Psychopraxiscope

noun
A device purported to offer instantaneous viewing of any subject’s thoughts.
Source
Great Breakthroughs in Darkness

Parestisomach

noun
A portable device for capturing likenesses.
Origin
Derived from parēre (visible), estis (“they are”), and māchina (machine).
Source
The Witcher 3: Blood And Wine

Xenovox

noun
A portable device for sending and receiving voice communications over long distances.
Origin
Derived from ksenos (foreign) and vox (voice).
Source
The Witcher 3: Wild Hunt

Spacell

noun
A perpetual power source of extraterrestrial inception.
Origin
Portmanteau of ‘space’ and (power-) ‘cell’.
Source
Roadside Picnic

Femfatalatron

noun
An erotifying device stochastic, elastic and orgiastic.
Source
The Cyberiad

Musicometer

noun
A device allowing the operator to compose music automatically.
Origin
Derived from metron (measure).
Source
We

Cutteray

noun
Short-range laser used mostly as a cutting tool and surgeon’s scalpel.
Source
Dune

Geophone

noun
A listening device that detects vibrations in bedrock.
Origin
Formed from geo (Earth) and phone (sound).
Source
The Stars My Destination

Piezophone

noun
A device for sending and receiving wireless voice communications.
Origin
Formed from the prefix piezo- (relating to piezoelectricity) and phone (sound).
Source
Gateway

Voxophone

noun
A portable audio recording and playback device, employing phonograph records as the storage medium.
Origin
Formed from vox (voice) and phone (sound).
Source
Bioshock Infinite

Versificator

noun
A device for composing songs entirely by mechanical means.
Origin
Pairing of ‘verse’ with the French suffix -ificateur (to realise an action).
Source
Nineteen Eighty-Four

Persuadertron

noun
A chemical weapon that renders the victim totally open to suggestion.
Source
Syndicate