Abstract: A flat display apparatus has a flat display panel; a frame that is installed on a rear face side of the display panel; a cover that covers at least a rear face side of the frame; and a high-voltage power supply that applies high voltage to the display panel. The high-voltage power supply has a plurality of cases, each of which encloses one or more transformers and rectifier circuits, and obtains high voltage by connecting the plurality of cases in series, and the plurality of cases are arranged in a space created between the frame and the cover so as to be disposed on a plane in parallel with a screen of the display panel.

Abstract: To provide an image display apparatus having: an electron source; a light-emitting member for emitting a light by irradiation with electrons emitted from the electron source; an anode electrode, which is arranged being opposed to the electron source; a high-voltage generating circuit for generating a potential which rises in a predetermined period; a wiring for connecting the anode electrode to the high-voltage generating circuit; a comparator; a first circuit for applying a first potential satisfying a positive correlation with the potential on the wiring to the comparator; and a second circuit for applying a second potential, which continuously rises or rises in stepwise manner in the predetermined period, to the comparator. The comparator outputs a result of comparison between the first potential and the second potential.

Abstract: An image processing apparatus which converts a frame rate by dividing an input frame into subframes and outputting the subframes, comprises, a preprocessing unit adapted to perform preprocessing of replacing a pixel value of a pixel of interest with a minimum pixel value of peripheral pixels of the pixel of interest in an input frame, a low-pass filter processing unit adapted to generate a first subframe by performing a low-pass filtering process on the input frame having undergone the preprocessing, a generating unit adapted to generate a second subframe from the first subframe and the input frame, and a switching unit adapted to output the first subframe and the second subframe by switching the first subframe and the second subframe at a predetermined timing.

Abstract: A modulation-signal generator circuit generates a modulation signal having a time width corresponding to tone data that is input. The modulation-signal generator circuit includes an output section outputting the modulation signal and a control circuit. The output section is controlled so as to set the height value of the modulation signal to a predetermined height value during a first period in a period during which one modulation signal is output and is controlled so as to set the height value of the modulation signal to a height value higher than the predetermined height value during a second period. The control circuit sets a maximum time width which is available as the first period, and sets the maximum time width in accordance with a signal generated based on an instruction of a user or sets the maximum time width in accordance with a signal indicating the characteristics of the tone data.

Abstract: A drive circuit of an image display apparatus has a correction circuit for outputting driving data that is corrected on the basis of a correction value. The correction value is a correction value that corrects variation of brightness of a plurality of pixels. The correction on the basis of the correction value is a correction such that the number of pixels to be darkened by the correction when the driving data inputted for the plurality of pixels have a common first value is fewer than the number of pixels to be darkened by the correction when the driving data inputted for the plurality of pixels have a common second value larger than the first value.

Abstract: To provide an image display apparatus having: an electron source; a light-emitting member for emitting a light by irradiation with electrons emitted from the electron source; an anode electrode, which is arranged being opposed to the electron source; a high-voltage generating circuit for generating a potential which rises in a predetermined period; a wiring for connecting the anode electrode to the high-voltage generating circuit; a comparator; a first circuit for applying a first potential satisfying a positive correlation with the potential on the wiring to the comparator; and a second circuit for applying a second potential, which continuously rises or rises in stepwise manner in the predetermined period, to the comparator. The comparator outputs a result of comparison between the first potential and the second potential.

Abstract: A display apparatus of the invention which detects an obstacle put on a display unit, and modifies a place or manner of a display to be performed, comprising the display unit having a display surface; a detecting unit for detecting a display-obstructed area on the display surface where a display-obstructing factor is present; a shifting unit for shifting the area of displayed contents to a displayable area other than the display-obstructed area, when the display-obstructed area is detected; and a display control unit for displaying the displayed contents shifted by the shifting unit in the area other than the display-obstructed area.

Abstract: Improved is luminance of an image display apparatus in which a display panel is configured by a matrix wired plurality of electron emitting devices, and long life thereof is tried to be realized. In one select period, a scanning signal is applied to a plurality of scan interconnection. In a subsequent select period, a scanning signal is applied to a plurality of scan interconnections which were shifted with one scan interconnection portion. Between scanning signals, a low level portion is disposed. Also, pulse width modulation is carried out.

Abstract: An image display apparatus includes a display panel configured by a matrix wired plurality of electron emitting devices. In one select period, a scanning signal is applied to a plurality of scan interconnections. In a subsequent select period, a scanning signal is applied to a plurality of scan interconnections which were shifted with one scan interconnection portion. Between scanning signals, a signal level is controlled to a non-selection electric potential.

Abstract: A modulation-signal generator circuit generates a modulation signal having a time width corresponding to tone data that is input. The modulation-signal generator circuit includes an output section outputting the modulation signal and a control circuit. The output section is controlled so as to set the height value of the modulation signal to a predetermined height value during a first period in a period during which one modulation signal is output and is controlled so as to set the height value of the modulation signal to a height value higher than the predetermined height value during a second period. The control circuit sets a maximum time width which is available as the first period, and sets the maximum time width in accordance with a signal generated based on an instruction of a user or sets the maximum time width in accordance with a signal indicating the characteristics of the tone data.

Abstract: A display apparatus of the invention which detects an obstacle put on a display unit, and modifies a place or manner of a display to be performed, comprising the display unit having a display surface; a detecting unit for detecting a display-obstructed area on the display surface where a display-obstructing factor is present; a shifting unit for shifting the area of displayed contents to a displayable area other than the display-obstructed area, when the display-obstructed area is detected; and a display control unit for displaying the displayed contents shifted by the shifting unit in the area other than the display-obstructed area.

Abstract: Improved is luminance of an image display apparatus in which a display panel is configured by a matrix wired plurality of electron emitting devices, and long life thereof is tried to be realized. In one select period, a scanning signal is applied to a plurality of scan interconnection. In a subsequent select period, a scanning signal is applied to a plurality of scan interconnections which were shifted with one scan interconnection portion. Between scanning signals, a low level portion is disposed. Also, pulse width modulation is carried out.

Abstract: A high-definition display apparatus, such as a picture display, having a resolution at a level similar to that of a printer is connected to a data processor, such as a personal computer, to constitute a picture display apparatus, thereby displaying a document under preparation at a resolution level identical to that of the printer. As a result, an operator can confirm the style and appearance of a document under preparation to be printed on a real-time basis on the display apparatus, without necessitating actual printing out of the document under preparation. As a result, the printing time and paper for check-printing can be omitted to simplify the document preparation.

Abstract: A parent node transmits a third specific message to child nodes as a broadcast message if a first specific message indicating the start of the child node collides with another message so that normal receiving cannot be performed. Then, the parent node sequentially transmits second specific messages to each child node and then receives responses to recognize the states of the children nodes. The parent node transmits a specific message indicating a realization of a sleeping state as a broadcast message to the children nodes, followed by transmitting a specific message when data to be transmitted from the child node has been generated. The parent node cancels the sleeping state when it receives the specific message.

Abstract: A color display apparatus, such as a color liquid crystal display apparatus, is composed of a multiplicity of sub-pixels each designed for displaying one of a plurality (k) of mutually different mono-colors and arranged in rows and columns so as to form pixels each with a plurality of mutually adjacent sub-pixels. The sub-pixels and pixels are so arranged that a number n given by dividing a total number of sub-pixels arranged in a row or column with a total number of pixels arranged in the row or column is set to satisfy: 1<n<k, wherein k denotes the plurality of the mono-colors displayed by the sub-pixels. As a result, the pixel pitch can be reduced to provide an increased display density and an improved display quality.

Abstract: A pointed-position detecting apparatus where image output unit visually displays an image, and image input unit inputs the displayed visible image. The input visible image is stored into memory as an original image. The visible image is partially changed by using a manipulation device such as a laser pointer or a pointing rod, and the visible image with the partially-changed area is inputted from the image input unit. Controller extract the changed image area from the input visible image, and detects a pointed position based on the changed image area. Thus, the phenomenon where a user's action with respect to a displayed image is reflected as a change in the image is utilized to detect coordinates and motion at the image area as the object of change.

Abstract: A display method and apparatus for displaying information by projecting a light onto an external projection plane is capable of detecting a deviation amount of a displayed image projected on the projection plane with respect to the display apparatus. Output image data is changed based on the detected deviation amount to offset a distortion of the displayed image, which is displayed using the changed output image data.

Abstract: An electronic apparatus includes an acceleration sensor, an inclination detector, a pushbutton switch, a use condition detector, a screen control determiner, a screen, and a screen controller. The apparatus is controlled in a method that enables the execution of control in which the contents of operation intended by the user are exactly reflected. The acceleration sensor and the inclination detector detect an inclination of the apparatus. The use condition detector detects the use of the apparatus, based on whether the pushbutton switch is turned on or not. The screen control determiner determines whether or not to execute screen control, based on both the inclination detected by the inclination detector and the use of the apparatus detected by the use condition detector. The screen controller controls the screen, based on the result determined by the screen control determiner.

Abstract: A coordinate input device interpolates sampling data, using less input data and simpler computing. The input data (coordinate information indicative of an input trace) are sampled both with a predetermined cycle (Tn), and at the end of a predetermined time interval after the sampling of the cycle Tn is complete. As a result of the two different samplings, not only the coordinate point determined by the sampling of cycle Tn, but also information indicative of a tangent vector at each coordinate point on the input trace are obtained. The coordinate point and the associated tangent vector information are thus output, so that a trace more faithful to the input trace is obtained using fewer coordinate points.

Abstract: An image information transmitting/receiving apparatus for time and cost-saving repetitive transmission. In facsimile communication, image data where further information is added to previously-transmitted image data is often received. In the present apparatus, the original image data is stored, and only difference data from the original image data is transmitted, thus the whole image can be reproduced at the receiving side, using the received difference data. Upon transmitting the difference image information, identification information identifying the difference image information is added to the difference information, and the entire image data to be received by the receiving side is stored. Upon receiving the difference image information, the received difference information is combined with the stored image data, and an image is reproduced based on the combined image data. Further, the image data used for image reproduction is stored as original image data for the next transmission.