• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a computer system which comprises a data processing system (1) and a freely movable input device (3), wherein the input device contains at least one position change sensor, from which information to the data processing system (1) can be sent and by the data processing system (1) also Information about the absolute position of the input device (3) can be detected. Information about the absolute position of the input device (3) can be detected by the data processing system (1) by the data processing system (1) with a photosensitive position sensitive input surface (4) in data connection and the input device (3) emits a light beam whose impact location at the Input surface (4) can be detected by this.
    公开号:AT512350A1
    申请号:T1852/2011
    申请日:2011-12-20
    公开日:2013-07-15
    发明作者:
    申请人:Isiqiri Interface Tech Gmbh；
    IPC主号:
    专利说明:

    Bes yellowing
    The invention relates to a computer system and a control method therefor. The computer system according to the invention has a data processing unit, a photosensitive position-sensitive input surface and a movable input device.
    The documents CN 201369026 Y, DE 101 92 575 TI, DE 10 2006 053 239 A1, EP 1 775 656 A1, JP 200410528 A, KR 2004 0066 986 A and US 2005 1345 55 Al propose input devices for data processing systems in which laser pointers and inertial sensors are contained in a housing as position change sensors. The inertial sensors are used to move a work mark on a display surface. The laser pointer does not serve as an input device, but rather to direct the audience's attention to a certain surface area of the display area during a presentation. By combining position change sensors and laser pointers in one device, the presenting person saves himself from handling a second device. Because the position change sensors are inertial sensors, i. &Quot; & quot directly; To measure translation or rotation accelerations, one does not need a surface on which one must move along the input device as with a computer mouse.
    In EP 1050015 Bl, a common principle for a so-called " optical computer mouse " described. The input device is slidably guided on a surface. It illuminates a small surface area of the surface, captures images of the illuminated surface area and calculates the positional shift that has taken place on the basis of the displacement of temporally successive image elements recognized as identical. The device is well suited for measuring from a single point the relative displacement of the input device on a surface. If the housing is designed in the form of a pen, it can also be used to move
    Page 1 • · • ·
    * * * «« »· *» »·········
    Writing is required, well executed and thus handwriting already recorded during the writing process.
    WO 2007046604 A1 shows an input device which has approximately the shape of a writing pen. It contains several independent sensor devices for measuring a change in position. A sensor device is based on the principle of " optical computer mouse " (as discussed above), other sensor devices are inertial sensors. As a result, the input device is functional even when it is lifted from a surface. A touch sensor detects whether the device is touching a surface or not. When it touches the surface it automatically switches to the operating state " optical computer mouse " In particular, handwriting or hand drawings can be very good already during the emergence.
    WO 2010006348 A1 and WO 2010118450 A1 show a computer system which is to be controlled by a photosensitive position-sensitive input surface. The input surface is a planar optical waveguide and the movable input device is a pointing device, which emits a light beam. The light incident from the pointing device on the input surface causes, by luminescence, longer wavelength light in the waveguide mode whose intensity decreases with distance to the point of impingement of the causing light. In several places on the input surface small-area photoelectric sensors are mounted, to which electrical signals are generated, the signal strength of which depends on the local intensity of the light in the waveguide mode and of which the point of incidence of the causing light is deduced. Since the input area can also be the output area for image information output by the data processing unit, the pointing device can also set the absolute position of a processing mark (a "cursor") well from a distance. Small movements of the bear
    Page 2 • * · # f ····· * editing mark, as they occur, for example, when using the pointing device, which may have the shape of a pen, at the input area "handwritten". is, but only good metrological detectable if the input surface allows a very high position resolution. Especially with input surfaces which are sufficiently large to serve as the output surface of the data processing unit for presentation in front of a larger auditorium, this is annoyingly expensive. Movements of the input device in which the light beam emitted by this does not point to the input surface can not be detected by the data processing unit.
    EP 1832966 Δ2 describes the control of a data processing unit by means of a freely movable pointing device. Two " punctual " Infrared light sources are mounted in a defined position on the edge of a display surface for the data processing unit. The pointing device has a sensitive camera for these light sources. From the position of the image of the light points through the camera, the position of the camera and thus of the pointing device is deduced. In addition to the camera, the pointing device also inertial sensors (= sensors for rotational and / or translational accelerations), through which regardless of the absolute position of the pointing device whose position changes are detectable and can be communicated to the data processing system. As a result, the pointing device is also applicable when his camera is turned away from the infrared light points. The computer system thus equipped is often used for games in which interactive sporting activities are simulated, whereby the players move the pointing device like a sports device, such as a tennis racket. For many typical non-gaming computer applications, the control method is too crude and prone to failure. Good functionality is only given if the pointing device in a relative
    Page 3 • * * * * · ♦ ψ • # 4 narrow distance range is not too close and not too far away with respect to the display surface.
    The inventor has set himself the task of a computer system, which like those according to EP 1832966 A2, a data processing unit, a sufficient for presentation to audience output area and a movable input device includes, from which data regarding its absolute position and data from its position changes to the controller the data processing unit are used to improve that the susceptibility is reduced and that the distance range in which the input device must be located in order to be well-functioning, is increased. For solving the problem, it is proposed as a first measure to equip the computer system with features which are known from the above-described WO2010006348 A1, namely to provide a projection display, which is also position-sensitive optical input surface, and additionally to use a freely movable input device which emits a visible light beam (also called "pointing beam"), from which - if given - the coordinates of the point of impact on the input surface are detectable by the latter and can be transmitted to the data processing unit.
    As a further mandatory measure, it is proposed to equip the input device with one or more position change sensors, which detect position changes of the input device independently of the position with respect to the input surface and transmit them to the data processing unit via a data connection.
    By the input surface is designed as a photosensitive position detector, the position of an input mark can be directly fixed and detected on it, without the input page 4 mark must be aligned as in a computer mouse only from a display edge forth.
    By having position change sensors in the input device, position changes in which the input device does not even point to the input surface and / or position changes that are too fine for the position resolution capability of the sensitive input surface are also readily detectable.
    The principle of control over the input surface by means of a light pointer is in any case up to such high distances between pointing device and input surface trouble-free feasible as well as on the input surface - which is also display surface for the data processing system - displayed details such as buttons, etc. are visible to the eye ,
    In the most preferred embodiment, a position change sensor of the input device is an optical sensor for position changes against an area along which the input device slides. (The relevant sensor principle is described for example in the aforementioned EP 1050015 Bl.)
    For this purpose, the input device preferably has the form of a pin, wherein the optical sensor for position changes relative to a surface on which the input device slides along is arranged at a tip of the pin. Thus, the input device can be guided like a pen on a surface, and hand drawings and manuscripts can be well read into the data processing unit even during application to the input surface (or any other surface) regardless of the position resolution capability of the input surface.
    When working with the optical sensor for position changes with respect to a surface along which the input device glides on the input surface designed as a photosensitive position detector, the combination of the two position detection methods results in a particular advantage. The optical sensor for position changes, which is used in the input device
    Page 5 is able to track very subtle movements, but has no way of knowing the absolute position of the interaction point on the input surface. This is done with the help of the light pointer of the input device in cooperation with the position sensitive input surface. Thus, relative to the relative motion coordinates of the position change sensor for the input device, the absolute position coordinates of the input device can be added to the input surface.
    Thus, for the first time both the position of the input mark can be determined with a very high absolute positional accuracy, and at the same time fine and rapid movements of the input markings can be detected in detail and quickly. This advantage is achieved with relatively low investment costs and is certainly given even with very large input surfaces.
    In a further advantageous embodiment, the input device is equipped with one or more inertial sensors, that is to say sensors which measure linear or rotary acceleration. Thus, regardless of whether the pointing beam emitted by the input device strikes the input surface, or whether the input device abuts against a surface {which is required for an optional optical sensor for position changes against a surface on which slides the input device along ), Information can be entered in the data processing unit.
    Here, too, results from the combination of sensors, which measure changes in movement of the input device with that sensor principle, which measures at least from the actual position of the input device, on which point of the input surface it is aligned, a very beneficial effect. The inertial sensors in themselves have no reference, that is, the inertial sensors in themselves could not determine on which point is actually shown with the input device, but only relative movements can be detected
    Page 6. But as soon as the light pointer points to the input surface, this reference can be taken. If a plurality of spaced reference points determined - which can easily happen when the light spot of the light pointer repeatedly hits the input surface or is moved across it without interruption - can together with the meantime determined by the inertial sensors angle change the absolute position and orientation of the input device relative to the input surface be determined. This allows a variety of new and intuitive input options for the user of the combined input device.
    If the input device on position change sensors both includes an optical sensor for position changes relative to an area along which the input device slides and an inertial sensor, it combines the following functions in a housing: • Pointing device that serves the audience's attention to a specific area to steer a presentation surface. • pointing device, which serves to set a position marker of the data processing unit on a certain area of the input surface. Preferably, the input surface is at the same time output surface of the data processing unit and thus also presentation surface. • Writing and drawing device for handwriting or hand drawings to be entered into the data processing unit. &Quot; Location & quot writing support; may be both the input surface formed as an optical position detector, as well as other surfaces such as normal furniture surfaces. • Motion sensor for " free " Movements to capture the dynamics of larger movements independent of the input surface. Thus, for example, in sports simulations the movement of a sports device represented in the simulation by the input device can be easily detected. So are those too
    Page 7
    Movements of a remote-controlled robot arm in the room well controllable.
    The invention will be clarified with reference to a sketch:
    Fig. 1: shows the essential devices of an inventive
    Computer system. Data connections which are preferably realized by a wireless connection are shown in dashed lines.
    The computer system shown in FIG. 1 has a data processing unit 1 which outputs image information to a projection surface via a projector 2. For controlling the system, an input device 3 and a photosensitive position-sensitive input surface 4 are used, which is preferably arranged as a layer of the projection surface.
    In one of several possible modes of operation, the input device 3 sends a light beam to the input surface 4. The light spot caused thereby on the input surface 4 causes one or more output signals of the input surface by which the coordinates of the light spot at the input surface are communicated to the data processing unit 1. By means of the data processing unit, a processing mark (= cursor position) can be assigned to the point of impact of the light spot caused by the light beam from the input device on the input surface 4.
    Preferably, the input surface 4 is formed by a layer structure of organic material which generates electrical signals as a function of absorbed light and is equipped with a plurality of tapping points for the generated signals, wherein the size of the signals at the individual tapping points of their distance to the faces depends on which the light is absorbed and from the size ratios between the signals at several tapping points, the distance ratios of the respective tapping points to those sub-areas,
    Page 8 at which the light is absorbed is calculable. Input surfaces of this type are now known prior art. It is particularly advantageous for them that they can also be used as a layer in front of or directly behind a projection screen, since they are largely color-neutral executable and are comparatively very cost-effective especially in large-scale design. Another advantageous embodiment of the detector surface is as a frame around a display surface, wherein the input device in this case an optical system is connected upstream, which projects the light of the input device in the form of a diverging cross on the input surface. At the intersections of the projected light cross with the frame-shaped detector surface, a signal is generated. As long as at least 3 points of intersection are detected, it is possible to deduce the position of the intersections on the pointing direction of the input device. This frame can be mounted around any form of display surface without affecting its image reproduction.
    Particularly preferably, such an input surface is formed as a luminescence waveguide, wherein the tapping points are small-area photoelectric elements that decouple light from the waveguide mode in the luminescence waveguide and generate an electrical signal whose strength depends on the intensity of the coupled-out light. This functional principle is particularly well formed with rapid reactivity and with low susceptibility to interference from extraneous light.
    In a further mode of operation, which can run parallel and complementary to the previously described mode of operation, the input device 3 sends to the data processing unit 1 information about its state of motion, which is detected by inertial sensors, ie linear or rotary acceleration sensors incorporated in the input device 3 becomes. Thus, e.g. a pivotal movement of the input device about the light beam emitted by it as an axis through the in the data
    Page 9 working program running a function, such as " confirm selection " be assigned. Likewise, by a program of a trajectory and pivoting movement of the input device 3, a same movement of a sports device, a tool or a robot arm can be assigned.
    In a third essential mode of operation, the input device 3 rests on a stationary surface and functions thereon in accordance with the functional principle of an optical mouse described above with reference to the prior art, which sends the data about its position changes relative to the stationary surface to the data processing unit 1. If the area concerned is also the projection surface to which the data processing unit 1 projects output information via a projector 2 and if the input device 3 is pin-shaped and its sensor area is arranged for relative movement against the stationary surface at the penpoint tip, the movement of the penpoint tip can begin the projection surface are assigned by the data processing unit 1, the course of a line, and read this as a handwriting or hand drawing and output via the projector 2 visible again although the input device itself does not need to deliver color.
    In the most advantageous mode of operation of the computer system, the projection surface is simultaneously the input surface 4. For writing with the input device 3 on the input surface 4, the absolute position of the input device 3 with respect to the input surface is determined by the sensor function of the input surface. The fine, rapid movements of the input device during writing are replaced by the function " optical mouse " of the input device 3 itself and sent to the data processing unit 1, bypassing the sensor function of the input surface.
    Advantageously, during the input at regular intervals, the absolute position determined by the input surface is determined by the position determined by the relative motion coordinates.
    Page 10
    on, at which the cursor is set, adjusted and the determined by the relative motion coordinates position of the position determined by the input surface by means of mathematical interpolation. Thus, the input mark always remains near the tip of the input device even with long, continuous input operations.
    Page 11
    权利要求:
    Claims (4)
    [1]
    1. Computer system comprising a data processing system (1) and a freely movable input device (3), wherein the input device includes at least one position change sensor, from which information to the data processing system (1) can be sent and wherein by the data processing system (1) and information can be detected via the absolute position of the input device (3), characterized in that information about the absolute position of the input device (3) by the data processing system (1} can be detected by the data processing system (1) with a photosensitive position sensitive input surface (4) in Data connection is and the input device (3) emits a light beam whose impact location on the input surface (4) is detectable by this.
    [2]
    2. Computer system according to claim 1, characterized in that a position change sensor of the input device (3) is an optical sensor, by which changes in position of the input device relative to a surface to which the input device slides along, can be determined by running from a portion of the surface continuously images are recorded and the relative displacement of the same picture elements in temporally successive recorded images is evaluated.
    [3]
    3. Computer system according to claim 1 or claim 2, characterized in that the input device (3) is equipped with one or more inertial sensors, so sensors for translational and / or rotational acceleration.
    [4]
    4. Computer system according to one of claims 1 to 3, characterized in that the input surface (4) is formed by a layer structure of organic material, which generates electrical signals in Ab page 12 dependence of absorbed light and with a plurality of tapping points for the generated Signals is provided, wherein the size of the signals at the individual tapping points of their distance to the sub-areas is absorbed at which the light and from the size ratios between the signals at a plurality of tapping points, the distance ratios of the respective tapping points to those sub-areas in which the light is absorbed, is calculable. Method for the control of a computer system, wherein the computer system comprises a data processing system (1) and a freely movable input device (3), wherein the input device contains at least one position change sensor from which information is sent to the data processing system (1) and wherein the data processing system (1 Also, information about the absolute position of the input device (3) is detected, characterized in that for detecting information about the absolute position of the input device (3) from the input device (3) a light beam to a photosensitive position sensitive input surface (4) is sent and the input surface (4) detects the point of impact of the light beam and sends the relevant position information to the data processing system (1). A method according to claim 5, characterized in that during writing or drawing movements with the input device (3) on the input surface (4) both absolute position coordinates of the input device (3) through the input surface (4) on the hand of the light emitted by the input device light beam and at the data processing system (1) are transmitted as well as data about changes in position of the input device detected by the attached to the input device position change sensor and transmitted to the data processing system (1) page 13, including by the position change sensor from the surface along which the input device slides continuously images are taken and the relative displacement of the same picture elements in consecutively taken pictures is evaluated. A method according to claim 6, characterized in that during the input at regular intervals, the absolute position determined by the input surface (4) is compared with that position which is calculated from the results of the position change sensor attached to the input device (3) is assigned to both positions by mathematical interpolation a third position jointly representing both positions, which is less spaced to the first two positions than the first two positions, that an input mark is assigned to this third position by the data processing system (1) and that this third position is assumed as a starting point for the calculation of the temporal next movement of the input device. A method according to claim 5, characterized in that during movements of the input device (3) in space by one or more on the input device (3) mounted inertial sensors information regarding changes in position of the input device detected and sent to the data processing system (1) that in the data processing system ( 1) thereby the shape and size of a trajectory are calculated and that the orientation of this path in space is calculated on the basis of the position information supplied by the input surface (4) as soon as the light spot of the light pointer hits the input surface several times or is moved over it without interruption. Page 14
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    法律状态:
    2019-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20181220 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1852/2011A|AT512350B1|2011-12-20|2011-12-20|COMPUTER PLANT AND CONTROL PROCESS THEREFOR|ATA1852/2011A| AT512350B1|2011-12-20|2011-12-20|COMPUTER PLANT AND CONTROL PROCESS THEREFOR|
    JP2014547623A| JP2015501054A|2011-12-20|2012-12-07|Computer system and control method thereof|
    US14/367,833| US9405384B2|2011-12-20|2012-12-07|Computer system and control method for same|
    PCT/AT2012/050190| WO2013090960A1|2011-12-20|2012-12-07|Computer system and control method for same|
    DE112012005312.5T| DE112012005312A5|2011-12-20|2012-12-07|Computer system and control method for it|
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