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1. 发明公开

EP3182259A1 TOUCH PANEL, SIGNAL PROCESSING DEVICE, AND COUPLING METHOD 有权
标题翻译： BERÜHRUNGSBILDSCHIRM，SIGNALVERARBEITUNGSVORRICHTUNG UND KOPPLUNGSVERFAHREN
公开(公告)号：EP3182259A1
公开(公告)日：2017-06-21
申请号：EP16202798
申请日：2016-12-08
申请人： WACOM CO LTD
发明人： HARA HIDEYUKI , YAMAMOTO SADAO , YAMADA SUSUMU
IPC分类号： G06F3/044 , G06F3/0354 , G06F3/041
CPC分类号： G06F3/0416 , G06F3/03545 , G06F3/044
摘要： A touch panel has a plurality of conductors arranged for a position detection area and can detect a position pointed to by an active stylus held by a user and a manual touch by the user holding the active stylus. The touch panel includes: a signal transmission circuit that transmits, by capacitive coupling, a signal to the active stylus that can receive the signal transmitted from the touch panel by capacitive coupling with the touch panel; an active stylus pointing position detection circuit that detects the position pointed to by the active stylus by capacitive coupling with the active stylus; a touch detection circuit that detects the manual touch by the user; and a coupling control circuit that performs coupling control to couple one or more of the plurality of conductors and a ground of the touch panel in accordance with a touch detection result of the touch detection circuit.
摘要翻译：触摸面板具有布置用于位置检测区域的多个导体，并且可以检测由用户持有的有源触控笔指向的位置和持有有源触控笔的用户的手动触摸。触摸面板包括：信号传输电路，通过电容耦合将信号传输至有源触笔，该信号可以通过与触摸面板的电容耦合来接收从触摸面板传输的信号; 主动式触控笔指向位置检测电路，其通过与主动式触控笔的电容耦合来检测主动式触控笔指向的位置; 触摸检测电路，检测用户的手动触摸; 以及耦合控制电路，其根据触摸检测电路的触摸检测结果执行耦合控制以将多个导体中的一个或多个与触摸面板的接地耦合。

2. 发明公开

EP3223118A4 POSITION INDICATOR 有权
公开(公告)号：EP3223118A4
公开(公告)日：2017-10-11
申请号：EP14906168
申请日：2014-11-17
申请人： WACOM CO LTD
发明人： YAMAMOTO SADAO
IPC分类号： G06F3/03 , G06F3/0354 , G06F3/041 , G06F3/044
CPC分类号： G06F3/044 , G06F3/03545 , G06F3/038 , G06F3/0383 , G06F3/0416 , G06F3/046 , G06F2203/0384
摘要： It is made possible to utilize a single common position indicator for a plurality of types of position detection systems. The position indicator includes a first transmission unit, a second transmission unit, an inputting unit configured to accept an input from the outside, means for generating a position detecting signal, a plurality of additional information generation means for generating additional information whose types are different from each other, and control means. The control means controls, based on the input accepted by the inputting unit, sending out of the position detecting signal through the first transmission unit and controls, based on the input accepted by the inputting unit, sending out of the additional information from the plurality of additional information generation means from the first transmission unit or the second transmission unit.

3. 发明公开

EP3286745A1 SYSTEM AND METHOD FOR BIDIRECTIONAL COMMUNICATION BETWEEN STYLUS AND STYLUS SENSOR CONTROLLER 有权
公开(公告)号：EP3286745A1
公开(公告)日：2018-02-28
申请号：EP16783617
申请日：2016-04-13
申请人： WACOM CO LTD
发明人： FLECK DAVID CHARLES , YAMAMOTO SADAO
IPC分类号： G08C21/00
CPC分类号： G06F3/03545 , G06F3/0346 , G06F3/0383 , G06F3/0414 , G06F3/0416 , G06F3/044
摘要： A method is provided to interface an active stylus with a sensor controller, wherein the sensor controller is coupled to a sensor configured to receive input from the active stylus. In the method the sensor controller caches stylus capability information of the active stylus. The stylus capability information includes setting information for inking used by an application program executed to display input from the active stylus on the sensor. The active stylus generates a hash value of the stylus capability information and transmits the hash value to the sensor controller when the active stylus enters a sensing zone of the sensor controller.

4. 发明公开

EP3258352A4 COMMUNICATION METHOD, COMMUNICATION SYSTEM, SENSOR CONTROLLER, AND STYLUS 有权
公开(公告)号：EP3258352A4
公开(公告)日：2018-03-21
申请号：EP15882067
申请日：2015-12-25
申请人： WACOM CO LTD
发明人： YAMAMOTO SADAO
IPC分类号： G06F3/041 , G06F3/0354 , G06F3/038 , G06F3/044
CPC分类号： G06F3/0383 , G06F3/03545 , G06F3/038 , G06F3/041 , G06F3/0416 , G06F3/044 , G06F2203/0381 , G06F2203/0382
摘要： To make it possible to suitably use both a first stylus ready for a first communication method and a second stylus ready for a second communication method together with a sensor controller. A communication method according to a first aspect of the present invention includes a step by a sensor controller of executing a dual mode discovery (SD_DUAL) in which a first discovery (SD_STD) in which a search signal for detecting a first stylus is sent out and a second discovery (SD_PRP) in which a second stylus is detected are repeated alternately, a step by the sensor controller of determining, when the first stylus is detected, an own action mode to a first mode, and a step by the sensor controller of determining, when the second stylus is detected, the own action mode to a second mode.

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