TWI399669B - Mouse device - Google Patents

Description

Mouse device

The present invention relates to a mouse device.

The prior art mouse device, such as a mouse, is connected to the electronic device through a data line, so that when the user needs to carry the electronic device when going out, the mouse device and its connected data line must be carried. Not only increases the occupied space, but when the data line connected to the mouse device is damaged, the mouse device is rendered unavailable, and eventually the electronic device is unavailable.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a mouse device that can directly determine the moving position of a mouse by changing a current signal, thereby solving the above problems.

The invention provides a mouse device, which comprises a fixing plate and a mouse. The upper surface of the fixing plate is provided with four vertical but disjoint metal strips, wherein two metal strips are applied with a specific voltage. The other two metal strips are grounded; the mouse includes a processing unit, and the bottom surface of the mouse is provided with a resistance wire not in the same quadrant and a wire perpendicularly intersecting the resistance wire in different quadrants; a conductive elastic piece, the conductive elastic piece is not in contact with the electric resistance wire; the mouse is moved by the external force on the surface of the fixed plate, and the resistance wire is The wire is respectively in contact with the metal strip, and the two metal strips are connected to generate a current signal, and the processing unit generates a position signal according to the current signal, the conductive elastic piece is contacted by the electric resistance wire by the external force, and the contacted resistance wire is short-circuited, and the processing unit is A change in the current signal produces a signal that reflects the motion information of the mouse.

The mouse device of the present invention uses a corresponding resistance wire on a mouse to determine the length of the resistance wire according to the magnitude of the current generated by the mouse during the movement, thereby generating a reflection position according to the length. The signal is sent to the electronic device for identification, and the corresponding operation is performed.

1‧‧‧mouse device

2‧‧‧Electronic devices

30‧‧‧Fixed plate

20‧‧‧ Mouse

30a‧‧‧First quadrant

30b‧‧‧second quadrant

30c‧‧‧ third quadrant

30d‧‧‧fourth quadrant

8‧‧‧Metal strips

9‧‧‧Metal strip

8’‧‧‧Metal strip

9’‧‧‧Metal strip

10a‧‧‧resistance wire

11a‧‧‧resistance wire

10b‧‧‧wire

11b‧‧‧Wire

12‧‧‧Electrical shrapnel

12’‧‧‧ Conductive shrapnel

I1‧‧‧current

I2‧‧‧ current

40‧‧‧ dots

24‧‧‧ magnet

21‧‧‧Processing unit

1 is a perspective view of a mouse device according to an embodiment of the present invention; FIG. 2 is an exploded view of the mouse device of the present invention in an embodiment; FIG. 3 is a rear view of the mouse device of the present invention; 4 is a circuit diagram for determining a position of a mouse device according to an embodiment of the present invention; FIG. 5 is a circuit diagram corresponding to a left button state of the mouse device of the present invention; and FIG. 6 is a circuit diagram corresponding to a right button state of the mouse device of the present invention.

Referring to FIG. 1 to FIG. 2, the mouse device 1 includes a fixing plate 30 and a mouse 20. The mouse 20 is used to move on the surface of the fixed plate 30 according to the user's operation to generate a corresponding signal. In the present embodiment, the mouse device 1 is electrically connected to an electronic device 2, and the electronic device 2 performs a corresponding operation according to the corresponding signal.

The surface of the fixing plate 30 is provided with four metal strips 8, 8', 9, 9' which are perpendicular but not intersecting each other. The four metal strips 8, 8', 9, 9' divide the fixed plate 30 into four quadrants 30a, 30b, 30c, 30d. A voltage of a specific magnitude, such as 5V, is applied to the metal strips 9, 9' in the vertical direction, and the metal strips 8, 8' in the horizontal direction are grounded. In other embodiments, a voltage of a specific magnitude may be applied to the metal strips 8, 8' in the horizontal direction, and both ends of the metal strips 9, 9 in the vertical direction are grounded. In the present embodiment, the fixing plate 30 is a part of a keyboard.

Referring to Fig. 3' at the same time, a magnet 24' is disposed on the back surface of the fixing plate 30 for generating a magnetic field on the upper surface of the fixing plate 30.

Referring to FIG. 4 at the same time, the mouse 20 includes a processing unit 21, and the bottom surface of the mouse 20 is provided with resistance wires 10a, 11a not in the same quadrant and perpendicularly intersecting the resistance wires 10a, 11a in different quadrants. Wires 10b, 11b. The mouse 20 is adsorbed to the surface of the fixing plate 30 by the wires 10b, 11b. In the present embodiment, the resistance wire 10a and the wire 10b are perpendicularly disposed in the third quadrant 30c, and the resistance wire 11a and the wire 11b are perpendicularly disposed in the first quadrant 30a. The resistance of the resistance wires 10a, 11a is proportional to its own length. During the movement of the mouse 20, the resistance wires 10a, 11a and the wires 10b, 11b are in contact with the metal strips 8, 8', 9, 9' on the fixed plate 30, respectively, due to the four metal strips 8, 8', 9 The voltage applied to 9' is different, causing current to flow from the metal strips 9, 9' in the vertical direction into the resistance wires 10a, 11a and the wires 10b, 11b finally flowing out on the metal strips 8, 8' in the horizontal direction. The processing unit 21 calculates the position of the mouse 20 with respect to the length of the dot 40 of the resistance wire 10a, 11a with respect to the magnitude of the current flowing out, and generates a position signal. The The mouse 20 moves on the surface of the fixing plate 30 under the action of an external force. At this time, the resistance wire 11a is in contact with the metal strip 9 in the first quadrant 30a of the fixing plate 30, and the wire 11b is in contact with the metal strip 8, due to There is a voltage difference between the metal strip 9 and the metal strip 8, causing a current i1 to flow from the metal strip 9 into the electric resistance wire 11a, then flowing into the 11b, and finally flowing out of the metal strip 8. The processing unit 21 calculates the electric resistance wire according to the current i1 and the voltage. The resistance of 11a is determined to determine the length of the resistance wire 11a to generate a position signal; at the same time, in the third quadrant 30c of the right half, the resistance wire 10a is in contact with the metal strip 8', and the wire 10b is in contact with the metal strip 9' due to There is a voltage difference between the metal strip 9' and the metal strip 8', causing a current i2 to flow from the metal strip 9' into the wire 10b, then flowing into the resistance wire 10a, and finally flowing out of the metal strip 8', and the processing unit 21 is based on the current. I2 and the voltage calculate the resistance of the resistance wire 10a, thereby determining the length of the resistance wire 10a, and generating a position signal.

When the mouse 20 is translated up/down under the external force, the length of the resistance wire 11a in the first quadrant 30a is always constant, so that the current i1 is unchanged, and the length of the resistance wire 10a in the third quadrant 30c changes. Therefore, the current i2 changes, and the amount of change in the length of the resistance wire 10a is calculated according to the change of the current i2. According to the length, the distance of the mouse 20 to move up/down is determined, and a corresponding position signal is generated.

When the mouse 20 is translated to the left/right by the external force, the resistance wire in the third quadrant 30c does not change, so the current i2 does not change, and the length of the resistance wire 11a in the first quadrant 30a changes, so the current i1 changes. The change amount of the length of the resistance wire 11a is calculated according to the change of the current i1, and the distance of the mouse 20 to the left/right translation can be determined according to the length amount, and a corresponding position signal is generated.

For the movement of the mouse 20 at all positions of the fixed plate 30, it can be decomposed into the above four kinds of translations, and the distance of the mouse 20 relative to the initial position is sequentially determined according to the above-described translation method, thereby determining the mouse 20 The location of the move.

Referring to FIG. 5 to FIG. 6, the bottom surface of the mouse 20 further includes two conductive elastic sheets 12, 12'. The elastic piece 12 is flatly disposed above the electric resistance wire 11a, and the elastic piece 12' is disposed in parallel above the electric resistance wire 10a. When the conductive elastic piece 12 is contacted with the resistance wire 11a by an external force, the resistance wire 11a is short-circuited, the current i1 is maximum, and the processing unit 21 generates a signal for performing a left-key operation; when the conductive elastic piece 12' is contacted by the external force to contact the resistance wire 10a, The resistance wire 10a is short-circuited, the current i2 is maximum, and the processing unit 21 generates a signal for performing a right-click operation. In other embodiments, when the conductive elastic piece 12 is contacted with the resistance wire 11a by an external force, the resistance wire 11a is short-circuited, the current i1 is maximum, and the processing unit 21 generates a signal for performing a right-click operation; when the conductive elastic piece 12' is subjected to an external force contact resistance At the time of the wire 10a, the resistance wire 10a is short-circuited, the current i2 is maximum, and the processing unit 21 generates a signal for performing a left-key operation.

1‧‧‧mouse device

2‧‧‧Electronic devices

30‧‧‧Fixed plate

20‧‧‧ Mouse

30a‧‧‧First quadrant

30b‧‧‧second quadrant

30c‧‧‧ third quadrant

30d‧‧‧fourth quadrant

Claims (6)

A mouse device includes a fixing plate and a mouse, wherein: the upper surface of the fixing plate is provided with four vertical but disjoint metal strips, wherein two metal strips are applied with a specific voltage. The other two metal strips are grounded, and the four metal strips divide the fixed board into four quadrants; the mouse includes a processing unit, and the bottom surface of the mouse is provided with two resistance wires not in the same quadrant and two resistance wires respectively Two wires perpendicularly intersecting in different quadrants; a conductive elastic piece is disposed above each resistance wire, and the conductive elastic piece is not in contact with the resistance wire; the mouse is moved by an external force on the surface of the fixed plate, the resistance wire and the wire Contacting the metal strips respectively, the two metal strips are connected to generate a current signal, and the processing unit generates a signal reflecting the moving position of the mouse according to the current signal, and the conductive elastic piece is contacted by the electric resistance wire by the external force, and the contacted resistance wire is short-circuited. The current signal is caused to produce a maximum amplitude change, and the processing unit generates a signal reflecting the corresponding operation of the mouse according to the change of the current signal. The mouse device of claim 1, wherein a magnet is disposed on the back surface of the fixing plate for forming a magnetic field on the surface of the fixing plate, and the mouse is adsorbed on the surface of the fixing plate by the wire. The mouse device of claim 1, wherein the resistance wire is a uniform resistance, and the magnitude of the resistance is proportional to the length of the resistance wire. The mouse device of claim 1, wherein the voltage applied to the metal strip in the vertical direction is 5V. The mouse device of claim 1, wherein the fixing plate is a part of a keyboard. The mouse device of claim 1, wherein the mouse device is electrically connected to an electronic device, and the electronic device performs a corresponding operation according to a signal generated by the processing unit on the mouse.