WO1996036914A1 - Dispositif de commande de type mecanique-optique permettant de definir les coordonnees absolues d'un curseur - Google Patents

Dispositif de commande de type mecanique-optique permettant de definir les coordonnees absolues d'un curseur Download PDF

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Publication number
WO1996036914A1
WO1996036914A1 PCT/CN1995/000042 CN9500042W WO9636914A1 WO 1996036914 A1 WO1996036914 A1 WO 1996036914A1 CN 9500042 W CN9500042 W CN 9500042W WO 9636914 A1 WO9636914 A1 WO 9636914A1
Authority
WO
WIPO (PCT)
Prior art keywords
axis
light
grating
group
photoelectric
Prior art date
Application number
PCT/CN1995/000042
Other languages
English (en)
Chinese (zh)
Inventor
Meiyung Chen
Original Assignee
Meiyung Chen
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
Application filed by Meiyung Chen filed Critical Meiyung Chen
Priority to AU24436/95A priority Critical patent/AU2443695A/en
Priority to PCT/CN1995/000042 priority patent/WO1996036914A1/fr
Priority to DE19581938T priority patent/DE19581938T1/de
Priority to JP8534432A priority patent/JPH11505346A/ja
Publication of WO1996036914A1 publication Critical patent/WO1996036914A1/fr

Links

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
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • 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

Definitions

  • the invention relates to a computer data input device, in particular to a positioning control device that can control a display screen cursor in a two-dimensional or three-dimensional manner, and can perform cursor control on a computer display.
  • cursor control technology In the traditional computer monitor cursor control technology, commonly used devices include keyboards, mice, trackballs, touch screens, light pens, etc. These devices can control the movement of cursors on the display screen and execute selections in computer programs. Features.
  • the main object of the present invention is to provide an absolute coordinate control device for shifting the cursor of a computer display screen, which can operate the display screen cursor in the two-dimensional or three-dimensional absolute coordinate operation mode, and Positioning.
  • Another object of the present invention is to provide a mechanical-optical three-dimensional absolute coordinate control device.
  • the control mechanism is mainly composed of a concave box body, a rod body, a sliding handle, and three axially arranged X, Y, and Z axes.
  • the grating sheet is composed of three photoelectric groups matched with the grating sheet.
  • the movement of the X and Y axis gratings can be operated, and a series of pulse signals representing the Z and X axis displacement are sent by the corresponding photoelectric group to the computer, and
  • the Z-axis grating can be moved longitudinally, and a series of pulse signals representing the Z-axis displacement generated by the corresponding photoelectric group are sent to the computer.
  • the present invention is characterized in that two rows of grating plates are used, and the upper row and the lower row are displaced by a 90 degree angle. Therefore, in the production process, the focusing of the light emitting diode and the two phototransistors is very easy.
  • the boundary between the two ends can be directly determined by the arrangement of the movable grating, and the minimum (min) and the maximum (max) can be directly discriminated, so the circuit flow is more concise.
  • FIG. 1 is a schematic diagram of a connection between a positioning device and a computer system according to the present invention
  • FIG. 2 is an exploded perspective view of a first embodiment of the present invention
  • FIG. 3A is a structural diagram of a grating sheet according to the present invention.
  • 3B is a layout diagram of a light emitting diode and a phototransistor matched with the grating plate of FIG. 3A;
  • FIG. 3C is a schematic diagram showing the arrangement between the light-emitting diode and the phototransistor of FIG. 3A and FIG. 3B;
  • FIG. 3D is a series of signals generated according to the light-emitting diode of FIG. 3A;
  • FIG. 3E is a diagram showing a signal state generated by the signal of FIG. 3D;
  • FIG. 3F is an exploded view between a grating sheet, a light emitting diode, and a phototransistor according to another embodiment of the present invention
  • FIG. 3G is a schematic diagram showing a configuration between the grating sheet, the light emitting diode, and a phototransistor in the embodiment of FIG. 3F
  • FIG. 3H is a display A series of signals generated according to the structure of the grating sheet in FIG. 3F;
  • FIG. 31 is one of the boundary schematic embodiments according to FIG. 3F;
  • FIG. 3J is a second schematic diagram of the embodiment according to FIG. 3F;
  • FIG. 3K is a third schematic embodiment of the boundary according to FIG. 3F;
  • FIG. 4 is an exploded perspective view of a second embodiment of the present invention.
  • 5A is an exploded perspective view of a third embodiment of the present invention.
  • FIG. 5B is a perspective view of a third embodiment of the present invention shown in FIG. 5A;
  • FIG. 6A is an exploded perspective view of a fourth embodiment of the present invention.
  • FIG. 6B is a perspective view of a fourth embodiment of the present invention shown in FIG. 6A;
  • FIG. 6C is a side sectional view of a handle in a fourth embodiment of the present invention shown in FIG. 6A;
  • 7A is a control circuit diagram used in the first and second embodiments of the present invention
  • 7B is a control circuit diagram used in the third embodiment of the present invention
  • Fig. 8E is a control flowchart according to the embodiment of Figs. 31, J, and K.
  • the positioning device 1 of the present invention is connected to a computer 2 via a cable.
  • the conventional computer includes a display and a keyboard for data input.
  • the positioning device 1 has a sliding handle 3, and the position of the cursor on the display of the computer 2 can be controlled by the sliding operation method of the sliding handle 3.
  • FIG. 2 is an exploded perspective view of the first embodiment of the present invention.
  • the main components include a concave box body 10, a sliding handle 3, a rod body 32, a first photoelectric group 41, a second photoelectric group 42, an X-axis grating sheet 51, and a Y-axis.
  • a first fixed grating plate 56 is spaced between the light emitting diode 561 and a sheet of two phototransistors 562.
  • a second fixed grating plate 57 is also interposed between the light-emitting diode and the phototransistor, and the fixed grating plate can be directly attached to the light-emitting diode.
  • the X-axis grating 51 and the Y-axis grating 52 are used as movable gratings.
  • the inside of the concave box body 10 provides a space for accommodating various components and a sliding space for related components.
  • a first pair of transverse plates 11, 12 is formed on a corresponding inner side wall of the concave box body 10, and a second pair of transverse plates I, 12 'is also formed on the other inner side wall orthogonal to the inner side wall.
  • a circuit substrate 6 is also housed in the concave box body 10, and a common data transmission circuit (such as a commonly used RS232 interface) can be arranged on the circuit substrate, so that the positioning device of the present invention can transmit data with a computer.
  • the box may be provided with control keys 71, 72 to perform control key functions similar to a computer mouse.
  • the X-axis grating plate 51 can slide between the second pair of horizontal plates 11 ′ and 12 ′ of the concave box body 10 in the direction of the arrow 211; the Y-axis grating plate 52 can be moved in the first box of the concave box body 10. Sliding between a pair of horizontal plates 11 and 12 in the direction of arrow 311.
  • the present invention has two corresponding photoelectric groups, each of which includes a bracket, a light emitting diode, and a phototransistor.
  • the middle portion of the bracket has a through slot, so when the grating plate passes through the bracket When the two pass through the slot and the two move relative to each other, the movement of the grating can be detected by receiving or blocking the light between the light emitting diode and the phototransistor of the photovoltaic group.
  • the rod body 32 is a hollow columnar structure that can be used to move the X-axis grating 51 and the Y-axis grating plate 52.
  • the photoelectric group 41 is provided on a side wall of the rod body 32, and the second photoelectric group 42 is provided on the rod body 32. On the other side.
  • the X-axis grating 51 can be operated to move in the direction of the arrow 211.
  • the second photoelectric group 42 reads the Y-axis grating and the Y-axis grating.
  • the relative displacement of 52 so a series of pulse signals representing the Y-axis displacement can be generated by the phototransistors of the second photoelectric group 42 and sent to the computer.
  • the Y-axis grating plate 52 By moving the rod body 32, the Y-axis grating plate 52 can be operated to move in the direction of arrow 311. While moving, the relative displacement of the X-axis grating plate 51 with the X-axis grating plate 51 is read by the second photoelectric group 41, so A series of pulse signals representing the X-axis displacement can be generated by the phototransistors of the first photoelectric group 41 and sent to the computer.
  • the present invention has a sliding handle 3 that is convenient for the user to hold and control with his hand.
  • the sliding handle 3 is combined with the lever body 32, so it can be borrowed.
  • a push switch 31 can be provided at the bottom of the sliding handle 3.
  • a fixed plate is fixed, which can be used to replace the function of the "input" key on the keyboard. It can be known from the description of this embodiment that the two sets of grating plates are movable, and the two sets of photoelectric groups are also movable.
  • the first and second grating plates have the functions of light shielding and light transmission, and the conventional optically coded light transmission slot structure or printing can be used to achieve the purpose of light shielding and light transmission. In the present invention, it is preferably formed by printing.
  • the fixed grating can be directly attached to the LED.
  • the aforementioned first photoelectric group 41 includes a bracket, a light emitting diode 561, two phototransistors 562, and a first fixed grating plate 56.
  • the fixed grating plate can be directly attached to the light emitting diode, wherein the light emitting diode and a phototransistor are Correspondingly, they are respectively embedded on the two legs of the bracket.
  • the light-emitting diode may also be a laser diode. In this case, a fixed light-shielding sheet is not required.
  • the light shielding section and the light transmitting section of the upper and lower rows are arranged on the grating plate 51 (illustrated by the first grating plate), as shown in FIG. 3A.
  • the widths of the light-shielding and light-transmitting sections in the upper and lower rows are equal, and the phase difference is 90 degrees.
  • the fixed grating sheet 56 is a thin transparent sheet printed with a thickness of about one-sixth of that of the crystal.
  • the width of the light-shielding region and the light-transmitting region are equal to each other and correspond to the movable grating sheet 51 to facilitate the light to move in parallel.
  • FIG. 3B and FIG. 3C The corresponding relationship between the light-emitting diode and the phototransistor (ie, the first photo-electric group 41) configured in accordance with the structure of the grating plate is shown in FIG. 3B and FIG. 3C. Therefore, when the grating plate and the photoelectric group are relatively moved, the light emitting diode The emitted light passes through the fixed grating plate, and then the grating plate shown in FIG. 3A generates a light-transmitting or light-shielding signal to generate a series of signals XA and XB as shown in FIG. 3D. The data knows whether the direction of rural movement is moving to the left or right, and generates a boundary value.
  • the computer After receiving the aforementioned XA and XB signals, the computer can determine the movement direction X +, X-according to the binary value of its signal, refer to the state diagram of the figure, and then obtain the Xmax and Xmin based on the X + and X- signals.
  • the combing signal is temporarily stored in the recorder for the determination of the control program.
  • FIG. 3F is an exploded view between a grating sheet, a light-emitting diode, and a phototransistor according to another embodiment of the present invention
  • FIG. 3G is a schematic plan view of the plane configuration between the grating sheet, the light-emitting diode, and the phototransistor in the embodiment of FIG. 3F.
  • two light emitting diodes 581, 582 and four phototransistors 583, 584, 585.586 are used.
  • This embodiment also includes a fixed grating 56.
  • the movable grating 58 is A single-row light-shielding and light-transmitting design is used, which is different from the double-row design shown in FIG. 3A.
  • FIG. 3F is an exploded view between a grating sheet, a light-emitting diode, and a phototransistor according to another embodiment of the present invention
  • FIG. 3G is a schematic plan view of the plane configuration between the grating sheet,
  • FIG. 31 is one of the schematic embodiments of the boundary according to FIG. 3F; One and a half times the normal light and dark, that is, a 90-degree displacement occurs in the phototransistors 584, 585.
  • the phototransistors 583, 584 or 585, 586 are originally in the same phase.
  • the 581 on the chirped active grating 58 changes in phase between the phototransistors 583, 584 and 583, 584, so that the phase is the largest.
  • the maximum signal can be obtained by changing the phase of the phototransistor phases 585 and 586.
  • Fig. 3J is the second schematic embodiment of the boundary according to Fig. 3F.
  • FIG. 3K is the third schematic embodiment of the boundary according to FIG.
  • FIG. 3H shows a series of signals generated according to the structure of the grating sheet of FIG. 3F. According to the technology of the present invention, it can be positioned at any single corner position, instead of having to be positioned at the four corner ends as in the aforementioned U.S. patent.
  • the main constituent components include a concave box body 10, a rod body 32, a first photovoltaic group 41, a second photovoltaic group 42, an X-axis grating sheet 51, a Y-axis grating sheet 52, and a bottom plate.
  • the bottom plate 8 is used as the base of the positioning device of the present invention, and the rod body 32 is fixed at the central position.
  • the group 41 and the second photoelectric group 42 may be respectively disposed on adjacent side walls of the rod body 32.
  • Each photovoltaic group includes a bracket, a light emitting diode and a phototransistor, and a through hole is still provided at the middle of the bracket.
  • the inner space formed by the concave box body 10 and the bottom plate 8 provides a sliding space for related components.
  • a first pair of transverse plates 11 and 12 are formed on a corresponding inner side wall of the concave box body 10 for sliding of the Y-axis grating sheet 52, and another pair of inner side walls orthogonal to the inner side wall are also formed.
  • the second pair of horizontal plates 11 12 is used for sliding of the X-axis grating sheet 51.
  • the concave box body 10 is moved with the base plate 8 as the center.
  • the rod body 32, the first photoelectric group 41, and the second photoelectric group 42 are fixed on the base plate 8. Therefore, the X-axis grating sheet 51 can slide between the second pair of transverse plates 11 ′ and 12 ′ of the concave box body 10.
  • the X-axis grating sheet 51 and the first photoelectric group 41 generate a The relative displacement (as indicated by arrow 211), so that the light between the light-emitting diodes of the first photoelectric group 41 and the phototransistor can be received or blocked, thereby detecting the movement of the X-axis grating plate 51, so A series of pulse signals representing the X-axis displacement can be generated by the phototransistors of the first photoelectric group 41 and sent to the computer.
  • the Y-axis grating sheet 52 slides between the first pair of horizontal plates 11 and 12 of the concave box body 10
  • the Y-axis grating sheet 52 will generate a relative displacement with the second photoelectric group 42 (such as arrow 311).
  • the phototransistor generates a series of pulse signals representing the Y-axis displacement and sends it to the computer.
  • the two sets of grating plates and the concave box body 10 are movable, and the two photoelectric groups are fixed.
  • the structure of the grating sheet used in this embodiment may be the same as that used in the aforementioned first embodiment.
  • Fig. 5A shows a third embodiment of the present invention
  • Fig. 5B is a perspective view of the third embodiment of the present invention shown in Fig. 5A.
  • This embodiment can be used as the three-dimensional positioning control of the display screen cursor, and can also be used as the X, Y, and Z three-axis control to perform the three-axis position control of the display cursor.
  • its mechanism includes three axes: X, Y, and Z.
  • the main components include a concave box 10, a rod 32, a first photovoltaic group 41, a second photovoltaic group 42, and a third photovoltaic group 43. , An X-axis grating 51, a Z-axis grating 52, and a Z-axis grating 53.
  • the bottom plate 8 is used as a base of the positioning device of the present invention, and the Z-axis grating plate 53 is fixed at a central position thereof.
  • the first photovoltaic group 41, the second photovoltaic group 42, and the third photovoltaic group 43 are respectively disposed on appropriate sidewall surfaces of the rod body 32, so that Corresponding to the X, Y, Z axis of the grating.
  • the inner space formed by the concave box body 10 and the bottom plate 8 provides a sliding operation space for related components.
  • a first pair of transverse plates 11, 12 are formed on a corresponding inner side wall of the concave box body 10, and a second pair of transverse plates 11 ', 12' are also formed on the other pair of inner side walls orthogonal to the inner side wall.
  • the X-axis grating 51 can slide between the second pair of horizontal plates of the concave box body 10 in the direction of arrow 211; the y-axis grating 52 can move between the first pair of horizontal plates of the concave box body 10.
  • the rod body 32 slides in the direction of arrow 311; since the rod body 32 has a hollow internal space, it can be used for the Z axis grating 53, and the rod body 32 together with the concave box body 10 and the photoelectric group According to the Z-axis direction (that is, the direction of the arrow 411), the base plate 8 is used as a base and slides corresponding to the Z-axis grating plate 53.
  • the present invention has three corresponding photoelectric groups respectively disposed on different side walls of the rod body.
  • Each of the photoelectric groups includes a bracket, a light emitting diode, and a phototransistor, among which the light emitting diode and a phototransistor They are respectively embedded in the bracket correspondingly, and there is a through slot in the middle of the bracket, so when the grating plate passes through the through slot of the bracket and the two move relative to each other, the photoelectric group can be used. The light between the light-emitting diode and the phototransistor is received or blocked, thereby detecting the movement of the grating plate.
  • the X-axis grating plate 51 can be operated to move in the direction of the arrow 211. While moving, the first photoelectric group 41 reads its X and X The relative displacement of the axis grating plate 51 can be generated by the phototransistor of the first photoelectric group 41 to represent a series of pulse signals representing the X-axis displacement and sent to the computer.
  • the Z axis grating 52 can be operated to move in the direction of the arrow 311. While moving, the second photoelectric group 42 reads its relative displacement with the Z axis grating 52 Therefore, a series of pulse signals representing the displacement of the Z axis can be generated by the phototransistors of the first photoelectric group 42 and sent to the computer.
  • the relative displacement between the third photoelectric group 43 and the z-axis grating plate 53 can be read by the third photoelectric group 43. Therefore, a series of pulse signals representing the z-axis displacement can be generated by the phototransistors of the third photoelectric group 43. To that computer.
  • the present invention has a sliding handle 3 that is convenient for the user to hold and control by hand.
  • the sliding handle can be combined with the lever body 32 and the concave box body 10 Therefore, it is possible to control the displacement of the X, ⁇ , and Z axes of the positioning device of the present invention and the positioning control of absolute coordinates by operating the sliding handle and then passing through the lever body 32.
  • 6A is an exploded perspective view of a fourth embodiment of the present invention
  • FIG. 6B is a perspective view thereof
  • FIG. 6C is a side sectional view of the handle according to FIG. 6A.
  • the operation purpose of the embodiment shown in FIGS. 5A and 5B can be achieved, but the sliding handle 3 is of a rocker type.
  • FIG. 7A is a control circuit diagram used in the first and second embodiments of the present invention.
  • this control circuit it mainly includes:
  • An X-axis AB phase detection circuit 61 detects the displacement state of the X-axis grating plate by a photocell composed of an internal light-emitting diode and a phototransistor;
  • a Y-axis AB phase detection circuit 62 detects the displacement of the Y-axis grating plate by a photocell composed of an internal light-emitting diode and a phototransistor;
  • An input button 63 including three buttons
  • —Signal output circuit 66 sends the signal from the main control circuit to the RS232 interface as a signal with standard RS232 signal specifications.
  • FIG. 7B shows a control circuit diagram used in the third embodiment of the present invention.
  • this control circuit its main structure is the same as the circuit shown in Fig. 6, in order to cooperate with the three-dimensional control method shown in Fig. 5, it is necessary to set an additional AB phase detection circuit 60 of the Z axis to detect The relative displacement of the Z-axis grating sheet and the photoelectric group.
  • FIG. 8A to 8C are control flowcharts of the present invention, and FIG.
  • the control flow chart shown in Figures 8A to C is to set the RS232 transmission rate, start bit, end bit and length, reset the work area to zero, and clear all marks and recorders. Then, read in XA, XB , YA, YB, and then find the values of X + direction, X- direction, Xmax, Xmin, and values of Y + direction, Y- direction, Ymax, Ymin in the comparison status table (see also the state diagram shown in Figure 3E). These values are stored for comparison.
  • the interpretation of the X-axis mode is performed first (such as the X-axis mode shown by the dashed line). In the interpretation of this mode, the previous states are compared with (0, 0), (1, 1), and (1), respectively. , 0), (0, 1) and other possible states. After the X-axis mode is executed, the interpretation of the ⁇ -axis mode is performed (the flow is the same as the X-axis mode).
  • an interrupt signal can be generated ten times per second.
  • the computer After reading Xmax and Xmin directly from the active grating, an interrupt signal is generated 10 times per second, then the Y-axis mode is judged, and finally it returns.
  • Fig. 8E shows the control flow according to the embodiment of Figs. 3I, J, and K. Process map.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Position Input By Displaying (AREA)
  • Optical Transform (AREA)

Abstract

Cette invention concerne un dispositif de commande de type mécanique-optique permettant de définir les coordonnées absolues d'un curseur et pouvant être utilisé afin de commander le positionnement d'un curseur sur un écran d'affichage. Ce dispositif comprend un corps concave, une tige, une poignée coulissante, au moins deux éléments de grille disposés dans le sens de la longueur, ainsi qu'un groupe d'éléments électro-optiques coopérant avec les grilles. Ces grilles peuvent être commandées de manière à se déplacer selon les axes X et Y, tandis qu'une série de signaux d'impulsion représentant un déplacement des grilles est émise par le groupe respectif d'unités électro-optiques et envoyée vers l'ordinateur. Les grilles disposées selon l'axe Z peuvent également être déplacées en actionnant la tige, ceci de manière à ce que les groupes respectifs d'unités électro-optiques génèrent une série de signaux d'impulsion qui représente un déplacement selon l'axe Z et qui sera envoyée vers l'ordinateur.
PCT/CN1995/000042 1995-05-19 1995-05-19 Dispositif de commande de type mecanique-optique permettant de definir les coordonnees absolues d'un curseur WO1996036914A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU24436/95A AU2443695A (en) 1995-05-19 1995-05-19 Control device of mechanical-optical type for controlling an absolute coordinate of a cursor
PCT/CN1995/000042 WO1996036914A1 (fr) 1995-05-19 1995-05-19 Dispositif de commande de type mecanique-optique permettant de definir les coordonnees absolues d'un curseur
DE19581938T DE19581938T1 (de) 1995-05-19 1995-05-19 Mechanisch-optische Absolutkoordinaten-Cursor-Steuereinrichtung
JP8534432A JPH11505346A (ja) 1995-05-19 1995-05-19 機械光学式の絶対座標カーソル制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN1995/000042 WO1996036914A1 (fr) 1995-05-19 1995-05-19 Dispositif de commande de type mecanique-optique permettant de definir les coordonnees absolues d'un curseur

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Publication Number Publication Date
WO1996036914A1 true WO1996036914A1 (fr) 1996-11-21

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PCT/CN1995/000042 WO1996036914A1 (fr) 1995-05-19 1995-05-19 Dispositif de commande de type mecanique-optique permettant de definir les coordonnees absolues d'un curseur

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JP (1) JPH11505346A (fr)
AU (1) AU2443695A (fr)
DE (1) DE19581938T1 (fr)
WO (1) WO1996036914A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935728A (en) * 1985-01-02 1990-06-19 Altra Corporation Computer control

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935728A (en) * 1985-01-02 1990-06-19 Altra Corporation Computer control

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DE19581938T1 (de) 1998-05-07
JPH11505346A (ja) 1999-05-18
AU2443695A (en) 1996-11-29

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