WO2005055037A1 - Optical mouse operable in 3-dimensional space - Google Patents

Optical mouse operable in 3-dimensional space Download PDF

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Publication number
WO2005055037A1
WO2005055037A1 PCT/KR2004/003176 KR2004003176W WO2005055037A1 WO 2005055037 A1 WO2005055037 A1 WO 2005055037A1 KR 2004003176 W KR2004003176 W KR 2004003176W WO 2005055037 A1 WO2005055037 A1 WO 2005055037A1
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WO
WIPO (PCT)
Prior art keywords
optical mouse
plate
optical
recited
driving signal
Prior art date
Application number
PCT/KR2004/003176
Other languages
French (fr)
Inventor
Soon-Pil Choi
Original Assignee
Chois Technology Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020040020736A external-priority patent/KR100545307B1/en
Application filed by Chois Technology Co., Ltd. filed Critical Chois Technology Co., Ltd.
Publication of WO2005055037A1 publication Critical patent/WO2005055037A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383—Signal control means within the pointing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03543—Mice or pucks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03548—Sliders, in which the moving part moves in a plane
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen

Definitions

  • the present invention relates to an optical mouse operable in a three-dimensional space; and, more particularly, to an optical mouse that is operable in a three-dimensional space and thus supports a user input in a three-dimensional space.
  • an optical mouse moves a cursor displayed on a monitor of a terminal by radiating light with a light emitting diode (LED) installed in the inside of the mouse, acquiring light reflected from a reflection surface, which plays a role of a mouse pad, and sensing the x and y-axial movement quantity of the mouse from the acquired reflective light.
  • the conventional optical mouse necessarily requires a bottom surface or a mouse pad to reflect the light emitted from the optical mouse.
  • the conventional optical mouse cannot be used in a place with a narrow or uneven bottom surface. Moreover, it is impossible to use the optical mouse in a space that does not have a bottom surface, which performs the role of a mouse pad.
  • an optical mouse that can move a cursor displayed on a monitor of a terminal by reflecting the movement of the optical mouse in a three-dimensional space into the cursor.
  • FIG. 1 is a block diagram showing a conventional three-dimensional user input device.
  • An x-coordinate detector 100 senses and detects the x-coordinate movement of the user input device.
  • a y-coordinate detector 110 senses and detects the y-coordinate movement of the user input device, which is perpendicular to the x-coordinate on a plane.
  • a z-coordinate detector 120 senses and detects the z-coordinate movement of the user input device, which is perpendicular to the x and y-coordinates in the space.
  • the posture detector 130 detects the posture of the user input device in the space with respect to the x, y and z axes. Meanwhile, a analog-to-digital (A/D) converter 140 converts and outputs analog signals inputted from the x-coordinate detector 100, the y- coordinate detector 110, the z-coordinate detector 120, and the posture detector 130 into digital signals. Also, a data transmitter 150 transmits movement detected by the respective detectors to a data receiver 170. The data receiver 170 receives the data transmitted from the data transmitter 150 and transmits them to a coordinate calculator 180. The coordinate calculator 180 calculates the coordinates of the user input device in the space based on the data transmitted from the data receiver 170. A coordinates output unit 190 outputs the coordinates calculated in the coordinate calculator 180.
  • a coordinates output unit 190 outputs the coordinates calculated in the coordinate calculator 180.
  • the conventional technology has a problem that it requires to equip the optical mouse with a gyrosensor or an accelerometer additionally and a problem that the movement of a human body is reflected to the movement of the cursor during the operation of the optical mouse because the cursor is moved by sensing the movement of a wrest in the three-dimensional.
  • optical mouse operable in a three-dimensional space.
  • the optical mouse can control a cursor displayed on a monitor of a terminal precisely only with fingers conveniently without being affected by the movement of a human being by providing a plate, which plays the role of the mouse pad, to the body of the optical mouse and moving the mouse in the x and y directions, even though there is no bottom surface which performs the role of a mouse pad.
  • an optical mouse operable in a three-dimensional space which is provided to a terminal, the optical mouse which includes: an optical mouse sensor for radiating light, acquiring reflective light reflected from a reflection surface to which the light is radiated, and converting the reflective light into electric optical signals; a main processing unit for calculating coordinates of a cursor displayed on a monitor of the terminal based on the optical signals and transmitting the coordinates to the terminal; and a space mode input unit for activating a driving signal which drives the optical mouse sensor in response to pressure sensed by a plate.
  • an optical mouse operable in a three-dimensional space which is provided to a terminal, the optical mouse which includes: an optical mouse sensor for radiating light, acquiring reflective light reflected from a reflection surface to which the light is radiated, and converting the reflective light into electric optical signals; a button and wheel input unit including a button and a wheel for generating operation signals based on selection between the button and the wheel; a main processing unit for calculating coordinates of a cursor displayed on a monitor of the terminal based on the optical signals, transmitting the coordinates to the terminal, and generating a control signal based on the operating signals; a space mode input unit for activating a driving signal which drives the optical mouse sensor in response to pressure sensed by a plate; and a data transceiving unit for performing interface between the main processing unit and the terminal.
  • FIG. 1 is a block diagram showing a conventional three-dimensional user input device
  • FIG. 2 is a block diagram illustrating an optical mouse operable in the three- dimensional space in accordance with an embodiment of the present invention
  • FIGs. 3 and 4 are exemplary diagrams describing an input unit for a space mode which is illustrated in Fig. 2;
  • FIG. 5 is illustration showing an example of using the optical mouse operable in the three-dimensional space in accordance with an embodiment of the present invention. Best Mode for Carrying Out the Invention
  • FIG. 2 is a block diagram illustrating an optical mouse operable in the three- dimensional space in accordance with an embodiment of the present invention.
  • the optical mouse operable in the three-dimensional space comprises an optical mouse sensor 210, a button and wheel signal input unit 220, a space mode input unit 230, a main processing unit 240, a data transceiving unit 250, and a space mode selecting switch 260.
  • the optical mouse sensor 210 is activated by the control of the main processing unit 240. It radiates light and acquires a reflective light which is reflected from a reflection surface, converts the reflective light into electric optical signals, and inputs the optical signals to the main processing unit 240.
  • the optical mouse sensor 210 includes a light emitter 211, a light receiver 212, and an image sensor 213.
  • the light emitter 211 radiates light.
  • the light receiver 212 acquires the reflective light reflected from the reflection surface.
  • the image sensor 213 converts the reflective light from the light receiver 212 into electric optical signals and inputs the optical signals to the main processing unit 240.
  • the button and wheel signal input unit 220 which includes a button and a wheel, generates an operating signal based on which one is selected between the button and the wheel and outputs the operating signal to the main processing unit 240.
  • the space mode input unit 230 includes a plate that can be moved and works as a r eflection surface. It activates a driving signal for driving the optical mouse sensor 210 and outputs the driving signal to the optical mouse sensor 210.
  • the main processing unit 240 calculates the coordinates of a cursor which is displayed on a monitor of a terminal, e.g., a personal computer (PC), by the optical signals, transmits the coordinates to the terminal, generates a control signal based on the operating signal, and, if the driving signal is inactivated, initializes the coordinates.
  • a terminal e.g., a personal computer (PC)
  • PC personal computer
  • the data transceiving unit 250 performs interface between the main processing unit 240 and the terminal.
  • the data transceiving unit 250 includes a data transmitter 251 and a data receiver 252.
  • the data transmitter 251 transmits signals inputted from the main processing unit 240 to the terminal.
  • the data receiver 252 transmits signals inputted from the terminal to the main processing unit 240.
  • the space mode selecting switch 260 selects and activates the function of the space mode mouse.
  • FIGs. 3 and 4 are exemplary diagrams describing an input unit for a space mode which is illustrated in Fig. 2.
  • a plate 310 placed in the space mode input unit 230 plays the role of a refection surface. It is preferable that the moving range of the plate 310 is determined based on the range that it can reflect the light radiated by the light emitter 211, but the present invention is not limited to it.
  • a coupler 320 placed in the space mode input unit 230 connects the plate to a body housing of the optical mouse.
  • the coupler 320 can be an instrument having elasticity that can restore the plate 310 to its initial location, such as spring and other functional equivalents thereof.
  • the present invention is not limited to it.
  • a pressure sensor 330 placed in the space mode input unit 230 activates the driving signal, when pressure is applied to the plate 310.
  • the driving signal can be activated only when the plate 310 is pressured. Then, the movement of the plate 310 is reflected to the cursor displayed on the monitor. If no pressure is applied to the plate 310, the movement of the plate 310 is not reflected to the cursor in the monitor.
  • Te pressure sensor 330 can be a sensor that can sense a predetermined level of pressure, but the present invention is not limited to it.
  • the pressure sensor 330 includes a sensor plate. It is obvious to those skilled in the art that the sensor covers the moving range of the plate 310 so that it can sense the plate 310 wherever the plate 310 is located.
  • the pressure sensor 330 can be replaced with a switch for selecting activation and inactivation of the driving signal, but the present invention is not limited to it. If the driving signal is activated by the switch, the movement of the plate 310 is reflected to the cursor displayed on the monitor. If the driving signal is inactivated by the switch, the movement of the plate 310 is not reflected to the cursor displayed on the monitor.
  • FIG. 5 is illustration showing an example of using the optical mouse operable in the three-dimensional space in accordance with an embodiment of the present invention.
  • the operation of the optical mouse operable in a three-dimensional space of the present invention will be described with reference to Fig. 5.
  • a user activates the driving signal by grabbing the body of the optical mouse of the present invention which is in the shape of a conventional optical mouse which is turned upside down.
  • the body housing of the optical mouse is designed to be grabbed by the user easily and conveniently in the space.
  • the driving signal is activated by the user applying pressure to the plate 310.
  • the driving signal is activated by the user switching to activate the driving signal.
  • the driving signal can be inactivated by removing the pressure applied to the plate 310 or manipulating the switch.
  • optical mouse operable in the space can be performed through wire or wirelessly, as illustrated in Fig. 5.
  • the optical mouse operable in the space can communicate with the terminal by using serial ports, PS2 ports, Universal Serial Bus (USB) ports, Institute of Electrical and Electronics Engineers (IEEE) ports, Infrared Data Association (IrDA) ports and the like, but the present invention is not limited to it.
  • the present invention provides an optical mouse operable in a three-dimensional space, which can control a cursor displayed on a monitor of a terminal precisely only with fingers conveniently without being affected by the movement of a human being by providing a plate, which plays the role of the mouse pad, to the body of the optical mouse and moving the mouse in the x and y directions, even through thee is no bottom surface which performs the role of a mouse pad.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

Provided is an optical mouse operable in a three-dimensional space, which can control a cursor displayed on a monitor of a terminal precisely with fingers conveniently without being affected by movement of a human being by including a plate, which plays the role of the mouse pad, in the body of the optical mouse and moving the mouse in the x and y directions, even through there is no bottom surface which performs the role of a mouse pad. The optical mouse includes: an optical mouse sensor for radiating light, acquiring reflective light, and converting the reflective light into optical signals; a main processor for calculating coordinates of a cursor on the monitor based on the optical signals and transmitting them to the terminal; and a space mode input unit for activating a driving signal which drives the optical mouse sensor in response to pressure sensed by a plate.

Description

Description OPTICAL MOUSE OPERABLE IN 3-DIMENSIONAL SPACE Technical Field
[1] The present invention relates to an optical mouse operable in a three-dimensional space; and, more particularly, to an optical mouse that is operable in a three-dimensional space and thus supports a user input in a three-dimensional space. Background Art
[2] Generally, an optical mouse moves a cursor displayed on a monitor of a terminal by radiating light with a light emitting diode (LED) installed in the inside of the mouse, acquiring light reflected from a reflection surface, which plays a role of a mouse pad, and sensing the x and y-axial movement quantity of the mouse from the acquired reflective light. The conventional optical mouse necessarily requires a bottom surface or a mouse pad to reflect the light emitted from the optical mouse.
[3] As a result, the conventional optical mouse cannot be used in a place with a narrow or uneven bottom surface. Moreover, it is impossible to use the optical mouse in a space that does not have a bottom surface, which performs the role of a mouse pad.
[4] To solve the above problem, developed is an optical mouse that can move a cursor displayed on a monitor of a terminal by reflecting the movement of the optical mouse in a three-dimensional space into the cursor.
[5] Fig. 1 is a block diagram showing a conventional three-dimensional user input device.
[6] An x-coordinate detector 100 senses and detects the x-coordinate movement of the user input device. A y-coordinate detector 110 senses and detects the y-coordinate movement of the user input device, which is perpendicular to the x-coordinate on a plane. A z-coordinate detector 120 senses and detects the z-coordinate movement of the user input device, which is perpendicular to the x and y-coordinates in the space.
[7] The posture detector 130 detects the posture of the user input device in the space with respect to the x, y and z axes. Meanwhile, a analog-to-digital (A/D) converter 140 converts and outputs analog signals inputted from the x-coordinate detector 100, the y- coordinate detector 110, the z-coordinate detector 120, and the posture detector 130 into digital signals. Also, a data transmitter 150 transmits movement detected by the respective detectors to a data receiver 170. The data receiver 170 receives the data transmitted from the data transmitter 150 and transmits them to a coordinate calculator 180. The coordinate calculator 180 calculates the coordinates of the user input device in the space based on the data transmitted from the data receiver 170. A coordinates output unit 190 outputs the coordinates calculated in the coordinate calculator 180.
[8] However, the conventional technology has a problem that it requires to equip the optical mouse with a gyrosensor or an accelerometer additionally and a problem that the movement of a human body is reflected to the movement of the cursor during the operation of the optical mouse because the cursor is moved by sensing the movement of a wrest in the three-dimensional.
[9] Disclosure of Invention Technical Problem
[10] It is, therefore, an object of the present invention to provide an optical mouse operable in a three-dimensional space. The optical mouse can control a cursor displayed on a monitor of a terminal precisely only with fingers conveniently without being affected by the movement of a human being by providing a plate, which plays the role of the mouse pad, to the body of the optical mouse and moving the mouse in the x and y directions, even though there is no bottom surface which performs the role of a mouse pad. Technical Solution
[11] In accordance with one aspect of the present invention, there is provided an optical mouse operable in a three-dimensional space which is provided to a terminal, the optical mouse which includes: an optical mouse sensor for radiating light, acquiring reflective light reflected from a reflection surface to which the light is radiated, and converting the reflective light into electric optical signals; a main processing unit for calculating coordinates of a cursor displayed on a monitor of the terminal based on the optical signals and transmitting the coordinates to the terminal; and a space mode input unit for activating a driving signal which drives the optical mouse sensor in response to pressure sensed by a plate.
[12] In accordance with one aspect of the present invention, there is provided an optical mouse operable in a three-dimensional space which is provided to a terminal, the optical mouse which includes: an optical mouse sensor for radiating light, acquiring reflective light reflected from a reflection surface to which the light is radiated, and converting the reflective light into electric optical signals; a button and wheel input unit including a button and a wheel for generating operation signals based on selection between the button and the wheel; a main processing unit for calculating coordinates of a cursor displayed on a monitor of the terminal based on the optical signals, transmitting the coordinates to the terminal, and generating a control signal based on the operating signals; a space mode input unit for activating a driving signal which drives the optical mouse sensor in response to pressure sensed by a plate; and a data transceiving unit for performing interface between the main processing unit and the terminal. Brief Description of the Drawings
[13] The above and other objects and features of the present invention will become apparent from the following description of the preferred embodiments given in conjunction with the accompanying drawings, in which:
[14] Fig. 1 is a block diagram showing a conventional three-dimensional user input device;
[15] Fig. 2 is a block diagram illustrating an optical mouse operable in the three- dimensional space in accordance with an embodiment of the present invention;
[16] Figs. 3 and 4 are exemplary diagrams describing an input unit for a space mode which is illustrated in Fig. 2; and
[17] Fig. 5 is illustration showing an example of using the optical mouse operable in the three-dimensional space in accordance with an embodiment of the present invention. Best Mode for Carrying Out the Invention
[18] Other objects and aspects of the invention will become apparent from the following description of the embodiments with reference to the accompanying drawings, which is set forth hereinafter.
[19] Fig. 2 is a block diagram illustrating an optical mouse operable in the three- dimensional space in accordance with an embodiment of the present invention. The optical mouse operable in the three-dimensional space comprises an optical mouse sensor 210, a button and wheel signal input unit 220, a space mode input unit 230, a main processing unit 240, a data transceiving unit 250, and a space mode selecting switch 260.
[20] The optical mouse sensor 210 is activated by the control of the main processing unit 240. It radiates light and acquires a reflective light which is reflected from a reflection surface, converts the reflective light into electric optical signals, and inputs the optical signals to the main processing unit 240.
[21] The optical mouse sensor 210 includes a light emitter 211, a light receiver 212, and an image sensor 213. The light emitter 211 radiates light. The light receiver 212 acquires the reflective light reflected from the reflection surface. The image sensor 213 converts the reflective light from the light receiver 212 into electric optical signals and inputs the optical signals to the main processing unit 240. The button and wheel signal input unit 220, which includes a button and a wheel, generates an operating signal based on which one is selected between the button and the wheel and outputs the operating signal to the main processing unit 240.
[22] The space mode input unit 230 includes a plate that can be moved and works as a r eflection surface. It activates a driving signal for driving the optical mouse sensor 210 and outputs the driving signal to the optical mouse sensor 210.
[23] The main processing unit 240 calculates the coordinates of a cursor which is displayed on a monitor of a terminal, e.g., a personal computer (PC), by the optical signals, transmits the coordinates to the terminal, generates a control signal based on the operating signal, and, if the driving signal is inactivated, initializes the coordinates.
[24] The data transceiving unit 250 performs interface between the main processing unit 240 and the terminal. The data transceiving unit 250 includes a data transmitter 251 and a data receiver 252. The data transmitter 251 transmits signals inputted from the main processing unit 240 to the terminal. The data receiver 252 transmits signals inputted from the terminal to the main processing unit 240.
[25] The space mode selecting switch 260 selects and activates the function of the space mode mouse.
[26] Figs. 3 and 4 are exemplary diagrams describing an input unit for a space mode which is illustrated in Fig. 2.
[27] A plate 310 placed in the space mode input unit 230 plays the role of a refection surface. It is preferable that the moving range of the plate 310 is determined based on the range that it can reflect the light radiated by the light emitter 211, but the present invention is not limited to it.
[28] A coupler 320 placed in the space mode input unit 230 connects the plate to a body housing of the optical mouse. Herein, the coupler 320 can be an instrument having elasticity that can restore the plate 310 to its initial location, such as spring and other functional equivalents thereof. However, the present invention is not limited to it.
[29] A pressure sensor 330 placed in the space mode input unit 230 activates the driving signal, when pressure is applied to the plate 310. In other words, the driving signal can be activated only when the plate 310 is pressured. Then, the movement of the plate 310 is reflected to the cursor displayed on the monitor. If no pressure is applied to the plate 310, the movement of the plate 310 is not reflected to the cursor in the monitor. Te pressure sensor 330 can be a sensor that can sense a predetermined level of pressure, but the present invention is not limited to it.
[30] The pressure sensor 330 includes a sensor plate. It is obvious to those skilled in the art that the sensor covers the moving range of the plate 310 so that it can sense the plate 310 wherever the plate 310 is located.
[31] The pressure sensor 330 can be replaced with a switch for selecting activation and inactivation of the driving signal, but the present invention is not limited to it. If the driving signal is activated by the switch, the movement of the plate 310 is reflected to the cursor displayed on the monitor. If the driving signal is inactivated by the switch, the movement of the plate 310 is not reflected to the cursor displayed on the monitor.
[32] Fig. 5 is illustration showing an example of using the optical mouse operable in the three-dimensional space in accordance with an embodiment of the present invention. Hereafter, the operation of the optical mouse operable in a three-dimensional space of the present invention will be described with reference to Fig. 5.
[33] First, a user activates the driving signal by grabbing the body of the optical mouse of the present invention which is in the shape of a conventional optical mouse which is turned upside down. Herein, it is preferable that the body housing of the optical mouse is designed to be grabbed by the user easily and conveniently in the space.
[34] In case where the pressure sensor 330 is formed, the driving signal is activated by the user applying pressure to the plate 310. In case where the switch is formed, the driving signal is activated by the user switching to activate the driving signal.
[35] Subsequently, in case where the pressure sensor 330 is used, the user moves the plate while applying pressure to it. In case where the switch is used, the user just moves the plate 310 and then the movement of the plat 310 is reflected to the generation of optical signals in the optical mouse sensor 210 to thereby move the cursor displayed on the monitor.
[36] If the user wants not to reflect the movement of the plate 310 to the movement of the cursor or the user wants to initialize the location of the plate 310 without moving the cursor, the driving signal can be inactivated by removing the pressure applied to the plate 310 or manipulating the switch.
[37] The commuriication between the optical mouse operable in the space and the terminal, e.g., a desktop computer and a laptop computer, can be performed through wire or wirelessly, as illustrated in Fig. 5. In other words, the optical mouse operable in the space can communicate with the terminal by using serial ports, PS2 ports, Universal Serial Bus (USB) ports, Institute of Electrical and Electronics Engineers (IEEE) ports, Infrared Data Association (IrDA) ports and the like, but the present invention is not limited to it.
[38] The present application contains subject matter related to Korean patent application Nos. 2003-87329 and 2004-20736, filed in the Korean Intellectual Property Office on December 3, 2003, and March 26, 2004, respectively, the entire contents of which is incorporated herein by reference.
[39] While the present invention has been described with respect to certain preferred embodiments, it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims. Industrial Applicability
[40] The present invention provides an optical mouse operable in a three-dimensional space, which can control a cursor displayed on a monitor of a terminal precisely only with fingers conveniently without being affected by the movement of a human being by providing a plate, which plays the role of the mouse pad, to the body of the optical mouse and moving the mouse in the x and y directions, even through thee is no bottom surface which performs the role of a mouse pad.

Claims

Claims
[1] An optical mouse operable in a three-dimensional space which is provided to a terminal, comprising: an optical mouse sensor for radiating light, acquiring reflective light reflected from a reflection surface to which the light is radiated, and converting the reflective light into electric optical signals; a main processing unit for calculating coordinates of a cursor displayed on a monitor of the terminal based on the optical signals and transmitting the coordinates to the terminal; and a space mode input unit for activating a driving signal which drives the optical mouse sensor, in response to pressure sensed by a plate. [2] The optical mouse as recited in claim 1, wherein the main processing unit initializes the coordinates, if the driving signal is inactivated. [3] The optical mouse as recited in claim 1, wherein the space mode input unit includes: the plate that movable and works as the reflection surface; a coupler for connecting the plate to a body housing of the optical mouse; and a pressure sensor for activating the driving signal if pressure is applied to the plate. [4] The optical mouse as recited in claim 1, wherein the space mode input unit includes: the plate that is movable and works as the reflection surface; a coupler for connecting the plate to a body housing of the optical mouse; and a switch for switching activation and inactivation of the driving signal. [5] The optical mouse as recited in claim 3, wherein the coupler can be extended and contracted and has elasticity to restore the plate to the initial location. [6] The optical mouse as recited in claim 4, wherein the coupler can be extended and contracted and has elasticity to restore the plate to the initial location. [7] An optical mouse operable in a three-dimensional space which is provided to a terminal, comprising: an optical mouse sensor for radiating light, acquiring reflective light reflected from a reflection surface to which the light is radiated, and converting the reflective light into electric optical signals; a button and wheel input unit including a button and a wheel for generating operation signals based on selection between the button and the wheel; a main processing unit for calculating coordinates of a cursor displayed on a monitor of the terminal based on the optical signals, transmitting the coordinates to the terminal, and generating a control signal based on the operating signals; a space mode input unit for activating a driving signal which drives the optical mouse sensor in response to pressure sensed by a plate; and a data transceiving unit for performing interface between the main processing unit and the terminal. [8] The optical mouse as recited in claim 7, wherein the main processing unit initializes the coordinates, if the driving signal is inactivated. [9] The optical mouse as recited in claim 7, wherein the space mode input unit includes: the plate that is movable and works as the reflection surface; a coupler for connecting the plate to a body housing of the optical mouse; and a pressure sensor for activating the driving signal if pressure is applied to the p late. [10] The optical mouse as recited in claim 7, wherein the space mode input unit includes: the plate that is movable and works as the reflection surface; a coupler for connecting the plate to a body housing of the optical mouse; and a switch for switching activation and inactivation of the driving signal. [11] The optical mouse as recited in claim 9, wherein the coupler can be extended and contracted and has elasticity to restore the plate to the initial location. [12] The optical mouse as recited in claim 10, wherein the coupler can be extended and contracted and has elasticity to restore the plate to the initial location.
PCT/KR2004/003176 2003-12-03 2004-12-03 Optical mouse operable in 3-dimensional space WO2005055037A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2003-0087329 2003-12-03
KR20030087329 2003-12-03
KR10-2004-0020736 2004-03-26
KR1020040020736A KR100545307B1 (en) 2003-12-03 2004-03-26 Optical mouse operable in 3 dimensional space

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US7543750B2 (en) 2005-11-08 2009-06-09 Microsoft Corporation Laser velocimetric image scanning
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Publication number Priority date Publication date Assignee Title
US7557795B2 (en) 2005-06-30 2009-07-07 Microsoft Corporation Input device using laser self-mixing velocimeter
US7994468B2 (en) 2005-08-30 2011-08-09 Koninklijke Philips Electronics N.V. Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser
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US7543750B2 (en) 2005-11-08 2009-06-09 Microsoft Corporation Laser velocimetric image scanning
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