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A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952.
The Automotive Electronics Council (AEC) is an organization originally established in the 1990s by Chrysler, Ford, and GM for the purpose of establishing common part-qualification and quality-system standards. The AEC Component Technical Committee is the standardization body for establishing standards for reliable, high quality electronic ...
Automatic switches based on the Strowger system proliferated in independent telephone companies in the 1910s and 1920s, well before the Bell System started deployment of Panel switch technology in the 1910s. In 1919, the Bell System was impacted considerably by organized operator strikes and the leadership abandoned its rejection of automatic ...
Associated Equipment Company (AEC) was a British vehicle manufacturer that built buses, motorcoaches and trucks from 1912 until 1979.The name Associated Equipment Company was hardly ever used; instead, it traded under the AEC and ACLO brands.
The AEC also began a program of regular nuclear weapons testing, both in the faraway Pacific Proving Grounds and at the Nevada Test Site in the western United States. While the AEC also supported much basic research, the vast majority of its early budget was devoted to nuclear weapons development and production. [citation needed]
In the 1990s, echo cancellers were implemented within voice switches for the first time (in the Northern Telecom DMS-250) rather than as standalone devices. The integration of echo cancellation directly into the switch meant that echo cancellers could be reliably turned on or off on a call-by-call basis, removing the need for separate trunk ...
The AEC Regent V was a front-engined double-decker bus built by the Associated Equipment Company between 1954 and 1969. It was the last AEC Regent series double-decker model, and was the successor to the AEC Regent III (not to be confused with the AEC Regent IV underfloor-engine double-decker bus, which never entered production).
Automatically closing the breaker after it has tripped and stayed open for a brief amount of time, usually after 1 to 5 seconds, is a standard procedure. [ 5 ] Reclosers are often used as a key component in a smart grid , as they are effectively computer controlled switchgear which can be remotely operated and interrogated using supervisory ...
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