Coordinate indicating apparatus and method for driving thereof 좌표 측정 장치 및 이의 구동 방법

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A coordinate indicating apparatus includes a channel electrode which includes a first plurality of electrodes arranged in a first direction and a second plurality of electrodes arranged in a second direction perpendicular to the first direction, and which has capacitance between the first plurality of electrodes and the second plurality of electrodes, the capacitance being changed by an approaching contact object; a driver configured to apply driving signals to the first plurality of electrodes simultaneously; a receiver configured to receive response signals from the second plurality of electrodes; and a controller configured to determine a location of the contact object based on the driving signals transmitted to the first plurality of electrodes and the response signals received from the second plurality of electrodes, wherein the driver is configured to simultaneously apply, to the first plurality of electrodes, continuous driving signals according to a matrix corresponding to a Hadamard matrix, and wherein the driving signals exclude a time section
Assignee
KAIST, SAMSUNG ELECTRONICS CO., LTD.
Country
US (United States)
Application Date
2015-09-04
Application Number
14845389
Registration Date
2019-01-29
Registration Number
10191598
URI
http://hdl.handle.net/10203/261646
Appears in Collection
EE-Patent(특허)
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