Display device detecting touch on display unit
AssigneeKonica Minolta, Inc.
InventorsMitsutaka MORITA, Yoichi KURUMASA, Yoshiyuki TAMAI, Mie KAWABATA, Ryosuke NISHIMURA
Life of this patent
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Abstract
An MFP (Multi Function Peripheral) serving as a display device detects a touch on the touch panel and then sets a wait time in accordance with the position of the touch on the touch panel. If another touch is detected before the wait time has passed since the touch on the touch panel is detected, the MFP determines that the detected two touches are multi-touch. If the wait time has passed without detecting another touch since the touch on the touch panel is detected, the MFP determines that the detected touch is single touch.
Claims16
A display device comprising:
- a first touch detection unit that detects a touch on a display unit;
- a setting unit that sets a wait time in accordance with a position of the touch detected by the first touch detection unit;
- a second touch detection unit that detects a touch on the display unit after the first touch detection unit detects a touch;
- a multi-touch determination unit that determines that, if the second touch detection unit detects a touch before the wait time has passed since the first touch detection unit detects a touch, the touches detected by the first and second touch detection units are multi-touch;
- and
- a single-touch determination unit that, if the wait time has passed without the second touch detection unit detecting a touch since the first touch detection unit detects a touch, determines that the touch detected by the first touch detection unit is single touch.
A method of controlling a display device, comprising:
- detecting a first touch on a display unit;
- setting a wait time in accordance with a position of the detected first touch;
- detecting a second touch on the display unit after detecting the first touch;
- determining that the detected first and second touches are multi-touch if the second touch is detected before the wait time has passed since the first touch is detected;
- and
- determining that the detected first touch is single touch if the wait time has passed without detecting the second touch since the first touch is detected.
A non-transitory computer-readable recording medium encoded with a control program for a display device, the control program causing a computer to execute processing comprising:
- detecting a first touch on a display unit;
- setting a wait time in accordance with a position of the detected first touch;
- detecting a second touch on the display unit after detecting the first touch;
- determining that the detected first and second touches are multi-touch if the second touch is detected before the wait time has passed since the first touch is detected;
- and
- determining that the detected first touch is single touch if the wait time has passed without detecting the second touch since the first touch is detected.
Dependencies are inferred from the claim text.