JP2004162888A - Electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide electronic equipment using a flexible connection member for electrical connection between two casings interconnected via a biaxial hinge mechanism, preventing the looseness by reducing the displacement of the flexible connection member even during turning operation at or over 90°. <P>SOLUTION: The electronic equipment comprises the flexible connection member 4 wound on the surfaces of an opening/closing shaft 31 and a rotating shaft 32. Otherwise, at least one of the opening/closing shaft 31 and the rotating shaft 32 is formed hollow and the opening/closing shaft 31 and/or the rotating shaft 32 formed hollow is provided with the spirally shaped flexible connection member 4 therein, and the other shaft is provided with the flexible connection member 4 wound on the surface thereof. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an electronic device in which two housings are connected to be openable, closable and rotatable by connecting means.
[0002]
[Prior art]
In recent years, various electronic devices have been developed in which, for example, a screen display unit can be freely opened and closed and rotated with respect to a main body. One of the methods for electrically connecting the main body and the screen display unit in such an electronic device is to use a lead wire. When a lead wire is used, the shaft is generally hollow, and the lead wire is inserted through the shaft. However, in such a wiring method, when the number of pins of the lead wire increases, the shaft must be thickened, and there is a problem that the hinge mechanism becomes large as a whole.
[0003]
As another method for electrically connecting the main body and the screen display unit, there is a method using a flexible printed circuit (FPC) board. The FPC board is thin even if it has several tens of pins, and by using this, the hinge mechanism can be reduced. On the other hand, the length of the FPC board is such that the opening / closing and rotation of the screen display unit can be performed. For example, when the screen display unit is closed by the main body, an excess portion of the FPC board is generated and slack occurs. . If the FPC board is loose, the contact with surrounding members increases, and the FPC board deteriorates. Further, in order to prevent the FPC board from being exposed to the outside, a space for accommodating slack of the FPC board must be secured in the device, which has been an obstacle to miniaturization of the device.
[0004]
Therefore, for example, in Japanese Patent Application Laid-Open No. H11-163, the FPC boards are superimposed and wound around a hinge shaft, and the length of each superimposed FPC board is changed to reduce the inner ring difference between the FPC boards that occurs when the FPC boards are wound around the hinge shaft. Techniques for eliminating the resulting slack are disclosed. The method of winding the FPC board around the hinge shaft, which is premised by this technique, is effective for suppressing the slack of the FPC board caused by the rotation of the screen display unit.
[0005]
However, in Patent Document 1, although the FPC board is wound around the rotation shaft (24), it is not wound around the opening / closing shaft (not shown). In the case of a video camera device or the like in which the screen display unit can be opened only up to 90 ° from the main body as illustrated in Patent Document 1, the screen display unit closes to the main body without winding the FPC board around the opening / closing axis. It is thought that the FPC board is not slack enough to cause a problem when the FPC board is in the open state. Is a big issue.
[0006]
[Patent Document 1]
JP-A-10-2900084 (
Steps, FIGS. 1, 5 and 6)
[0007]
[Problems to be solved by the invention]
The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide an electronic device in which two housings connected by a biaxial hinge mechanism are electrically connected by a flexible connection member. An object of the present invention is to provide an electronic device in which the amount of displacement of a flexible connecting member is small and slack is small even when a rotation operation exceeding 90 ° is performed in the device.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, in the electronic device of the present invention, the first housing and the second housing are connected by a biaxial hinge mechanism having an opening / closing axis and a rotation axis, and the first housing and the second housing are connected to each other. The two housings are electrically connected by a flexible connection member, and the flexible connection member is wound around the surfaces of the open / close shaft and the rotation shaft, respectively.
[0009]
In another electronic device of the present invention, the first housing and the second housing are connected by a two-axis hinge mechanism having an opening / closing axis and a rotation axis, and the first housing and the second housing are connected to each other. A flexible connection member electrically connected to the housing by a flexible connection member, and at least one of the open / close shaft and the rotation shaft is hollow, and the open / close shaft and / or the rotation shaft are spirally formed in the hollow shaft. And a flexible connection member is wound around the surface of the other shaft.
[0010]
Here, it is possible to prevent the flexible connection member from unnecessarily coming into contact with another member such as the shaft cover, and also to prevent the flexible connection member from being used in an overlapping manner when the flexible connection member is used in an overlapping manner. From the viewpoint of absorbing slack or the like, it is preferable to form a groove on at least one of the opening / closing shaft and the rotating shaft for crawling the flexible connecting member along the shaft.
[0011]
In addition, from the viewpoint of efficiently winding the flexible connection member around the shaft, the flexible connection member includes a first winding portion wound around the opening / closing shaft and a second winding portion wound around the rotation shaft are substantially parallel to each other. , And has a shape in which one end of the first winding portion and the second winding portion are connected to each other by a linear intermediate portion. It is preferable to use a flexible printed wiring board as the flexible connection member.
[0012]
From the viewpoint of increasing the number of connection pins while reducing the size of the hinge mechanism, it is preferable to use two or more flexible connection members in an overlapping manner. At this time, from the viewpoint of the device in which the circuit wiring is provided concentratedly in a part of the device, at least one end of the two or more superposed flexible connection members is positioned in the same direction. It is preferred that On the other hand, from the viewpoint of effectively utilizing the space in the device and reducing the size of the device, it is preferable that at least one end of the two or more superposed flexible connection members be located in opposite directions. In addition, from the viewpoint of easily superimposing the flexible connection members, two slits are formed substantially parallel to the longitudinal direction of one flexible connection member, and the slit is formed in another flexible connection member. It is recommended to form two tongues of width less than or equal to the length of and to overlap these flexible connecting members by inserting the tongues into the slits.
[0013]
From the viewpoint of reducing the size of the second housing including the screen display unit, the second housing side of the flexible connection member is disposed between the back surface of the screen display unit and the inner surface of the second housing. It is desirable.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an electronic device of the present invention will be described with reference to the drawings. Note that the present invention is not limited to these embodiments.
[0015]
FIG. 1 is a perspective view illustrating an example of an electronic apparatus of the present invention. The electronic device shown in FIG. 1 is a portable information processing device, and a first housing 1 having a key operation unit 11 and a second housing 2 having a screen display unit 21 are connected to a connection unit (2 The second housing 2 is rotatable about 180 ° about the A axis and 180 ° about the B axis with respect to the first housing 1. ing.
[0016]
FIG. 2 shows a specific usage example of this electronic device. When the electronic device is not used, the first housing 1 and the second housing 2 are overlapped such that the key operation unit 11 and the screen display unit 21 face each other (see FIG. a)). When mainly performing an input operation using the key operation unit 11, the electronic device is placed in a horizontally long state, and the second housing 2 is rotated about the A-axis so that the first housing 1 is rotated. (2) (b) in FIG. On the other hand, when performing an operation such as selection / decision of a selection item or a message displayed on the screen display unit 21 (hereinafter, may be abbreviated as “selection / decision operation”), the second housing 2 is raised. After rotating 180 ° about the B axis from the state in which the second casing 2 is rotated, the second casing 2 is turned to the first casing 1 so that the screen display unit 21 faces outward by rotating about the A axis. The state is superimposed ((c) in the figure). At this time, the display content of the screen display unit 21 is rotated by 90 ° from the state where the second housing 2 is erected, and the orientation of the device is rotated by 90 ° to use the device in the portrait orientation. This allows the device to fit in one hand and be firmly supported. By moving the thumb of the hand holding the device, a selection / decision operation from the operation unit 12 or a touch input or a pen input from the screen display unit 21 by the other hand without the device can be performed. Further, the second housing 2 may be rotatable about 360 ° about the A axis with respect to the first housing 1. Further, the range in which the second housing 2 is rotated about the B axis is not limited to 180 ° as described above, but can be rotated 360 ° in one direction, or both in the clockwise and counterclockwise directions. It is also possible to rotate 360 ° by rotating 180 °.
[0017]
FIG. 3 shows a front view of the biaxial hinge mechanism 3 used in the electronic device of FIG. The biaxial hinge mechanism 3 in FIG. 3 has an opening / closing shaft 31 and a rotating shaft 32. A through hole 311 is formed slightly to the right from the center of the opening / closing shaft 31, and one end of the rotating shaft 32 is rotatably attached to the through hole 311. A winding portion 312 having a reduced diameter for winding an FPC board (not shown) is formed on the left side of the center of the opening / closing shaft 31, and an FPC board is provided between the through hole 311 and the winding portion 312. A groove 313 for crawling along the axis is formed. The groove 313 also has an effect of absorbing the slack of the FPC board caused by the rotation of the housing. On the other hand, one end of the rotating shaft 32 is attached to the opening / closing shaft 31 as described above. A frame 33 is attached to the other end. The rotational force applied to the second housing 2 is transmitted to the biaxial hinge mechanism via the frame 33. Since the distance between the frame 33 and the opening / closing shaft 31 is short in this two-axis hinge mechanism, a reduced diameter portion or a groove is not provided in the rotating shaft 32. Similarly to the shaft 31, a reduced diameter portion for winding the FPC board or a groove for crawling the FPC board along the shaft may be provided on the rotating shaft 32.
[0018]
Next, an example of an FPC board used in the electronic device of the present invention is shown in FIG. The FPC board 4 of FIG. 4 is formed by laminating two FPC boards 4a and 4b and partially attaching them. In the superposed FPC board 4, the first winding part 41 wound around the opening / closing shaft 31 and the second winding part 42 wound around the rotating shaft 32 are located in parallel, and the left end of the second winding part 42 is located. An intermediate portion 43 hanging from the first winding portion 41 is connected to the right end of the first winding portion 41, and a portion between the first winding portion 41 and the second winding portion 42 has a crank shape. On the other hand, a vertical portion 44 extends vertically upward from the right end of the second winding portion 42, and a horizontal portion 45 extends horizontally at the upper end of the vertical portion 44 in the left-right direction. At both ends of the horizontal portion 45, connection portions 46a and 46b for connection to circuit wiring (not shown) of the second housing are formed. The left side of the first winding portion 41 extends to the left as it is, and connection portions 47a and 47b for connecting to a circuit wiring (not shown) of the first housing are formed at the end portion.
[0019]
The shape of the FPC board may be any shape as long as it can be wound around the opening / closing shaft and the rotating shaft and can be wired along these axes, and may be determined as appropriate from the structure of the biaxial hinge mechanism, the shape of the shaft, and the like. When a smaller one is used as the biaxial hinge mechanism, the first winding part 41 and the second winding part 42 are positioned substantially in parallel as shown in FIG. It is preferable to have a shape in which the ends of the portions 41 and 42 are connected by a linear intermediate portion 43.
[0020]
In the FPC board shown in FIG. 4, two FPC boards are used in an overlapping manner in order to increase the number of connection pins without increasing the width of the FPC board. Therefore, when the number of connection pins is small with respect to the width of the FPC board, only one FPC board may be used. Conversely, when the number of connection pins is large, the number of superposed FPC boards may be increased. However, when a plurality of FPC boards are used in an overlapping manner, the portions wound around the opening / closing shaft and the rotating shaft (41 and 42 in FIG. 4) and the portions crawling along these axes (43) completely match. It is necessary to overlap in the state where it was made. Conversely, the FPC board does not need to be overlapped except for the above-mentioned portion, and may extend in a desired direction in consideration of a wiring connection destination in the electronic device. In the FPC board shown in FIG. 4 in which the connecting portions 46a and 46b are positioned in the opposite directions by 180 °, the space in the apparatus can be effectively used, and the apparatus can be downsized. In this case, the horizontal portions 45a and 45b do not need to be aligned on the straight line from the upper end of the vertical portion 44, and the connection portions may be arranged in the left and right direction in a shifted state. On the other hand, as shown in FIG. 5, when the horizontal portions 451a and 451b extend from the upper end of the vertical portion 44 in the same direction (right direction in the drawing), and the connection portions 452a and 452b are located in the same direction, Circuit wiring can be concentrated on a part of the device. Note that, in this case, the horizontal portions 451a and 451b do not need to be overlapped on the same, and may be shifted.
[0021]
When a plurality of FPC boards are used in an overlapping manner, at least a part of the FPC boards may be bonded using an adhesive member. Further, for example, when an FPC board having excellent flexibility is used, it is possible to simply superpose without using an adhesive member. Of course, the FPC board may be joined without using the adhesive member. For example, as shown in FIG. 6, two slits 48, 48 'are formed substantially parallel to the longitudinal direction in one FPC board 4c, and the width of the other FPC board 4d is increased by the two slits 48, 48. The tongue pieces 49, 49 'are formed on both sides of the tongue pieces 49, 49' having a width equal to or less than the gap of the slit. Then, the two FPC boards 4c and 4d are overlapped, and the tongue pieces 49 and 49 'of the FPC board 4d are inserted into the slits 48 and 48' to join the FPC boards 4c and 4d. Here, if the length of the slits 48, 48 'is longer than the width of the tongue pieces 49, 49', the FPC board 4d can relatively move in the longitudinal direction by the length of the slits 48, 48 '. Therefore, when the FPC board is wound around the shaft, the slack caused by the inner ring difference between the FPC boards can be absorbed.
[0022]
FIG. 7 shows a perspective view when the FPC board 4 shown in FIG. 4 is attached to the biaxial hinge mechanism 3 shown in FIG. The attachment is performed, for example, as follows. The connecting portions 46 a and 46 b at both ends of the horizontal portion 45 of the FPC board 4 are connected to circuit wiring (not shown) of the second housing 2. Then, the bent portion between the vertical portion 44 and the second winding portion 42 of the FPC board 4 is positioned on the rotation axis 32 of the biaxial hinge mechanism, and the FPC board 4 is wound around the rotation axis 32 by two turns and ／ turn. After the winding, the intermediate portion 43 of the FPC board 4 is directed just in the axial direction of the opening / closing shaft 31. Then, the intermediate portion 43 is inserted into the groove 313 formed in the opening / closing shaft 31 so that the FPC board 4 is crawled along the shaft 31. Next, the bent portion between the intermediate portion 43 and the first winding portion 41 is positioned at the winding portion 312 of the opening / closing shaft 31, and the FPC board 4 is wound twice around this portion. The connection portions 47a and 47b are connected to circuit wiring (not shown) of the first housing.
[0023]
FIG. 8 shows a perspective view of the FPC board in the state of FIG. FIG. 9 is a cross-sectional view of the rotating shaft around which the FPC board is wound in FIG. 8, and FIG. 10 is a cross-sectional view of the opening / closing shaft. First, FIG. 9A shows a state in which the FPC board 4 is wound around the rotation axis 32 by two rotations and 回 転 rotation. Specifically, the start of winding of the FPC board 4 is shown by "A", and the end of winding is shown by "B". Next, when the second housing 2 (shown in FIG. 1) is rotated clockwise by 180 ° with respect to the first housing 1 (shown in FIG. 1), the FPC board 4 is wound around the rotation shaft 32. The state is shown in FIG. As is clear from this figure, in this case, as the second housing 2 is rotated clockwise by 180 ° about the rotation axis 32, the winding start “A” of the FPC board 4 is also rotated clockwise by 180 °. And the FPC board 4 is wound around the rotation axis 32 by two turns and a quarter turn.
[0024]
FIG. 10 is a cross-sectional view of the opening / closing shaft 31 around which the FPC board 4 is wound. FIG. 2A shows a state in which the second housing 2 is opened with respect to the first housing 1, and at this time, the FPC board 4 is wound around the opening / closing shaft 31 two turns. Specifically, the winding start is shown by "B" and the winding end is shown by "C". Next, FIG. 2B shows a state in which the FPC board 4 is wound around the opening / closing shaft 31 when the second housing 2 is closed with respect to the first housing 1. In this case, as the second housing 2 is rotated 180 ° clockwise about the opening / closing axis 31, the winding start “B” of the FPC board 4 also rotates 180 °, and the FPC board 4 Is wrapped around two turns and 回 転 turn.
[0025]
In the electronic device shown in FIG. 7, the FPC board 4 is wound in a spiral manner, but may be spirally wound. However, in order to reduce the portion around which the FPC board is wound, it is preferable to wind the FPC board in a spiral shape. Further, when wound in a spiral shape, contact between the side ends of the FPC board is significantly reduced as compared with a case in which the FPC board is wound spirally, so that deterioration due to the contact of the FPC board is suppressed and the life can be extended.
[0026]
In this way, by adopting a configuration in which the FPC board is wound around the opening / closing axis and the rotation axis, even when the second casing is opened / closed and rotated with respect to the first casing, the fluctuation of the FPC board is not changed. Since the diameter of the winding wound around the shaft / rotating shaft fluctuates slightly, the size of the hinge mechanism can be reduced.
[0027]
FIG. 11 shows a state diagram when the first housing 1 and the second housing 2 are connected by the hinge mechanism 3. FIG. 12 is a perspective view of the electronic device viewed from the bottom side. In FIG. 11, the second housing side of the FPC board 4 is arranged at a position overlapping the lower part of the screen display unit 21. As can be understood from FIG. 12, first, the screen display unit 21 is assembled so as to fit an opening (not shown) formed in the front body 2a of the second housing 2. Then, the horizontal part 45 of the FPC board 4 is arranged at the lower part on the back side of the screen display part 21, and the connection parts 46a and 46b are connected to the connection parts 201 and 202 of the second housing 2, respectively. Then, the rear body 2b of the second housing 2 is attached to the front body 2a. Conventionally, a dedicated space for connecting and arranging the FPC board 4 at one end side in the second housing is provided at the lower portion of the second housing, and the screen display unit is arranged thereon. By arranging the FPC board 4 between the rear surface side of the screen display unit 21 and the inner surface of the rear body 2b of the second housing 2, the space for arranging the FPC board 4 can be eliminated. Only the screen display unit 21 can be moved to the hinge mechanism side of the second housing 2. As a result, the size of the second housing can be reduced.
[0028]
Next, an electronic device according to another invention will be described. The electronic device of the present invention is different from the electronic device in that at least one of the opening and closing shaft and the rotating shaft is hollow, and the hollow opening and closing shaft and / or the rotating shaft is provided with a spiral flexible connecting member. And a flexible connecting member wound around the surface of the other shaft.
[0029]
FIG. 13 shows an example of a hinge mechanism used in the electronic device of the present invention. FIG. 13 is a perspective view of the insertion tube T inserted into the hollow opening / closing shaft and the rotating shaft, and the FPC board 4 mounted therein. The insertion tube T formed by vertically connecting a short tube T ₂ in the middle of the long tube T ₁ which is sideways, 2 and divided along a plane containing the axis of the long tube T ₁ and short tube T _2, spirally The FPC board 4 having a portion wound in advance is disposed therein (FIG. 7A). As the FPC board 4 used here, the one shown in FIG. 4 can be used. The winding method of the FPC board 4 is not particularly limited, and may be a spiral shape. However, from the viewpoint of suppressing the rubbing between the side edges of the FPC board, it is preferable to wind the FPC board in a spiral shape. Next, the divided insertion tube T is joined using an adhesive member (not shown) or the like (FIG. 2B). Then, the insertion tube T is mounted in a hollow opening / closing shaft and a rotating shaft (both not shown).
[0030]
With the hinge mechanism having such a configuration, even when the second housing is opened / closed and rotated with respect to the first housing, the fluctuation of the FPC board is limited to the opening / closing axis / rotation axis as described above. The diameter of the wound wire fluctuates slightly, and the size of the hinge mechanism can be reduced as compared with the related art.
[0031]
In the electronic device shown in FIG. 13, both the opening and closing shaft and the rotating shaft are hollow shafts. However, one may be a hollow shaft and the other may be a solid shaft. In this case, an FPC board is spirally wound around the hollow shaft and mounted therein, and the FPC board is wound around the solid shaft.
[0032]
【The invention's effect】
In the electronic device of the present invention, the first housing and the second housing are connected by a two-axis hinge mechanism having an open / close axis and a rotation axis, and the first housing and the second housing are connected to each other. Since the flexible connection member is electrically connected and the flexible connection member is wound around the surfaces of the opening / closing shaft and the rotation shaft, the second housing is rotated 180 ° with respect to the first housing. Further, even if the flexible connection member is opened and closed by 360 ° or rotated by 180 ° or 360 °, the amount of displacement of the flexible connecting member can be suppressed to be small, and the hinge mechanism can be downsized, and the electronic device can be downsized. Can be achieved.
[0033]
Further, in another electronic device of the present invention, unlike the above-described shaft, at least one of the opening and closing shaft and the rotating shaft is hollow, and the hollow opening and closing shaft and / or the rotating shaft has a spiral shape. A connecting member was provided, and a flexible connecting member was wound around the surface of the other shaft. Even in such a configuration, as described above, even if the second housing is opened and closed by 180 ° and further 360 ° with respect to the first housing, or rotated by 180 ° or 360 °, the flexibility is increased. The displacement amount of the connection member can be suppressed small, and the hinge mechanism can be downsized, and the electronic device can be downsized.
[Brief description of the drawings]
FIG. 1 is a perspective view illustrating an example of an electronic apparatus according to the invention.
FIG. 2 is a diagram illustrating an example of usage of the electronic apparatus of FIG. 1;
FIG. 3 is a front view showing an example of a biaxial hinge mechanism used in the present invention.
FIG. 4 is a plan view showing an example of an FPC board.
FIG. 5 is a plan view showing another example of the FPC board.
FIG. 6 is a partial plan view showing an example of a means for connecting two FPC boards.
FIG. 7 is an assembly perspective view when the FPC board is attached to the biaxial hinge mechanism.
FIG. 8 is a perspective view illustrating only the FPC board in FIG. 7;
FIG. 9 is a cross-sectional view of the rotation shaft around which the FPC board is wound in FIG.
FIG. 10 is a cross-sectional view of the open / close shaft around which the FPC board is wound in FIG.
11 is a state diagram when the first housing and the second housing are connected by the biaxial hinge mechanism of FIG. 7;
FIG. 12 is a perspective view of the electronic apparatus of the present invention as viewed from the bottom side.
FIG. 13 is a perspective view showing another example of the biaxial hinge mechanism used in the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st housing | casing 2 2nd housing | casing 3 Biaxial hinge mechanism 4, 4 ', 4a, 4b, 4a', 4b ', 4c, 4d FPC board (flexible connection member)
21 Screen display unit 31 Opening / closing shaft 32 Rotating shaft 41 First winding unit 42 Second winding unit 43 Intermediate unit 48, 48 'Slit 49, 49' Tongue piece 313 Groove

Claims (10)

A first housing, a second housing, connecting means for connecting the first housing and the second housing, and an electrical connection between the first housing and the second housing. Electronic device having a flexible connection member to be electrically connected,
The connecting means includes an opening / closing axis for opening and closing the second housing with respect to the first housing, and a rotation axis perpendicular to the opening / closing axis for rotating the second housing. With a two-axis hinge mechanism,
An electronic device, wherein the flexible connection member is wound around surfaces of the opening / closing shaft and the rotating shaft, respectively. A first housing, a second housing, connecting means for connecting the first housing and the second housing, and an electrical connection between the first housing and the second housing. Electronic device having a flexible connection member to be electrically connected,
The connecting means includes an opening / closing axis for opening and closing the second housing with respect to the first housing, and a rotation axis perpendicular to the opening / closing axis for rotating the second housing. A two-axis hinge mechanism provided with at least one of the opening and closing shaft and the rotating shaft being hollow,
The open / closed shaft and / or the rotating shaft, which are hollow, have the spiral-shaped flexible connecting member disposed therein, and the other shafts have the flexible connecting member provided on the surface thereof. Electronic equipment characterized by being wound. 2. The electronic device according to claim 1, wherein a groove is formed in at least one of the opening / closing shaft and the rotating shaft to crawl the flexible connection member along the shaft. The flexible connection member positions a first winding portion wound around the opening / closing shaft and a second winding portion wound around the rotating shaft substantially parallel to each other. The electronic device according to any one of claims 1 to 3, wherein the electronic device has a shape in which one end of each of the winding portions is connected by a linear intermediate portion. The electronic device according to claim 1, wherein the flexible connection member is a flexible printed wiring board. The electronic device according to claim 1, wherein two or more flexible connection members are used. 7. The electronic device according to claim 6, wherein at least one end of the two or more flexible connection members is located in the same direction. 7. The electronic device according to claim 6, wherein at least one end of the two or more stacked flexible connection members are located in opposite directions. Two slits are formed in one flexible connection member, and two tongue pieces having a width equal to or less than the length of the slit are formed in another flexible connection member, and the tongue piece is formed in the slit. The electronic device according to claim 6, wherein these flexible connection members are joined by being inserted. A screen display unit is provided on at least one surface side of the second housing, and the second housing side of the flexible connection member is provided between a back surface of the screen display unit and an inner surface of the second housing. The electronic device according to claim 1, wherein the electronic device is arranged.

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