An apparatus for generating a video signal suitable to cause a representation of repetitive waveform to be displayed on a raster scan display device comprises a differential amplifier which forms an output signal representing a clipped version of the instantaneous difference between the voltage of the waveform and a voltage representing the position of the raster scan line then being executed. An absolute value circuit receives the output signal of the differential amplifier and generates an out...

A visual display system that provides a high speed method for reading data from a pixel memory, modifying it if desired, and then writing data into the memory. This READ/MODIFY/WRITE is accomplished by providing a RAM look-up table having a number of addressable locations. The output from one addressable location is data representative of the color/intensity of the vector being drawn, the output from other addressable locations is data representative of a desired highlight color/intensity, and t...

A method of displaying and stocking three categories of an article which comprises: supplying first, second and third categories of an article each having associated therewith respectively, first, second and third indicia having, respectively, first, second and third visual appearances, which visual appearances being different from one another; and mounting or arranging the articles in the first second and third categories on respectively, first, second and third regions of a display unit wherei...

A displaying device includes an array substrate on which a plurality of pixel electrodes are arrayed, a counter substrate having a common electrode arranged to oppose the pixel electrodes on the array substrate, a liquid crystal cell held between the array substrate and the counter substrate, and a display control circuit for controlling the potential difference between each pixel electrode and a common electrode to periodically invert the direction of an electric field in the liquid crystal cel...

A technique for displaying topographical data, for example, on a screen of a portable hand-held device includes: optionally receiving GPS (Global Positioning System) signals and generating a digital output indicative of a position location of the display device in response to the received GPS signals or inputting location data manually to produce an image on a display screen of the device in response to the digital output; and storing true digital elevation data as compressed cells and decompres...

A WAP telephone handset has a display (5) which displays a WML card that includes a table consisting of data cells (C) arrayed in rows and columns. A focus (22) can be scrolled through the rows of the display and a row selected. Not all the columns need be displayed. The selected row is then displayed as a column so that the focus can be scrolled through data items in the column. The column widths may be scaled downwardly to increase the number displayed when the table includes a larger number o...

A display element is adapted to be arranged together with other similar elements in rows and columns for displaying signs and comprises a housing (2), a surface element (6) connected to said housing and movable between two positions for displaying different surface information (4,5), as well as a coil (9) optionally magnetizable in opposite directions, connected to the housing and adapted to actuate the surface element to occupy one or the other of said positions depending upon the direction of ...

A display medium which has a memorizing ability and is superior in the stability under a severe condition or to folding is provided by a displaying medium comprising a substrate and a constituting layer provided on the substrate, in which the constituting layer contains a binder and a liquid crystal composition dispersed in the binder, and the binder contains a hydrophilic polymer hardened by a hardening treatment.

A displaying apparatus includes a cathode ray tube (CRT), a printed circuit board (PCB) provided at a rear end of the CRT, a CRT socket to electrically connect the CRT and the PCB, a cable coupling part formed adjacent to the CRT socket, a high voltage cable coupled to the cable coupling part, and an electromagnetic wave shielding member provided inside the cable coupling part in contact with the high voltage cable to shield the displaying apparatus from electromagnetic waves generated by the hi...

An apparatus for displaying a color image, provides composite color signals of the sum of the low-frequency components of each color signal of red, green and blue of the color image and high-frequency components of their luminance signals. It samples, at different times, at least two of the aforesaid composite color signals responsive to the position in the array of dots on the colored image display panel on which are arrayed color dots, among which the number of green dots is greater than the n...