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    METHOD, COMPUTER, AND PROGRAM FOR ARTWORK MANAGEMENT
    1.
    发明公开
    METHOD, COMPUTER, AND PROGRAM FOR ARTWORK MANAGEMENT 审中-公开

    公开(公告)号：US20240362645A1

    公开(公告)日：2024-10-31

    申请号：US18767773

    申请日：2024-07-09

    申请人： Wacom Co., Ltd.

    发明人： Lachezar Sashov DODOV ,  Andreas LUDWIG

    IPC分类号： G06Q20/40 ,  G06Q20/38 ,  G06Q50/18

    CPC分类号： G06Q20/4016 ,  G06Q20/389 ,  G06Q50/184

    摘要： An artwork management method executed by one or more computers is provided. The artwork management method includes detecting, by a first computer included in the one or more computers, artwork included in a website, determining, by the first computer, whether or not a purchase transaction indicating purchase of the artwork detected is recorded in a blockchain network, and transmitting, by the first computer, a report indicating discovery of unauthorized use of the artwork, in a case where the first computer determines that the purchase transaction is not recorded. According to one aspect, the artwork management method suppresses illegal use of artwork while maintaining accessibility of the artwork.

    Active stylus
    2.
    发明授权
    Active stylus 有权

    公开(公告)号：US12124642B2

    公开(公告)日：2024-10-22

    申请号：US17486527

    申请日：2021-09-27

    申请人： Wacom Co., Ltd.

    发明人： Hideyuki Hara ,  Nobutaka Ide ,  Yasuo Oda

    IPC分类号： G06F3/038 ,  G06F3/0354 ,  G06F3/041 ,  G06F3/044

    CPC分类号： G06F3/0383 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/04162 ,  G06F3/044 ,  G06F3/0441 ,  G06F3/0442

    摘要： An active stylus includes at least one electrode, and an integrated circuit coupled to the at least one electrode. The integrated circuit is configured to: operate in a first mode to unilaterally transmit signals to a sensor controller from one of the at least one electrode; determine whether a pen tip of the active stylus is in contact with a sensor panel; responsive to determining that the pen tip is in contact with the sensor panel, transmit a pen pressure value of the pen tip; and responsive to determining that the pen tip is not in contact with the sensor panel, instead of transmitting the pen pressure value, detect an uplink signal transmitted from the sensor panel.

    Pen state detection circuit, method, and device, and parameter supply device
    3.
    发明授权
    Pen state detection circuit, method, and device, and parameter supply device 有权

    公开(公告)号：US12118168B2

    公开(公告)日：2024-10-15

    申请号：US17876963

    申请日：2022-07-29

    申请人： Wacom Co., Ltd.

    发明人： Koichi Maeyama ,  Hideyuki Hara

    IPC分类号： G06F3/041 ,  G06F3/044

    CPC分类号： G06F3/0442 ,  G06F3/0416 ,  G06F3/0441

    摘要： A pen state detection circuit is incorporated in electronic equipment having a touch sensor of a capacitive system made of planarly disposed multiple sensor electrodes. The pen state detection circuit is configured to perform acquiring, from the touch sensor, signal distribution indicating a change in capacitance associated with approach of a pen-side electrode included in an electronic pen, and estimating a state of the electronic pen according to an input-output model. In the input-output model features relating to the acquired signal distribution are input and a state quantity of the electronic pen is output. The pen state detection circuit is configured to be capable of setting an input-output model that is different depending on a change in an outer shape of the electronic pen or the electronic equipment.

    Timing synchronization of active stylus and touch sensor
    4.
    发明授权
    Timing synchronization of active stylus and touch sensor 有权

    公开(公告)号：US12118157B2

    公开(公告)日：2024-10-15

    申请号：US18067291

    申请日：2022-12-16

    申请人： Wacom Co., Ltd.

    发明人： Vemund Bakken ,  Eivind Holsen

    IPC分类号： G06F3/0354 ,  G06F3/041 ,  G06F3/044

    CPC分类号： G06F3/03545 ,  G06F3/0416 ,  G06F3/04162 ,  G06F3/04166 ,  G06F3/044 ,  G06F3/0441 ,  G06F3/0442 ,  G06F2203/04108

    摘要： In one embodiment, a stylus includes one or more electrodes included in a tip, and a computer-readable non-transitory storage medium embodying logic that is configured when executed to receive, by the one or more electrodes and an analog front end, signals transmitted from a touch sensor coupled to a touch-sensor controller, and convert the signals into sequences of digital signals. The logic is further configured when executed to feed the sequences of digital signals received in different periods into a memory; correlate each of the sequences of digital signals with a digital data defined by a wide-band code to generate multiple correlations; and transmit a transmission signal to the touch-sensor controller according to a synchronization timing determined based at least in part on one or more of the multiple correlations.

    PEN STATE DETECTION CIRCUIT AND METHOD, AND INPUT SYSTEM
    8.
    发明公开
    PEN STATE DETECTION CIRCUIT AND METHOD, AND INPUT SYSTEM 审中-公开

    公开(公告)号：US20240310933A1

    公开(公告)日：2024-09-19

    申请号：US18670498

    申请日：2024-05-21

    申请人： Wacom Co., Ltd.

    发明人： Koichi MAEYAMA

    IPC分类号： G06F3/0354

    CPC分类号： G06F3/03545

    摘要： 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.