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Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
A synchronization gear (also known as a gun synchronizer or interrupter gear) was a device enabling a single-engine tractor configuration aircraft to fire its forward-firing armament through the arc of its spinning propeller without bullets striking the blades. This allowed the aircraft, rather than the gun, to be aimed at the target.
Synchronizer may refer to: Part of a synchromesh manual transmission in an automobile; Synchronization gear, a device that permits a gun to fire between the blades of a revolving airplane propeller; Arbiter (electronics), which orders signals in asynchronous circuit; Synchronizer, an electronic circuit techique; see metastability in electronics
The Nikon F offered FP, M, and ME bulb synchronizations, in addition to the X sync. [ 5 ] The Friedrich Deckel Synchro-Compur leaf shutter of the Braun Paxette Reflex offered V, X, and M flash synchronization, whereby V (German: "Vorlauf") was used in conjunction with self-timer.
A variation on the propeller synchronizer is the propeller synchrophaser. Prop sychrophase acts much like a synchronizer to precisely match r.p.m., but the synchrophaser goes one step further. It not only matches r.p.m. but actually compares and adjusts the positions of the individual blades of the propellers in their arcs.
The sequence of events is similar for manual or automatic synchronization. The generator is brought up to approximate synchronous speed by supplying more energy to its shaft - for example, opening the valves on a steam turbine, opening the gates on a hydraulic turbine, or increasing the fuel rack setting on a diesel engine.
This synchroscope was used to synchronize a factory's power plant with the utility's power grid. In AC electrical power systems, a synchroscope is a device that indicates the degree to which two systems (generators or power networks) are synchronized with each other.
The frame synchronizer searches the incoming bit-stream for occurrences of the frame synchronization pattern. If the pattern persists for long enough that an accidental match is implausible, the synchronizer declares the data synchronized and available for decoding.