Abstract: A stylus and sensor capable of determining levels of pressure applied to a tip are disclosed. The stylus has a tip configured to interact with and receive a force from a touch surface. The stylus includes a force sensitive resistor configured to vary resistance in an electrical circuit based on the force and a component for determining an amount of pressure corresponding to the force or a change in pressure based on the resistance in the electrical circuit. The stylus can have a chamber housing a slide-able plunger connected to the tip, the plunger being adapted to move in directions perpendicular or tangential to the surface when the force is applied. The resistor is disposed at an end of the chamber. The stylus can have a conductive strip on the resistor and a disc on the strip. The disc is configured to compress when force is applied by the plunger.

Abstract: An electromagnetic pressure-sensitive pointer is disclosed. The electromagnetic pointer comprises a pen core and an oscillating circuit. The pointer core has a pointer tip. The oscillating circuit comprises a plurality of conductive terminals and a conductor. A capacitance of the oscillating circuit is increased through the contact between the conductive terminals and the conductor as a force is applied upon the pointer tip. When pointer's tip is been pressed, the pointer's frequency will have an obvious transition while its pressure-sensitivity is maintained.

Abstract: Methods and devices for determining the location of a touch implement relative to a touch locating sensing device involve developing touch signals at a touch sensor in response to a touch implement on or near the touch surface. Data associated with the touch signals is fitted to a predefined curve. The predefined curve is preferably defined by a charged sphere near a conducting plane, the charged sphere representative of an end of the touch implement and the conducting plane representative of the touch surface. A location of the touch implement is determined relative to the touch surface using the predefined curve to which the data is fitted.

Abstract: In some implementations, a stylus having a variable capacitive coupling mechanism may include a conductive stylus tip and a conductive stylus body. A spacer of resilient material may be positioned between the stylus body and the stylus tip. The spacer may be compressed when a user presses the stylus tip against a contact surface an electronic device having of a capacitive touch sensor. The compression of the spacer moves the stylus body closer to a proximal portion of the tip, which increases the capacitive coupling of the stylus with the touch sensor and provides an indication of the amount of pressure applied to the stylus tip by the user. In some examples, the stylus may further include a magnet, and the electronic device may include at least one magnetic field sensor to detect the orientation and/or angle of the magnet and, thus, the orientation and/or angle of the stylus.

Abstract: A method for manufacturing a bristle head for a brush is provided. The method includes a first step of obtaining a fiber bundle by reeling up a melt-spun synthetic fiber, a second step of obtaining a unit fiber bundle by cutting the fiber bundle in a direction perpendicular to a longitudinal direction, a third step of forming a tapered shape at a tip portion of each fiber included in the unit fiber bundle, a fourth step of forming a bristle head by isolating a part of the unit fiber bundle, and a fifth step of forming a conductive portion including a conductive material on a surface of each by immersing the bristle head in a treatment bath accommodating a treatment liquid.

Abstract: A touch module includes a touch device, a stylus, and a processing unit. The stylus includes a body, a motor, an angle encoder, and a distance sensor. The angle encoder and the distance sensor are disposed on a rotating shaft of the motor. The distance sensor detects relative distances between itself and first, second, third, and fourth sides of a front frame of the touch device respectively. The processing unit is disposed in the body or the touch device for controlling the rotating shaft to rotate when a mark of the body points to the first side, calculating rotating angles of the rotating shaft and determining whether the rotating shaft makes one rotation according to encoded data of the angle encoder, and calculating four local minimum distances according to relationship of the rotating angles and the relative distances for positioning the stylus on a touch surface of the touch device.

Abstract: A system for generating an image display comprising a digital camera for capturing digital images, a computer for automatically selecting a digital image template having a designated location for disposing one of the captured digital images, and the computer for selecting one of the captured digital images to be disposed therein, an electronic display for displaying the digital template with the captured digital image disposed in the designated location, and a transmission channel for transmitting to the electronic display the captured digital images.

Abstract: An information processing device includes a storage unit configured to store a predetermined motion of a user who uses an operating device and an attribute of the predetermined motion per role of the user in association with each other; an image capturing unit configured to capture an image of a predetermined area including a projection area on which a projecting device projects an image; an identification unit configured to identify the attribute associated with the predetermined motion corresponding to a motion of light emitted to the predetermined area from the operating device based on the motion of light and an operation signal, referring to the storage unit; a synthetic image generation unit configured to generate a synthetic image by reflecting the attribute of the predetermined motion in the image projected; and a history record unit configured to generate history data including the synthetic image, the role, the attribute.

Abstract: A method and device is for a multi-touch based correction of a handwriting sentence system. The method includes receiving touch inputs, generating interpreted input data as a function of the touch inputs, and displaying the interpreted input data on a display device. A request to correct a portion of the interpreted input data then switches to a correction mode. During the correction mode, a correction user interface is displayed on the display device, a gesture is received so setting data is determined as a function of a first disposition of the gesture, the setting data indicating a type of correction to be applied to the portion of the interpreted inputs, a correction data is determined as a function of a second disposition of the gesture, and the portion of the interpreted input data is corrected as a function of the touch input, the setting data, and the correction data.

Abstract: A tip element for a light-emitting touch pen includes: a solid transparent rod having a first rod portion disposed in a pen barrel, and an exposed second rod portion with a tip; and a light collecting unit including a first light-collecting structure formed coaxially in the first rod portion, and a second light-collecting structure formed, coaxially in the second rod portion and projecting toward the first rod portion. A part of light, which is emitted by a lighting unit in the pen barrel and propagates into the first rod portion, is reflected/refracted by the first light-collecting structure toward the second light-collecting structure to thereby radiate out of the second rod portion through reflection/refraction thereby.

Abstract: A touch input device is disclosed. In one aspect, the device includes a body, a conductive net and an elastic member. The body includes a conductive area with one open end. The conductive net covers a conductive area of the body and intersected with a plurality of conductive lines in a mesh shape. The elastic member is received in the body and supports the conductive net.

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: One exemplary embodiment involves receiving an input on a device, the input comprising at least one of an amount of pressure applied to the device against a computing device, a click of a physical button associated with the device, or a movement of the device against the computing device. The embodiment also includes transmitting the received input to the computing device via a wireless transceiver associated with the device. Additionally, the embodiment includes causing a plurality of actions to be performed on the computing device based at least in part on the received input.

Abstract: In one embodiment, a stylus has one or more sensors that detect the movement of the stylus, such as an accelerometer, a gyroscope, or a magnetometer. The stylus wirelessly transmits signals to a device based on the movement of the stylus.

Abstract: In one embodiment, a stylus has one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch-sensor of the device. The stylus also has an electronic circuit operable to provide an input that changes a property of one or more materials located on the body of the stylus or on the stylus tip.

Abstract: A touch screen system includes a touch screen that provides touch information in response to a touch event. The touch screen system also includes a rapid response display controller having a reactive interpretation unit that provides an initial display representation of the touch information and a reactive feedback unit that provides the initial display representation to the touch screen for an initial display. The touch screen system further includes a routine response display controller that additionally receives the touch information and provides a final display representation of the touch information to the touch screen for a final display. A method of touch screen display management is also included.

Abstract: A firearm training system provides a firearm body having a trigger and a position input circuit. When the trigger is pulled, the position input circuit emits a two-dimensional trigger position signal that allows monitoring of the actual two-dimensional trigger pull path taken by the trigger during the trigger pull. The trigger pull path can be displayed graphically on an electronic device in real time. In other embodiments, the information associated with the trigger position signal can be stored and can be graphically viewed after the trigger pull is complete. The system provides a way to monitor trigger pull path to determine whether the trigger has been pulled laterally. By repeatedly monitoring trigger pulls using the system, a user can train to improve trigger pull technique.

Abstract: The embodiments of the present invention disclose a rolling type input apparatus, a method for setting sensitivity thereof and electronic equipment. The method comprises: detecting a rolling direction and the rolling distance of a rolling device (1) in the rolling process of the rolling device (1) and generating corresponding interrupts; identifying the number and the direction of the interrupts; responding to the interrupts once by transmitting a moving event signal (10) for controlling a cursor (80) to move on a screen (8) when the number of the interrupts in the same direction reaches a threshold value; detecting parameters reflecting the speed and the amplitude of operations of a user for rolling the rolling device (1); and setting the threshold value according to the detected parameters. The technical solution can improve the automation degree of the rolling type input apparatus.

Abstract: An apparatus and method to detect coordinates in a pen-based display device are provided. In the apparatus, when an electronic pen is placed at a specific position on a display, an image of a pixel group corresponding to the specific position is captured through a camera provided in the electronic pen, a reference point is detected in the pixel group by processing the captured image of the pixel group, an area type of the captured image is determined based on the reference point, values of a coordinate indications corresponding to the position of the pixel group are determined, selectively correcting the determined values of the coordinate indications according to the determined area type to determine final values of the coordinate indications, and applying a predetermined coordinates calculation rule to the determined final values of the coordinate indications to determine final coordinates of the electronic pen.

Abstract: An electronic device for detecting presence includes a housing and an infrared (“IR”) sensor. The housing includes an outer surface having an opening formed thereon. The IR sensor is disposed in the housing and adjacent to the opening. The IR sensor has an unobstructed path and line of sight through the opening to outside of the housing. The IR sensor is configured to receive heat emitted by a person from outside of the housing via the opening and to generate a signal in response thereto.

Abstract: The enhanced feature of this invention is the direction of a pen input on an electronic device to a separate canvas where it can be separately manipulated and processed for use. Temporal and spatial analysis can ensure that each canvas contain pen strokes that spatially belong together such as an individual word composed of multiple strokes for easy manipulation of the word on the screen. Another related enhanced feature of the invention for erasing portions of the inputted writing is the process of generating a new curve with different points than the original curve.

Abstract: The electronic device for executing the predetermined operation based on the press includes a control unit configured to set an execution standard for executing the predetermined operation based on the pressure data and a cancellation standard for canceling the predetermined operation. The control unit sets the cancellation standard to be higher than the execution standard. Also, the control unit sets a plurality of execution standards for executing predetermined operations based on the pressure data and a cancellation standard for canceling the predetermined operations associated with the plurality of execution standards.

Abstract: A dual mode apparatus for writing on paper, inputting information to a host electronic device, and/or controlling applications on a host electronic device. The apparatus is preferably constructed and arranged as a combination pen and active stylus that includes a pen refill cartridge and an active stylus module. The pen refill cartridge comprises a body configured for storing ink and a ball-point assembly for dispensing the ink on a writing surface or physical media. The active stylus module is configured to transmit signals to the ball-point assembly of the pen refill cartridge. The ball-point assembly may include an antenna, optical transducer or ultrasonic transducer. In one expedient, the signals may be radio signals characterizing a force applied to the ball-point assembly, the level of a battery or the level of ink in the pen refill cartridge.

Abstract: When a touchscreen input device is in proximity with a first computing device, the touchscreen input device can send an identifier to the first computing device. The touchscreen input device can be used with the first computing device to define an action that can be performed on other computing devices. The first computing device can send the identifier of the touchscreen input device and an indication of the defined action to a server. When a touchscreen input device is in proximity with a second computing device, the touchscreen input device can send the identifier to the second computing device. The second computing device can send the identifier to the server. The server can send the second computing device an indication that the defined action can be performed on the second computing device.

Abstract: In one embodiment, a stylus with one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch sensor of the device has one or more sensors for detecting movement of the stylus.

Abstract: A capacitive stylus includes: a hollow stylus stick; a soft touch member made of conductive plastic or rubber in the form of a hollow housing, the soft touch member having a domed touch end; a connection collar assembled with an end section of the stylus stick, the connection collar and the soft touch member together defining an internal space; a support member disposed in the internal space, the support member being made of a rubber material with hardness greater than that of the soft touch member; and a rest seat assembled with the support member, the support member being spaced from the soft touch member by a gap and formed with a multi-support structure facing the soft touch member. In operation, the soft touch member can keep a proper softness without being over-deformed or collapsed.

Abstract: Systems and methods are disclosed for differentiating between stylus touches and non-stylus touches on a touchscreen device. A stylus emits a signal, received by the touchscreen device, and software selects a touch, the touch start event for which occurred near the time of the signal, and the size and location of which best fit filters, as being the touch made by the stylus. The software associates that touch with the stylus until the touch ends, or until the stylus emits a signal indicating that contact has ended. The signal may be mechanically generated audio, such as from the stylus contacting the screen, or electronic (audio, RF, IR), generated by the stylus upon detecting pressure or capacitive flux. The methods and systems allow software to perform palm rejection filtering, to track one stylus or multiple styluses, and to ignore touches triggered by dirt, rain, and other environmental causes.

Abstract: The touch pen with haptic feedback includes a first ball configured for communicating with a touch-sensitive surface, a body having a first opening configured for retaining the first ball, a second ball bearing against the first ball, the second ball being configured for controlling the movement of the first ball along the touch-sensitive surface, an inverted cradle including a plurality of arms, each of the plurality of arms having a first end and a second end, and a plurality of third balls, the third balls mounted on the second end of a corresponding one of the arms, the plurality of third balls bearing against the second ball. The plurality of third balls is configured for improving haptic feedback and accuracy when the first ball is in communication with the touch-sensitive surface.

Abstract: An apparatus and method for supporting an eraser function of a digitizer pen in a digitizer system are provided. The method includes, if it is recognized that an eraser part of the digitizer pen gets contact on a reception device, determining a pressure of the eraser part contacting on a surface of the reception device and, according to the determined pressure, changing a frequency transmitted to the reception device.

Abstract: Disclosed are devices and methods of stylus devices that when in contact with a capacitive touchscreen and a grounding element, can vary the signal level detected on a capacitive touchscreen to create a more realistic writing experience. Disclosed are elements of a touchscreen stylus, which individually or in combination, can enable a touchscreen stylus to have at least one electrical characteristic that is variable. In this way the resistive link between the touchscreen and a grounding element can be varied to enable features such as a capability to vary the width of line being drawn, to vary a region of influence on the touchscreen and/or to vary a temperament of action. The elements of a disclosed stylus can include at least one mechanical feature to provide at least one electrical characteristic that is variable and/or at least one material in an arrangement to provide at least one electrical characteristic that is variable.

Abstract: A stylus for a capacitive touch screen includes an inverting charge integrator circuit is connected to a conductive tip for providing an output signal proportional to a charge induced at the conductive tip. An inverting amplifier generates an amplified signal proportional to the signal output from the inverting charge integrator. A conductive contact provides electrical or capacitive coupling between the amplified signal and an exterior of the stylus which may provide electrical or capacitive coupling with a person holding the stylus. In other embodiments, the order of the inverting charge integrator and the inverting amplifier may be reversed. A power supply circuit powers the inverting charge integrator and the inverting amplifier. Shielding may be implemented to isolate the stylus circuitry and prevent oscillation. The provided circuitry may enable a ball point or other fine point stylus tip configurations.

Abstract: An apparatus and methods for recognizing an image with an increased image recognition rate are provided. The apparatus includes a plurality of illuminators for illuminating a surface. The apparatus also includes an image sensor for outputting an image frame obtained by converting an optical image of the surface into an electrical signal. The surface is illuminated one of the plurality of illuminators. The apparatus further includes a switch for selecting any of the plurality of illuminators for illuminating the surface. The apparatus additionally includes a controller for receiving the image frame from the image sensor, determining whether the image frame has a region of reflected light, and controlling the switch to select another of the plurality of illuminators to illuminate the surface when the image frame has the region of reflected light.

Abstract: Discussed is an input system that includes a sensor panel including plural first and second channels intersecting each other, a stylus pen including a first core and a second core divided from each other, a primary coil and a secondary coil wound on the first and second cores, an elastic member interposed between the first core and the second core, a resonant capacitor and a switch connected to the secondary coil in series, and a conductive tip connected to the primary coil, a ground unit connected to the stylus pen, an antenna loop formed at the edge area of the sensor panel, and a touch controller connected to the first and second channels and the antenna loop.

Abstract: The subject matter of this specification can be embodied in, among other things, a system that includes a tracking device to generate movement information for use in moving a user interface object on a graphical user interface. The tracking device is configured to receive at least a portion of a user's finger. The system also includes a base device configured to receive the tracking device. The base device is configured to translate movement of the base device relative to an adjacent surface for use in moving the user interface object.

Abstract: A stylus can be used with a computing device and send an identifier to the computing device. The computing device can send the identifier of the stylus to a server and the server can provide the user's profile information to the computing device. The user can interact with the computing device using the stylus and any changes made to the profile can be sent back to and stored by the server. When the user uses the stylus with a second computing device the updated profile information can be sent to the second computing device.

Abstract: In one embodiment, a method includes identifying a change in an operating characteristic of a stylus. The stylus is operable to communicate wirelessly with a device through a touch sensor of the device, and the stylus includes one or more electrodes. The method includes, in response to the change, dynamically configuring an electrode for the operating characteristic of the stylus as changed.

Abstract: Disclosed is a method of controlling a display device including displaying a digital image, detecting a first control input to rotate the digital image, generating a first tactile feedback in a first part of a touch region and a second tactile feedback in a second part of the touch region when rotation of the digital image begins, changing at least one of the first and second tactile feedbacks according to a first rate if a rotation angle of the digital image is a first angle, and changing at least one of the first and second tactile feedbacks according to a second rate if the rotation angle of the digital image is a second angle. The first rate and the second rate is a rate of the second tactile feedback in relation to the first tactile feedback, and the second rate is greater than the first rate.

Abstract: A digitizer system utilizing two location measurement techniques that operate in cooperation to improve the operation of the digitizer. The first location measurement technique provides a first, or coarse, stylus location. The second location measurement technique provides a second, or fine, stylus location.

Abstract: A system and method for using paper to interface with handwritten annotations and/or pre-defined templates with one or more computer applications is disclosed. In one embodiment, the method includes imaging content in the paper including pre-defined handwritten commands, associated syntax, one or more computer application identifiers and pointed data which is already existing on the paper, analyzing the imaged content to identify the pre-defined handwritten commands, the one or more computer applications associated with the one or more computer application identifiers, the associated syntax and the pointed data, extracting the pointed data into a specified format associated with the one or more computer applications, executing the one or more computer applications based on the identified pre-defined handwritten commands, the one or more computer application identifiers and the associated syntax, and importing the extracted pointed data into the one or more executed computer applications.

Abstract: The present invention provides a method and device for writing on a capacitive touch screen, which includes a guarding pattern and a conductive strip pattern exposed from each other, and a stylus. The conductive strip pattern includes a plurality of first conductive strips provided with a driving signal and a plurality of second conductive strips that provide mutual capacitive coupling signals, and the guarding pattern is provided with a DC signal. The stylus has a conductive pen head and a pen body. When the human body holding the pen body is not electrically coupled to the conductive pen head, the location of the conductive pen head can be determined by sufficient change in capacitive coupling caused by the conductive pen head capacitively coupling to the guarding pattern and the conductive strip pattern.

Abstract: Embodiments include an apparatus, device, system, computer-program product, and method. In an embodiment, a method is provided. The method includes receiving a request for a content of a computer-readable file. The method also includes searching the computer-readable file for the requested content, the computer-readable file including at least one representation of a hand-formed mark distributed to the computer-readable file in response to a machine-distinguishable tag associated with the hand-formed mark. The method further includes outputting the at least one representation of a hand-formed mark.

Abstract: A grip-enabled touchscreen stylus for teaching a proper writing grip comprises a stylus shaft and a stylus tip for writing on a capacitive touchscreen electronic device. Three buttons situated around the stylus shaft activate the stylus tip. The stylus has a normally-off state, in which the tip is disabled and cannot interact with a touchscreen. When a thumb, index, and middle finger of a hand correctly grip the stylus by pressing all three buttons simultaneously, an actuator within the stylus causes the tip to activate in order to interact with the touchscreen. The stylus actuator may be mechanical, electronic, or electromechanical. The stylus may be supplemented by software or logic on the touchscreen-enabled device enabling the desired user experience of requiring proper grip on the stylus for touchscreen input to be validated.

Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.

Abstract: A writing instrument for an electrostatic capacitance type touch panel is provided which includes a main body shaft having a hollow portion and made of non-conductive material, a core portion composed of a member having base material made of non-conductive material and modified with conductive material, and a brush tip including conductive material. The core portion is provided in the hollow portion, and the brush tip and the core portion are in contact with each other. The member is a conductive fiber having base material made of polyester-based synthetic fiber, acrylic synthetic fiber, or polyamide-based synthetic fiber and covered with conductive material. Further, the core portion is formed by filling a cylindrical body with the conductive fiber. This writing instrument can employ non-conductive material for the main body shaft, and capable of performing touch-panel operation stably.

Abstract: The present invention relates to a display device including a touch sensor and a driving method thereof. A display device according to an exemplary embodiment of the present invention includes a plurality of data lines which extends in a first direction, a plurality of sensing output lines which extends in a second direction which is not parallel to the first direction and transmits a sensing output signal, a pixel electrode which is connected with the data line through a switching element, a touch sensor which is connected to the data line and the sensing output line and detects a touch, and a data driver which applies a displaying data voltage to the plurality of data lines during the image display period for one frame and applies a sensing input signal during a touch sensing period for one frame. The touch sensing period is included in a vertical blank period of the frame.

Abstract: An electronic device includes a touch-sensitive display including a plurality of touch sensors configured to detect touches on the touch-sensitive display. The touch sensors include a plurality of touch sensor jumpers that are spaced apart in the touch-sensitive display. The touch-sensor jumpers include attributes to facilitate identification of a location of a stylus relative to the jumpers. The stylus includes a device configured to obtain data relating to an attribute of at least one of the touch sensor jumpers of the touch-sensitive display, a processor operably coupled to the device to receive the data, and a transmitter operably coupled to the processor and configured to transmit to the electronic device, information based on the data. The electronic device includes a receiver that receives the information and a processor that is configured to determine the location of the stylus based on the information.

Abstract: A position detector includes a tablet and a position indicator, which includes a coil and configured to continuously transmit a coil-based signal to the tablet as a position signal and to intermittently transmit the coil-based signal to the tablet as a non-positional signal. The tablet is configured to detect a position on its surface pointed to by the position indicator by detecting the continuously-transmitted coil-based signal, and to determine non-positional information regarding the position indicator (e.g., pen pressure, pen ID, etc.) by detecting the intermittently-transmitted coil-based signal.

Abstract: A capacitive stylus pen is provided that inputs an indicated position to a tablet by capacitive coupling. The capacitive stylus pen includes a signal generating circuit that generates a signal having the same frequency as a frequency of a signal to be transmitted from an electrode, a transformer that boosts the generated signal and that includes a primary winding and a secondary winding, and an analog switch for controlling connection between a first end of the secondary winding and the electrode to an on-state or an off-state. The capacitive stylus pen further includes a power extracting circuit that extracts power to be supplied to the analog switch from an electromotive force induced in the secondary winding, and a capacitor coupled to a second end of the secondary winding to set the second end at a fixed potential in an alternating-current manner.

Abstract: A system and method are disclosed in which in a conventional non-grounding man-machine interface having no reaction base on the human body and for giving the existence of a virtual object and the impact force of a collision to a person, a haptic sensation of a torque, a force and the like can be continuously presented in the same direction, which can not be presented by only the physical characteristic of a haptic sensation presentation device. In a haptic presentation device, the rotation velocity of at least one rotator in the haptic presentation device is controlled by a control device, and a vibration, a force or a torque as the physical characteristic is controlled, so that the user is made to conceive various haptic information of the vibration, force, torque or the like.

Abstract: Disclosed are a position information input system capable of coupling a signal generating device and a signal receiving device to each other. Firstly, a coupling unit is formed at a signal receiving device. Under such configuration, a signal generating device and the signal receiving device can be coupled to each other once the signal generating device is coupled to the coupling unit. This can enhance portability and a storage characteristic of the position information input system. Secondly, a contact power switch is installed in the coupling unit. Under such configuration, if a user separates the signal generating device from the signal receiving device for input of position information, the contact power switch is automatically turned on. As a result, the signal receiving device is automatically turned on. On the contrary, if a user, who has completed the input of position information, couples the signal generating device to the signal receiving device, the contact power switch is automatically turned off.