Sign & Digital Graphics

2012 Buyers Guide

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Page 71 of 103

B Back Channel—A data pathway through which a media player sends information to the network manager. Backlit Sign—A sign consisting of a cabinet containing a light source surrounded by one or more translucent faces, illuminated for visibility. Baked Enamel—A type of metal sign fi nish. A special enamel paint is sprayed or screen printed on the metal surface, dried, then cured. The result is an extremely durable surface similar to that found on many appliances. Balance—In design, the relationship between the design elements so that opposing forces have equal distribution of weight in the layout. Ballast—A device that operates as part of a fl uorescent lamp and is designed primarily to provide suffi cient starting voltage. Banding—A pattern of horizontal or vertical lines visible in solid colors, continuous-tone tints, gradations or images, instead of a smooth color or transition of colors. Banding can appear on computer monitors displaying an inadequate number of colors, or on printers with an improperly profi led printer or media. Bandwidth—The amount of data that is able to be sent over a network, measured in Kilobytes and Megabytes per second (Kbps and Mbps). Modern low bandwidth communications include dialup modems and ISDN, ranging from 56Kbps to 128Kbps, but actual downloading times are closer to 1/10th of this speed. High-speed cable modems, DSL, T-1, and Satellite are much faster, by factors of as little as 10 or even higher than 100. Banner—A sign usually made of fabric, vinyl or other non-rigid material with no enclosing framework. May be painted, screen printed, digitally printed or decorated with vinyl. Banner Finishing—Various applications used to complete a banner to include seaming, hemming, pockets, reinforcement, Keder Strip, clear tape, hook-and-loop tape (Velcro), grommet, etc. Vinyl welding equipment provides the means of fi xing these applications along with double stick tape, adhesives, and grommet setting machines. Beta Testing—Testing a pre-release version of a piece of equipment or software by making it available to selected users. Bevel—A three-dimensional effect that can be applied to text elements, clips or the edges of dimensional signs. Bezier Curve—A line segment where the angle defl ection is mathematically estimated. Bezier segments usually feature movable control points that allow nearly unlimited alteration of the segment to a variety of angles. Binder—A substance that binds two others together. For instance, lacquer is used as a binder when painting with some metallic dusts, and many paints require binders. Bio-Solvent Inks—A type of solvent ink in which the alcohol-based carrier (ethyl lactate) is derived from renewable resources such as corn. Ethyl lactate is very low in harmful VOCs and is considered by the EPA to be a viable alternative to cyclohexanone. Bit Depth—In scanning technology, the amount of information a given scanner records for each pixel. The higher the scanner's bit depth, the more accurately it can describe what it sees when it looks at a given pixel. Most color scanners today are at least 24-bit, meaning that they collect 8 bits of information about each of the primary scanning colors: red, blue, and green. A 30-bit scanner would collect 10 bits per color. Bitmap—Refers to images made of rows and columns of monochrome or multi-colored pixels, or dots, for displaying or printing. Bitmap-image formats include, by fi lename extension fi rst: AI = Adobe Illustrator Encapsulated PostScript BMP = Windows Bitmap EPS = Encapsulated PostScript GIF = Graphics Exchange Format JPEG or JPG = Joint Photographic Experts Group PCD = Kodak Photo CD PCX = ZSoft Paintbrush Exchange PICT, PCT = QuickDraw Picture Format RTL = Hewlett Packard Bitmap Format SCT = Scitex TGA = Targa TIF, TIFF = Tagged Image File Format Black—The color that is produced when an object absorbs all wavelengths of light rather than refl ecting some of them as other colors. Black Generation—The addition of a black layer to the process colors cyan, magenta and yellow when converting an RGB color image to CMYK mode, usually handled in one of four ways: short-range black, used with camera/enlarger separations made through colored fi lters; long- range black, used in electronic scanners and separation software; UCR black; or GCR black. Blade—In screen printing, the fl exible part of a squeegee that comes into contact with the ink. Blank—Most commonly, an un-decorated sign face. May also refer to a sign face without any framing or cabinet. Bleed—In screen printing, the portion of the job that extends beyond the area of the fi nished print. Block Colors—Colors printed without gradations, tints or shades. Blockout—Specially formulated paint used to block out the crossover connections between neon letters. Also a liquid type of mask used to seal holes in the stencil in areas not intended to be screen printed. Bombarding—The process of heating the glass and metal portions of a neon tube to a high temperature to release all absorbed gases and other impurities. Bonderized—A process where sheet metal is zinc-coated, then treated to allow for paint to adhere. Used in creating baked enamel signs. Bounding Box—The area of an on-screen image at its maximum X and Y axes measurements. Altering the bounding box by moving its control points can change the shape or size of an image. Bounding boxes allows scaling of all graphics images in PostScript fi le types. Mid-J SIGN & DIGITAL GRAPHICS GLOSSARY

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