A hand-held display device includes a container having a front display having a perimeter, a top side, a left side, a right side, and a bottom side, together all defining the perimeter of the front display, and a back side. The front display includes a plurality of display portions. Each display portion provides an array of display markers. The display markers are configured to display a first side when an electrical current is passed therethrough and a second side when the electrical current is not passed therethrough. A plurality of controllers is mounted on the container. The plurality of controllers equals the plurality of display portions. Each controller is configured to selectively pass the electrical current through a predetermined configuration of the display markers in a respective one of the first plurality of display portions, such that a predetermined indicia is displayed.

A hand-held display device includes a container having a front display having a perimeter, a top side, a left side, a right side, and a bottom side, together all defining the perimeter of the front display, and a back side. The front display includes a plurality of display portions. Each display portion provides an array of display markers. The display markers are configured to display a first side when an electrical current is passed therethrough and a second side when the electrical current is not passed therethrough. A plurality of controllers is mounted on the container. The plurality of controllers equals the plurality of display portions. Each controller is configured to selectively pass the electrical current through a predetermined configuration of the display markers in a respective one of the first plurality of display portions, such that a predetermined indicia is displayed.

A drawing device includes: a display unit that displays an editing screen for creating a plurality of screens to be displayed on a programmable display device; a screen data generation unit that generates screen data configured by the plurality of screens and including an object that is a display element arranged on the editing screen; a screen script generation unit that generates a screen script that is a processing program to be executed only when a specific screen out of the plurality of screens to be displayed on the programmable display device is displayed; and an association management unit that manages an association between the object and the screen script. When the object is copied from a source editing screen to a destination editing screen, the screen script generation unit registers, with the destination editing screen, the screen script associated with the object to be copied.

In an example implementation according to aspects of the present disclosure, a method may include determining when a keyboard for a computing device is on a display surface of the computing device and, upon making the determination, using a portion of the display surface covered by the keyboard to provide a configurable backlight for the keyboard.

In an example implementation according to aspects of the present disclosure, a method may include determining when a keyboard for a computing device is on a display surface of the computing device and, upon making the determination, using a portion of the display surface covered by the keyboard to provide a configurable backlight for the keyboard.

A display control device includes a storage configured to store invariant image data serving as a source of displaying an invariant portion of a display image to be displayed on a display; a data receiver configured to receive format designation data for designating a format of the display image and original data for generating variable image data serving as a source of displaying a variable portion of the display image; a variable image data generator configured to generate the variable image data from the original data; a buffer configured to store the invariant image data and the variable image data; an image data storage configured to select the invariant image data from the storage based on the format designation data to store the invariant image data in the buffer, and store, in the buffer, the variable image data generated by the variable image data generator; and a display controller configured to execute display processing for causing the display to display the display image based on the invariant image data stored in the buffer and the variable image data stored in the buffer.

The invention relates to a method for verifying a character to be displayed on a screen, compared to a reference character. The character to be displayed and the reference character each comprise at least several characteristic points. The method comprises: a) determining a barycenter of the characteristic points of the character to be displayed, b) computing geometric coordinates of each characteristic point of the character to be displayed in a coordinate system centered on the determined barycenter, and c) computing a deviation between the character to be displayed and the reference character, as a function of the geometric coordinates computed for the character to be displayed and predetermined geometric coordinates for the reference character.

The character to be displayed is considered correct only if the computed deviation is below the predetermined threshold.

The invention relates to a method for verifying a character to be displayed on a screen, compared to a reference character. The character to be displayed and the reference character each comprise at least several characteristic points. The method comprises: a) determining a barycenter of the characteristic points of the character to be displayed, b) computing geometric coordinates of each characteristic point of the character to be displayed in a coordinate system centered on the determined barycenter, and c) computing a deviation between the character to be displayed and the reference character, as a function of the geometric coordinates computed for the character to be displayed and predetermined geometric coordinates for the reference character.

The character to be displayed is considered correct only if the computed deviation is below the predetermined threshold.

The present disclosure describes writing information on substrate displays. In an example, a display on a substrate is interfaced. The interfacing includes constraining a first longitudinal side of the substrate via a first actuable slot. Further, a second longitudinal side of the substrate opposite to the first longitudinal side is constrained via a second actuable slot. Thereby the substrate is constrained between the first and second slot with the display positioned therebetween. Further, the display is operated to write information thereon via an imager while the substrate is constrained between the first and second slot.

The present disclosure describes writing information on substrate displays. In an example, a display on a substrate is interfaced. The interfacing includes constraining a first longitudinal side of the substrate via a first actuable slot. Further, a second longitudinal side of the substrate opposite to the first longitudinal side is constrained via a second actuable slot. Thereby the substrate is constrained between the first and second slot with the display positioned therebetween. Further, the display is operated to write information thereon via an imager while the substrate is constrained between the first and second slot.