Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2007-12-25
2007-12-25
Awad, Amr A. (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
Reexamination Certificate
active
10648289
ABSTRACT:
There is provided a display unit including a touch panel disposed on a display screen of a display panel to detect a touch position of a pointing device, operation being conducted by touching a touch operation member displayed on the screen. The display unit includes a sensor for sensing a pushing pressure caused when touching the touch operation member, and a control section for conducting first processing concerning the touch operation member pushed by the pointing device when the pressure sensed by the sensing unit satisfies a first predetermined pressure condition, and conducting second processing concerning the touch operation member, when the pushing pressure has changed from the first condition to a second one. Upon the change from the first condition to the second one, a function of moving the screen in a direction of pushing pressure caused by the pointer is executed by the second processing.
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“Touch Engine: A Tactile Display for Handheld Devices”, by Ivan Poupyrev et al., CHI 2002, Apr. 20-25, 2002, pp. 644-655.
“Active Click: Tactile Feedback for Touch Panels”, by Masaaki Fukumoto et al., CHI 2001, Mar. 31-Apr. 5, 2001, pp. 121-122.
Hoshino Takeshi
Minemoto Takeshi
Tsukada Yujin
Awad Amr A.
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Sherman Stephen
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