annunciator

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Definition of annunciator

What does annunciator mean?

noun

1. an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
   • more generic: indicator = a device for showing the operating condition of some system

Alternative definition

noun

1. Anything that announces something
2. A signalling devices that shows which of several electrical circuits is active, especially such a device in a telephone switchboard
3. A buzzer in a UK signal box, that sounds when a train activates a treadle positioned on the track. Provides a warning or announcement of a nearby train.

Printed dictionaries and other books with definitions about annunciator

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Dynamometer: Theory and Application to Engine Testing (2012)

by Jyotindra Killedar

Alarm Annunciation The alarm annunciator is a device incorporated into the control system which gives audiovisual information about a parameter which has crossed the set/prescribed limit. Alarm takes place when something happens in ...

Industrial Maintenance (2003)

by Michael E. Brumbach, Jeffrey A. Clade

An annunciator is a signaling apparatus.

Henley's Encyclopaedia of Practical Engineering and Allied Trades ... (1906)

Annunciator.—The annunciator is the apparatus that is employed in connection with electric bells and telephones,

American telegraphy and encyclopedia of the telegraph (1912)

systems, apparatus, operation ... by William Maver (the younger.)

The switch j annunciator a and battery n may be located in a station.

Illustrated Dictionary for Building Construction (1993)

by John E. Traister

Chime Annunciator Any other item on same system - . use numbers as required. -f— [3] Electric Door ...

The Anglo-American Encyclopedia and Dictionary: Dictionary department (A-Z) (1904)

annunciator 200 anomalistic an-nun -cl-a-t5r, *. [In Ital. annunziatore ; from Lat. annuntiator.] 1. Gen.: One whoannounces. •2. Eccles.: An officer in the church at Constantinople whose duty it was to inform the people of the festivals about to be ...

Online dictionaries and encyclopedias about annunciator

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Photos about annunciator

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• Annunciator

  Passing information between the bridge and the engine room.

  Photo credit: Capt' Gorgeous

• Annunciator

  This is from the "LT-5", only surviving WWII Army oceangoing tug, currently berthed and restored to operating condition at the H. Lee White Marine Museum, Oswego, NY.

  This photo was also picked up by the "No Ideas But In Things" blog, here.

  [PICT1856 (84 of 142)]

  Photo credit: reivax

• Up Main line annunciator

  Up Main line annunciator in Castleton East Junction signal box. Sunday 3rd September 2007

  Ref no P9030250

  Photo credit: Ingy The Wingy

• ANNUNCIATOR

  Photo credit: peretzpup

• Annunciator

  In the USS Bowfin.

  Photo credit: Ross

• Annunciator

  Photo credit: evokilla

• Saturn V Firing Room Annunciator Lights

  From the Apollo/Saturn V Center introductory movie.

  Photo credit: RyanCrierie

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