The Panel Machine Switching System is a type of automatic telephone exchange for urban service that was used in the Bell System in the United States for...

Look up Panel, panel, or panelist in Wiktionary, the free dictionary. Panel may refer to: Panel (comics), a single image in a comic book, comic strip...

distribution panel in the United Kingdom. The three incoming phase wires connect to the busbars via a main switch in the centre of the panel. On each side...

rotating switches and relays. Some types of automatic exchanges were the Strowger switch or step-by-step switch, All Relay, panel switch, Rotary system...

registers and memory. The front panel usually consisted of arrays of indicator lamps, digit and symbol displays, toggle switches, dials, and push buttons mounted...

IPS (in-plane switching) is a screen technology for liquid-crystal displays (LCDs). In IPS, a layer of liquid crystals is sandwiched between two glass...

switch Light switch Load control switch Membrane switch MEMS switch Optical switch Piezo switch Pull switch Push switch Railroad switch Sense switch Slotted...

switch fabric used the electromechanical crossbar switch to implement the topology of the panel switching system of the 1920s. The first No. 1 Crossbar was...

A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid...

panels requires specialized devices like crossbar switches. Switching equipment may be electronic, mechanical, or electro-mechanical. Some switcher hardware...