Panel displays, framed lighted switch actuators therefor

• Main Authors: KLEIN; FRANK H, VAN HOUT; JAMES E
• Format: Patent
• Language: English
• Published: 01.12.1987
• Edition: 4
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

Backlighting from a circuit board mounted below a panel display is prevented from seeping around the edges of control actuators which rely on the backlighting to illuminate legends on the face of the actuators. A continuous frame and a layer of foam are disposed about the periphery of the actuators...