Abstract: A pen input device sheet for a position detection region of a position detecting sensor, which includes an elastic material layer that has elasticity and is composed of layer portions stacked in a thickness direction of the pen input device sheet. A side opposite of a side of the position detecting sensor in the elastic material layer is a writing input surface to which writing input with an electronic pen is made. The pen input device sheet is configured such that a vibration frequency characteristic of a kinetic friction coefficient when the electronic pen is moved at a predetermined speed on the writing input surface of the pen input device sheet matches the vibration frequency characteristic of the kinetic friction coefficient when a predetermined writing material is moved at the predetermined speed on a predetermined writing medium. A material having elasticity in the elastic material layer is polyurethane resin.

Abstract: Provided is a pen state detection circuit for detecting a state of an electronic pen based on a signal distribution detected by a touch sensor including a plurality of sensor electrodes arranged in a plane shape, the electronic pen including at least one electrode, the pen state detection circuit, in operation, acquires, from the touch sensor, a first signal distribution and a second signal distribution, generates a two-dimensional signal distribution by synthesizing the first signal distribution and second signal distribution, or generates a two-dimensional feature distribution by synthesizing a first feature distribution relating to a shape of the first signal distribution and a second feature distribution relating to a shape of the second signal distribution, and estimate a position indicated by the electronic pen or a posture of the electronic pen from the two-dimensional signal distribution or two-dimensional feature distribution.

Abstract: Provided is a display system including a position indicating device and an information processing apparatus having a display screen and a sensor that detects a position indicated by the position indicating device. The position indicating device includes a casing, an interaction circuit disposed inside the casing, where the interaction circuit exchanges a signal with the sensor, and a securing member that secures the casing to the display screen. The information processing apparatus includes a position detection circuit that detects the position indicated by the position indicating device that is secured to the display screen through the securing member, based on the signal exchanged by the interaction circuit, and a control circuit that performs control to display a given display image on the display screen with the position indicated by the position indicating device and detected by the position detection circuit used as a reference.

Abstract: A sensor apparatus includes: a linear electrode group extended in parallel; a loop coil group crossing the linear electrode group; and a sensor controller. The sensor controller is configured to sequentially send alternating magnetic fields from the linear electrode group, use the loop coil group to detect an alternating magnetic field generated by an indicator according to the alternating magnetic fields, determine a linear electrode set including part of the linear electrode group based on a result of detecting the a alternating magnetic field, execute a process of generating alternating magnetic fields in at least a part of the linear electrode set for a plurality of times, use a plurality of result values detected by at least the part of the loop coil group as a result of the execution to derive a two-dimensional position of the indicator, and update the linear electrode set according to the two-dimensional position.

Abstract: A terminal device includes a display device and a position detection sensor configured to detect a position indicated by an electronic pen on the display screen. The position detection sensor includes: a plurality of first electrodes spaced apart along a first direction on a first surface of an insulating layer, and one or more first linear members extended in a direction along the first electrodes and arranged in each space between two of the first electrodes having a predetermined distance from each other in the first direction, among the plurality of first electrodes, on the first surface of the insulating layer. Each of the plurality of first electrodes of the position detection sensor, upon receiving an electric current, generates a magnetic field.

Abstract: An input-output system includes multiple guest devices and a host device. Each guest device displays an image in a guest display region of the guest device. The host device displays at least two images in a host display region of a host device, and communicates with each of the guest devices. The host device acquires a first indicated position in the host display region of the host device and transmits, to each of the guest devices, a relative coordinate value that is obtained by normalizing a first coordinate value representing the first indicated position in the host display region of the host device. Each guest device calculates a second coordinate value representing a second indicated position in the guest display region of the guest device, using display region information relating to the guest display region of the guest device to convert the relative coordinate value received from the host device.

Abstract: An electronic pen includes a circuit board, a housing, a board protection member, a side attachment member, and an engagement part. The circuit board includes a plurality of push switches. The circuit board is mounted in the housing at a predetermined position. The housing includes a housing opening provided in a range in which the plurality of push switches of the circuit board is provided. The board protection member is provided in the housing. The side attachment member is attached to the housing opening and having a plurality of plate openings corresponding to the plurality of push switches. The engagement part protrudes from at least one side of the side attachment member. The board protection member is provided between the circuit board and the side attachment member.

Abstract: An active pen includes a pen-tip electrode, a controller, and a wireless communication device. The controller is configured to control the pen-tip electrode to transmit, from the pen-tip electrode, a first signal when the active pen is in a contact state relative to a touch surface and to transmit, from the pen-tip electrode, a second signal different from the first signal when the active pen is in a second state different from the contact state. The wireless communication device is configured to wirelessly transmit a wireless signal indicative of pen pressure data to an external sensor controller. The wireless signal is wirelessly transmitted from the wireless communication device regardless of the active pen being in the contact state or in the second state.

Abstract: To be able to transmit data from an electromagnetic resonance stylus to a position detecting device while the position detecting device is energizing its loop coils. An electromagnetic resonance stylus according to the present disclosure includes a resonant circuit including a coil and a capacitor, a switch element connected parallel to the capacitor, and a processing circuit for transmitting data to a position detecting device by performing on/off control on the switch element based on the data to be transmitted to the position detecting device.

Abstract: Provided is an information processing device including a processor, and a memory storing instructions that, when executed by the processor, cause the information processing device to: accept a cancel operation that cancels a first operation performed through an input device used for writing input, acquire learning information representing a result of learning about a relation between content of the first operation and content of a second operation performed through the input device after the cancel operation is accepted, and correct writing information representing a writing product corresponding to a third operation performed through the input device or writing setting information concerning a setting at a time of writing corresponding to the third operation, based on the learning information.

Abstract: A characteristic adjustment system of pressure detection output. The characteristic adjustment system includes an input tool that performs an input operation by being brought into contact with an input surface and that includes a pressure detector that detects a pressure applied to a portion of the input tool in contact with the input surface, a detection device that generates pressure detection output by acquiring information regarding the pressure detected by the pressure detector of the input tool, a load measurement device that measures a load applied to the input tool, and an adjustment device that adjusts the pressure detection output from the detection device such that the pressure detection output has characteristics in a predetermined relation to a load measurement result from the load measurement device.

Abstract: A stylus detecting system includes a sense array including N number of first lines and M number of second lines crossing the N number of first lines; and a touch controller connected to the sense array and configured to: (i) in a touch object detecting mode, drive the N number of first lines as transmission (TX) lines with a finger sensing TX signal and measure reception (RX) signals on the M number of second lines as RX lines, and (ii) in a stylus detecting mode, measure a stylus TX signal transmitted by a stylus, on both the N number of first lines and the M number of second lines, using # number of multiple RX channels (#RX channels) to sense more than one line of the N number of first lines and the M number of second lines at the same time, such that a stylus scanning time is reduced as compared to using a single RX channel to scan all lines, thereby completing a stylus scan in fewer total scans.

Abstract: An artwork managing method performed by one or more computers includes: receiving, by a first computer, a registration request to register second artwork, which is produced by a second artist based on first artwork produced by a first artist; and generating, by the first computer, a first decentralized identity (DID) document describing the second artwork. The first DID document includes: a first DID identifying the first artist; and a second DID identifying the second artist.

Abstract: Provided is a controller including a housing and a position indicator that is provided at a front end of the housing and indicates a position in a space. The housing includes a marker provided along a circumferential direction on a side surface of the housing, the marker including a code for detecting a rotation angle about a housing shaft of the housing.

Abstract: Provided is a calibration method performed by a computer, the method including, by the computer, calculating, on the basis of a position and an attitude of a coordinate transformation tool included in an image captured of the coordinate transformation tool located on a surface of an apparatus including a digitizer, a transformation rule for performing coordinate transformation processing that transforms first coordinates specifying a position, on the surface, indicated by a stylus into second coordinates specifying a position in an extended reality space.

Abstract: A sensor for detecting a pen signal transmitted from a pen, including: a touch sensor having first electrodes extending in a first direction and second electrodes extending in a second direction perpendicular to the first direction, which form a rectangular-shape position detection area and are configured to respectively receive the pen signal; first routing traces which connect some of the first electrodes to first flexible printed circuit (FPC) connector terminals that are arranged outside of the position detection area, the first routing traces extending toward one end of the first direction; and second routing traces which connect others of the first electrodes to second FPC connector terminals that are arranged outside of the position detection area, the second routing traces extending toward another end of the first direction, such that the first routing traces and the second routing traces extend in opposite directions from the first electrodes along the first direction.

Abstract: An integrated circuit that controls transmission of uplink signals from a sensor controller. The integrated circuit includes a processor and a memory storing instructions that, when executed by the processor, cause the integrated circuit to: alternately transmit the uplink signals from the sensor controller. A first uplink signal indicates first identifiers assigned by the sensor controller to a first group of active pens that is paired with the sensor controller and pairing state information indicative of a pairing state of the first group of active pens with the sensor controller. A second uplink signal indicates second identifiers assigned by the sensor controller to a second group of active pens that is not paired with the sensor controller and pairing state information indicative of a pairing state of the second group of active pens with the sensor controller.

Abstract: An information processing apparatus includes a display element, a first motion sensor, a second motion, and a process control circuit. The display element includes a display screen having a first region and a second region different from the first region. The first motion sensor is disposed on a side of the first region. The second motion sensor is disposed on a side of the second region. The process control circuit computes, based on a first motion detected by the first motion sensor and a second motion detected by the second motion sensor, a relative motion between the first region and the second region, and performs a predetermined function based on the relative motion computed.

Abstract: A system and method for synchronizing a stylus to a capacitive sense array. The system including a capacitive sense array which includes a plurality of electrodes. A magnetic field is generated using the plurality of electrodes. The magnetic field is used to synchronize the operation of the stylus and the capacitive sense array.