Abstract: A display device disclosed includes a liquid crystal panel (6), and an image optimization circuit (4) for switching, in accordance with an update frequency of image data, between (i) a first mode in which a liquid crystal driver (7) is driven at a first driving frequency and (ii) a second mode in which the liquid crystal driver (7) is driven at a second driving frequency lower than the first driving frequency. The display device can therefore be used even in a case where a transmission path for image data is limited and optimally display high-resolution image data with reduced electric power consumption.

Abstract: A touch panel driving device includes: a noise detection section (43) that detects the presence or absence of at least external noise of an input operation performed on a touch panel (30); and a liquid crystal drive parameter setting section (51) that, in a case where the presence of external noise has been detected by the noise detection section (43), executes a process for reducing the external noise by adjusting a cycle or duration of a 1H period.

Abstract: A display device disclosed includes a liquid crystal panel (6), and an image optimization circuit (4) for switching, in accordance with an update frequency of image data, between (i) a first mode in which a liquid crystal driver (7) is driven at a first driving frequency and (ii) a second mode in which the liquid crystal driver (7) is driven at a second driving frequency lower than the first driving frequency. The display device can therefore be used even in a case where a transmission path for image data is limited and optimally display high-resolution image data with reduced electric power consumption.

Abstract: An input device includes a touch panel including a touch sensor that detects an operation by an operator, and a display. The input device executes information processing based on information input on the touch sensor. The touch sensor is capable of changing a detection output to the information processing means, in accordance with a position of an object at a distance from the touch sensor. The input device also determines whether an operation on the touch sensor is performed with an operator's right hand or left hand, based on a distribution of the detection output from the touch sensor.

Abstract: A touch panel driving device includes: a noise detection section (43) that detects the presence or absence of at least external noise of an input operation performed on a touch panel (30); and a liquid crystal drive parameter setting section (51) that, in a case where the presence of external noise has been detected by the noise detection section (43), executes a process for reducing the external noise by adjusting a cycle or duration of a 1H period.

Abstract: An image display apparatus having sub-pixels of four colors is provided in which the resolution when an image is two-dimensionally displayed is not affected, and deterioration in the color balance of a three-dimensionally displayed image is suppressed. In the image display apparatus, the arrangement of a sub-pixel for displaying red for a left eye and a sub-pixel for displaying green for a right eye has been replaced with the arrangement of a sub-pixel (Lg1) for displaying green for the left eye and a sub-pixel (Rr1) for displaying red for the right eye. The arrangement of a sub-pixel for displaying blue for the left eye and a sub-pixel for displaying yellow for the right eye has been replaced with the arrangement of a sub-pixel (Lx1) for displaying yellow for the left eye and a sub-pixel (Rb1) for displaying blue for the right eye. Replacement with the sub-pixel and the sub-pixel and replacement with the sub-pixel and the sub-pixel are made for every other pixel.

Abstract: A method for converting image data within a source gamut into modified image data within a destination gamut, is provided including utilizing a processor to operate on input red-green-blue (RGB) data within the source gamut with a multivariate polynomial function to produce modified RGB data within the destination gamut, wherein the polynomial function includes coefficients optimized in accordance with a predefined criteria such that when displayed on a display device having the destination gamut the modified RGB data have a colour appearance representing a perceptually optimised transform of the input RGB data.

Abstract: This demodulation device receives and demodulates a digital broadcast wave. This demodulation device includes an RF search control unit (41) and a GI search control unit (42). The RF search control unit (41) determines whether or not there is a broadcast wave in a certain channel, in accordance with an intensity of a signal outputted from a tuner (12) for receiving a digital broadcast wave. The GI search control unit (42) determines whether or not the broadcast wave is digital, based on whether or not the signal outputted from the tuner (12) contains a guard interval. Thus, the demodulation device is capable of efficiently searching for a channel containing a digital broadcast wave.

Abstract: A digital demodulating apparatus comprises a tuner constituted by circuit elements to perform channel select processing to a signal; a demodulator that performs demodulation processing to a signal output from the tuner; a power supply unit that supplies a normal power to each circuit element, and supplies to the circuit element a test power different from the normal power, over a first time period in place of the normal power; a test noise measuring unit that measures the intensity of test noise contained in a signal to be output from the tuner, when the power supply unit supplies the test power over the first time period; a comparing unit that compares the intensity of the test noise measured by the test noise measuring unit with a noise reference value as a reference for updating of the normal power; and a power updating unit that updates the intensity of the normal power on the basis of a result of the comparison by the comparing unit.

Abstract: In a case where there are a plurality of spurious disturbing waves, each of which has a strong peak at a particular frequency, in a transmission band, correlation between the disturbing waves becomes nonconstant so that it becomes difficult to remove the correlation between the disturbing waves. An OFDM demodulator of the present invention includes a symbol integration circuit (131) for integrating a guard correlation signal in a symbol number direction, and an offset removal circuit (132) for removing an offset from the guard correlation signal integrated in the symbol number direction. An amplitude component due to the disturbing wave, which amplitude component is included in the guard correlation signal, is cancelled by the integration in the symbol number direction, so that it is possible to successfully remove the offset from the guard correlation signal.

Abstract: This demodulation device receives and demodulates a digital broadcast wave. This demodulation device includes an RF search control unit (41) and a GI search control unit (42). The RF search control unit (41) determines whether or not there is a broadcast wave in a certain channel, in accordance with an intensity of a signal outputted from a tuner (12) for receiving a digital broadcast wave. The GI search control unit (42) determines whether or not the broadcast wave is digital, based on whether or not the signal outputted from the tuner (12) contains a guard interval. Thus, the demodulation device is capable of efficiently searching for a channel containing a digital broadcast wave.

Abstract: A digital demodulating apparatus comprises a tuner constituted by circuit elements to perform channel select processing to a signal; a demodulator that performs demodulation processing to a signal output from the tuner; a power supply unit that supplies a normal power to each circuit element, and supplies to the circuit element a test power different from the normal power, over a first time period in place of the normal power; a test noise measuring unit that measures the intensity of test noise contained in a signal to be output from the tuner, when the power supply unit supplies the test power over the first time period; a comparing unit that compares the intensity of the test noise measured by the test noise measuring unit with a noise reference value as a reference for updating of the normal power; and a power updating unit that updates the intensity of the normal power on the basis of a result of the comparison by the comparing unit.

Abstract: Objects of the invention are to enable different kinds of communication apparatus having interfaces of different input/output methods and different signal voltages to be connected to the same interface; to achieve communication processing appropriate to the automatically detected attribute of the communication apparatus; to explicitly indicate optimum communication means; and to enable communications to be automatically resumed even if the communication apparatus is replaced in the middle of communication. The communication apparatus comprises: means for sending the connected state of the communication apparatus and an attribute of the communication apparatus which connected to information terminal apparatus; a signal line for sending a connection notification to the information terminal apparatus; and a signal input section and a signal output section for transferring control signals and data to and from the information terminal apparatus.

Abstract: A communication device which is capable of automatically discriminating whether a received signal is a carrier-wave-modulated signal or a single-pulse-modulated signal and obtaining a corresponding demodulated signal, thereby reducing a burden to a user in using the device. The device comprises a demodulating circuit for demodulating a carrier-wave-modulated signal, a demodulating circuit for demodulating single-pulse-modulated signal, a switch circuit for selecting either of two demodulating circuits and a carrier detecting circuit for detecting the presence or absence of a carrier-frequency component of the carrier-wave-modulated signal, characterized that the switch circuit selects an output of the demodulating circuit for the carrier-wave-modulated signal when the carrier of the carrier-wave-modulated signal is detected by the carrier detecting circuit.

Abstract: The present invention discloses a liquid crystal display device capable of reducing charges to be supplied from a driving circuit, increasing response speed of liquid crystals and delivering superior display. A liquid crystal display device is provided with a switching circuit between scanning electrodes of a liquid crystal display panel 25 and a common driver. The switching circuit is provided with switching elements, and each switching element is disposed between two scanning electrodes adjacent to each other. Furthermore, each switching element is turned on and off by a control means.