Title:
タッチ入力システム及びこれを用いたタッチ検出方法
Document Type and Number:
Japanese Patent JP5868383
Kind Code:
B2
Abstract:
A touch input system and a touch detection method using the same are disclosed. With the disclosed touch input system, the size and manufacturing costs of the stylus are reduced while finger touch and touch of stylus without a battery are distinguished and detected. The touch input system includes a sensor panel including a plurality of first channels and a plurality of second channels, crossing each other, a stylus including one or a plurality of primary coils connected in series to each other, a resonance capacitor connected in parallel to the primary coil, and a conductive tip connected to the primary coil, a ground connected to the stylus, an antenna loop formed outside an edge of the sensor panel, and a touch controller connected to the first channel, the second channel, and the antenna loop.
Inventors:
Gold river
Application Number:
JP2013259277A
Publication Date:
February 24, 2016
Filing Date:
December 16, 2013
Export Citation:
Assignee:
LG Display Company Limited
International Classes:
G06F3/041; G06F3/046
Domestic Patent References:
| JP2008152640A | ||||
| JP2008529414A | ||||
| JP2010086542A |
Attorney, Agent or Firm:
Sonoda/Kobayashi Patent Business Corporation