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 Telecommunications Object Thesaurus Terms

This A-Z list of telecommunications objects shows the preferred and non-preferred terms in the thesaurus.

Plural: hand lamps
Broader Term: lamp
Scope Notes:
hand microtelephone
Plural: hand microtelephones
Plural: hand propelled transport
Top Term: transport
Broader Term: transport
Narrower Terms: handcart  pole cart adapter  
Scope Notes:
hand set
Plural: hand sets
hand telephone
Plural: hand telephones
Definition: Early single piece Bell-type telephone, comprising a rod magnet, coil and diaphragm in a wood or ebonite hand held unit. Later used only as a telephone receiver - see Receiver, Bell, No.1A.
Plural: handcarts
Top Term: transport
Broader Term: hand propelled transport
Narrower Terms: pole cart  
Scope Notes: Handcart for carrying tools and stores in general, but particularly for overhead and underground ...
Plural: hand-punch perforators
Top Term: terminal apparatus
Scope Notes: 3-button hand-operated Wheatstone morse-tape perforator.
handset
Plural: handsets
Definition: Combination of telephone transmitter and telephone receiver in a single hand-held unit. Connects to a the body of a telephone, switchboard or similar by means of a flexible handset cord.
Plural: handset cords
Top Term: terminal apparatus
Broader Term: telephone component
Plural: harmonic telegraphs
Broader Term: multiplex telegraph
Scope Notes:
Plural: head and breast sets
Top Term: terminal apparatus
Broader Term: telephone component
Plural: head lamps
Broader Term: lamp
Scope Notes:
Plural: headgear receivers
Top Term: terminal apparatus
Broader Term: telephone receiver
Scope Notes: Telephone receiver mounted on a flexible headband. (See also headset.)
Plural: headsets
Top Term: terminal apparatus
Broader Term: telephone component
hearing aid compatible telephone
Plural: hearing aid compatible telephones
Definition: A telephone with a built-in inductive coupler in the handset that can give clearer sound when used with a hearing aid set to the 'T' (telecoil) setting.
Plural: heat coils
Top Term: common component
Broader Term: common component
Scope Notes: A device for opening a circuit by means of a conductor designed to melt when excessive current ...
Plural: heating and ventilation fittings
Broader Term: built work fitting
Scope Notes:
Plural: helmets
Broader Term: protective clothing
Scope Notes:
Plural: hermaphroditic connectors
Broader Term: temporary connector
Plural: high voltage caution plates
Broader Term: warning notice
Scope Notes:
Plural: high-speed relays
Top Term: common component
Broader Term: relay
Scope Notes: Form of relay with particularly fast operating characteristics.
Plural: historical publications
Plural: hollow poles
Top Term: street furniture
Broader Term: non-wood pole
Plural: horns
Top Term: terminal apparatus
Broader Term: acoustic call indicator
Scope Notes:
Plural: horn telegraphs
Broader Term: blown telegraph
Scope Notes:
Plural: horse drawn transport
Top Term: transport
Broader Term: transport
Scope Notes:
Plural: house exchange systems
Top Term: terminal apparatus
Scope Notes:
Plural: House of Commons division bells
Top Term: terminal apparatus
Plural: House of Commons division bell system
Broader Term: wired broadcast system
Plural: house poles
Top Term: street furniture
Broader Term: non-wood pole
Use For: roof pole  
Plural: house pole chairs
Top Term: street furniture
Broader Term: pole fitting
Scope Notes: Socketed plates, into which house poles were inserted. Supplied in two patterns, for use on flat ...
house telephone system
Plural: house telephone systems
Definition: Telephones installed within houses for purely internal communication and independent of the national telephone network.
Plural: house tubes
Broader Term: pneumatic tube
Plural: house tube brackets
Broader Term: pneumatic tube component
Scope Notes:
Plural: H-poles
Top Term: street furniture
Broader Term: telegraph pole assembly
Scope Notes: A telegraph pole assembly where two uprights are combined in a configuration similar in shape to a ...
Hughes telegraph
Plural: Hughes telegraphs
Definition: Early form of electro-mechincal printing telegraph in which the sending and receiving mechanisms rotated continuously and synchronously. Messages were sent by pulse timed to next occurence of the desired letter.
Plural: Hughes teleprinters
Top Term: terminal apparatus
Broader Term: telegraph instrument
Plural: human resources material
Scope Notes:


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