Sharp Kabushiki Kaisha Corporation

Koichi Sugiyama

Nobuyuki Yoshioka

Kuniaki Matsui

Sachio Tanaka

Ramadhan Ismail

Taikoh Akashi

Shinya Higashi

A display device includes a first position detection pressing circuit that detects a first position of the input operation at the first sensor, a second position detection pressing circuit that detects a second position of the input operation at the second sensor, and an input position detection pressing circuit that detects the input position with respect to the display panel based on the first position detected by the first position detection pressing circuit and the second position detected by the second position detection pressing circuit.

Input detection apparatus, input detection method, and recording medium storing input detection program for detecting input position with respect to a display panel

A display device includes: a capacitance detection processing unit that detects a change in electrostatic capacitance of a display panel due to an input operation; an image acquisition processing unit that acquires a captured image from an imager that captures an image of the inputter performing the input operation; and a position detection processing unit that detects the input position on the display panel, based on a change in the electrostatic capacitance, which is detected by the capacitance detection processing unit, and the captured image, which is acquired by the image acquisition processing unit.

Input detection device, input detection method, and recording medium recording an input detection program for accurately detecting an input position of an input operation on a display panel

This display device includes: a grouping processing unit that groups a plurality of drive lines into a plurality of groups each having a set grouped number of adjacent drive lines; a setting processing unit that sets a display magnification of a display screen according to the grouped number; a display processing unit that causes a display panel to display the display screen in the display magnification; and a determination processing unit that determines, in a state where the display screen is displayed on the display panel in the display magnification, a position of a touch operation on the display screen that is displayed in the display magnification based on an output signal that is output from a plurality of sense lines in response to an input signal that is input to each of the grouped number of drive lines.

Touch operation detection device and touch operation detection method for improving operability of a touch operation on a display panel

This display device includes: a drive processing unit inputs an input signal with respect to a plurality of drive lines; an output detection processing unit that detects an output signal that is output from a plurality of sense lines; a grouping processing unit that groups the plurality of drive lines into a plurality of groups each having a set grouped number of adjacent drive lines; and a touch operation detection processing unit that detects a touch operation made with respect to a touch panel based on a linear element sequence calculated by a matrix operation of an input sequence and an output sequence. The drive processing unit inputs the input signal having the same pattern to each of the grouped number of drive lines that have been grouped by the grouping processing unit.

Touch operation detection device and touch operation detection method

An input detection device includes an input processor inputting a drive signal to an electrode group including a number of electrodes that are arranged adjacent to each other among a plurality of electrodes, and a detection processor detecting an input position based on a detection signal corresponding to the drive signal input to the electrode group. The input processor inputs a first drive signal to a first electrode group including electrodes at a first timing and inputs, at a second timing following the first timing, a second drive signal to a second electrode group including a number of the electrodes included in the first electrode group and at least one electrode positioned adjacent to the first electrode group. The detection processor detects the input position based on a first detection signal corresponding to the first drive signal and a second detection signal corresponding to the second drive signal.

Input detection device, input detection method, and recording medium recording input detection program

An input apparatus includes: an operation position determination device that determines an operation position of a gesture operation by a user; a movement vector calculator that calculates a movement vector at an input position on the basis of a movement amount of the operation position when the operation position moves; an input processor that executes first input processing at the input position at the time when a first gesture operation is detected, and executes second input processing at the input position at the time when a second gesture operation is detected; and a movement vector corrector that corrects the movement vector in the case where a change from the first gesture operation to the second gesture operation is determined.

Input apparatus, input method, and recording medium recording input program

An electronic apparatus includes a first communicator that performs communication with a computer body based on a first communications standard, a second communicator that performs communication with the computer body based on a second communications standard, a determination processor that classifies and determines a category of an operating system based on a first communications parameter acquired from the first communicator, a setting processor that sets an operation mode corresponding to the category of the operating system as determined by the determination processor, and a controller that controls, based on the communication with the computer body performed by the second communicator, a specified function according to the operation mode set by the setting processor.

Electronic apparatus, control method, and recording medium with program recorded thereon

A touch panel input device includes a plurality of first electrode lines, a plurality of second electrode lines, a drive circuit, a reception circuit, a touch detector, a ground state switching circuit, and a controller. The controller executes drive control for causing the drive circuit to sequentially input a drive signal to electrode lines in a non-ground state among each of the plurality of first electrode lines, in a state of controlling the ground state switching circuit to set a part of electrode lines among each of the plurality of first electrode lines and/or the plurality of second electrode lines to the non-ground state, and set the other electrode lines to a ground state.

Touch panel input device

A touch panel input device includes a plurality of first electrode lines, a plurality of second electrode lines, a first drive circuit, a second drive circuit, a drive controller, a reception circuit, and a touch detector. The first drive circuit inputs a first drive signal to odd-numbered first electrode lines which are odd-numbered electrode lines among each of the plurality of first electrode lines from a first end portion side. The second drive circuit inputs a second drive signal to even-numbered first electrode lines which are even-numbered electrode lines among each of the plurality of first electrode lines from a second end side. The touch detector detects a touch on the touch surface based on a change in an output signal detected by the reception circuit.

A touch input system includes: a coordinate detector that detects a position coordinate of a touch with a pen on a board; a pen identifying part that identifies an attribute regarding the pen; a first pen-state determiner that determines whether the pen is in a state where the coordinate detector is able to detect the position coordinate; a second pen-state determiner that determines whether the pen is in a state where the pen identifying part is able to identify the attribute; and a notifier that notifies predetermined information based on determination results of the first pen-state determiner and the second pen-state determiner.

Touch input system

Provided is an optical sensing member, comprising a light guide platewhich propagates light from a light source unit, detecting unitswhich detect scattered light from the light guide platebeing touched, an optical member which guides the scattered light to the detecting units, and a primary control unitwhich computes the touch location upon the light guide plateon the basis of information relating to the detected light. The optical member has arc-shaped curved surfaces formed on the end parts which face each of the detecting units. Each of the detecting units outputs, as the information relating to the light which is detected by the detecting units, location information corresponding to the angle of entry to the detecting units of the light which is radiated from the facing arc-shaped curved surfaces. It is thus possible to clarify contours of the light which is detected by the detecting units, and to improve the precision of the detection of the touch location.

Optical sensing unit and touch panel device including the same

An FTIR touch panel () includes a light guide plate () and a prism () joined to the light guide plate (). The prism () includes a side surface (), which is a joining portion that is joined to the light guide plate (), and a groove () in which a light source () is inserted. Light emitted from the light source () is incident on the prism () through a wall surface of the groove (), and travels from the prism () to the light guide plate () through the side surface (). Plating () is formed on a surface of the prism () over a region excluding the side surface () and the wall surface of the groove (). Accordingly, a touch panel having a high position detection accuracy can be provided.

Position input device and touch panel

An optical touch panel apparatus for detecting a position of a light blocking object on a flat panelincludes a plurality of light emitting elements and light receiving elements arranged along a side of the rectangular flat panel. The optical touch panel apparatus sets a peripheral area on the flat panel, and performs position detection in an area other than the peripheral area while not performing position detection within the peripheral area. The peripheral area is an area proximal to the light emitting elements or light receiving elements, in which resolution for position detection is deteriorated and unsatisfactory light blocking is likely to occur. By limiting the area for which position detection is performed to the area other than the peripheral area, deterioration in resolution for position detection and occurrence of unsatisfactory light blocking can be prevented, making it possible to stably perform position detection.

Optical touch panel apparatus for detecting a touch on a peripheral area

A high luminance display apparatus is provided. When a spectral radiance of a backlight at a time point of factory shipment is less than a spectral radiance of external light, a CPU generates a correction matrix for performing color correction so that color produced by external light, i.e., color produced by reflection light of external light by a half mirror conforms to color produced by only irradiation light of the backlight, transmits the generated correction matrix to a video image signal processing section as parameter information, and causes execution of color correction based on the parameter information. The CPU generates a correction matrix based on a spectral radiance of external light detected by a second spectral radiance sensor, a spectral radiance of the backlight detected at the time point of factory shipment, and spectral transmittance of a color filter as well as a color-matching function.

Display apparatus

A multi-display system includes a test pattern display controller that causes a test pattern to be displayed in a predetermined display region on a periphery of an LCD module of each image display device, an optical transmitting unit that constitutes a plurality of transmission channels each capable of transmitting an emitted light from each of the display regions, a spectral radiance sensor that detects spectral characteristics of the emitted light transmitted by each of the transmission channels, and an adjustment unit that adjusts, based on the spectral characteristics detected by the spectral radiance sensor, luminance and chromaticity of the image display device having the LCD module that has outputted the emitted light having the spectral characteristics so that the difference from luminance and chromaticity of the adjacent image display devices decreases.

Growing community of inventors

Osaka, Japan

Koichi Sugiyama