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Backlighting Options - 6 Pages

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Backlighting Options

Catalog excerpts

Strategically placing lights inside an input device to illuminatethe backs of keys and functions is a technique, referred to asbacklighting. It makes keys and legends easier to read andproducts much more marketable. Careful consideration of the trade-offs between the different backlighting applications,the product in design, and environmental requirements areall crucial elements to the products performance, reliability, and fitness for use.Simply stated, a backlit keypad is illuminated so that theforeground appears sharper in contrast with the background.The objective of backlighting...

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Design considerations Color is determined by the light source. Օ Tactile feel can be reduced in a Flat Panel Dome-style product. Localized holes for switches or other items are generally not feasible. Light Emitting Diodes (LEDs) Light emitting diodes offer many attractive featuresincluding multiple colors, and variable intensity adjustment.These devices are made by encapsulating LED chips on axial lead frames to form molded epoxy subminiaturelamp packages. Some LEDs have high light output foruse outdoors, making them easily seen in direct sunlight.Newly developed, low thermal resistance,...

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We make the input devices that control the OEM products that operate the world. > Graphic overlaywith deadfront legendsEL panelCircuit card withmetal dome switchesInverter Typical Construction > Typical ConstructionGraphic overlaywith deadfront legendsFiber-Optic panelLED light source > Typical ConstructionTranslucent elastomerswitch coverCircuit card withchipӔ style LEDs > Typical ConstructionGraphic overlaywith deadfront legendsCircuit cardwith switchesLight bar onseparate circuit card >

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