Semaphore (disambiguation)
Encyclopedia
Semaphore, from Ancient Greek σῆμα (sêma), “‘sign’”, and φωρος (phoros), “‘bearing, bearer’”, may refer to:
Optical-telegraph systems:
Optical-telegraph systems:
- Semaphore line, a system of long-distance communication based on towers with moving arms
- Flag semaphoreFlag semaphoreSemaphore Flags is the system for conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands. Information is encoded by the position of the flags; it is read when the flag is in a fixed position...
system - Railway semaphore signalRailway semaphore signalOne of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted 'arm'. Semaphore signals were patented in the early 1840s by Joseph James Stevens, and soon became the most...
s for railway traffic control
Other
- Traffic semaphore, another name for automotive traffic lights based on their early resemblance to railway semaphores
- Turning semaphore or trafficators, retractable arms to indicate turns on automobiles from the 1920s to 1950s
- Semaphore (programming)Semaphore (programming)In computer science, a semaphore is a variable or abstract data type that provides a simple but useful abstraction for controlling access by multiple processes to a common resource in a parallel programming environment....
, in computer science, a mechanism for supporting mutual exclusion in concurrent programs - Semaphore, South AustraliaSemaphore, South AustraliaSemaphore is a north-western seaside suburb of Adelaide of the LeFevre Peninsula 14km from the CBD, in the state of South Australia, Australia and falls under the City of Port Adelaide Enfield. It is adjacent to Semaphore South, Glanville, Exeter and Largs Bay. The postcode for Semaphore is 5019...
, a historic seaside suburb of Adelaide - Semaphore railway line, AdelaideSemaphore railway line, AdelaideMap of the Line Route|300px|right|thumbSemaphore railway line was a railway in the north-west of Adelaide servicing the suburb of Semaphore and Exeter. It serviced two stations: Semaphore and Exeter...
, a closed railway line in South Australia - Semaphore (album)Semaphore (album)Semaphore is the second studio album by Fridge, released on 16 March 1998.-Track listing:# "Cassette" # "Furniture Boy" # "A Slow" # "Motorbus" # "Teletexed" # "Chroma" # "Lo Fat Diet"...
, a 1998 album by Fridge - Semaphore (song), the 2004 7" single by the New Zealand post-rock band Jakob
- Semaphore, fictional professor in CubitusCubitusCubitus is a Franco-Belgian comics series, and the basis for the Wowser cartoon series appearing in the United States. Cubitus was created by the cartoonist Dupa, and features Cubitus, a large anthropomorphic dog, who lives with his owner Semaphore...
comic strips or Wowser cartoons
See also
- International maritime signal flagsInternational maritime signal flagsThe system of international maritime signal flags is one system of flag signals representing individual letters of the alphabet in signals to or from ships...
, one system of flag signals representing individual letters of the alphabet in signals to or from ships - TelegraphyTelegraphyTelegraphy is the long-distance transmission of messages via some form of signalling technology. Telegraphy requires messages to be converted to a code which is known to both sender and receiver...
, the long-distance transmission of written messages without physical transport of letters