD on the back of the first housing. Further, the folding housing is provided with a switch mechanism that is turned on when the case is folded, and a control unit that is electrically connected to the switch mechanism. This control unit performs control to display information on the LCD on the front of the first housing while the switch mechanism is on, and to display information on the LCD on the back of the first housing while the switch mechanism is off. .

Thus, when the first housing is open with respect to the second housing, the switch mechanism is turned off, and information is displayed on the LCD in front of the first housing. When the first housing is closed with respect to the second housing, the switch mechanism is turned on and information is displayed on the LCD on the back of the first housing. In this way, the user can check information not only when the folding housing is opened but also when the folding housing is folded.

[0007]

However, the conventional foldable portable electronic device has the following problems.

When the first housing is shifted from the closed state to the open state with respect to the second housing, the first housing is moved from the LCD on the back of the first housing to the first housing.
Since the display information can be instantaneously switched to the LCD on the front of the housing, the first information can be viewed by a user (user).
Until the LCD on the front of the housing is exposed, the displayed information is lost.

While the first housing is shifted from the open state to the closed state with respect to the second housing, the information is displayed only on the LCD in front of the first housing. As a result, the LCD on the front of the first housing starts to be covered with the second housing, and from when the user cannot see the LCD on the front of the first housing until the first housing is completely closed. , The user loses sight of the displayed information.

[0010] This causes a problem that the visibility of information and the convenience of the electronic device are not improved.

The present invention has been made in order to solve the above-mentioned problems, and has improved visibility and convenience compared to a conventional system in which information displayed at the time of opening / closing a casing is lost for a moment. An object of the present invention is to provide a foldable portable electronic device that can be used.

[0012]

SUMMARY OF THE INVENTION An object of the present invention is to provide a foldable portable electronic device having a foldable foldable housing, a first display provided on an inner folding surface of the closed foldable housing. Unit, a second display unit provided on the opposite side of the inner folded surface in the closed state, state detecting means for detecting the open / close state of the folding housing, and a predetermined period based on the detection result of the state detecting means. The problem is solved by a foldable portable electronic device comprising: control means for performing display control so as to display the same information on the first display unit and the second display unit.

According to the present invention, the first display portion is provided on the inner folding surface of the closed folding case, and the second display portion is provided on the opposite side of the inner folding surface. Then, the open / close state of the folding housing is detected by the state detecting means, and based on the detection result of the state detecting means, the same information is displayed on the first display unit and the second display unit for a predetermined period. The display control is performed by the control means in such a manner as to perform the above. Thus, even if one of the display units on which the information is displayed is covered with the opening and closing of the folding housing, the information can be continuously viewed on the other display unit. The folding housing can be opened and closed without losing the information obtained.

Therefore, there is provided a foldable portable electronic device in which the visibility of information and the convenience of the electronic device are improved as compared with the conventional system in which the displayed information is lost for a moment when the housing is opened and closed. can do.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a foldable portable electronic device according to the present invention will be described in detail with reference to the drawings.

(First Embodiment) FIG. 1 shows a first embodiment according to the present invention.
1 is a perspective view illustrating a configuration example of a foldable portable electronic device as an embodiment. In this embodiment, control means is provided on a folding housing having a first display unit on the inner folding surface in the closed state and a second display unit on the opposite side of the inner folding surface,
The control unit controls the display so that the same information is displayed on the first display unit and the second display unit for a predetermined period based on the detection result of the state detection unit detecting the open / close state of the folding housing. By doing so, the visibility of information and the convenience of the electronic device can be improved as compared with the conventional method.

[0017] A foldable portable electronic device according to the present invention comprises:
A foldable portable telephone device 1 shown in FIG. 1 which is extremely suitable to be applied to, for example, a portable communication terminal device having a foldable housing.
00. The foldable portable telephone device 100 has not only a telephone call function but also an Internet use function and a music reproduction function. The foldable mobile phone device 100 has an openable / closable foldable case 10, and the foldable case 10 includes a first case 21, a second case 31, and a hinge 11.

The first casing 21 and the second casing 31 have substantially the same rectangular shape, and the lower end in the longitudinal direction of the first casing 21 and the upper end in the longitudinal direction of the second casing 31 are formed. It is rotatably connected by a hinge 11. Thus the first
The housing 21 and the second housing 31 are foldable with their fronts facing each other. Here, the opening / closing angle θ between the first housing 21 and the second housing 31 is, for example, 0 ≦ θ ≦ 150.
It is designed to be about [°].

An operation key group 33 is provided on the front of the second housing 31. The operation keys 33 include, for example, a call key for instructing a call or answering an incoming call, an end key for ending a call, a telephone directory key for searching telephone directory data, a telephone number and a character. , A key for a music playback function, a jog pointer for moving a cursor, scrolling a screen, and the like when using the Internet. Operation key group 33
A microphone 34 is provided on the housing surface near the lower part of the housing, and is used to input a voice uttered by the user.

An inner LCD 22, which is a liquid crystal display, is provided on the front surface of the first housing 21, and is covered by the second housing 31 when the folding housing 10 is in a closed state. . On the inner LCD 22, various information such as a telephone number, telephone directory data, a received image, a remaining battery power, and an electric field strength display input by the operation key group 33 are displayed.

In addition, for example, a group of information related to music is displayed on the inner LCD 22. The music-related information group includes a plurality of pieces of information such as information related to music reproduction (reproduction time, operation state, music title, and the like) and images related to the music. The information group displayed on the inner LCD 22 is hereinafter referred to as general information. The inner LCD 22 has, for example, 10
A large-sized LCD capable of displaying 0 characters is used. A speaker 2 is provided on the housing surface near the upper side of the inner LCD 22.
3 is provided, and is used, for example, to externally output the voice of the other party during a call. An extendable antenna 25 is provided at the upper end of the first housing 21, and this antenna 25 is used for performing transmission and reception with a base station or the like (not shown).

An outer LC is provided on the back of the first housing 21.
D32 is provided. This allows the user (user) to hold the inner LCD 22 of the first housing 21 when the first housing 21 is in the open state with respect to the second housing 31 and the outside LCD 22 of the first housing 21 when in the closed state. The LCD 32 can be viewed without changing the viewpoint. On the outer LCD 32, selection information which is a part of the total information displayed on the inner LCD 22 is displayed. This selection information is, for example, information on the music playback time and the telephone number of the received destination. Therefore, an LCD smaller in size than the inner LCD 22 can be used as the outer LCD 32.

The selection information displayed on the outer LCD 32 can be arbitrarily selected in advance by operating a 3D jog dial 26 provided on the side surface of the first housing 21. The 3D jog dial 26 can be rotated, pushed in the direction of the first housing 21, and moved to the first housing 2.
Push operation in the back direction of 1 is possible, for example, 3
By rotating the D jog dial 26, the selection information can be switched from the playback time to the song title, or the information content can be scrolled. Of course, this 3D jog dial 2
6 may be provided with the same functions as the telephone book key, the call key, and the selection determination key of the operation key group 33, or the selection information may be set by the operation key group 33.

A push-down open / closed state detection switch 51 is provided near the upper end on the front of the first housing 21, and a projection is provided on the front of the second housing 31 opposed to the open / closed state detection switch 51. The part 52 is provided in a protruding manner. The open / closed state detection switch 51 employs an off-contact type, and is pressed by the projection 52 to turn on when the first housing 21 is in a closed state with respect to the second housing 31. Further, a magnetic covering state detection switch 53 is embedded in the front of the first housing 21 near the hinge portion 11, and a magnet 54 is provided in the front of the second housing 31 opposed to the covering state detection switch 53. Is provided.

The covering state detecting switch 53 also employs an off-contact type. The covering state detection switch 53 is
When the user looks at the inner LCD 22 facing the front of the second housing 31 in the open state, the inner LCD 22 becomes invisible due to the transition of the first housing 21 to the closed state. It is turned on by the magnet 54 when ≦ 90 [°]. The open / closed state detection switch 51 and the cover state detection switch 53 are the second
CPU (Central Processes not shown) provided in the housing
sing unit) and this CPU is connected to the inner LC
D22 and the information displayed on the outer LCD 32 are switched and controlled.

In this embodiment, the open / closed state detection switch 51 and the magnet type cover state detection switch 53 detect the open / closed state of the first housing 21 and the second housing 31. However, the present invention is not limited to this. What is necessary is just what has the same effect instead of being performed. For example, a rotation detection switch for detecting the rotation angle of the second housing 31 with respect to the first housing 21 may be provided inside the hinge portion 11 to detect the open / closed state. Although not shown here, an audio reproducing device, a transmitting / receiving device, and the like are also provided inside the folding housing 10.

FIG. 2 is a block diagram showing a configuration example of the control system 150 in the foldable portable telephone device 100.
As shown in FIG. 2, the control system 150 includes a CPU 40, an inner LCD 22, an outer LCD 32, an open / closed state detection switch 51, a covering state detection switch 53, and a RAM (Random A).
ccess Memory) 60. The CPU 40 includes an inner LCD 22, an outer LCD 32, and an open / closed state detection switch 5.
1. The coating state detection switch 53 and the RAM 60 are connected.

The CPU 40 includes an open / closed state detection switch 5
1 and the open / close state of the folding housing 10 based on the on / off state of the cover state detecting switch 53, and the inner LCD 2
The information displayed on the second and outer LCDs 32 is switched and controlled. When the open / closed state detection switch 51 is turned on, the CPU 40 determines that the open / close angle θ of the folding housing 10 is zero.
When [°] is recognized, control is performed so that information is displayed on the outer LCD 32. When the open / closed state detection switch 51 is off, the CPU 40 recognizes that the open / close angle θ> 0 [°] and controls the information to be displayed on the inner LCD 22. The CPU 40 performs such control as basic switching control, and performs the following interrupt control in addition to the basic switching control.

The CPU 40 has an open / closed state detection switch 5
1 or a timer function that operates based on the ON / OFF of the covering state detection switch 53. When this timer function is activated, information is displayed on the inner LCD 22 and the outer LCD 32 for a predetermined time (for example, 3 [sec] or the like). To control. When the open / closed state detection switch 51 is switched from on to off, the CPU 40 operates a timer function to control the inner LCD 22 and the outer LCD 32 to display information for a predetermined time.

When the cover state detection switch 53 is turned on from off, the CPU 40 activates a timer function to control the inner LCD 22 and the outer LCD 32 to display information for a predetermined time. And the CPU 40
After the timer expires, the basic switching control described above is performed based on ON / OFF of the open / closed state detection switch 51 and the covering state detection switch 53.

Further, the CPU 40 stores the general information (for example, music-related information group) displayed on the inner LCD 22 in the RAM 6.
It is stored at 0 at any time. In the CPU 40, the inside L
When switching information from the CD 22 to the outer LCD 32, control is performed such that predetermined selection information (for example, information on music playback time) previously selected by the user from the stored general information is displayed on the outer LCD 32. .
At this time, the comprehensive information stored in the RAM 60 is outside L
The information is sequentially updated in conjunction with predetermined selection information displayed on the CD 32.

The CPU 40 controls the outside LCD 32 to switch the information from the outside LCD 32 to the inside LCD 22.
RAM 60 serving as a source of selection information displayed on CD 32
Is controlled to display the general information stored in the inner LCD 22. Although not shown here, the control system 150 also includes a ROM (Read Only Memory) storing a control program of the CPU 40 and the like, a music reproducing device, a transmitting / receiving device, a battery, and the like.

Next, the foldable portable telephone device 100 of the present invention.
An operation example will be described.

FIG. 3 is a flowchart showing an operation example (at the time of opening operation) of the foldable portable telephone device 100. Note that here, the music playback function is being used, and the folding housing 10 is moved from the closed state where the opening and closing angle θ = 0 [°] to the opening and closing angle θ = 150 [°].
It is assumed that the state is shifted to the open state. First, when the folding housing 10 is in the closed state, the open / closed state detection switch 51 is pressed by the projection 52, and the CPU 40 controls the outer LCD 3.
2 displays information.

At this time, the CPU 40 sends selection information (for example, information on music playback time, etc.) from the comprehensive information stored in the RAM 60 (for example, music-related information group including music playback time, song title, and playback state) to the external LCD 32. It is controlled to display. And the user is this outer LC
The selection information displayed in D32 is visually observed. The selection information displayed on the outer LCD 32 is set in advance by the user to desired information with the 3D jog dial 26.

As shown in FIG. 3, in step A1, the CPU 40 waits until the open / closed state detection switch 51 is turned off. When the user shifts the closed casing 10 to the open state, the open / closed state detection switch 51 is turned off and the process proceeds to step A2. In this step A2, the inside L
The CPU 40 controls the CPU 22 to display the general information on the CD 22 and the selection information on the outer LCD 32, and starts a timer for, for example, 3 seconds.

Thereafter, in step A3, it is waited whether the timer for 3 seconds has expired or not. The total information displayed on the inner LCD 22 and the outer LCD 3 are displayed until the timer expires.
2 is held by the CPU 40. As a result, the outer LC
Even if D becomes invisible, the user can use the outer LCD 32
Can be continuously confirmed on the inner LCD 22 without being lost.

When the three-second timer expires, the process proceeds to step A4. In this step A4, the CPU 40 determines whether or not the open / closed state detection switch 51 has been turned on. When the open / closed state detection switch 51 is turned off, that is, when the folding housing 10 is completely opened, the process proceeds to step A5. In step A5, the display on the outer LCD 32 is turned off by the CPU 40 and the inner LCD 2 is turned off.
The display is switched to the display of only 2 and the display ends.

When the open / closed state detection switch 51 is turned on in step A4, that is, when the folding housing 10 is shifted from the closed state to the open state and then again shifted to the closed state within the timer operating period, the process proceeds to step A6. In step A6, the display on the inner LCD 22 is turned off by the CPU 40, and the display is switched to the display on the outer LCD 32 only, and the process ends.

FIG. 4 is a flowchart showing an operation example (at the time of folding operation) of the foldable portable telephone device 100. In addition,
Here, for example, it is assumed that the music playback function is being used, and that the user shifts the folding casing 10 from the open state at the open / close angle θ = 150 [°] to the closed state at the open / close angle θ = 0 [°]. . At this time, since the folding housing 10 is in the open state, the open / closed state detection switch 51 is turned off, and the CPU 40
The general information stored in the AM 60 (for example, a music-related information group including a music playback time, a song title, and a playback state) is controlled to be displayed on the inner LCD 22. The user is watching the general information displayed on the inner LCD 22. In this case, the user operates the 3D jog dial 26 to set the selection information in advance.

As shown in FIG. 4, in step B1, the CPU 40 waits until the covering state detecting switch 53 is turned on. Folding housing 1 opened by user
When 0 is shifted to the closed state and the opening / closing angle θ ≦ 90 [°], the covering state detection switch 53 is turned on by the magnet 54, and the process proceeds to step B2. In this step B2, the inner LC
The switching is controlled by the CPU 40 so as to display the general information on the D22 and the selection information (for example, information on the music playback time) which is a part of the general information on the outer LCD 32, and
For example, a three-second timer is activated.

Thereafter, in step B3, it is awaited whether or not the timer for 3 seconds has expired, and the general information displayed on the inner LCD 22 and the outer LCD 3 until the timer expires.
The selection information displayed in 2 is held by the CPU 40. With this, the inner LCD is closed with the closing operation of the first housing 21.
Even if the user cannot see the display 22, the user can use the inner LCD 2.
2 can be continuously confirmed on the outer LCD 32 without losing the selected information which is a part of the comprehensive information displayed on the outer LCD 32.

When the three-second timer expires, the process proceeds to step B4. In this step B4, the CPU 40 determines whether or not the open / closed state detection switch 51 has been turned on. When the open / closed state detection switch 51 is turned on, that is, when the folding housing 10 is completely closed, the process proceeds to step B5. In step B5, the display on the inner LCD 22 is turned off by the CPU 40, and the outer LCD 3 is turned off.
The display is switched to the display of only 2 and the display ends.

If the open / closed state detection switch 51 is turned off in step B4, that is, if the folding housing 10 is shifted from the open state to the closed state and is again shifted to the open state within the timer operating period, the process proceeds to step B6. In this step B6, the display on the outer LCD 32 is turned off by the CPU 40, the display is switched to the display on the inner LCD 22 only, and the process ends.

In the operation example described above, the case where the music playback function is used has been described. However, for example, the same effect can be obtained when the call function is used. Also, 3D
By operating the jog dial 26, the display information on the outer LCD 32 can be switched.

FIGS. 5A and 5B are perspective views showing an example of the state of the foldable portable telephone device 100, in which FIG. When the first housing 21 is folded with respect to the second housing 31 in the foldable mobile phone device 100 in the open state as shown in FIG. 5A, a compact state is obtained as shown in FIG. 5B. . At this time, the inner LCD 22 is covered with the front of the second housing 31 and cannot be seen, but instead the first LCD 21 is
The outer LCD 32 provided on the back of the camera can be viewed without changing the viewpoint. The visible LCD is controlled to always display information.

As described above, according to the foldable portable telephone device 100 of the first embodiment, the foldable casing having the inner LCD 22 on the inner fold surface and the outer LCD 32 on the opposite side of the inner fold surface in the closed state. 10 is provided with a CPU 40. When the open / closed state detection switch 51 detects that the folding housing 10 is opened,
When the covering state detection switch 53 detects that the inner LCD 22 has been folded to the opening angle θ ≦ 90 [°],
The CPU 40 controls the same information to be displayed on the outer LCD 32 only for a predetermined period of time, so that one of the LCDs that has been viewed with the opening and closing of the folding housing 10 is covered. Also, since the information can be continuously viewed on the other LCD, the folding casing 10 can be opened and closed without losing the displayed information.

Therefore, the visibility of information and the convenience of the electronic device can be improved as compared with the conventional method in which the displayed information is lost for a moment when the housing is opened and closed.

(Second Embodiment) FIG. 6 shows a second embodiment according to the present invention.
1 is a perspective view illustrating a configuration example of a foldable mobile phone device 200 as an embodiment. In this embodiment, the outer LCD 32 in the first embodiment is provided on the back surface of the second housing 31, and information is displayed on the inner LCD 22 and the outer LCD 32 when the opening angle θ of the folding housing 10 is located in a predetermined opening / closing section. It is something to do. Note that the components having the same names and reference numerals as those in the first embodiment have the same functions, and a description thereof will be omitted.

The foldable portable telephone device 200 shown in FIG. 6 is a portable terminal having not only a telephone call function but also an Internet function and a music reproduction function. The foldable portable telephone device 200 has an openable / closable foldable case 10, and the foldable case 10 includes a first case 21, a second case 31, and a hinge 11. The lower end of the first housing 21 in the longitudinal direction and the upper end of the second housing 31 in the longitudinal direction are rotatably connected by the hinge 11. Thus, the first housing 21 and the second housing 31 can be folded with their fronts facing each other. Here, the opening angle θ between the first housing 21 and the second housing 31 is designed to be, for example, approximately 0 ≦ θ ≦ 150 [°].

The front of the first housing 21 has an inner LCD 2
2 are provided, and are concealed by the second housing 31 when the folding housing 10 is in the closed state. A speaker 23 is provided on the housing surface near the upper side of the inner LCD 22. An extendable antenna 25 is provided at the upper end of the first housing 21. A 3D jog dial 26 is provided on a side surface of the first housing 21.

An operation key group 33 is provided on the front of the second housing 31. A microphone 34 is provided on the housing surface near the lower part of the operation key group 33. An LCD 32 is provided on the back surface of the second housing 31. Thus, when the second housing 31 is in the open state with respect to the first housing 21, the user (user) can use the LCD inside the first housing 21.
When the LCD 22 is closed, the LCD 32 outside the second housing 31 is
Can be observed without changing the viewpoint.

A push-down open / closed state detection switch 51 is provided near the upper end of the front surface of the first housing 21, and a projection is provided on the front surface of the second housing 31 opposed to the open / closed state detection switch 51. The part 52 is provided in a protruding manner. Furthermore,
A magnetic covering state detection switch 53 is embedded in the front of the first housing 21 near the hinge 11, and a magnet 54 is provided on the front of the second housing 31 facing the covering state detection switch 53. Have been.

FIG. 7 is a block diagram showing a configuration example of a control system 250 in the foldable portable telephone device 200. As shown in FIG.
As shown in FIG. 7, the control system 250 includes a CPU 240,
It has an inner LCD 22, an outer LCD 32, an open / closed state detection switch 51, a covering state detection switch 53, and a RAM 60. CPU 240 has inner LCD 22, outer LC
D32, open / closed state detection switch 51, covering state detection switch 53, and RAM 60 are connected.

When the open / closed state detection switch 51 is turned on, the CPU 240 recognizes the opening / closing angle θ = 0 [°] in the folding housing 10 and controls to display information only on the outer LCD 32. When the open / closed state detection switch 51 is off and the covering state detection switch 53 is on, the CPU 240 recognizes that 0 <opening / closing angle θ ≦ 90 [°] in the folding housing 10 and the outer LCD.
32 and the inner LCD 22 to display information. When the open / closed state detection switch 51 is off and the covering state detection switch 53 is off, the CPU 240 determines that 90 <opening / closing angle θ ≦ 150 in the folding housing 10.
[°] is recognized, and control is performed so that information is displayed only on the inner LCD 22.

Further, the CPU 240 stores the general information (for example, music-related information group) displayed on the inner LCD 22 in the RAM.
60 is stored at any time. When switching the information from the inner LCD 22 to the outer LCD 32, the CPU 240 displays predetermined selection information (for example, information on music playback time) previously selected by the user from the stored general information on the outer LCD 32. Control. At this time, the comprehensive information stored in the RAM 60 is sequentially updated in conjunction with the predetermined selection information displayed on the outer LCD 32.

In the CPU 240, the outer LCD 32
When the information is controlled to switch to the inner LCD 22 from the RAM 6, the RAM 6 serving as a source of the selection information displayed on the outer LCD 32 is used.
The switching control is performed so that the total information stored in 0 is displayed on the inner LCD 22. Although not shown here, the control system 250 also includes a ROM storing a control program of the CPU 240 and the like, a music reproducing device, a transmitting / receiving device, a battery, and the like.

Next, an operation example of the foldable portable telephone device 200 according to the second embodiment will be described.

FIG. 8 is a flowchart showing an operation example of the foldable portable telephone device 200. Here, it is assumed that the user has previously set the selection information from the comprehensive information with the 3D jog dial 26. As shown in FIG. 8, at step C1, the CPU 240 determines whether the open / closed state detection switch 51 is on or off. If the open / closed state detection switch 51 is on, the open / close angle θ = 0 [°] is determined by the CPU.
Recognized by 240, go to step C2. In this step C2, the CPU 240 displays the selection information on the outer LCD 32 and ends.

If the open / closed state detection switch 51 is off at step C1, the process proceeds to step C3. In this step C3, the ON / OFF of the covering state detecting switch 53 is determined to be CP.
The determination is made by U240. Covering state detection switch 5
If 3 is on, 0 <opening angle θ ≦ 90 [°]
Recognized by 40 and proceed to step C4. In step C4, the CPU 240 displays the selection information on the outer LCD 32 and the general information on the inner LCD 22, and ends.

If the covering state detection switch 53 is off at step C3, 90 <opening angle θ ≦ 150 [°] is recognized by the CPU 240, and the routine proceeds to step C5.
In step C5, the general information is displayed on the inner LCD 22, and the process ends.

FIGS. 9A and 9B are perspective views showing an example of the state of the foldable portable telephone device 200, in which (a) is in an open state and (b) is in a closed state. As shown in FIG. 7A, when the second housing 31 is folded with respect to the first housing 21 in the foldable portable telephone device 200 in the open state, a compact state is obtained as shown in FIG. 7B. . At this time, the inner LCD 22 is covered with the front of the second housing 31 and becomes invisible, but
The outer LCD 32 provided on the back of the camera can be viewed without changing the viewpoint. The visible LCD is controlled to always display information.

As described above, according to the foldable portable telephone device 200 of the second embodiment, the same effects as those of the foldable portable telephone device 100 of the first embodiment can be obtained. In particular, the foldable mobile phone device 100 is most suitable for opening and closing the first housing 21 with respect to the second housing 31, but the foldable mobile phone device 200 is suitable for opening and closing the first housing 21. Second
This is optimal when the housing 31 is opened and closed.

In the first embodiment and the second embodiment, a part of the general information displayed on the inner LCD 22 is displayed on the outer LCD 32. However, all the general information of the inner LCD 22 is displayed on the outer LCD 32. Outside L
The CD may be configured to be larger.

[0065]

As described above, according to the present invention,
Control means is provided on a folding housing having a first display portion on the inner folding surface in the closed state and a second display portion on the opposite side of the inner folding surface, and a state detection for detecting the open / closed state of the folding housing. The control unit controls the display so that the same information is displayed on the first display unit and the second display unit for a predetermined period based on the detection result of the unit.

With this configuration, even if one display unit on which information is displayed is obscured by opening and closing the folding housing, the information can be continuously viewed on the other display unit. Therefore, the folding housing can be opened and closed without losing the displayed information.

Therefore, there is provided a foldable portable electronic device in which the visibility of information and the convenience of the electronic device are improved as compared with the conventional system in which the displayed information is lost for a moment when the housing is opened and closed. can do.

The present invention relates to an LCD used in the closed state.
It is very suitable to be applied to a foldable mobile phone device or the like provided with an LCD used in the open state.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a configuration example of a foldable mobile phone device 100 according to a first embodiment of the invention.

FIG. 2 is a block diagram showing a configuration example of a control system 150 in the foldable mobile phone device 100.

FIG. 3 is a flowchart showing an operation example (at the time of an opening operation) of the foldable portable telephone device 100.

FIG. 4 is a flowchart showing an operation example (at the time of folding operation) of the foldable portable telephone device 100.

FIGS. 5A and 5B are perspective views showing an example of a state of the foldable mobile phone device 100, in which FIG.

FIG. 6 shows a foldable portable telephone device 20 as a second embodiment.
FIG. 2 is a perspective view showing a configuration example of a No. 0.

FIG. 7 is a block diagram showing a configuration example of a control system 250 in the foldable portable telephone device 200.

FIG. 8 is a block diagram showing an operation example of the foldable portable telephone device 200.

FIGS. 9A and 9B are perspective views showing an example of the state of the foldable portable telephone device 200, in which FIG. 9A is in an open state and FIG.

[Explanation of symbols]

Reference numeral 10: folding housing, 21: first housing (first housing), 22: inner LCD (first display unit), 25 ·
..3D jog dial (operation unit), 31... Second housing (second housing), 32... LCD (second display unit),
40, 240: CPU (control means), 51: open / close state detection switch (state detection means), 53: covering state detection switch (state detection means), 100: first
Foldable mobile phone device of the embodiment, 200 ... Foldable mobile phone device of the second embodiment

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 1/00 H04M 1/00 W H05K 5/02 H05K 5/02 AVF term (Reference) 4E360 AA02 AB04 AB05 AB12 AB17 AB42 EC11 ED03 ED24 ED27 GA02 GA36 GA46 GB26 5C094 AA01 AA56 BA43 DA01 GA10 HA10 5G435 AA01 BB12 DD03 DD11 EE02 EE16 GG21 LL07 5K023 AA07 BB11 DD08 HH07 5K027 AA11 BB01MM

Claims (5)

[Claims] 1. A foldable portable electronic device having a foldable folding housing, a first display unit provided on an inner folding surface of the folding housing in a closed state, and the inside in a closed state. The second provided on the opposite side of the folding surface
A display unit, a state detection unit that detects an open / closed state of the folding casing, and information of the same content for a predetermined period based on a detection result of the state detection unit, the first display unit and the second Control means for controlling display so as to display the information on a display unit. 2. The method according to claim 1, wherein the predetermined period is from a time when the folding housing is shifted from a closed state to an open state to a time when the predetermined opening state of the folding housing is detected. 2. The foldable portable electronic device according to 1. 3. The method according to claim 2, wherein the predetermined period is from a time when the folding housing is shifted from a predetermined open state to a closed state to a time when the closing state of the folding housing is detected. 2. The foldable portable electronic device according to 1. 4. The foldable portable electronic device according to claim 1, wherein the display elements constituting the first and second display units are liquid crystal display elements. 5. The foldable portable electronic device according to claim 1, further comprising an operation unit operated to arbitrarily select information displayed on the second display unit. .