Search results
Results from the WOW.Com Content Network
A flip clock (also known as a "flap clock") is an electromechanical, digital time keeping device with the time indicated by numbers that are sequentially revealed by a split-flap display. The study, collection and repair of flip clocks is termed horopalettology (from horology – the study and measurement of time and palette – and the Italian ...
The pulse generator output is fed into the clock generator which is used to clock the D flip-flop. Based on the input and output signals, if there is a need to change the state of the D flip-flop, then the clock is allowed to switch to cause a transition; else, the clock is not allowed to transition.
Cifra 23 by Solari di Udine, known for its stylish design, digital flip clock dated Sixties, used in airport Paris-Orly and Warszawa Centralna railway station. Split-flap display at 30th Street Station in 2013, since moved to the Railroad Museum of Pennsylvania Display at the Museum of Modern Art
The Signaltron main departure board at Praha-Smíchov station, Czech Republic (2012), manufactured by Pragotron Schematic of a split-flap display in a digital clock display An animation of how a split-flap display works Flap departure board at Gare du Nord, Paris (2007) Section of a split-flap display board at Frankfurt (Main) Hauptbahnhof (2005) Enlarged inner workings of a split-flap clock
In a synchronous circuit, an electronic oscillator called a clock (or clock generator) generates a sequence of repetitive pulses called the clock signal which is distributed to all the memory elements in the circuit. The basic memory element in synchronous logic is the flip-flop. The output of each flip-flop only changes when triggered by the ...
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
An asynchronous (ripple) counter is a "chain" of toggle (T) flip-flops in which the least-significant flip-flop (bit 0) is clocked by an external signal (the counter input clock), and all other flip-flops are clocked by the output of the nearest, less significant flip-flop (e.g., bit 0 clocks the bit 1 flip-flop, bit 1 clocks the bit 2 flip ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!