Title:
表示パネル用コントローラ、表示装置、及びアクティブスタイラス
Document Type and Number:
Japanese Patent JP6659622
Kind Code:
B2
Abstract:
A method in which a sensor controller is connected to a sensor having an electrode group provided together with a display panel configured to operate in during a variable refresh cycle among a plurality of refresh cycles, and an active stylus performs bidirectional communication with the sensor controller. According to the method, the sensor controller acquires a present refresh cycle among the plurality of refresh cycles of the display panel, generates an uplink signal, which serves as a reference for synchronization corresponding to the acquired present refresh cycle, and transmits the uplink signal to the active stylus, which is not detected as yet or is detected already, at the present refresh cycle.
Inventors:
Takeshi Koike
Hideyuki Hara
Hideyuki Hara
Application Number:
JP2017121833A
Publication Date:
March 04, 2020
Filing Date:
June 22, 2017
Export Citation:
Assignee:
Wacom Co., Ltd.
International Classes:
G06F3/041; G06F3/03; G06F3/044
Domestic Patent References:
| JP2014063517A | ||||
| JP11249813A |
Foreign References:
| US20130207626 | ||||
| WO2014156066A1 |
Attorney, Agent or Firm:
Yasuyuki Kurose