Touch panel

Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel

Reexamination Certificate

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Reexamination Certificate

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10607495

ABSTRACT:
A touch panel of the present invention in which a piezoelectric substrate is fixed to a movable plate or a supporting substrate has a reduced weight, size, and thickness by providing simpler wiring. The touch panel comprises: a movable plate having an input manipulation surface; a supporting substrate, disposed with a slight insulation gap from the movable plate, for supporting the movable plate from a back surface thereof; conductive layers on the movable plate and the supporting substrate on their respective opposing surfaces; and a piezoelectric substrate fixed to the movable plate or the supporting substrate. A pair of driving electrodes on the piezoelectric substrate are fixed to respective opposing surfaces of the piezoelectric substrate. A conductive layer electrode of the movable plate, a conductive layer electrode of the supporting substrate, and the pair of driving electrodes of the piezoelectric substrate are withdrawn integrally using a single connector tail.

REFERENCES:
patent: 6091406 (2000-07-01), Kambara et al.
patent: 6118435 (2000-09-01), Fujita et al.
patent: 6304251 (2001-10-01), Ito et al.
patent: 6522322 (2003-02-01), Maeda et al.
patent: 6608618 (2003-08-01), Wood et al.
patent: 2001/0015597 (2001-08-01), Matsui et al.
patent: 2001/0024076 (2001-09-01), Wajima et al.
patent: 2003/0067449 (2003-04-01), Yoshikawa et al.
patent: 2003-122507 (2003-04-01), None

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