KR20030017735A - Self generation type mouse - Google Patents

Abstract

PURPOSE: A self generation mouse is provided to minimize the use of a battery by generating electric power from a generator converting the rotational energy according to the rotation of a ball into the electric energy. CONSTITUTION: The generator(16) converts the rotational energy of a rotation axis into the electric energy. A rectifying circuit(34) converts the electric energy generated from the generator(16) into DC voltage. A charging part(30) supplies the driving power to an oscillator by storing the DC voltage rectified by the rectifying circuit(34). The battery supplies the driving power to the oscillator. A controller supplies the driving power from the battery to the oscillator in case that the electric power of the charging part(30) does not exceed a standard.

Description

Self-developed mouse {SELF GENERATION TYPE MOUSE}

The present invention relates to a self-powered mouse, and more particularly, to a self-powered mouse that can be generated and charged through the use operation.

In general, computer input means includes a keyboard for inputting signals by pressing a plurality of keys, and a mouse for performing an input function such as selecting an icon or selecting an application by moving a cursor displayed on a display device. . In particular, as most computer operating systems have changed to the Windows environment and are used in various fields such as CAD (Computer Aided Design) and 3D games, the mouse is an important input means for a graphic user interface. It is widely used as.

In general, mice are classified into various types, such as a mechanical mouse and an optical mouse, according to a method of detecting coordinates on a screen.

4 is a perspective view showing a schematic internal configuration of the mechanical mouse. The configuration of the mechanical mouse using the rotation of the ball 103 is before and after the inner bottom surface of the casing 100, as shown in FIG. , The ball 103 which can rotate left and right is installed, and the rollers 105a and the ball 103 which rotate as the ball 103 rotates in the X-axis direction are disposed on the X and Y axes of the ball 103. As the roller 105b rotates in the Y-axis direction, the roller 105b is installed in contact with the ball 103. One end of the drive shaft 107 connected to the roller 105 is equipped with a rotating disk 109 having a plurality of slits 112, and photocouplers 114 having light emitting diodes and light receiving diodes on both sides of the rotating disk 109. Are installed respectively. Accordingly, the rotary disk 109 and the photocoupler 114 having a plurality of slits 112 radially perform the encoder function.

By this configuration, when the user moves the casing 100 of the mouse, the ball 103 is rotated in the X-axis direction and the Y-axis direction according to the movement of the casing 100, the rotational force of the ball 103 is The rotating disk 109 is transmitted to the roller 105 in contact with the 103. The rotating disc 109 is provided with a plurality of slits 112 radially. When the rotating disc 109 rotates, a pair of photocouplers 114 mounted on the side thereof detects rotation of the slit 112 and accordingly Output the displacement signal to the computer. The computer detects the coordinates on the screen of the mouse cursor by converting the displacement signal from the mouse.

Among these mice, in order to increase the efficiency of the work space, there is a wireless mouse which removes the connection cable with the main body and transmits the displacement signal according to the rotation of the ball as a predetermined radio signal to the computer main body.

5 is a control block diagram of a wireless mouse. As shown in FIG. 5, the wireless mouse has a ball rotation detecting unit 130 that detects rotation of the ball 103 using the ball 103 described above with reference to FIG. 4, the rotation disc 109, and the photo coupler 114. And a wireless transmission unit 132 for converting the displacement signal from the ball rotation detection unit 130 into a predetermined wireless signal and transmitting it to the computer 150. In addition, the battery 140 for power supply, and a power supply unit 138 for supplying the power from the battery 140 to the driving power of the ball rotation detection unit 130 and the wireless transmitter 132.

As such, since the wireless mouse needs a battery for supplying its own power, there is an inconvenience in that the user needs to check the remaining amount of the battery at any time and replace the battery at an appropriate time for the normal operation of the wireless mouse.

Accordingly, an object of the present invention is to provide a self-powered mouse capable of generating and charging through a use operation.

1 is a perspective view showing a schematic internal configuration of a self-powered mouse according to the present invention,

2 is a cross-sectional view of the generator of FIG.

3 is a control block diagram of a self-powered mouse according to the present invention;

4 is a perspective view showing a schematic internal configuration of a conventional mouse;

5 is a control block diagram of a conventional wireless mouse.

* Explanation of symbols for the main parts of the drawings

3: ball

5: roller

7: drive shaft

9: rotating disc

12: slit

14: Photocoupler

16: generator

20: magnet

22: coil

30: ball rotation detection unit

32: wireless transmitter

34: rectifier circuit

36: charging part

38: power supply

According to the present invention, the object is a casing, a ball partially rotatable and exposed to the bottom of the casing, an oscillator for generating a predetermined position displacement signal in accordance with the rotation of the ball, the contact with the outer peripheral surface of the ball A mouse comprising a rotating shaft rotating in accordance with the rotation of a ball, comprising: a generator for converting rotational energy of the rotating shaft into electrical energy; A rectifier circuit for converting the electrical energy generated from the generator into a DC voltage; It is achieved by a self-powered mouse characterized in that it comprises a charging section for storing the DC voltage rectified in the rectifier circuit, and supplying it to the drive power of the oscillator.

Here, the generator is preferably a rotating field generator including a magnet connected to the rotating shaft, and a coil wound around the magnet.

The apparatus may further include a battery for supplying driving power to the oscillator, and a controller for supplying the driving power from the battery to the oscillator when the power of the charging unit is lower than a predetermined reference so that a user may select a power source. It is desirable to.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic internal configuration of a self-powered mouse according to the present invention, Figure 2 is a cross-sectional view of the generator 16 of FIG. As shown in FIG. 1, the mouse is partially exposed at the bottom of the casing 1 and is provided with a ball 3 capable of rotating back and forth, left and right, and on the X and Y axes of the ball 3. The roller 5a that rotates as the ball 3 rotates in the X-axis direction and the roller 5b that rotates as the ball 3 rotates in the Y-axis direction are provided in contact with the ball 3. On one side of the drive shaft (7) connected to the roller (5) is equipped with a rotating disk (9) having a plurality of slits (12), the photocoupler (14) having a light emitting diode and a light receiving diode on both sides of the rotating disk (9) Are respectively installed. In addition, a generator 16 for converting rotational energy of the drive shaft 7 into electrical energy is provided at one end of the drive shaft 7 provided with the rotation disc 9.

The generator 16 is installed to be in line with the drive shaft 7 so that the rotational force of the drive shaft 7 is sufficiently provided. The generator 16 has a form in which a coil 22 is wound around a magnet 20 to be mounted on the drive shaft 7 line as shown in FIG. 2. Therefore, when the magnet 20 rotates as the drive shaft 7 rotates, the magnetic field changes, and the AC electromotive force is induced in the coil 22 wound on the magnet 20.

With this configuration, when the user moves the casing 1 of the mouse, the ball 3 rotates in the X-axis direction and the Y-axis direction according to the movement of the casing 1, and the rotational force of the ball 3 As it is transmitted to the drive shaft 7 through the roller 5 in contact with (3), the rotary disk 9 and the magnet 20 of the generator 16 rotates about the drive shaft.

When the rotating disc 9 rotates by the rotation of the ball 3, a pair of photocouplers 14 mounted on both sides of the ball 3 detects light passing through the slit 12 formed on the rotating disc 9 The movement of the mouse is detected by detecting the rotation of the rotating disc 9.

On the other hand, the magnet 20 attached to the center of the generator 16 rotates with the drive shaft 7 by the rotation of the drive shaft 7 according to the rotation of the ball 3. As the magnet 20 rotates, the magnetic field changes, so that an AC electromotive force is induced in the coil 22 wound around the magnet 20. That is, as the user moves the mouse, the generator 16 generates AC power.

3 is a control block diagram of a self-powered mouse according to the present invention having such an internal configuration. The self-powered mouse has a ball rotation detection unit 30 for detecting rotation of the ball 3 through the ball 3, the rotating disc 9, and the photo coupler 14 described in FIG. 1, and the ball rotation detection. And a radio transmitter 32 for converting the displacement signal from the unit 30 into a predetermined radio signal and transmitting it to the computer 50.

In addition, a generator 16 for converting rotational energy due to the rotation of the ball 3 into electrical energy, a rectifier circuit 34 for converting an alternating current generated from the generator 16 into a direct current, and a rectifier circuit 34 It further comprises a charging unit 36 for charging the rectified DC energy in a predetermined rechargeable battery, and supplying the DC power from the charging unit 36 to the ball rotation sensing unit 30 and the wireless transmitter 32 as the driving power. And a power supply 38.

The rectifier circuit 34 is composed of a rectifying diode and a smoothing capacitor to rectify and smooth the electrical energy of the alternating current generated from the generator 16 to a DC power source.

The charging unit 36 charges the DC power rectified in the rectifying circuit 34, and generates a constant voltage of a predetermined potential for supplying to each component in the wireless mouse.

With this configuration, when the user moves the mouse, the rotation force is transmitted to the drive shaft 7 through the roller 5 in which the ball 3 rotates and contacts the ball 3. When the drive shaft 7 rotates, the rotary disk 9 and the generator 16 attached to the drive shaft 7 rotate.

The ball rotation detecting unit 30 composed of the rotating disc 9 and the photo coupler 14 detects the rotation of the ball 3 and transmits it to the wireless transmitter 32, and the wireless transmitter 32 is the ball 3. The computer 50 can detect the position of the mouse by converting the displacement signal according to the rotation of the predetermined signal into a predetermined radio signal and transmitting it to the computer 50 body.

On the other hand, the generator 16 receives the rotational energy due to the rotation of the ball 3 through the drive shaft 7 converts the rotational energy into electrical energy of the alternating current type and transmits the electrical energy to the rectifier circuit 34, the rectifier circuit 34 ) Smoothes AC power to DC power and supplies it to the charging unit 36. The power charged in the charging unit 36 is supplied to the components of the mouse such as the ball rotation detecting unit 30 and the wireless transmitter 32 by the power supply unit 38 as the driving power.

Although the above description exemplifies using only the charging unit 36 as a power supply, a battery used in the related art is also mounted, and when the power charged in the charging unit 36 is not sufficient, the power of the battery is used as a driving power source. It is possible to make it available. In this case, the power source may be automatically switched by including a control unit for supplying power from any one of the charging unit 36 and the battery by automatically detecting the power of the charging unit 36, and using a simple charging unit 36 and the battery. It is also possible to provide a switching circuit to selectively connect so that the user can manually select it.

In addition, although the above description illustrates that the generator 16 and the rotary disc 9 are mounted on one drive shaft 7, the generator 16 is separate from the drive shaft 7 for the rotation of the rotary disc 9. It is also possible to provide a drive shaft for rotating the wheel, so that the mouse can move smoothly.

As described above, the present invention, by adding a generator for converting the rotational energy according to the rotation of the ball into electrical energy in the wireless mouse to coordinate detection by the rotation of the ball to generate and charge the power through a general mouse operation operation By enabling self-power supply, the use of batteries can be minimized.

As described above, according to the present invention, a self-powered mouse capable of generating and charging through a use operation is provided.

Claims (2)

A casing, a ball rotatable partially exposed at the bottom of the casing, an oscillator for generating a predetermined position displacement signal according to the rotation of the ball, and a rotating shaft contacting the outer circumferential surface of the ball and rotating according to the rotation of the ball. In the mouse comprising: A generator for converting rotational energy of the rotating shaft into electrical energy; A rectifier circuit for converting the electrical energy generated from the generator into a DC voltage; And a charging unit for storing the DC voltage rectified by the rectifier circuit and supplying the DC voltage to the driving power of the oscillator. The method of claim 1, Further comprising a battery for supplying a driving power to the oscillator, And a control unit which supplies the driving power from the battery to the oscillation unit when the power of the charging unit is less than or equal to a predetermined reference.