Abstract: An embodiment of the present invention makes it possible to carry out stable inspection on performance of a touch panel. An inspection device for inspecting a touch panel on a basis of a resistance value of a transparent film of the touch panel, which includes at least the transparent film, a dielectric member, and a sensor stacked on top of each other, includes: an integrating circuit configured to obtain a background capacitance of the touch panel by applying a first pulsed voltage to the sensor; and a switch configured to connect the transparent film to a ground or to a generator configured to generate a second pulsed voltage which is opposite in phase to the first pulsed voltage.

Abstract: An embodiment of the present invention makes it possible to carry out stable inspection on performance of a touch panel. An inspection device for inspecting a touch panel on a basis of a resistance value of a transparent film of the touch panel, which includes at least the transparent film, a dielectric member, and a sensor stacked on top of each other, includes: an integrating circuit configured to obtain a background capacitance of the touch panel by applying a first pulsed voltage to the sensor; and a switch configured to connect the transparent film to a ground or to a generator configured to generate a second pulsed voltage which is opposite in phase to the first pulsed voltage.

Abstract: A pen-input surface material has a surface on which an input is to be performed with a pen. The surface has ten-point average roughness (Rzjis) ranging from 0.1 ?m to 6 ?m inclusive, an average space between asperities (RSm) ranging from 30 ?m to 500 ?m inclusive, and skewness (Rsk) of zero or higher.

Abstract: A display device includes: a display unit having a rectangular display area; a touch panel on the display unit; and a processor configured to perform the following: causing a character image to be displayed in a determination area located in a corner of the display area such that the character image contacts two sides of the determination area that border an exterior of the display area; determining whether a hand gripping the touch pen is a left hand or a right hand in accordance with input locations of the touch pen on the character image and a display location of the character image; detecting a shift amount in accordance with the input locations of the touch pen on the character image and the display location of the character image; and correcting an input location of the touch pen in the display area in accordance with the detected shift amount.

Abstract: A display device with a lock function includes a touch panel; a display panel control unit that drives the display panel; a touch panel control unit that controls the touch panel; a lock setting unit that, at a prescribed timing, makes the display panel control unit display a lock screen showing an unlock image and activates the lock function; and an unlock unit that deactivates the lock function when a specific touch operation with respect to the unlock image is received; a coordinate setting unit that sets, when the lock function is deactivated, coordinate data that represents the coordinate range of the touch panel in accordance with the specific touch operation and the display location of the unlock image; and a correction unit that, after the lock function is deactivated, corrects the input location of an touch operation performed on the touch panel in accordance with the coordinate data.

Abstract: The invention is capable of displaying to an operator a guidance for performing an accurate operation in accordance with a state of a copying machine, and at the same time the invention does not require a huge volume memory and a processor for analyzing data in the portable terminal device with the result that the cost can be reduced and the device of the invention can be reduced in size. The portable terminal device is provided for the display and input reception of the maintenance control data in such a manner the portable terminal device can be connected to the copying machine. The maintenance control data is transmitted and received to and from the host computer and the portable terminal device via the copying machine.