JP2003131805A - Portable information device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform a variety of manipulation of information by a daily operation. SOLUTION: The device comprises a casing 2 of a body and a unitary moving object 1 which moves two-dimensionally and is supported by the casing 2. The casing 2 comprises a two-dimensional display 3 on which a cursor 4 moves two-dimensionally and the cursor 4 moves in the direction of the x-axis according to the movement of a first direction of the moving object 1 (a spherical body) and moves to the direction of the y-axis according to the movement of a second direction of the moving object 1. The casing 2 is a casing with a key part of a computer such as a CPU built in and is a casing of an information device into which a so-called mouse is integrated. It is difficult to perform manipulation of information on a portable information terminal which is miniaturized and of lightweight construction for use at a random place where there is no smooth surface like that of a desk nearby, with an operation device such as a mouse connected to it by a cable, but the portable information device by the present invention into which the casing and the mouse are integrated mechanically, physically and spatially is capable of performing its operation at a random place easily. The direction of operation corresponds to that of the two-dimensional movement of the cursor 24 daily and requires no memorization of a complicated key operation string using a group of operation keys.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable information device, and more particularly to a portable information device having an operation tool for operating display information.

[0002]

2. Description of the Related Art A display screen of a computer is a device that visually displays various information. A screen operation tool is attached to the computer for screen operations such as screen switching and scrolling. As such a screen operation tool, a keyboard having a key group and a mouse are known. The mouse is a convenient information operation device that can switch various parts of the screen by clicking the mouse.

A mobile terminal such as a mobile phone is provided with a group of telephone number dial keys. The telephone number dial key group is also used as an input / output hand key group for accessing the telephone set or the personal computer of the other party to create transmission information or display reception information on the screen. The computer operation using such input / output hand keys strongly depends on the information operation ability of a person, and is far from the operation by a person's daily judgment. Young people, called the thumb group, use one key with high speed and agility to get accustomed to such extraordinary operations and master their keys, but in the future, information operations will become even more diverse. Mobile terminals that are expected to be used are required to have natural visual and logical daily operations that a person naturally possesses. Next, it is important to consider the usage scene (operating environment) of the mobile terminal. It is common to see mobile scenes in which various personal items such as bags, hanging leather, umbrellas, mobile phones, cigarettes, and drinks must be held with one hand and the mobile information device terminal operated with the other hand.

It is required that various information operations can be performed by daily operations. Further, it is desired that the operation can be performed with one hand.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to provide a portable information device which can perform various information operations by daily operations. Another object of the present invention is to provide a portable information device that can perform various information operations by daily operations and can be operated with one hand.

[0006]

Means for solving the problem Means for solving the problem are expressed as follows. The technical matters appearing in the expression are accompanied by parentheses (), and numbers, symbols and the like are added. The numbers, symbols and the like are technical matters constituting at least one embodiment or a plurality of examples of the plurality of embodiments or a plurality of examples of the present invention, particularly, the embodiment or the example. It corresponds to the reference numbers, reference symbols, etc. attached to the technical matters expressed in the drawings corresponding to. Such reference numbers and reference symbols clarify correspondences and bridges between the technical matters described in the claims and the technical matters of the embodiments or examples. Such correspondence / bridge does not mean that the technical matters described in the claims are limited to the technical matters of the embodiment or the examples.

The portable information device according to the present invention includes a main body casing (2) and a single moving body (1) which moves two-dimensionally and is supported by the main body casing (2). The body casing (2) includes a two-dimensional display screen (3) on which a cursor (24) moves two-dimensionally. Cursor (2
4) moves in the x-axis direction based on the movement of the moving body (1) in the first direction, and moves in the y-axis direction based on the movement of the moving body (1) in the second direction. Here, the single moving body means that the moving bodies are integrated, and does not mean that a plurality of single moving bodies are provided.

The main body casing (2) is a casing that houses a basic component of a computer such as a CPU, and is a casing of an information device in which a so-called mouse is integrated. It is difficult to operate the information of the portable information terminal that is made compact and lightweight and used in any place where there is no plane like a desk near it, with an operating device such as a mouse connected to the electric wire cable, In the portable information device according to the present invention in which the housing and the mouse are mechanically, physically and spatially integrated, the operation is easy at any place. The direction of the operation corresponds to the two-dimensional movement direction of the cursor (24) on a daily basis, and memorization of a complicated key operation sequence using an operation key group becomes unnecessary.

The two-dimensional movement of the cursor (24) is performed by various well-known operating tools. As the motion of the moving body (1), the motion in the first direction is a rotary motion about the first axis, and the motion in the second direction is a rotary motion about the second axis.
It is preferably illustrated that the directional movement is a rotary movement about one axis and the second direction movement is an axial linear movement about one axis.

The moving body is a sphere (1), and the sphere (1) is supported by a partial spherical surface (12) formed on the main body casing (2), and a gap is provided between the spherical body 1 and the partial spherical surface (12). Is provided, and the sphere (1) can move three-dimensionally within the range of the gap width, which is the same as the known movement of a mouse sphere.

It is important that the spherical body (1) projects outward from the front surface side and the back surface side of the main body casing (2). Since the spherical body (1) is projected to the surface side of the main body casing (2), thumb operation is possible, and the spherical body (1)
By protruding to the back side of the body casing (2), the same operation as a known mouse is possible.

The body casing (2) is rotatable with respect to the first body casing (2A) and between the first body casing (2A) and an open position and a closed position with respect to the first body casing (2A). Often formed from a second body casing (2B). In this case, the two-dimensional display screen (3) is arranged on the back surface side of the second main body casing (2B) in the closed position, and the sphere (1) is the first main body casing (2).
Floatingly supported by A). In this case, the sphere (1)
Preferably protrudes outward from the front surface side and the back surface side of the first main body casing (2A).

The moving body (1) further moves in the third direction,
The movement of the moving body (1) in the third direction corresponds to a click operation of selecting a program menu displayed on the two-dimensional display screen (3) and corresponding to the position of the cursor (24).

A wheel plate (13) is added. The moving body is a rotating body (1), and the main body casing (2) has a first frictional joining surface (1) that is frictionally joined to a rotating peripheral surface of the rotating body (1).
2) is formed, and the rotating body (1) has the first friction joint surface (1
2) Floatingly supported in the wheel plate (13), and a second friction bonding surface (1) frictionally bonded to the rotating peripheral surface of the rotating body (1) on the wheel plate (13).
2 ') is formed, the rotating body (1) is connected to the second friction joint surface (1
2 ') is floatingly supported. A sensor (23) for detecting the rotation of the wheel plate (13) is further added. The sensor (23) is fixed to the body casing (2). Since the wheel plate (13) is formed thin and is housed compactly in the main body casing (1), the addition of the operation tool does not increase the thickness of the main body casing which is required to be thin and lightweight. . Rotating body is a sphere (1)
And the first friction joint surface (12) and the second friction joint surface (1
2 ') are both partially spherical surfaces, and the rotor is compactly housed in a thin casing.

Two spring elements (21) are additionally interposed between the wheel plate (13) and the body casing (2).
The wheel plate (13) is sandwiched between two spring elements (21) to maintain the neutral position. By using a leaf spring as the spring, the overall thinning is promoted.

The moving body is a sphere (1), and the main casing (2) is provided with a first friction-bonding spherical surface for friction-bonding to the spherical surface of the sphere (1). The sphere (1) is a first friction-bonding spherical surface. A first rolling wheel (28) that is supported in a floating manner in the inside of the body and is rotatably supported by the main body casing (2) and frictionally joined to the sphere (1); A second rolling wheel (not shown) supported and friction-bonded to the sphere (1) is further included, wherein rotation of the first rolling wheel (28) corresponds to movement of the sphere (1) in a first direction, and The rotation of the wheel corresponds to the movement of the sphere (1) in the second direction. The two-dimensional friction-joining relationship between the sphere (1) and the two-like rolling wheels (28) enables diagonal movement of the known mouse and cursor (24).

A second friction-bonding spherical surface (12 ') frictionally bonded to the spherical surface of the spherical body (1) is formed on the wheel plate (13), and the spherical body (1) is inside the second friction-bonding spherical surface (12'). And the wheel plate (13) is elastically supported by the body casing (2) via the spring element (21).
The movement of the wheel plate (13) against 1) corresponds to a click action. An operating tool for performing three operations for performing the orthogonal movement of the cursor (24) and the selecting operation of the cursor instruction menu is compactly integrated with the main body casing (2),
The fusion of the main body and mouse is realized compactly.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Corresponding to the drawings, a trackball is newly added as an operating tool in an embodiment of a portable information device according to the present invention. As shown in FIG. 1 or 2, the trackball 1 is partially projectable on both sides of a housing 2 of an electronic dictionary, a portable information operating device such as a mobile computer, or a mobile phone. It is arranged. The surface of the housing 2 has an information display screen 3 and an operation panel surface 4.
It is formed from and. Information display screen 3 and operation panel surface 4
Form substantially the same plane as shown in FIG. 1, or are formed with proper angles as shown in FIG. The report display screen 3 is preferably formed as a liquid crystal display surface. The horizontal length (width) of the housing 2 is indicated by W, and the vertical length (depth) of the housing 2 is indicated by d. The x-axis direction length (horizontal direction length) of the information display screen 3 is indicated by x, and the y-axis direction length (vertical direction length) of the information display screen 3 is indicated by y.

The openable / closable mobile phone housing 2 shown in FIG. 2 is composed of a fixed side housing portion 2A and a movable side housing portion 2B. The fixed-side housing portion 2A and the movable-side housing portion 2B are rotatable with respect to each other via the mandrel portion 5, and are compactly folded. Front side surface of movable side housing portion 2B when opened (back side surface of movable side housing portion 2B when closed)
Is formed as the information display screen 3. A front side surface of the fixed-side casing portion 2A when opened (a front side surface of the fixed-side casing portion 2A when closed) is formed as an operation panel surface 4. As shown in FIG. 3, on the front side of the housing 2 of FIG. 1, a button group 6 in which a plurality of operation buttons are arranged and a function button 7 for emitting light from an LED are arranged. Fixed side housing part 2 of FIG.
On the front side when A is opened, a key group 8 in which a plurality of operation keys are arranged is arranged.

As shown in FIG. 4, the trackball 1 has portions on both sides thereof on the front and back surfaces of the housing 2 of FIG.
Alternatively, the diameter of the trackball 1 is larger than the thickness of the housing 2 while protruding outward (on both sides) from the front surface and the back surface of the fixed-side housing portion 2A in the open state of FIG. A cursor that appears on the information display screen 3 (information operation mark 2 described later)
In 4), the case 2 is placed on the surface of the bag and the trackball 1 is rolled or pressed in one direction on the surface of the bag to move the case 2 relative to the left and right with one hand, or with the thumb. By rotating the trackball 1 or pushing it in one direction,
The information display screen 3 can be moved dimensionally or two-dimensionally on the xy coordinate system.

As shown in FIG. 5, the trackball 1
Is sandwiched between the front surface side housing 9 and the back surface side housing 11 forming the housing 2 or the fixed side housing portion 2A, and is supported so as to be rotatable about three axes. The front surface side housing 9 and the back surface side housing 11 include a housing side partial spherical surface 12 for guiding the triaxial rotation of the trackball 1.
A hole is formed in each of them. The housing-side partial spherical surface 12 forms one partial spherical surface when the front surface-side housing 9 and the back surface-side housing 11 are assembled and joined face-to-face. The trackball 1 can rotate uniaxially around at least one axis.

A wheel plate 13 is arranged in the housing 2. As shown in FIGS. 6A and 6B, the wheel plate 13 is in contact with two wheel plate elements 13A and 13B that are bilaterally symmetrical. The wheel plate elements 13A and 13B are each formed of a small-diameter wheel plate 14 located inside and a large-diameter wheel plate (collar) 15 located outside. Small diameter wheel 14
Are coaxially and integrally formed with the large-diameter wheel plate 15. As shown in FIG. 6 (c), a wheel plate side spherical hole 12 'is formed in the small diameter wheel plate 14 and the large diameter wheel plate 15 on both sides. The wheel-number side spherical hole 12 'and the housing side partial spherical surface 12 form a substantially identical spherical surface. A gap having an appropriate width is provided between the spherical surface 12, 12 ′ and the trackball 1. As shown in FIG. 7 (a), the large-diameter wheel plates 15 of the wheel plate elements 13A and 13B each have a convex portion and a groove portion which are fitted in the convex portion and are alternately arranged on one circumference. By fitting the convex portions and the groove portions together, as shown in FIG. 7B, one wheel plate 13 is formed.

The user places the lower surface of the housing 2 on the palm and sandwiches both side surfaces orthogonal to the back surface with fingers to softly fix the housing 2 to the fingers, and the thumb of the finger holds the trackball 1 in the x direction. Then, the track ball 1 is pushed or pulled back, and is rotated in a positive direction or a negative direction around a rotation axis L (which is orthogonal to the Z axis in FIG. 5) passing through the center point of the trackball 1 and parallel to the x axis. The lateral width W of the housing 2 is designed to a length that facilitates both positive and negative operations such as linear and rotation. The user, as shown in FIG. 8, has a bag B on hand on the street.
The casing 2 can be rotated by applying the trackball 1 of the casing 2 to the surface of the casing 2 and moving the casing 2 relative to the bag B.

A structural substrate 16 on which a semiconductor substrate and other electronic circuit components (not shown) are mounted is supported in a housing. As shown in FIG. 5A, the structural board 16 has circular holes 17 into which the left and right small-diameter wheel plates 14 are inserted.
Has been opened. A peripheral edge portion (a hole in the structural substrate) that is located in a ring groove formed by the two facing surfaces of the left and right small diameter wheel plates 14 and the facing surface of the left and right large diameter wheel plates 15 and forms the edge of the circular hole 17 is formed. The left and right sides of the peripheral portion 18 and the left and right large-diameter wheel plates 1
As shown in FIG. 5 (b), between the two facing surfaces of No. 5,
Left tact switch 19L and right tact switch 19R
And are installed. Left and right tact switches 19L, R
Are arranged on two circles having the same diameter and the same axis at equal angular intervals. Tact switch 19L, R
Is a well-known switching element formed by micro-switching elements each of which is slightly deformed and displaced in the z-axis direction to form an electrically conductive state.

Large-diameter wheel plate 1 on the inner side and right side of the front side housing 9
The right side (lower side) spring element 21R is arranged at a plurality of rotation angle positions on the same circumference between the outer side surface of 5 and the outer side surface. The left (upper) spring element 21L is arranged at a plurality of rotation angle positions on the same circumference between the inner surface of the rear housing 11 and the outer surface of the left large-diameter wheel plate 15.

As shown in FIG. 9, one-to-two sensors 23L and 23R are arranged at appropriate positions of the small-diameter wheel plate 14 at positions symmetrical with respect to the center point of the trackball 1. The sensor 23L and the sensor 23R are respectively fixed to the peripheral portion 18 of the structural substrate 16. The sensor 23L is bonded to the facing surface of the structural substrate 16 facing the first radial wheel plate 15 on one side, and the sensor 23L
R is joined to the facing surface of the structural substrate 16 facing the large-diameter wheel plate 15 on the other side.

The trackball 1 which can be rotated with the thumb about the rotation axis L is displaced in a range of a slight gap in the y direction (matching the rotation axis direction) orthogonal to the z axis. , Come into frictional contact with the wheel plate 13. The wheel plate 13 is guided by the rotation of the trackball 1 and rotates about the rotation axis L. One of the sensor 23L and the sensor 23R detects the rotation direction of the wheel plate 13 and continuously outputs a pulse signal corresponding to the rotation direction. The pulse signal corresponding to the rotation direction is counted by a counting unit (not shown) of the structural substrate 16, and the cursor 24 on the information display screen 3 corresponds to the number counted by the counting unit.
(See FIG. 1) moves in the y-axis direction.

The cursor 24 moves in the positive direction of the y-axis in response to the positive rotation of the trackball 1, and moves in the negative direction of the y-axis in response to the negative rotation of the trackball 1. Figure 9
As shown in FIG. 1, the trackball 1 has a z-axis centerline direction (direction orthogonal to the information display screen 3 and orthogonal to the xy plane).
Can be displaced. The trackball 1 which is pushed down in the z-axis direction (generally in the vertical direction in the actual use scene) by the thumb is a spherical hole 12 ′ on the wheel plate side of the trackball 1.
The wheel plate 13 to be frictionally joined is pushed down. Wheel 13
Approaches the sensor 23R.

The sensor 23R, which also has the function of a proximity sensor, outputs an x-axis positive direction pulse signal as long as the approach (approach over a certain level) is detected. The x-axis positive direction pulse signal is counted by the above-described counting unit of the structure substrate 16, and the cursor 24 of the information display screen 3 moves in the x-axis direction positive direction in accordance with the number counted by the counting unit. . The trackball 1 with the thumb released is pushed back upward in the z-axis direction by the repulsive return force of the left (upper) spring element 21L, and the right (lower) spring element 21R and the left (upper) spring element 21L are balanced. Return to the neutral position.
When the trackball 1 is pushed upward from the back surface side of the housing 2 (in this case, the middle finger is used), the cursor 24 moves in the negative direction of the x-axis corresponding to the pushing time. After that, the trackball 1 returns to the neutral position again.

When the trackball 1 is pushed up or down more strongly and quickly, the left tact switch 19L or the right tact switch 19R is pushed by the wheel plate 13 to deform and output a switching signal. This switching signal corresponds to the click signal corresponding to the depression of the return key. As described above, the three types of displacements of the trackball 1, the rotation, the continuous displacement, and the instantaneous displacement correspond to the movement of the cursor in the y-axis direction, the movement of the cursor in the x-axis direction, and the click for selecting an action. The x-direction pulse signal based on the continuous displacement is delayed and starts counting after the set time, and the x-direction pulse signal is not counted by the instantaneous displacement.

FIG. 10 shows another embodiment of the portable information device according to the present invention. 180 around each other around the z-axis
Two protrusion-forming elastic supports 25 are arranged at two different positions. The protrusion-forming elastic support body 25 has its main body portion fixed to the above-mentioned peripheral edge portion 18 of the structural substrate 16, and its protrusion portions 26 project from the main body portion in the directions facing each other on the y-axis. The protruding portion 26 which is elastic
A strain gauge (not shown) for detecting biaxial rotation is incorporated in the inside. The projecting portion 26 projects toward the center point of the trackball 1. The x-axis and the y-axis are set so as to pass through the center of the trackball 1 and be orthogonal to the z-axis.

The trackball 1 is constrained by the elastic displacement limit of the protruding portion 26 and can rotate about the x-axis within the range of an angle p °. In addition, trackball 1
Is constrained by the elastic displacement limit of the protruding portion 26 and can rotate about the y-axis in the range of an angle p ′ ° (not shown). The trackball 1 rotated in such an angle range can be returned to the original neutral rotation position by the elastic force of the protruding portion 26. Rotation about the x-axis in the range of an angle p ° causes the strain gauge in the trackball 1 to output a y-axis direction pulse signal. Rotation about the y-axis in the range of angle p '° causes the strain gauge in trackball 1 to output an x-axis direction pulse signal.

The y-axis direction pulse signal is counted by the above-described counting unit of the structural substrate 16, and the cursor 24 on the information display screen 3 corresponds to the number counted by the counting unit.
Is moved in the y-axis direction. The x-axis direction pulse signal is counted by the counting unit, and the cursor 24 on the information display screen 3 is moved to the x position according to the number counted by the counting unit.
Move in the axial direction. In the present embodiment, the click signal is generated by pressing one push button (return key) of the button group 6, and the trackball 1
As shown in FIG. 11, it is assembled with a two-part hemispherical shell.

FIG. 12 shows another embodiment of the portable information device according to the present invention. The wheel plate 13 shown in FIGS. 5A and 5B has left and right (upper and lower) spring elements 21L and R.
Is held in the neutral position by the same as in the previously described embodiment. 180 degrees different from each other about the z-axis
Two y-axis direction wheel support elastic bodies 27 are arranged at the positions. The y-axis roller support elastic body 27 has its main body fixed to the peripheral edge portion 18 of the structural substrate 16 described above, and the roller 28 is rotatably supported at the tip portion thereof. Furthermore,
9 with respect to the y-axis rolling wheel support elastic body 27 around the z-axis center line
Two x-axis roller support elastic bodies (not shown) are arranged at two positions different by 0 degrees. The roller support elastic body is
It is fixed to the peripheral portion 18 of the structural substrate 16, and the other wheel is rotatably supported at the tip portion thereof. The rotation wheels of the y-axis rolling wheel support elastic body 27 and the rolling wheels of the x-axis rolling wheel support elastic body are orthogonal to each other.

The rolling wheel 28 of the y-axis rolling wheel supporting elastic body 27 is
It makes frictional contact with the spherical surface of the trackball 1 and rotates about an axis of rotation that is parallel to the x-axis and outputs a y-axis direction pulse signal. The x-axis rolling wheel supporting elastic body frictionally comes into contact with the spherical surface of the trackball 1 and rotates about an axis of rotation that is parallel to the y-axis and outputs an x-axis direction pulse signal.
The y-axis direction pulse signal is counted by the above-described counting unit of the structural substrate 16, and the cursor 24 on the information display screen 3 is moved in the y-axis direction in accordance with the number counted by the counting unit. The x-axis direction pulse signal is counted by the counting unit, and the cursor 24 on the information display screen 3 is moved in the x-axis direction according to the number counted by the counting unit. Only one of the pair of rolling wheels 28 outputs a pulse signal, and neither of them outputs a pulse signal (one is always separated from the trackball).

When the trackball 1 is strongly and quickly pushed in the z-axis direction, the x-axis rolling wheel support elastic body 27 rotates about the rotation shaft 29, and the rolling wheel 28 is displaced by a distance larger than the stroke S. In this case, the click operation is performed by the displacement of the left and right tact switches 19L and R (not shown in FIG. 12) in the above-described embodiment.

It is well known that track rollers are used instead of track balls. When a track roller is used, the rotation of the roller and the axial movement of the roller correspond to the x-axis movement and the y-axis movement of the cursor, respectively. The technique of producing electrical signals that translates the rotational movements of trackballs, track rollers, and their linear movements into two-dimensional movements of a cursor is well known as found in mice. The displacement amount of the rotational movement or the linear movement does not usually correspond to the movement amount of the cursor.

By the position displacement of the cursor, the program
Menus and applications can be selected, and information operation is easy. The cursor moves in accordance with the daily sense of direction of motion such as the rotational movement of the ball and the roller and their linear movement. Information operation of the mobile information terminal,
The cursor can be moved with a daily sensation of motion without depending on the operation of manually pressing a plurality of keys selected from a group of keys and a group of buttons and a plurality of buttons. A moving body such as a sphere for such an operation is directly supported by the main body casing of the information terminal device, and the mouse is not separately attached to the main body casing via the electric wire cable. It is possible to hold the terminal with one hand and perform the information operation with the finger of the one hand.

Regarding the biaxial rotation of the ball, one of the Cartesian coordinate axes corresponds to the rotation surface that defines the rotation around the one axis, and the other rotation surface that defines the rotation around the other one axis. The other axis of the Cartesian coordinate axes corresponds. Such correspondence is familiar to many people on a daily basis. Many people also say that the rotation of one axis and the linear displacement of the axis orthogonal thereto correspond to the two orthogonal axes, or that the rotation of one axis and the linear displacement in the direction of the one axis correspond to the two orthogonal axes. Be familiar with every day. It is also familiar to many people on a daily basis that the roughly linear displacement of the cross-shaped push button portion at the orthogonal position of the cross-shaped push button corresponds to the two orthogonal axes. Correspondences that are familiar to us on a daily basis include the steering wheel of an aircraft, the steering wheel of an automobile and the reverse gear change in the front-rear direction, the cross-shaped button of a game machine, and the roller (1 axis rotation 1 Axial linear displacement) is well known for operating instruments. The present invention is realized as if the mouse itself became an information operation terminal, if expressed metaphorically.

[0040]

As described above, the portable information device according to the present invention facilitates the information operation corresponding to the daily feeling.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a portable information device according to the present invention.

FIG. 2 is an oblique-axis projection view showing another embodiment of the portable information device according to the present invention.

FIG. 3 is a plan view of FIG. 1.

FIG. 4 is a side view of FIG.

5A and 5B are cross-sectional views showing a part of FIG. 1 or FIG. 2 in two ways.

6 (a), (b) and (c) are a plan view, a front view and a front sectional view showing a wheel plate.

7 (a) and 7 (b) are a side sectional view and a front view showing disassembly and assembly of a wheel plate.

FIG. 8 is a sectional view showing a usage scene of the portable information device according to the present invention.

9 is a sectional view showing a part of FIG. 1 or FIG. 2 at a sectional position different from that of FIG.

FIG. 10 is a sectional view showing still another embodiment of the portable information device according to the present invention.

FIG. 11 is a cross-sectional view showing a part of FIG. 10 in an exploded manner.

FIG. 12 is a plane front cross-sectional oblique-axis projection view.

[Explanation of symbols]

1 ... moving body (sphere) 2 ... Main body casing 3 ... 2D display screen 2A ... 1st main body casing 2B ... second main body casing 12 ... Partial spherical surface (first friction welding surface) 12 '... second friction joint surface 13 ... Wheel 21 ... Spring element 23 ... Sensor 24 ... Cursor 28 ... 1st wheel

Claims (12)

[Claims] 1. A main body casing and a single moving body that moves in two dimensions and is supported by the main body casing, wherein the main body casing comprises a two-dimensional display screen in which a cursor moves in two dimensions. The portable information device, wherein the cursor moves in the x-axis direction based on the movement of the moving body in the first direction, and moves in the y-axis direction based on the movement of the moving body in the second direction. 2. The portable information device according to claim 1, wherein the motion in the first direction is a rotary motion about a first axis, and the motion in the second direction is a rotary motion about a second axis. 3. The portable information device according to claim 1, wherein the movement in the first direction is a rotational movement about one axis, and the movement in the second direction is a linear movement in the axial direction of the one axis. 4. The moving body is a sphere, and the sphere is supported by a partial spherical surface formed in the main body casing, and a gap is provided between the spherical body and the partial spherical surface. The portable information device according to claim 1, wherein the portable information device is movable three-dimensionally within the range of the gap width. 5. The portable information device according to claim 4, wherein the sphere projects outward from the front surface side and the back surface side of the main body casing. 6. The main body casing comprises a first main body casing and a second main body casing rotatable with respect to the first main body casing between an open position and a closed position with respect to the first main body casing. The two-dimensional display screen is arranged on the back surface side of the second main body casing in the closed position, the sphere is floatingly supported by the first main body casing, and the sphere is a surface of the second main body casing. The portable information device according to claim 4, wherein the portable information device projects outward from the side and the back surface side. 7. The moving body moves in a third direction, and the movement of the moving body in the third direction is displayed on the two-dimensional display screen and clicks to select a program menu corresponding to the position of the cursor. The portable information device according to claim 1, which is selected from claims 1 to 6 corresponding to an operation. 8. A wheel plate is further provided, wherein the moving body is a rotating body, and the main body casing is formed with a first frictional joining surface that is frictionally joined to a rotating peripheral surface of the rotating body, and the rotating body is A second friction-bonding surface, which is supported floatingly in the first friction-bonding surface, is friction-bonded to the rotating peripheral surface of the rotating body, and the rotating body is the second friction-bonding surface. The portable information device according to claim 1, further comprising a sensor that is supported in a floating manner in a surface and that detects rotation of the wheel plate, the sensor being fixed to the main body casing. 9. The portable information device according to claim 8, wherein the rotating body is a sphere, and both the first friction joining surface and the second friction joining surface are partial spherical surfaces. 10. The spring plate further comprises two spring elements interposed between the wheel plate and the main body casing, and the wheel plate is sandwiched between the two spring elements to maintain a neutral position. Portable information device. 11. The moving body is a sphere, and a first friction-bonding spherical surface that is friction-bonded to a spherical surface of the sphere is formed in the main body casing, and the sphere is floating in the first friction-bonding spherical surface. A first roller wheel that is rotatably supported by the main body casing and frictionally joined to the spherical body; and a second roller wheel that is rotatably supported by the main body casing and frictionally joined to the spherical body. The portable information according to claim 1, further comprising: the rotation of the first rolling wheel corresponds to the movement of the moving body in the first direction, and the rotation of the second rolling wheel corresponds to the movement of the moving body in the second direction. vessel. 12. A wheel plate is further provided, wherein the wheel plate is formed with a second friction-bonding spherical surface for friction-bonding to the spherical surface of the sphere, and the sphere is floatingly supported in the second friction-bonding spherical surface. The portable information device according to claim 11, wherein the wheel plate is elastically supported by the main body casing via a spring element, and the movement of the wheel plate against the spring element corresponds to a click operation.