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n.1.An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope.
References in periodicals archive ?
Using SPECTRUM's SpectroPHONE, the SPECTRUM TMN Q-Adaptor can provide remote access to SPECTRUM's intelligent alarm system from any touch-tone telephone.
Cabletron, SPECTRUM, SPECTRUM Enterprise Manager, SPECTRUM Frame Relay Manager, SPECTRUM Report Generator, SPECTRUM Enterprise Alarm Manager, SPECTRUM AR System Gateway, SpectroPHONE and The OASys Group are trademarks or registered trademarks of Cabletron Systems.
As a hypothetical example, a roving administrator receives a page -- automated through SpectroPHONE -- reporting a problem in Accounts Payable.