Abstract: A handwriting-input device and method capable of inputting a mixture of a character and a graphic without feeling discomfort even when an input area is physically limited. A handwriting-input device including, on a display screen, a normalized pencraft input area for inputting a pencraft desired to be normalized to be input and a pencraft arrangement area for inputting a pencraft that is not normalized and normalizing the pencraft to display it, at least includes: coordinate input means to obtain coordinate position information input by an input medium; and input area judgment means to judge which of the normalized pencraft input area and the pencraft arrangement area the pencraft is input in, based on the coordinate position information, wherein the pencraft can be input based on a judgment result in the input area judgment means.

Abstract: An electronic device having a handwritten mathematical formula recognition function includes a display unit with a touch panel. When a recognition-assisting information input module inputs recognition-assisting information for handwritten data to be recognized in response to a user's operation, the handwritten data input on the touch panel is recognized by a handwritten mathematical formula recognition module as an element of a mathematical formula, based on the recognition-assisting information input from the recognition-assisting information input module. The mathematical formula recognized by the handwritten mathematical formula recognition module is displayed on the display unit in a text format by a mathematical formula output module.

Abstract: A portable electronic device, including a housing defining an earphone connector, a touch screen, and a stylus having a stylus body, a tip and a pin connecting the stylus body with tip, and the pin and the tip are detachably secured in the earphone connector.

Abstract: To provide a touch sensor device and the like, which can improve the detecting accuracy of a surface-capacitive type touch sensor. A touch sensor device of the present invention includes: a touch panel which forms a capacitance between a human body and itself when the human body makes a contact or approaches thereto; a power supply part which has a battery or the like which outputs a DC voltage, converts the DC voltage to an AC voltage, and outputs the AC voltage from the touch panel; a reference potential part to be a reference potential of the AC voltage; a wrist strap and a cable which are electrically connected to the reference potential part and to which the human body makes a contact; and a current detecting part which detects electric currents flown from the power supply part to the human body.

Abstract: An electromagnetic pointer comprising a pen tip, a first and second ferrite cores, a coil surrounding the first ferrite core, a core holder, a circuit board holder and a circuit board is disclosed. The pen tip penetrates through the first ferrite core. The surface of one end of the core holder has a first thread thereon. An elastomer and a touch pin are configured in the core holder. The touch pin extends out from the end with the first thread of the core holder. The inner surface of one end of the circuit board holder has a second thread so that the core holder is able to be screwed into the circuit board holder. The circuit board has a plurality of conductive terminals on one end thereof. The conductive terminals are configured adjacent the touch pin. A conductive device is between the conductive terminals and the touch pin.

Abstract: A portable game machine with a display which also serves as a touch panel type input portion is comprised of means for detecting a contact between a finger of a player and a screen, means for computing a coordinate position of the finger on the screen, means for computing and determining the coordinate position where the object to be displayed on the display is displayed so as to separate a predetermined distance from the coordinate position of the finger and to create a gap between the object displayed on the display and a periphery of the finger contacted with the screen, and object display means for displaying the object at the computed and determined coordinate position on the display.

Abstract: A data transfer device comprising: a body; a tip coupled to the body, wherein the tip has a dielectric constant value suitable for interacting with a capacitive touch screen of a separate device; a control unit mounted to the body; and an electronic switch mounted to the body and operatively coupled to the control unit, wherein the switch is disposed to connect the tip to a ground source when the switch is in a closed configuration and to break the connection between the tip and the ground source when the switch is in an open configuration.

Abstract: A touchpad includes a controller connected to a touch sensor. The controller detects the fingers touching on the touch sensor to determine to start up and terminate a scroll bar control function. In the scroll bar control function, the movement of the finger or fingers touching on the touch sensor is detected for scrolling on a window, and the vertical distance and the horizontal distance of the movement are evaluated for determining the scrolling amount of a vertical scroll bar or a horizontal scroll bar of the window.

Abstract: A portable electronic device includes: a main module disposed in a main housing; a keyboard mounted on a mounting surface of the main housing and connected electrically to the main module; and a touch input unit mounted to the main housing and connected electrically to the main module. The touch input unit has first, second and third operating areas spaced apart from each other and exposed from the mounting surface of the main housing. The touch input unit generates an input signal corresponding to one touch point on any one of the first, second and third operating areas, and outputs the input signal to the main module such that the main module performs an operation corresponding to the input signal.

Abstract: A method and apparatus for detecting by a digitizer an application of an electronic pen on or within a predetermined distance from a screen of an electronic device, and includes compensating coordinates of an electronic pen relative to screen. At least one magnetic field is detected that is produced by the electronic pen and that has a different central axis each other The digitizer determines whether the electronic pen is inclined based on a number of detected magnetic fields. A determination is made whether to apply a compensation value for compensating coordinates of the electronic pen based on determining inclination of the electronic pen. The present invention advantageously permits exact recognition of coordinates of the electronic pen whether then pen is inclined or not by performing the coordinate compensation taking into account the inclination of the electronic pen and the inclined direction.

Abstract: An information processing apparatus includes an obtaining unit, a specifying unit, a calculating unit, and an evaluating unit. The obtaining unit obtains position information and time information. The position information indicates a position at which a writing action has been performed and which is specified in accordance with code information formed on a medium to which an operation result for operation items is input. The time information indicates a time at which the writing action was performed. The specifying unit specifies an operation item for which the writing action has been performed. The calculating unit calculates an operation time taken to perform an operation of the operation item for which the writing action has been performed. The evaluating unit detects an operation item in which a time difference between the calculated operation time and a predetermined standard operation time is longer than or equal to a predetermined time.

Abstract: A transducer for a position sensor includes a single laminate sensor board carrying a plurality of windings formed by conductors on one or more layers of the sensor board. The windings are arrayed over a first area of the sensor board. Detection circuitry is mounted on another layer of the sensor board over a second area of the circuit board and electrically coupled to the windings. The detection circuitry has a first mode of operation in which signals inductively coupled to or from windings are detected and a second mode of operation in which signals capacitively coupled to or from said windings are detected. The windings and detection circuitry are arranged on the sensor board so that said first and second areas oppose each other. A position sensor incorporates the transducer.

Abstract: A stylus device receives light from a display though an optical element that is adapted to increase the field curvature of an image formed on an image sensor of the stylus device. Based on the size and shape of a portion of the image that is in focus, a distance, orientation, and/or azimuth of the stylus device with respect to the display can be determined. In addition, a position corresponding to each pixel, or groups of pixels, is encoded into blue light emitted by each pixel or group of pixels of the display. Upon initialization, or after a loss of synchronization, the stylus device can determine its position with respect to the pixels by decoding the encoded position. After synchronizing its position with the display, the stylus device can determine its subsequent positions by tracking pixels of the display.

Abstract: A display apparatus includes a touch panel provided overlapped on a display screen, a touch pen allowing switching of degree of smoothness of a pen tip portion in a plurality of levels and a controller causing, when the tip end of the touch pen touches the touch panel, a prescribed object image to be displayed on a position corresponding to the touched position. The controller includes a display manner selecting unit for selecting a manner of displaying the object image in accordance with the degree of smoothness of the tip end portion of the touch pen, and a display controller for displaying the object in the display manner selected by the display manner selecting unit at the position corresponding to the touched position.

Abstract: A position detecting device includes: a position indicator operable to resonate at a first frequency, upon receipt of an excitation signal, to oscillate at a second frequency different from the first frequency so as to generate an oscillation signal, and to transmit the oscillation signal thus generated; and a position detector operable to generate the excitation signal and to transmit the excitation signal to the position indicator, and configured to perform band pass filtering and amplitude detection upon the oscillation signal received thereby for generating a processed signal, and to obtain information corresponding to position of the position indicator relative to the position detector based on the processed signal. A frequency range of the band pass filtering includes the second frequency and excludes the first frequency.

Abstract: A touch panel input stylus comprises a casing, a lens, a shading member, and a light emitting element. The lens, the shading member, and the light emitting element are received in the casing. The shading member defines a stepped through aperture. The stepped through aperture includes a light through hole and a receiving hole having a greater diameter than the light through hole. A longitudinal positioning structure is provided in the receiving hole. The light emitting element is received and fixed in the receiving hole firmly by the longitudinal positioning structure. The longitudinal positioning structure is deformable. The light emitted from the light emitting element passes through the light through hole and then travels through the lens.

Abstract: A computing system comprises a processor and internal peripheral devices, and a system bus connecting the internal peripheral devices to the processor. One of the internal peripheral devices is an ultrasonic digitizer that digitizes ultrasonic signals from at least two associated microphones into a digitized audio signal carrying a corresponding location and outputs the digitized audio as a signal on the system bus.

Abstract: A method includes, at an electronic device with a display and a touch-sensitive surface: concurrently displaying a first text entry area and an unsplit keyboard on the display; detecting a gesture on the touch-sensitive surface; and, in response to detecting the gesture on the touch-sensitive surface, replacing the unsplit keyboard with an integrated input area. The integrated input area includes a left portion with a left side of a split keyboard, a right portion with a right side of the split keyboard, and a center portion in between the left portion and the right portion.

Abstract: A system and method for providing feedback to a user making a gesture for switching between at least two types of user interactions used to operate a digitizer system, the method comprising recognizing the gesture to switch between the types of user interactions, switching the type of user interaction used to operate the digitizer system, and providing feedback to the user indicating recognition of the gesture.

Abstract: Described herein is a system that includes a receiver component that receives gesture data from a sensor unit that is coupled to a body of a gloveless user, wherein the gesture data is indicative of a bodily gesture of the user, wherein the bodily gesture comprises movement pertaining to at least one limb of the gloveless user. The system further includes a location determiner component that determines location of the bodily gesture with respect to a touch-sensitive display apparatus. The system also includes a display component that causes the touch-sensitive display apparatus to display an image based at least in part upon the received gesture data and the determined location of the bodily gesture with respect to the touch-sensitive display apparatus.

Abstract: In one embodiment, a stylus receives a signal, the stylus being able to wirelessly transmit signals to and receive signals from a device, and the stylus having a plurality of electrodes disposed in a tip of the stylus. The stylus compares a first value of the signal to a first threshold and determines whether to start a timing period based at least in part on this comparison. If the timing period is started, the stylus compares a second value of the signal to a second threshold and determines whether to stop the timing period based at least in part on this second comparison. If the timing period is stopped, the stylus determines whether the duration of the timing period is within a pre-determined range of timing period values. If so, the stylus processes the signal.

Abstract: A stylus for a portable electronic device, includes a bar portion, a nib portion, and a lens member. The nib portion is formed at an end of the bar portion, the lens member is rotatably connected to the nib portion and used as a magnifying lens to better observe characters written using the stylus.

Abstract: A touch stylus includes a first sleeve, a second sleeve, a stylus body, a first slide rod, and a second slide rod. The first sleeve defines a first assembling hole and the second sleeve defines a second assembling hole. The second sleeve is slidably received in the first assembling hole, the stylus body is slidably received in the second assembling hole. The first slide rod is secured with the first sleeve and slidably connects to the second sleeve. The second slide rod is secured with the second sleeve and slidably connects to the stylus body.

Abstract: An angle correcting method for a position pointer induced by a handwritten input device is disclosed. The steps of the method includes: firstly, an inclined angle table is provided. Then, a first induced voltage amplitude of a first position where the position pointer touches and a second induced voltage amplitude of a second position where is near to the first position are induced. The ratio of the first induced voltage amplitude to the second induced voltage amplitude is calculated to generate an amplitude ratio. Finally, the inclined angle table is looked up to find an inclined angle according to the amplitude ratio.

Abstract: A digital palette and a digital pen device are used to create or manipulate a digital document to provide complex information using features, such as graphical features selected from stencils, shapes, and connectors and possibly to apply one or more attributes to the digital document. The digital palette may have a custom layout. The features on the digital palette may be selected from a variety of sources, such as digital stencil libraries. The digital palette and digital document may be arranged on the same or different sheets of digital paper overlying one or more digital patterns. Information communicated from the digital palette to the digital document may be uploaded, processed, reviewed, changed and stored in a computer. Lastly, the digital document may be finalized and printed to incorporate all changes previously made using the digital palette, the digital pen device and the computer.

Abstract: An electronic apparatus including a main body and a stylus is provided. The main body includes a containing trench having a bulge and a reset button. The stylus includes a stylus body, a stylus front end and a stylus rear end. A surrounding trench structure of the stylus body has a first end and a second end connected to a first stylus body and a second stylus of the stylus body respectively, wherein the cross section area of the first end is smaller than the same of the second end. The stylus front end passes into the containing trench to perform a first displacement to a first position, and then to perform a second displacement to a second position by pressing the stylus rear end to make the surrounding trench structure slide over the bulge such that the stylus tip touches the reset button to reset the electronic apparatus.

Abstract: A 3D pointing device utilizing an orientation sensor, capable of accurately transforming rotations and movements of the 3D pointing device into a movement pattern in the display plane of a display device is provided. The 3D pointing device includes the orientation sensor, a rotation sensor, and a computing processor. The orientation sensor generates an orientation output associated with the orientation of the 3D pointing device associated with three coordinate axes of a global reference frame associated with the Earth. The rotation sensor generates a rotation output associated with the rotation of the 3D pointing device associated with three coordinate axes of a spatial reference frame associated with the 3D pointing device itself The computing processor uses the orientation output and the rotation output to generate a transformed output associated with a fixed reference frame associated with the display device above. The transformed output represents a segment of the movement pattern.

Abstract: A portable electronic device includes a housing with a base. A touch-sensitive input assembly is spaced from and moveable relative to the base and a stopping arrangement limits movement of the touch-sensitive input assembly in the direction of the base. An actuating arrangement including a piezoelectric actuator for selectively receiving an applied voltage to thereby apply a force to the touch-sensitive input assembly. An accelerometer and functional components are housed within the housing. The functional components include a memory and a processor operably connected to the memory, the touch-sensitive input assembly, the piezoelectric actuator, and the accelerometer to monitor signals from the accelerometer and, if a fall is detected, apply a negative voltage to the piezoelectric actuator causing reverse bending of the piezoelectric actuator to permit the stopping arrangement to limit movement of the touch-sensitive input assembly and thereby limit force exerted on the piezoelectric actuator.

Abstract: A stylus includes a stylus barrel, a electrically conductive stylus head connecting to the stylus barrel, a rod assembly and a shaft. The rod assembly includes a swing block and an elastic member connecting the end of the swing block. The rod assembly is assembled in stylus barrel, the shaft is secured on the stylus barrel and passes through the swing block, making the swing block enable to tilt about the shaft, an end of the stylus head rotatably connects the other end of the swing block relative to the elastic member, the other end of the stylus head exposed to the stylus barrel, the elastic member provides an elastic force to cause the stylus head return to the original position after the stylus is moved into a tilted position.

Abstract: A portable game machine with a display which also serves as a touch panel type input portion is comprised of means for detecting a contact between a finger of a player and a screen, means for computing a coordinate position of the finger on the screen, means for computing and determining the coordinate position where the object to be displayed on the display is displayed so as to separate a predetermined distance from the coordinate position of the finger and to create a gap between the object displayed on the display and a periphery of the finger contacted with the screen, and object display means for displaying the object at the computed and determined coordinate position on the display.

Abstract: A stylus is disclosed including a main barrel, a main body receiving the main barrel, a stylus cover covering the main body, and a sliding rod assembled to the main barrel. The main body is slidably assembled to the sliding rod to transfer between being latched inside the main barrel and being exposed out of the main barrel.

Abstract: A method, system, and computer program product for determining a level of cleanliness of a multi-touch screen display, characterizing objects that make contact with the screen, and initiating a specific maintenance action on the screen, based on screen cleanliness and the object(s) characterization(s). A screen diagnostic and maintenance (SDM) utility initiates a number of procedures to determine the type of object(s) and a set of characteristics of object(s) that make contact with the touch screen. Based on the results of the procedures, the SDM utility characterizes/identifies the object(s). In addition, the SDM utility initiates maintenance screen check(s) based on information stored in maintenance configuration file(s). Based on the results of the maintenance check(s), configuration file(s) data and type and characterization of the object(s) that have made contact with the screen, the SDM utility determines the type of maintenance that is performed and the timing/schedule of the maintenance action(s).

Abstract: A transparent touch surface keyboard includes a touch screen, a transparent display screen electronically connected to the touch screen; a central processing unit; and a sensing device. The transparent display screen and the sensing device are electronically connected to the central processing unit. The sensing device senses whether user's hands are above the touch screen and in a position for using the keyboard, and sends control signals to the central processing unit. The central processing unit switches the transparent touch surface keyboard to a working state or a standby state according to the control signals.

Abstract: A stylus pen for a capacitive touch screen that allows delicate input. The stylus pen for the capacitive touch panel includes: a pen having a body extending longitudinally and an input portion positioned at one end of the body to provide touch input to the capacitive type touch panel, wherein the input portion comprises: a center conductor having a connection portion that is combined with the body and a tip portion having a cross-sectional area that is smaller than the cross-sectional area of the connection portion that is connected to the body; and a transparent electrode plate that is connected to an end of the tip portion of the center conductor opposite an end connected to the connection portion, wherein the transparent electrode plate has a cross-sectional area larger than the tip portion while defining a touch surface.

Abstract: An optical touch screen including a display surface, an optical illumination assembly arranged along at least part of a periphery of the display surface, at least one light detector arranged to detect light distribution produced by the optical illumination assembly and changes in the light distribution produced by the presence of an object in predetermined propinquity to the display surface, detection circuitry receiving at least one output from the at least one light detector and providing an output indication of a two-dimensional location of the object relative to the display surface, calibration functionality responsive to changes in light distribution other than changes produced by the presence of an object in predetermined propinquity to a region of the display surface for calibrating the detection circuitry, at least one auxiliary illumination source, and at least one partially transmissive, partially reflective optical element disposed along a light path to the at least one light detector, providing a

Abstract: A touch stylus includes a stylus tube, a stylus holder, and a retracting mechanism. The stylus tube includes a tip integrally formed on one end thereof. The stylus holder is retractably coupled to the stylus tube by the retracting mechanism so the stylus holder can be extended out of the stylus tube to improve the convenience of use of the touch stylus or retracted to improve the portability of the touch stylus. The retracting mechanism includes a guiding track defined in the stylus holder and a fixing pin retractably engaged with the guiding track and fixed to the stylus tube so the stylus holder is retractably coupled to the stylus tube.

Abstract: The presently disclosed technology teaches using a tilt-sensitive virtual marking implement to render an impression on an electronic presentation device. Further, a bearing measurement and a tilt measurement of the virtual marking implement are made with respect to the surface. The tilt and bearing are then used to vary geometry of an impression profile associated with the physical marking implement as well as an intensity of the rendering. A user may actively vary the impression profile while he or she produces strokes of the virtual marking implement across the surface without changing the physical marking implement selection or switching to a different virtual marking implement. When creating a rendering on a virtual canvas using the virtual marking implement and the surface, a user may wish to vary an orientation of the virtual marking implement so that a corresponding impression profile mimics an impression of a selected physical marking implement.

Abstract: A stylus includes a housing, a stylus body and a first rotating member. The stylus body includes a tip. The first rotating member is coupled between the housing and the stylus body so the stylus body rotatably engages with the housing. The tip moves from one side of the first rotating member to another side of the first rotating member, when the stylus body rotates relative to the housing.

Abstract: An embodiment of the present invention provides a stylus as an inputting device of a handwriting system. The stylus comprises a jog ball, a signal emitting circuit for emitting electromagnetic waves, an resonant circuit for determining the frequencies of the emitting electromagnetic waves, and a button and ball circuit that comprises a pair of sensing units respectively arranged at up and down side of the jog ball for tracking the rolling of the jog ball.

Abstract: An electronic device includes a main body, a stylus and a stylus fixing assembly fixed on the main body for seating the stylus. The stylus fixing assembly includes a cover, a fixing element fixed on the cover, a guide element, a rotation element, a clasping element rotatably fixed on the cover, a first spring and a second spring. The fixing element includes three guide grooves and a convex stage disposed on the inner wall therein. The guide element includes several first teeth and three first guide ribs. The rotation element includes a cylindrical portion, a resisting portion, several second teeth and three second guide ribs. Two ends of the first spring are fixed on the sidewall of the cover and the resisting portion separately. Two ends of the second spring are connected with the cover and the clasping element.

Abstract: A display device incorporating a touch panel that can be made thinner than a conventional one and requires no countermeasure against misalignment in overlapping is provided by incorporating a touch panel. The display device incorporating a touch panel includes a display panel having a first substrate and a second substrate. The second substrate has a conductive light shielding film formed in a grid pattern on a surface on the opposite side from an observer. The conductive light shielding film is used as a touch panel electrode of electrostatic capacitive coupling system. The conductive light shielding film has a shape with four corners. The corners of the conductive light shielding film are connected to a touch position detection circuit. The display panel has four conductive members.

Abstract: An electronic pen transmits pen information to a controller corresponding to detection of a touch condition, and thereafter turns ON a connecting switch that disconnects electrical connection between the tip portion and the grip portion of the pen that are provided in a state of being electrically disconnected from each other so as to cause a pen input acceptance state. The controller determines that position detection information is from the electronic pen when the position detection information is received from a position detecting device after the pen information is received from the electronic pen, while the controller determines that position detection information is from a finger when the position detection information is received from the position detecting device without receiving the pen information from the electronic pen.

Abstract: The present invention relates to at least one image section which is represented according to a zoom factor selected from a number of different zoom factors. Either the represented image section is changed when the zoom factor is lower than a zoom threshold value, or a marker representation superimposing the image section is displaced when the zoom factor is higher than a zoom threshold value, via input elements.

Abstract: The embodiments of the present invention disclose a touch stylus, a touch detection method and a touch detection system, which are suitable to be used for writing on a capacitive touch screen and can increase the success rate of touch. A method according to an embodiment of the present invention includes: receiving, by a sensing electrode, a square wave signal sent from a stylus tip of a touch stylus; performing a detection process on the square wave signal, by a sensing detection unit, the sensing detection unit having a clock synchronized with a clock of the touch stylus; determining, by a signal processing unit, whether a touch event occurs according to the square wave signal processed with the detection process; and calculating position coordinates of the touch event and reporting the position coordinates to a system control unit, by the signal processing unit, if a touch event occurs.

Abstract: A character recognition device which recognizes an operation for writing a character performed by a housing including an acceleration sensor while being moved in a spatial plane based on a measurement result from the acceleration sensor, a control section acquires acceleration data of each component acquired during the period from the start of writing to the end of the writing of one character determined based on acceleration data of a component associated with each axis of the acceleration sensor, as a series of acceleration data that are temporally continuous from the first stroke to the last stroke of the character including acceleration between strokes. The control section identifies feature points for each component that exist in a series of acceleration data, generates feature point data for each component which includes the plurality of feature points as inputted character data, and collates it with basic character data.

Abstract: An embedded optical induction input device and method of implementing the same. Such a device includes a light sensing circuit and a conversion circuit. The light sensing circuit generates an induced current signal based on the variations of the intensity of light irradiation received as caused by a touch-control-position event; and the conversion circuit is connected to the light sensing circuit and receives an induced current derived therefrom. The conversion circuit is provided with a first transistor and a second transistor coupled together, that are driven by a positive and a negative biases having the same period but different phases, thus the induced current signals are converted into induced voltage signals based on the alternative turn-on's and turn-off's of the first transistor and the second transistor.

Abstract: An electromagnetic pen includes a pen core body, an outer cladding surrounding the pen core body, an oscillator circuit and a battery. The outer cladding is made of insulative material. A number of elongated first conductors and a number of elongated second conductors are alternately arranged on a circumferential surface of the outer cladding, and each first conductor is electrically insulated from the corresponding neighboring second conductors. Each first conductor is electrically coupled to the battery, and each second conductor is electrically coupled to the oscillator circuit. When the electromagnetic pen is held by a user, the first conductor is electrically connected to the second conductor via the user's hand, causing the battery to provide voltage to the oscillator circuit, and the oscillator circuit therefore emits electromagnetic signals.

Abstract: A method includes detecting a touch on a touch-sensitive display, determining when a touch value associated with the touch meets a first touch threshold, determining a first period of time between detecting the touch and when the touch value meets the first touch threshold, and providing a first tactile feedback when the first period of time is meets a first time threshold.

Abstract: A touch electrophoretic display apparatus includes an electrophoretic display panel and a touch panel. The electrophoretic display panel includes a substrate and a front plane laminate, wherein the front plane laminate is disposed on the substrate and the front plane laminate has an electrophoretic layer. The touch panel is disposed on the front plane laminate and is contacted the front plane laminate. The touch electrophoretic display apparatus has an advantage of high brightness.

Abstract: A hand-writing input device includes a penholder, a writing head and an infrared light source. The penholder includes a writing end and an opposite top end. The writing head is arranged on the writing end. The writing head is capable of leaving color distinguishable traces on an object. The infrared light source is positioned on the writing end of the penholder adjacent to the writing head. The present invention also relates to a hand-writing input system using the hand-writing input device.