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2results about How to "Prevent misidentification" patented technology

Touch display devices and sensing methods with active pens

ActiveCN115877968Bprevent misidentificationInput/output processes for data processingActive penTouch Senses
This invention proposes a touch display device for use with an active pen. During touch sensing, the touch position is detected. During active pen sensing, an uplink signal is transmitted and a downlink signal is detected. When a downlink signal is detected, it is determined whether the distance between the active pen position and the touch position is less than or equal to a first preset distance; if so, the device does not enter active pen mode.
Owner:HIMAX TECH LTD