KR100906571B1 - Pointing device of hemisphere shape using photoelectric element - Google Patents

Abstract

The present invention

Hemispherical pointing device using an optical element,

More specifically

Hemispherical control panel that allows variable light passage in the vertical direction,

At least one light emitting element located inside the hemispherical control panel,

Center column and center fixture to limit the movement of the center of the hemispherical control panel,

It is located above the hemispherical control panel and senses light quantity.

It includes an optical sensing guide for precisely moving the arc shape

It relates to a pointing device.

To this end, the present invention

Lower plate is installed, the central fixing portion of the light emitting element and the hemispherical operation portion (Fig. 2; Fig. 3),

The upper plate which has a circular hole in which the convex part of the hemispherical control part can protrude upward, and the light sensing guide part is installed downward,

At least one light emitting element is disposed inside the hemispherical operation part (Fig. 1; Fig. 7, <4>)

Powered to output a constant intensity of light in a fixed position

Hemispherical control panel

Above the central fixation, the coupling between the central fixation and the central column of the hemispherical control panel

One side has a hemispherical tip

The other side is in contact with the intaglio hemispherical end shape (Fig. 14)

The arc-shaped curve movement of the hemispherical control part can be more smoothly controlled.

The amount of light passing through can change according to the vertical operation of the hemispherical control panel.

At least two holes with a vertically variable area on the hemispherical control panel

Install at least one lens with different light transmittance in the vertical direction

At least one stained window is installed so that light transmittance is vertically different (FIG. 15)

It can be installed between the hemispherical control panel and the bottom plate by changing the distance according to the use purpose.

Put the operation operation distance (Fig. 1, Z)

The hemispherical control part is in contact with the light guide part centering on the central fixing part

To allow arc movement

It is possible to clarify the change in the amount of light passing through the operation of the hemispherical control panel

After the operation of the hemispherical control panel, it can be quickly restored to the equilibrium position.

Installing an elastic member or a spring between the hemispherical operation portion and the lower plate (Fig. 5)

Fixing the elastic member or the spring;

Prevents rotational movement of the hemispherical operation portion;

For fixing the light sensing guide portion;

At least one or more anti-rotation pillars (FIG. 5, R) on the bottom plate,

At least one fixing hole (FIG. 4, U) in the light sensing guide;

Install at least one guide hole (Fig. 2, O) of the anti-rotation pillar on the hemispherical control part

The light sensing guide portion (Fig. 4) is more than the hemispherical manipulation portion so that the hemispherical manipulation portion can protrude.

Has a small diameter round hole

The inner surface overlying the hemispherical control panel and in contact with the hemispherical control panel

Curved surface for close contact with the hemispherical control panel

Two optical paths having an arc-shaped inlet (Fig. 7, W) having a short arc on a horizontal line are installed at right angles on the contact surface.

A light receiving element is placed inside each light path so that the amount of light passing through the X and Y axes can be sensed to produce a two-dimensional vector.

In addition, foreign matter from the control panel on the top plate gets caught in the light

To prevent malfunction or malfunction

A foreign substance discharge groove is arranged around each light passing part of the hemispherical control part

Allow foreign matter to be discharged to the bottom plate

The entrance of each light path of each of the hemispherical operation part and the light passage part of the light sensing guide part

Block it with a plate or lens that can transmit light

To prevent foreign matter from entering the optical path

There is a certain distance between each light passing portion of the hemispherical operation portion and each light path inlet of the light sensing guide portion to prevent friction

By using the circular protrusion (Fig. 4, V) on the upper surface of the light sensing guide portion

Insert into the round hole of the top plate

When installing the light emitting element inside the hemispherical control panel

By using the support (Fig. 7, Y) to install at a certain height so as not to move

On the upper protrusion of the hemispherical control panel

Rubber pads are attached to prevent slipping during operation.

For convenience of operation, the stick-shaped control panel (FIG. 6) is attached to the upper protrusion of the hemispherical control panel.

Hemi-spherical controls make it possible to

Enabling ergonomic curved movements

The hemispherical control panel is not fixed and moves so that the user

Accurately recognize and prevent malfunction

By sensing the amount of light, it is possible to calculate the precise analog 2D direction vector.

Compact size makes it easy to operate with just one finger.

Reasons for shorter distance compared to conventional joystick devices

Has a fast response rate

Compared with the conventional mouse device, it does not need a wide bottom for movement.

Compared with the existing touch pad mouse device

You can do it correctly

Can be installed as various pointing devices

Hemispherical pointing device characterized by.

Optical element, light emitting element, light receiving element, hemispherical operation part, pointing device, light sensing guide part, center fixing part, hemispherical pointing device

Description

Pointing device of hemisphere shape using photoelectric element

The present invention

Hemispherical pointing device using an optical element,

More specifically

Hemispherical control panel that allows variable light passage in the vertical direction,

At least one light emitting element located inside the hemispherical control panel,

Center column and center fixture to limit the movement of the center of the hemispherical control panel,

It is located above the hemispherical control panel and senses light quantity.

It includes an optical sensing guide for precisely moving the arc shape

It relates to a pointing device.

If you look at things that currently have similar features and configurations,

1. Mouse device (FIG. 8)

2. Touchpad mouse device (FIG. 9)

3. Joystick (FIG. 10)

 There are many existing pointing devices

 Devices that can calculate analog two-dimensional direction vector

 The pointing device of the present invention can replace the devices

 Can be manufactured at a lower cost

 Provided is an improved pointing device that can be easily operated.

The present invention

Hemispherical pointing device using an optical element,

More specifically

Hemispherical control panel that allows variable light passage in the vertical direction,

At least one light emitting element located inside the hemispherical control panel,

Center column and center fixture to limit the movement of the center of the hemispherical control panel,

Located above the hemispherical control panel, it senses the amount of light

The arc-shaped movement of the hemispherical control part

Pointing device comprising a light sensing guide portion

The purpose is to provide.

To this end, the present invention

Lower plate is installed, the central fixing portion of the light emitting element and the hemispherical operation portion (Fig. 2; Fig. 3),

The upper plate which has a circular hole in which the convex part of the hemispherical control part can protrude upward, and the light sensing guide part is installed downward,

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At least one light emitting element is disposed inside the hemispherical operation part (Fig. 1; Fig. 7, <4>)

It is characterized in that the power supply to output a constant intensity of light in a fixed position

Also, the hemispherical control panel is placed on the central fixing part
The coupling between the central fixation and the central column of the hemispherical control panel

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One side has a hemispherical tip

The other side is in contact with the intaglio hemispherical end shape (Fig. 14)

It is characterized in that it makes it possible to more smoothly manipulate arc movement of arc shape of hemispherical control part.

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The hemispherical control part
The amount of light passing through can change according to the vertical operation of the hemispherical control panel.
At least two holes with a vertically variable area on the hemispherical control panel

Install at least one lens with different light transmittance in the vertical direction
At least one stained window is installed so that light transmittance is vertically different (FIG. 15)

In addition, the hemispherical operation part is placed in contact with the light guide part centering on the center fixing part by placing the operation operation separation distance (Fig. 1, Z) that can be installed by changing the distance according to the use purpose between the hemispherical operation part and the lower plate. It is possible to clarify the change in the amount of light passing through the operation of the hemispherical control panel by allowing the curved movement of

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Also, after the hemispherical control panel is operated, it can be quickly restored to the equilibrium position.

Between hemispherical control panel and bottom plate

Characterized by installing an elastic member or a spring (Fig. 5)

Also
Fixing the elastic member or the spring;

Prevents rotational movement of the hemispherical operation portion;

For fixing the light sensing guide portion;

At least one or more anti-rotation pillars (FIG. 5, R) on the bottom plate,

At least one fixing hole (FIG. 4, U) in the light sensing guide;

It is characterized in that to install at least one guide hole (Fig. 2, O) of the anti-rotation pillar to the hemispherical operation portion

In addition, the light sensing guide portion (FIG. 4) so that the hemispherical operation portion can protrude

It has a round hole with a smaller diameter than the hemispherical control panel

The inner surface overlying the hemispherical control panel and in contact with the hemispherical control panel

Curved surface for close contact with the hemispherical control panel

Two optical paths having an arc-shaped inlet (Fig. 7, W) having a short arc on a horizontal line are installed at right angles on the contact surface.

It is characterized in that the light receiving element is arranged inside each optical path so that the amount of light passing through the X and Y axes can be sensed to calculate a two-dimensional vector.

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In addition, foreign matter from the control panel on the top plate gets caught in the light

To prevent malfunction or malfunction

A foreign substance discharge groove is arranged around the light passage of each hemispherical control panel

Allow foreign matter to be discharged to the bottom plate

At the entrance of each light path of each of the hemispherical operation part and the light path of the light sensing guide part.

By installing a window through which light can pass, it prevents foreign substances from entering the optical path.

There is a certain distance between each light passing portion of the hemispherical operation portion and each light path inlet of the light sensing guide portion to prevent friction

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By using the circular protrusion (Fig. 4, V) on the upper surface of the light sensing guide portion

Insert into the round hole of the top plate

When installing the light emitting element inside the hemispherical control panel

By using the support (Fig. 7, Y) to install at a certain height so as not to move

On the upper protrusion of the hemispherical control panel

Attach rubber pads to prevent slipping

For convenience of operation, the stick-shaped operation part (FIG. 6) is attached to the upper protrusion of the hemispherical operation part.

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The present invention

Hemispherical pointing device using an optical element,

More specifically

Hemispherical control panel that allows variable light passage in the vertical direction,

At least one light emitting element located inside the hemispherical control panel,

Center column and center fixture to restrict movement of the center of the hemispherical control panel,

It is located above the hemispherical control panel and senses light quantity.

Providing a pointing device including an optical sensing guide unit for accurate movement

Hemi-spherical controls make it possible to

Enabling ergonomic curved movements

Because the hemispherical control panel moves without being fixed

The user can recognize the motion accurately to prevent the malfunction

By sensing the amount of light, it is possible to calculate the precise analog 2D direction vector.

Compact size makes it easy to operate with just one finger.

Reasons for shorter distance compared to conventional joystick devices

Has a fast response rate

Compared with the conventional mouse device, it does not need a wide bottom for movement.

Compared with the existing touch pad mouse device

You can do it correctly

Can be installed as various pointing devices

Hemispherical pointing device characterized by.

The present invention

Hemispherical pointing device using an optical element,

More specifically

Hemispherical control panel that allows variable light passage in the vertical direction,

At least one light emitting element located inside the hemispherical control panel,

Center column and center fixture to limit the movement of the center of the hemispherical control panel,

It is located above the hemispherical control panel and senses light quantity.

Of the pointing device including an optical sensing guide unit for accurate movement

More details on the actual implementation are given below.
According to the operation of the upper projection of the hemispherical control panel

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The amount of light sensed by the two light receiving elements installed in the light sensing guide unit is changed.

For example, look at the change in the amount of light sensed by one light receiving element

  7 is a top perspective view of the hemispherical operation part,

                 The internal arrangement of the light emitting element is indicated.

  <1> operation of FIG. 7: Equilibrium state (during passing light quantity)

  <2> operation of FIG. 7: falling (large light quantity)

  <3> operation of FIG. 7: ascending (passing light amount small)

Microprocessor, AD converter, etc.

The light quantity of the light receiving element can be sensed as an electrical value

상기식에서 광량 편차(Ld)는 + 와 - 의 범위의 값으로 출력되며 이 값을 이용하여The electrical value can be digitized by AD conversion

In the above equation, the light quantity deviation Ld is output as a value in the range of + and-.

You can determine the magnitude and sign of the direction vector on one axis (X or Y axis).

Using two light receiving elements, two axes (X-axis and Y-axis)
Can be calculated.

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Using calculated 2D direction vector information

Create data necessary for actual operation and communicate data with external equipment

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Output direction information.

In addition, by calculating the instantaneous light amount change value in addition to the basic operation method

When the instantaneous light quantity change value is large (hurried) and small (slow)

Other operations in software can also be implemented.

1. Appearance installed on the phone (Fig. 11)

2. Alternative to the touchpad mouse device (FIG. 12)

3. Alternative to the joystick device (FIG. 13)

1 is a full side cross-sectional view (including other components) of a hemispherical pointing device.

Figure 2 is a top surface of the hemispherical operation portion.

3 is a bottom surface of the hemispherical operation part.

4 is a top surface, a bottom surface of the light sensing guide portion.

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Figure 5 is an example of the spring installed between the <1> hemispherical operation portion and the lower plate,

         <2> An example of an elastic member provided between the hemispherical operation part and the lower plate.

Figure 6 is an example of attaching a stick-shaped operation portion to the upper projection of the hemispherical operation portion.

7 is a view illustrating a change in the amount of light that is passed according to the manipulation of the upper protrusion of the hemispherical manipulation part.

8 is a conventional mouse device.

9 is a conventional touch pad mouse device.

10 is a conventional joystick device.

11 is a view showing an embodiment: installed in a mobile phone.

12 is a substitute for an embodiment: touchpad mouse device.

13 is a substitute for an example joystick device.
14 is a coupling between the central fixing part and the hemispherical control part central column.
15 is an example of the light passing through the hemispherical operation part
<1> Install a hole with a variable area in the vertical direction
<2> Lenses having different light transmittances in the vertical direction
<3> Dyed windows are installed so that light transmittance varies in the vertical direction.

Explanation of symbols for the main parts of the drawings.

A: An anti-slip rubber pad.

B: Hemispherical control panel.

C: center fixing part.

D: Tops.

E: Lower plate.

F: Spring or elastic member.

G: Light sensing guide part.

H: Hole with a variable area in the vertical direction (semi-spherical operation part).

I: light receiving element.

J: Foreign body discharge groove.

K: light emitting element.

L: Column (center column) installed in the center of the hemispherical control panel.

M: Light path.

N: anti-rotation column (constant play) installed on the bottom plate.

O: Guide hole (semi-spherical operation part) of the rotation movement prevention pillar.

P: Foreign substance discharge groove (hole: penetrates toward the bottom plate).

Q: The surface (curved form) which contacts the hemispherical operation part of a light sensing guide part.

R: Anti-rotation pillar installed on the bottom plate.

S: Spring.

T: Elastic member.

U: Hole for fixing the light sensing guide part (entrance to prevent the rotation movement).

V: Circular protrusion of the upper surface of the light sensing guide portion.
W: entrance of light path (horizontal short arc)

Y: support for mounting the light emitting element.

Z: Operation distance.

Claims (20)

   A light emitting element, a lower plate on which a center fixing portion of the hemispherical operation portion is installed;    At least one light emitting element located inside the hemispherical manipulation portion;    A center column and a center fixing part for limiting movement of the center of the hemispherical control part;    Located between the center of the light sensing guide and the hemispherical control panel,    A hemispherical operation part allowing a variable light passage amount in the vertical direction;    Located above the hemispherical control panel,    By attaching at least two light receiving elements (FIG. 4, I)    Light sensing guide unit for sensing the amount of light    Pointing device configured to include. (FIG. 1) The method according to claim 1,    Having a manipulation operation separation distance (Fig. 1, Z) between the hemispherical operation part and the lower plate    Pointing device. The method according to claim 2,    Installing at least one elastic member between the hemispherical control panel and the lower plate    A pointing device, characterized in. (FIG. 5, <2>) The method according to claim 2,    Installing at least one spring between the hemispherical control panel    A pointing device, characterized in. (FIG. 5, <1>) The method according to claim 1,    The circular protrusion (Fig. 4, V) on the upper surface of the light sensing guide    To fit into the round hole    Pointing device. The method according to claim 1,    Hole in the hemispherical control section with a variable area in the vertical direction Pointing device, characterized in that installed at least two or more. (Fig. 15, <1>). The method according to claim 1,    Lenses with different light transmittance in the vertical direction Pointing device, characterized in that installed at least one or more. (Fig. 15, <2>). The method according to claim 1,    On the hemispherical control panel, the window is dyed so that the light transmittance is vertically different. Pointing device, characterized in that installed at least one or more. (Fig. 15, <3>). The method according to any one of claims 6, 7, 8,     A foreign substance discharge groove (FIG. 1, J) is formed around each light passage of the hemispherical control panel. Pointing device, characterized in that the installation. The method according to claim 1,     Two light paths (entrances) in the light sensing guide section Pointing device, characterized in that the installation. (Fig. 4) The method according to claim 1,    The surface in contact with the hemispherical control part of the light sensing guide part Pointing device, characterized in that the curved surface. The method according to claim 1,    Between the light receiving element and the hemispherical control part   Pointing device, characterized in that each light path is provided. (Fig. 1, M) The method according to claim 12,    The entrance shape of the light path has a short arc shape on the horizontal line. Pointing device, characterized in that (Fig. 7, W). The method according to claim 1,    The contact between the central fixing part and the center column of the hemispherical control panel    Hemispherical tip shape on one side,    The other side has a hemispherical end A pointing device characterized in. (FIG. 14) The method according to claim 1,    Attaching a non-slip rubber pad to the upper projection of the hemispherical control panel  A pointing device, characterized in. (FIG. 2, A) The method according to any one of claims 3 and 4,    At least one or more anti-rotation pillars (FIG. 5, R) on the bottom plate,    At least one fixing hole (FIG. 4, U) in the light sensing guide;    At least one anti-rotation pillar    Pointing device, characterized in that to install a guide hole (Fig. 2, O). The method according to claim 1,    Attaching the stick operation part to the upper projection of the hemispherical operation part  A pointing device, characterized by (FIG. 6). The method according to any one of claims 6,7,8,    It is to have a certain distance so that friction does not occur between each light passage part of the hemispherical operation part and each light path entrance of the light sensing guide part.  Pointing device. The method according to claim 1,    Fixing by using the support (Fig. 7, Y) when installing the light emitting device Pointing device. The method according to claim 1,    Each of the light paths of each of the light-passing parts and the light sensing guides of the    Install a foreign matter prevention window through which light can pass Pointing device.

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