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An inactive vane display on the Creek Turnpike in Tulsa, Oklahoma.An active vane display at Penn Station in New York City.
A vane display is a type of seven-segment display. Unlike LED and VFD segmented displays, vane displays are composed of seven physical surfaces (vanes), typically painted white, but occasionally other colors, such as yellow or fluorescent green. If a segment is to be displayed as "off", it will be rotated so that its edge faces forward, with the painted surface pointing away and not visible. A segment to be displayed as "on" will be rotated so that the painted surface is shown.
Vane displays operate in a similar manner to flip-disc displays, in that the segments are quickly moved using electromagnets. Some variants used where the display need not necessarily be changed quickly use electric motors to rotate the displays in and out of place.
Vane displays have been used in game shows and on scoreboards in sports arenas and stadiums. Like eggcrate displays, they are not washed out by bright lights such as those found in a television studio. Another benefit of the vane display is that if the power supply is lost, the display will continue to show whatever the last value was before power was cut. However, like flip-disc displays, if many elements must be changed at the same time, the flipping displays may present a significant amount of noise.
crew members: Mary Read and his lover, Anne Bonny. Rackham deposed Charles Vane from his position as captain of the sloop Ranger, then cruised the Leeward...
tip of the vanes, growing gradually longer near the center where the longest branches usually occur. Depending on the number, the vanesdisplay pentaradiate...
power transmission frequencies up to around 100 Hz. The vane is usually fixed directly to the display mechanism of an analogue (moving pointer) clamp meter...
"eggcrate" display common on game shows, then later to an LCD-type "vane" display. By 2003, the tote board was changed to a screen display. The 2011 edition...
appearance was affectionately known as 'the Wendy House'. Until 2004, a vanedisplay scoreboard was mounted on the stand's facade. Brentford was one of the...
metres (49 ft) into the skies, crowned with a gilded knob and a weather vanedisplaying a cut-out coat of arms of Bern. The tower's two namesake bronze bells...
for himself. Jennings mentored other well-known pirates such as Charles Vane and "Calico Jack" Rackham. Jennings was also known for a botched attack on...
continually. Synchroscopes have a damping vane to smooth out vibration of the moving system. A polarized-vane synchroscope has a field winding with a phase-shifting...
back (hence the name) and observed the shadow cast by the upper vane on a horizon vane. It was invented by the English navigator John Davis, who described...
performance is normally displayed as a turbine map or characteristic. The number of blades in the rotor and the number of vanes in the stator are often...
rotating asymmetrical vane swings through a cylinder of two different radii. The differential pressure between the two sides of the vane gives rise to an unbalanced...
must be pointed into the wind. Small turbines are pointed by a simple wind vane, while large turbines generally use a wind sensor coupled with a yaw system...
Pacific Northwest. Boeing subsequently modified the design with the Cooper vane so that the airstair could not be lowered in flight. The design included...
alidades consisted of a bar, rod or similar component with a vane on each end. Each vane (also called a pinnule or pinule) has a hole, slot or other indicator...
vane compressor is well suited to electric motor drive and is significantly quieter in operation than the equivalent piston compressor. Rotary vane compressors...
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