WO2006111318A1 - Outil de saisie peripherique fluidique pour un dispositif de traitement de donnees electronique - Google Patents

Outil de saisie peripherique fluidique pour un dispositif de traitement de donnees electronique Download PDF

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Publication number
WO2006111318A1
WO2006111318A1 PCT/EP2006/003386 EP2006003386W WO2006111318A1 WO 2006111318 A1 WO2006111318 A1 WO 2006111318A1 EP 2006003386 W EP2006003386 W EP 2006003386W WO 2006111318 A1 WO2006111318 A1 WO 2006111318A1
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WO
WIPO (PCT)
Prior art keywords
input device
fluid
peripheral
pressure
fluidic
Prior art date
Application number
PCT/EP2006/003386
Other languages
German (de)
English (en)
Inventor
Christian Hook
Jürgen Kempf
Original Assignee
Fachhochschule Regensburg
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 Fachhochschule Regensburg filed Critical Fachhochschule Regensburg
Publication of WO2006111318A1 publication Critical patent/WO2006111318A1/fr

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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
    • G06F3/0354—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
    • G06F3/03545—Pens or stylus

Definitions

  • the invention relates to a fluidic peripheral input device for an electronic data processing device, in particular for a computer.
  • peripheral input devices record, for example, the relative movement of the pen on a special pad optically by a camera captures a plurality of images of the pad per second, from the difference between the captured images of the pad, the relative movement of the pen is calculated to the pad.
  • Most such input devices which optically detect a relative movement over a base, use special documents, so-called trays.
  • the substrate must in any case have an optically irregular structure.
  • the most common peripheral input device is the so-called computer mouse.
  • the user moves the mouse on a pad, the so-called mouse pad, and controls the cursor on a graphic user interface of the screen via this relative movement.
  • the mouse itself is usually mounted on a plastic ball whose movements are mechanically or optically recorded by several sensors and implemented by the mouse driver for the computer.
  • the data is transmitted via a cable, an infrared interface or by radio.
  • buttons on the mouse there are one to three buttons on the mouse, each with different Functions are equipped and serve to control the data processing device.
  • Peripheral input devices in that for their operation an optically differentiated motion pad must be present, the necessary movement area for moving the computer mouse is relatively large.
  • the conventional computer input devices or computer mice therefore do not constitute spatially autonomous input systems.
  • the user thus relies on the presence of a document during the input and can not move freely in the data input in the room. In many environments, this is a hindrance, for example, when traveling for business in a commercial aircraft, the operation of a computer or laptop computer mouse is very cumbersome because there is not enough space for a mousepad. Therefore, many laptops are equipped with so-called touchpads, which, however, have a small operating area and are only very cumbersome to operate. The provision of touchpads in laptops is the miniaturization of such mobile devices in the way, and moreover, the control of the cursor by means of touchpads only very cumbersome.
  • the invention provides a fluidic peripheral input device for an electronic data processing device, comprising:
  • An advantage of the fluidic peripheral input device according to the invention is that the sensor system has a very low power consumption, so that the fluidic peripheral input device according to the invention is particularly suitable for mobile electronic data processing devices.
  • the peripheral input device according to the invention is preferably placed punctiform on any pad and actuated by tilting the pencil lead.
  • the mechanical pressure applied on the pencil lead is detected three-dimensionally by a fluidic pressure sensor system for controlling the electronic data processing device. Since the pin mine according to the invention requires only one point support, no large movement surface is required for its actuation.
  • the pad can be arbitrary, as long as it applies sufficient mechanical pressure on the pin lead.
  • the fluidic peripheral input device according to the invention requires no input tray, that is, an optically differentiated pad is not necessary. In a preferred embodiment of the fiuidischen peripheral input device, this has three fluid chambers whose fluid pressure in each case corresponds to the attachment force of the pin lead in a spatial direction.
  • the fluid chambers are each connected via a fluid channel with an associated pressure sensor.
  • a first fluid chamber and a second fluid chamber are preferably provided laterally on the pin lead for detecting cross-placement forces, these being connected in each case via a fluid channel to an associated pressure sensor which in each case emits a transverse pressure signal.
  • the pencil lead has a lead tip for placement on the base.
  • the pencil lead consists of a writing lead for writing on the base.
  • the fluidic peripheral peripheral input device of the present invention can be used as a conventional writing instrument in the data input, the electronic data processing direction.
  • a third fluid chamber for detecting a Aufsetzlibilskraft is provided at one of the refill tip opposite end, said fluid chamber is connected via a fluid passage with an associated pressure sensor which emits a longitudinal pressure signal.
  • the pencil lead is preferably provided for transmitting the Aufsetz manufacturer power to the fluid chambers.
  • the fluid chambers each preferably have an elastic chamber wall.
  • the pen refill and the fluid chambers are preferably integrated in a pen housing.
  • the pressure sensors are integrated on a pressure sensor array of the sensor chip.
  • An advantage of the fluidic peripheral input device according to the invention is that the sensory detection of actuation by means of a uniform pressure sensor, which is particularly easy to integrate because of their small footprint.
  • the transmission of the pressure signal is purely fluid and the conversion is electrofluidic.
  • the operation of the sensor system therefore requires little electrical energy and is less EMC-noticeable.
  • the pressure sensors are also mechanically very robust, especially against mechanical shocks.
  • the pressure sensors supply the respective electronic pressure signal to the data processing device via an interface.
  • one embodiment is a wired interface.
  • This wired interface is preferably a USB interface.
  • the interface is a wireless interface.
  • At least one further fluid chamber for detecting a holding force with which the pen housing is held by a Consper ⁇ on is provided.
  • an elastic sleeve provided in the pen housing is preferably deformed in accordance with a holding force applied by a finger.
  • This collar is preferably annular.
  • the holding force applied to the cuff is preferably transmitted to at least one fluid chamber mounted below the cuff, the fluid pressure within the fluid chamber corresponding to the applied holding force.
  • the holding force exerted on the cuff which is applied by a forefinger to the cuff, is transferred to at least two adjacent fluid chambers.
  • These fluid chambers are preferably also annular.
  • the two fluid chambers are each connected via an associated fluid channel with an associated pressure sensor which emits a Haiertrucksignal.
  • the two pressure sensors preferably detect a pressure difference between the two fluid chambers and deliver a corresponding holding pressure difference signal.
  • the fluidic peripheral input device provides a control signal or scroll control signal by actuating an index finger on the elastic sleeve without the fluidic peripheral input device having to be placed on a support.
  • the index finger By rubbing the index finger on the cuff, therefore, the user can, for example, make the transmission of the screen of the data processing device in any holding position of the hand.
  • the peripheral input device can be switched between a first operating mode for outputting control signals to the data processing device and a second operating mode for outputting write data signals to the data processing device.
  • the transverse pressure signals emitted by the pressure sensors in the first operating mode preferably control a screen cursor of a screen of the data processing device.
  • the placement of the pin lead on the base is preferably detected by that pressure sensor, which is connected via a fluid channel with that fluid chamber, which is provided at the opposite end of the refill tip.
  • the pressure sensor preferably generates a trigger signal when placing the pin lead.
  • the transverse pressure signals currently acting when the pin lead is placed are detected as reference signals.
  • the speed at which the screen cursor moves in a direction on the screen is a preferred embodiment, the speed at which the screen cursor moves in a direction on the screen
  • Screen moves, proportional to the absolute amplitude of the respective transverse pressure signal.
  • the speed at which the screen cursor moves in one direction on the screen is proportional to the amplitude of a respective difference signal between the cross pressure signal and the reference signal.
  • the reference signal is preferably latched until the next touchdown of the pin lead.
  • the detection of the reference signal offers the particular advantage that the fluidic peripheral input device according to the invention can perform an offset compensation to pressure fluctuations caused by temperature changes or changes in air pressure.
  • a hold pressure difference signal caused by a forefinger movement forms a control signal for scrolling the screen.
  • a short shake pressure pulse forms a control signal for clicking on a symbol displayed on the screen.
  • a longer hair pressure pulse forms a control signal for marking a symbol displayed on the screen.
  • At least one mechanical pressure switch is additionally provided in the pen housing.
  • further functions can be realized, which correspond, for example, a control function of a right mouse button.
  • the fluid seen in the fluid chambers is a gel, an oil, water, an electrolytic liquid or a rheological fluid.
  • the invention provides a method of generating an input control signal to a data processing device, wherein a touchdown force applied to a stylus alters a fluid pressure within at least one fluid chamber sensed to produce the input control signal.
  • FIG. 1 shows a sectional view through a preferred embodiment of the fluidic peripheral input device according to the invention
  • Figure 2 is a diagram for explaining the pressure sensor used in the invention.
  • FIG. 3 shows a first embodiment of the fluidic peripheral input device according to the invention
  • FIG. 4 shows a second embodiment of the fluidic peripheral input device according to the invention
  • FIG. 5 shows a sectional view through the fluidic peripheral input device according to the second embodiment of the invention
  • Figure 6 is a diagram for explaining the Scroil process in the fluidic peripheral input device
  • FIG. 7 shows a preferred embodiment of a pressure sensor provided in the fluidic peripheral input device according to the invention.
  • FIG. 8 shows a micromechanical sensor provided in the pressure sensor
  • FIGS. 9a, 9b show different variants of pressure sensors for detecting the pressure forces applied to the pen refill
  • FIG. 10 shows a further embodiment of the fluidic input device according to the invention.
  • FIG. 1 shows a sectional view through a fluidic peripheral input device 1 for an electronic data processing device according to the invention.
  • the peripheral input device 1 has a pen housing 2, in which a pen refill 3 is mounted.
  • the pencil lead 3 has a tip 4, which can be placed on any pad.
  • the placement force with which the pencil lead 3 is placed on the base is detected by means of fluid chambers 5.
  • the fluidic peripheral input device according to the invention according to the preferred embodiment shown in Figure 1 has three fluid chambers 5a, 5b, 5c.
  • the fluid chambers 5a, 5b, 5c each have an elastic chamber wall which is filled with a fluid.
  • the fluid may be a gel, an oil,
  • the fluid pressure of the fluid built up in the fluid chambers 5a, 5b, 5c corresponds in each case to the seating force F x , F y , F z of the pin lead 3 in the different spatial directions x , ⁇ > z .
  • the first fluid chamber 5a and the second fluid chamber 5b are provided laterally on the pin lead 3 for detecting cross-placement forces F x , F y , while the third fluid chamber 5 c is opposite to one of the lead tip 4. 1 set end for detecting a Aufsetzlän ⁇ skraft F z is provided.
  • the pencil lead 3 in one embodiment additionally has a writing lead for writing on a base.
  • the pencil lead 3 is provided for the force transmission of the attachment forces F x , F y / F z to the three fluid chambers 5a, 5b, 5c.
  • the inventive fluidic peripheral input device 1 in the preferred embodiment shown in Figure 1 additionally two further fluid chambers 5d, 5e, which for detecting a holding force with which the pen housing 2 through an operator is held are provided.
  • the pen housing 2 is provided with an elastic sleeve 6, which deforms in accordance with a holding force applied by a finger.
  • the two fluid chambers 5d, 5 are mounted below this annular elastic cuff 6.
  • the two fluid chambers 5d, 5e are preferably likewise annular or rotationally symmetrical.
  • the fluid chambers 5a to 5e are each connected via an associated fluid channel 7a to 7e with an associated pressure sensor 8a to 8e.
  • the pressure sensors 8a to 8e are integrated on a pressure sensor chip 9.
  • the attachment forces F x , F y detected laterally on the pin lead 3 in the first fluid chamber 5a and in the second fluid chamber 5b are respectively transferred via the fluid channels 7a, 7b to the associated pressure sensors 8a, 8b, which each have a transverse pressure signal P x , P y submit.
  • the third fluid chamber 5c detects the superimposed longitudinal force F z and is connected via the fluid channel 7c to the associated pressure sensor 8c, which emits a longitudinal pressure signal P z .
  • the two fluid chambers 5d, 5e mounted below the sleeve 6 are connected via the fluid channels 7d, 7e to the associated pressure sensors 8d, 8e, which respectively emit a hair pressure signal Ph.
  • the two pressure sensors 8d, 8e detect the pressure difference between the two fluid chambers 5d, 5e and deliver a holding pressure difference signal.
  • additional pressure switches for example the pressure switch 10 shown in FIG. 1, can be provided.
  • the pressure sensor array consisting of the pressure sensors 8 detects the deflection of the pencil lead 3 in all three spatial directions x, y, z as well as the holding force exerted on the sleeve 6 by an index finger.
  • the pressure sensor array is preferably integrated on a sensor chip, which converts the detected pressure signals in each case into electronic pressure signals. These electronic pressure signals are delivered via an interface to a data processing device.
  • the interface can either be a wired interface, in particular a USB interface, or a wireless interface, for example a Bluetooth or ZigBee data connection.
  • the peripheral input device 1 is between a first operating mode for outputting control signals to the data processing device and a second operating mode for outputting write data signals to the data processing device - device switchable.
  • the transverse pressure signals P x , Py emitted by the pressure sensors are used to control a screen cursor on a screen of the data processing device.
  • the placement of the pin lead 3 on any pad is detected by the pressure sensor 8d, which generates a trigger signal.
  • the currently acting when placing the pencil lead 3 pressure signals are preferably buffered by a built-in memory chip 9 memory as a reference signal.
  • the sensor chip 9 additionally preferably has a clock signal generator, which supplies a regular clock signal, so that the occurring pressure signals P x , P y / P z and P hl , P h2 are buffered at regular time intervals.
  • the buffered reference signals are preferably used for offset compensation.
  • the pressure sensors are a ⁇ adjusted or corrected by means of the reference signal values.
  • the lateral pressure signals detected by the pressure sensors 8a, 8d control the screen cursor on the screen of the data processing device.
  • the speed V x , V y at which the screen cursor moves on the screen is, in the first embodiment, proportional to the absolute amplitude of the respective lateral pressure signal P x , P y .
  • the velocity V x , V y at which the screen cursor moves in one direction on the screen is proportional to the amplitude of the respective difference signal between the lateral pressure signal P x , P y and the detected reference signal P x0 .
  • a short hair pressure pulse forms a control signal for clicking on a symbol displayed on the screen.
  • a longer hair pressure pulse is interpreted as a control signal for marking a symbol displayed on the screen.
  • the additional mechanical pressure switch 10 can be additional
  • the fluidic peripheral input device 1 according to the invention can be switched, for example, by means of the mechanical pressure switch 10 between two operating modes.
  • the peripheral input device 1 according to the invention is used to generate control signals for the data processing device, for example for controlling a cursor.
  • the peripheral input device 1 according to the invention outputs write data signals to the data processing device. These write data signals are used to enter text data characters or to enter Graphic.
  • the write data signals are evaluated, for example, as biometric data by the data processing device in order to carry out a person authentication or a handwriting recognition.
  • the peripheral input device 1 may preferably be equipped with a conventional ballpoint pen refill or an elastic plastic refill for transmitting power from the pen point 4 to the sensors.
  • the fluidic peripheral input device 1 according to the invention already works when punctiform placement of the tip 4 on an arbitrary surface.
  • the peripheral input device 1 can be guided on any pad.
  • the pressure forces measured when mounting and guiding the pen are processed by means of a device driver and control signals, for example for screen cursor control, are converted in the first operating mode.
  • the vertical and horizontal movement of the screen cursor is controlled by the detected transverse forces that are applied vertically to the pin lead 3 in the case of the applied pin, that is to say with measurable axial pressure.
  • the transverse forces are generated on the pen by writing movements on the base or locally fixed placed on input devices 1 by lateral pressure on the pen refill 3 without lateral movements.
  • the input device 1 can optionally be plugged into a simple holding device or depression in the keyboard area or keyboard of the computer, so that a rapid change from the keyboard operation to the input device 1 is made possible.
  • Short power pulses generated by briefly squeezing the fingers holding the pen housing 2, are interrogated with the same fluidic pressure sensors 8d, 8e as triggering signals for switching the operating mode. such as pressing the left mouse button as a click or double-click.
  • the transverse forces are interpreted on the pen lead 3 preferably as a driver signal for marking characters or text areas.
  • the fluidic peripheral input device 1 shown in FIG. 1 represents a complete replacement for a conventional mechanical or optical computer mouse or for a touchpad or a trackball.
  • the peripheral input device 1 according to the invention is characterized by a considerably more ergonomic handling and In contrast to the conventional computer mouse, it can be used in a confined space and especially in an airplane, in a bus or on the train. With the peripheral input device 1 according to the invention, it is even possible to perform scrolling without the peripheral input device 1 being placed on a base. A screen cursor control function can be performed without forcing lateral movement of the peripheral input device 1 on a pad.
  • the pen-shaped housing 2 of the input device 1 leads to a better acceptance by the user, since he is used to writing with pens.
  • the integrated pressure sensor system is consistently structured as functionally identical standard components.
  • the functionality of the peripheral input device 1 corresponds to that of a conventional computer mouse, wherein in particular the following functions are controllable, namely the movement of the cursor on the screen, the scrolling of the screen, the marking of characters on the screen, the marking and dragging of characters on the screen (drag and drop), the operation of a sliding bar and the functionality of a right mouse button.
  • any conventional pressure sensors can be used, for example piezoresistive, magnetic, capacitive or inductive
  • a minimal longitudinal movement of the Schreib.writmi- ne 3 relative to the pen housing 2 against the resistance of a profilastician converter, for example, an elastic liquid envelope or an air cushion is interpreted as Deformati - onskraft, power surge or force pulse or pressure.
  • the applied mechanical compressive forces acting vertically to the pen refill 3 are also detected by hydraulic and pneumatic sensors.
  • the mechanical support of the writing lead 3 is preferably designed as an elastic fluid-mechanical converter, so that the pen pressure in the x, y direction generates a fluid pressure in the fluid chambers 5a, 5b, which by the pressure sensors 8a, 8b into an electrical pressure signal is converted.
  • the input device 1 is provided with a soft rubber or plastic sleeve 6, which is ergonomically designed such that the thumb, middle and index fingers can comfortably hold and guide the input device 1.
  • a soft rubber or plastic sleeve 6 which is ergonomically designed such that the thumb, middle and index fingers can comfortably hold and guide the input device 1.
  • two separate ring-shaped liquid-filled or gel-filled fluid chambers 5d, 5e are located in the engagement region of the fingers.
  • the energy for pressure generation, transfer, conversion and conversion by means of the passively constructed fluidic / pneumatic components comes externally from the hand and finger movement of the user. Therefore, the fluidically-pneumatically constructed structural components of the peripheral input device 1 according to the invention do not require any separate power supply, so that the power consumption of the peripheral input device 1 according to the invention is minimal. Only the sensor chip 9 with the integrated pressure sensors and the possibly integrated clock generator and reference data storage requires a separate electrical power supply.
  • the pressure exerted by the hand pressing force can be converted by mechanical-electrical converter into electrical energy, which is used to supply the sensor chip 9.
  • the peripheral input device 1 does not require any external electric power supply.
  • FIG. 2 shows, in principle, the structure within the fluidic peripheral input device 1 according to the invention.
  • Any number of fluid chambers 5 are connected via fluid channels 7 to pressure sensors 8, the electronic pressure signals to connection pads 11, an integrated circuit or a sensor chip 9 submit.
  • the sensor chip 9 contains in its core, for example, a microprocessor 12 and preferably additionally a clock signal generator and a data memory.
  • the signal transmission from the fluid chambers 5 to the sensor chip 9 takes place purely mechanically via the fluid channels 7.
  • the writing pressure propagates as fluid pressure within the fluid chambers 5 and the fluid channels 7 at the speed of sound, the sound velocity 1480 meters per second, if the fluid used is water.
  • the fluid chambers 5 are remote sensing sensors, that is to say the signal transmission takes place mechanically via the fluid channels 7.
  • the pressure sensors 8 are arranged directly on the fluid chambers 5 and the signal transmission , O
  • the signal transmission is not impaired by external electromagnetic fields, ie the EMC compatibility of the fluidic peripheral input device 1 according to the invention is particularly high in the case of mechanical signal transmission, so that the input device 1 can also be used when strong electro-magnetic fields exist in the environment.
  • the diameter of the fluid channels 7 is for example slightly below 1 millimeter.
  • FIG. 3 shows a first embodiment of the peripheral input device 1 according to the invention, in which the fluid chambers 8d, 8e for detecting the gripping pressure or the holding force are arranged below the rubber sleeve 6.
  • FIG. 4 shows an alternative embodiment of the peripheral input device 1 according to the invention, in which the fluid chambers 5d, 5e filled with liquid or gel are integrated into the sleeve 6.
  • the advantage of this embodiment is that the gripping pressure measuring unit can be made integral with all components in a single functional body, so that the assembly of the fluidic peripheral input device 1 according to the invention is facilitated.
  • Figure 5 shows a further variant of the input device 1 according to the invention, in which the fluid chambers 5d, 5e are also integrated in the sleeve 6, wherein additionally the pressure sensors 8d, 8e are within the sleeve 6, so that the transmission of the data pressure signals not mechanically but electrically over Signal lines to the sensor chip 9 takes place.
  • no fluid channels 7 are provided.
  • Figure 6 serves to explain the operation when scrolling the peripheral input device according to the invention 1.
  • the screen is scrolled up or down by an index finger placed on the cuff 6 exerting a variable force along the cuff.
  • the index finger lies on the pin so that, depending on the position and force of the index finger, the pressure P in the front fluid chamber 5d and in the rear fluid chamber 5e is different in size.
  • a differential pressure AP can thus be generated in the parallel fluid chambers 5d, 5e, which are provided below the sleeve 6.
  • the scrolling of the screen preferably takes place upwards or downwards, depending on the signs of .DELTA.P, with a speed V which is proportional to the amplitude of the pressure difference.
  • the cursor movement is prevented from a time Ti with decaying pressure edges, that is, after lifting the index finger or the pen.
  • the cursor movement is temporally on the phase with an increase of the
  • the clicking of symbols on the screen surface is realized in the peripheral input device 1 according to the invention preferably by a short pressure pulse on the sleeve 6, wherein the pin is preferably not attached.
  • the pressure pulse is preferably triggered by simultaneous compression of the thumb and middle finger.
  • the time-parallel course of two short disproportionate pressure peaks is detected by software and generates a control command "click".
  • To mark symbols or for text marking the pressure on the cuff 6 is maintained longer. If the pen is additionally pressed onto the base and moved laterally, the marked screen or text section is also moved.
  • the input device is not necessarily moved, that is, the pressure changes vertically to the pin axis and the tilting and pressing on the pad produce the same effect.
  • peripheral input device 1 an additional separate pressure switch is mounted, which causes a mouse click analogous to a conventional computer mouse.
  • the right button of a conventional computer mouse can be realized by a corresponding pressure switch.
  • the peripheral input device 1 is provided in a first operating mode for generating control signals for actuating the data processing device, the input device is used to input text characters or graphics characters after switching to a second operating mode. These characters are preferably evaluated by software technology for biometric data for manuscript analysis or personal authentication.
  • the switching between the two operating modes can be carried out in various ways, for example by a separate pressure switch, by pressure pulses on the sleeve 6 or by pressure pulses on the pen tip 4. Except these two operating modes, the input device 1 according to the invention can also by providing a corresponding write mine as usual Writing instrument can be used.
  • the input device 1 is used in addition to measuring an individual writing dynamics, that is, a measurement of the writing pressures as a function of time.
  • These print time signals are tamper-proof and offer the possibility of reliable biometric character, manuscript and person recognition.
  • This data is used, for example, for biometric feature analysis, so that a person authentication, that is, identification or verification can be realized online.
  • the conventional authorization by password or PIN can be additionally biometrically secured or completely replaced by biometric signature.
  • FIG. 7 shows a preferred embodiment of a pressure sensor 8.
  • the pressure sensor shown is a micromechanical pressure sensor, the circumference of the fluid channel 7 being reduced to the circumference of the micromechanical pressure sensor 8 by means of a micromechanical adapter 13.
  • a fluid 14 In the fluid chamber 7 is a fluid 14, which exerts a pressure on the micromechanical pressure sensor 8.
  • FIG. 8 shows the micromechanical pressure sensor 8 in detail.
  • the pressure sensor is a micromechanical piezo-resistive pressure sensor with membrane in CMOS technology.
  • FIGS. 9a, 9b show embodiments for pressure sensors and holders of the writing pencil lead 3.
  • the fluid chamber 5 bears directly against the pencil lead 3.
  • FIG. 10 shows a further possible embodiment of the peripheral input device 1 according to the invention.
  • three fluid chambers 5d, 5e, 5f are provided in the elastic sleeve 6.
  • the fluid chambers mounted within the pressure-sensitive cuff 6 are each connected via an associated fluid channel 7d, 7e, 7f to an associated pressure sensor 8d, 8e, 8f, which emits a corresponding pressure signal.
  • the three fluid chambers 5d, 5e, 5f are not axially symmetrical circumferentially mounted within the sleeve 6, but extend in an upper region of the housing just below the surface of the pressure hull or the sleeve 6, while on the underside of the
  • Pen housing further away from the surface inside the sleeve 6 run.
  • the fluid chambers 5d, 5e, 5f are arranged asymmetrically eccentrically circumferentially.
  • the finger position can be determined by means of the three pressure signals.
  • measurable pressure differences in the three fluid chambers 5d can already be achieved in a scrolling operating mode by pushing the index finger back and forth on an upper side of the input device with a very small bearing or holding force , 5e, 5f.
  • the direction and speed of the screen scrolling movement can be sensitively controlled.
  • a mouse click is triggered in the fluidic peripheral input device according to the invention, for example by a pressure pulse on the cuff 6 by the finger holding the pen.
  • a pressure pulse on the cuff 6 by the finger holding the pen.
  • thumb and middle finger are compressed. These two fingers generally hold the pen or input device 1 on the underside of the cuff 6.
  • the corresponding fluid chambers are in the lower region, i. H. on the underside of the input device a little deeper within the cuff 6 attached.
  • a stronger pressure of the fingers is required than in the triggered by the index finger scroll movement to trigger a mouse click.
  • the arrangement shown in FIG. 10 also ensures that a pressure pulse is registered virtually simultaneously and in a similar size of all three fluid chambers, so that an evaluation of the signal as a mouse click is facilitated.
  • the force is transmitted from the pen refill 3 to the fluid chamber 5 via a mechanical pressure pin 15.
  • the peripheral input device 1 can be used universally.
  • the inventive Peripheral input device 1 In the first operating mode, the inventive Peripheral input device 1 generate control signals for an electronic data processing device.
  • the peripheral input device is suitable as a replacement for a conventional computer mouse, in particular for mobile devices such as notebooks, PDAs, mobile phones and the like. Due to the spatial autonomy in the pen positioning and guidance as well as the functional and ergonomic handling of the input device 1, which has the usual pen shape, and the software adjustable to the user sensitivity of the fluidic sensor, the input device 1 according to the invention has serious advantages over a conventional Computer mouse and also in particular compared to a conventional touchpad or trackball.
  • the fluidic peripheral input device 1 can additionally be used as a biometric access control system.
  • the user After switching on and booting the data processing device or the computer, the user requests a signature request with the input device 1, which is then compared with a stored reference or signature or a bio-PIN.
  • a security threshold to be set variably, an authorized person is identified and admitted or rejected in the data system.
  • biometric login biometric password
  • biometric access control in networks
  • biometric access control to rooms and devices electronic payment
  • e-commerce electronic payment
  • DCR dynamic character recognition
  • biometric authorization for data access
  • biometric logging and documentation of database access measurement of a user's neuromotor condition
  • neuromotor medication control human-machine interfacing
  • arbitrary game functions e.g., game functions

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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

L'invention concerne un outil de saisie périphérique fluidique (1) pour un dispositif de traitement de données électronique. Cet outil comporte une mine de crayon (3) pouvant être appliquée sur un support, au moins un compartiment à fluide (5) pouvant être placé sur la mine de crayon (3) et rempli d'un fluide (14), la pression du fluide à l'intérieur du compartiment à fluide (5) correspondant à une force d'application avec laquelle la mine de crayon (3) est appliquée sur le support, ainsi qu'un capteur de pression (8) détectant la pression du fluide et convertissant cette dernière en un signal électronique pour le dispositif de traitement de données.
PCT/EP2006/003386 2005-04-18 2006-04-12 Outil de saisie peripherique fluidique pour un dispositif de traitement de donnees electronique WO2006111318A1 (fr)

Applications Claiming Priority (2)

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DE102005017936.3 2005-04-18
DE102005017936.3A DE102005017936B4 (de) 2005-04-18 2005-04-18 Fluidisches Peripherie-Eingabegerät für eine elektronische Datenverarbeitungsvorrichtung sowie Verfahren zur Erzeugung eines Eingabe-Steuersignals für eine Datenverarbeitungsvorrichtung

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WO2013071917A2 (fr) * 2011-11-14 2013-05-23 Jens Hansen Dispositif d'écriture
DE102011119014A1 (de) * 2011-11-14 2013-05-16 Jens Hansen Schreibeinrichtung
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