Cursor positioning device for computer system

A cursor positioning device for control displacement and positioning of a cursor on a display of a computer device via a control circuit, said cursor positioning device comprising:

• a lower housing having four upward stand and two recesses for containing an X-axis and a Y-axis photo detector;
• a frame having opposite bars serving as X-axis guide slot and Y-axis guide slot;
• an upper housing having a left switch push button, a right switch push button, and a middle switch push button, the upper housing being formed with a concave portion thereon as an effective positioning area;
• a fasten wire;
• a finger controllable member in a square form, composed of an upper case, a bottom case, a magnetic member, and a smooth member;
• a X-axis slide bar with a X-axis flexible photo encoder which is jointed its two ends by a rivet plate on one end section of the X-axis slide bar, and the two ends of which is formed with guide extension;
• a Y-axis slide bar with a Y-axis flexible photo encoder which is jointed its two ends by a rivet plate on one end section of the Y-axis slide bar, and the two ends of which is formed with guide extension;
• the X-axis photo detector is comprised of an upper case, a lower case, a LED, a photo transistor, and a calibrating photo encoder attached to the surface of the photo transistor, the upper case being formed with a recess for providing a slide space for the Y-axis flexible photo encoder;
• the Y-axis photo detector is comprised of an upper case, a lower case, a LED, a photo transistor, and a calibrating photo encoder attached to the surface of the photo transistor, the upper case being formed with a recess for providing a slide space for the X-axis flexible photo encoder;
• a control circuit board equipped with a left switch, a right switch, and a middle switch, a control circuit being arranged on the circuit board for processing signals generated by the photo detectors and transmitting the processed signals to the computer;
• wherein the magnetic member of the finger controllable member is capable of moving the X-axis slide bar and the Y-axis slide bar to further rotate the Y-axis flexible photo encoder and the X-axis flexible photo encoder respectively, the rotation of the Y-axis flexible photo encoder and the X-axis flexible photo encoder being respectively detected by the X-axis photo detector and the Y-axis photo detector to generate a X-axis and a Y-axis coordinate data, with operation of the left switch push button, the right switch push button, and the middle switch push button, to input the X-axis and Y-axis coordinate data of displacement and positioning of the finger controllable member via the control circuit to the computer, under operation mode that the displacement of the cursor on the display is proportional to that of the finger controllable member on the effective positioning area.

A cursor positioning device for control displacement and positioning of a cursor on a display of a computer device via a control circuit, said cursor positioning device comprising:

• a lower housing having four upward stand and two recesses for containing an X-axis and a Y-axis photo detector;
• a frame having opposite bars serving as X-axis guide slot and Y-axis guide slot;
• an upper housing having a left switch push button, a right switch push button, and a middle switch push button, the upper housing being formed with a X-axis guide slot and a Y-axis guide slot;
• a finger controllable member in a square form, composed of an upper case, a bottom case for containing a X-axis slide bar and a Y-axis slide bar;
• the X-axis photo detector is comprised of an upper case, a lower case, a LED, a photo transistor, and a calibrating photo encoder attached to the surface of the photo transistor, the upper case being formed with a recess for providing a slide space for the Y-axis flexible photo encoder;
• the Y-axis photo detector is comprised of an upper case, a lower case, a LED, a photo transistor, and a calibrating photo encoder attached to the surface of the photo transistor, the upper case being formed with a recess for providing a slide space for the X-axis flexible photo encoder;
• a control circuit board equipped with a left switch, a right switch, and a middle switch, a control circuit being arranged on the circuit board for processing signals generated by the photo detectors and transmitting the processed signals to the computer;
• wherein the finger controllable member is operationally slidable on the upper housing and correspondingly moves a magnetic member inside the inner space formed by the upper housing and the lower housing, the movement of the magnetic member being capable of moving the X-axis slide bar and the Y-axis slide bar to further rotate the Y-axis flexible photo encoder and the X-axis flexible photo encoder respectively, the rotation of the Y-axis flexible photo encoder and the X-axis flexible photo encoder being respectively detected by the X-axis photo detector and the Y-axis photo detector to generate a X-axis and a Y-axis coordinate data, with operation of the left switch push button, the right switch push button, and the middle switch push button, to input the X-axis and Y-axis coordinate data of displacement and positioning of the finger controllable member via the control circuit to the computer, under operation mode that the displacement of the cursor on the display is proportional to that of the finger controllable member on the effective positioning area.

A cursor positioning device for control displacement and positioning of a cursor on a display of a computer device via a control circuit, said cursor positioning device comprising:

• a lower housing;
• an upper housing having a left switch push button, a right switch push button, and a middle switch push button, the upper housing being provided with a pair of X-axis guide slots;
• a finger controllable member in a square form, composed of an upper case and a bottom case for containing a X-axis slide bar;
• a X-axis movable photo encoder with printed patterns including a series of mask sections and transparent sections interleavingly, the encoder further having two guide extensions formed at two ends thereof;
• a Y-axis movable photo encoder with printed patterns including a series of mask sections and transparent sections interleavingly, the encoder further having two guide extensions formed at two ends thereof;
• a X-axis photo detector composed of an upper case, a lower case, a LED, a photo transistor, and a calibrating photo encoder attached to the surface of the photo transistor, the
• upper case being formed with a recess for providing a slide space for the X-axis movable photo encoder;
• a Y-axis photo detector composed of an upper case, a lower case, a LED, a photo transistor, and a calibrating photo encoder attached to the surface of the photo transistor, the upper case being formed with a recess for providing a slide space for the Y-axis movable photo encoder;
• an inside slidable member for fixing the X-axis photo detector, the Y-axis photo detector, the top surface of the slidable member being attached with a magnetic member and a smooth member;
• and
• a control circuit board equipped with a left switch, a right switch, and a middle switch, a control circuit being arranged on the circuit board for processing signals generated by the photo detectors and transmitting the processed signals to the computer;
• wherein the finger controllable member is operationally slidable on the concave portion of the upper housing and correspondingly moves the inside slidable member by means of magnetic force between the magnetic members associated on the finger controllable member and the inside slidable member, the movement of the inside slidable member capable of moving the X-axis photo detector and the Y-axis photo detector along the X-axis movable photo encoder and the Y-axis photo encoder respectively, with operation of the left switch push button, the right switch push button, and the middle switch push button, to input the X-axis and the Y-axis coordinate data of displacement and positioning of the finger controllable member via the control circuit to the computer, under operation mode that the displacement of the cursor on the display is proportional to that of the finger controllable member on the effective positioning area.