Search results
Results From The WOW.Com Content Network
E.F. Johnson Museum, Waseca, Minnesota EF Johnson Citizen Band walkie-talkie. The company was founded in 1923 by Edgar F. Johnson and his wife Ethel Johnson. The company began as a mail order business, selling radio transmitting parts to amateurs and early radio broadcasters from space shared with a woodworking shop located in downtown Waseca ...
A front panel was used on early electronic computers to display and allow the alteration of the state of the machine's internal registers and memory. The front panel usually consisted of arrays of indicator lamps , digit [ a ] and symbol displays, toggle switches , dials, and push buttons mounted on a sheet metal face plate.
In September 2023, Johnson Controls' experienced a ransomware attack, encrypting numerous company devices and servers, prompting the company to immediately shut down specific IT systems. [ 21 ] In July 2024, Johnson Controls said that it will sell a portfolio of its heating and ventilation units to Germany's Bosch Group for $6.7 billion.
A control panel is a flat, often vertical, area where control or monitoring instruments are displayed or it is an enclosed unit that is the part of a system [1] that users can access, such as the control panel of a security system (also called control unit).
An industrial control system (ICS) is an electronic control system and associated instrumentation used for industrial process control. Control systems can range in size from a few modular panel-mounted controllers to large interconnected and interactive distributed control systems (DCSs) with many thousands of field connections.
Some Johnson bars have a fully ratcheting mechanism, some just a series of detents, and others yet simply engaged and disengaged positions. A common example is the Johnson bar-controlled parking brake found on many trucks and buses. Johnson bar is also the North American term for a steam engine's reversing lever, used to control the valve gear ...
AAR control stand on an EMD DDA40X; Other EMD models are similar. A control stand is a diesel-electric locomotive subsystem which integrates engine functional controls and brake functional controls, [1] whereby all functional controls are "at hand" (within reach of the locomotive engineer from their customary seating position, facing forward at all times). [2]
The Viking II features a 48.4 m 2 (521 sq ft) parachute-style wing, two-seats-in-side-by-side configuration, tricycle landing gear and a twin-cylinder 50 hp (37 kW) Rotax 503 engine in pusher configuration. The three-cylinder 70 hp (52 kW) 2si 690-L70 liquid-cooled engine was a factory option. [1]