Comeye - portable video camera
A portable video camera, used by the mobile functionary to keep in touch with office.

Heretics of Dune (1984)

Cone of Silence - the original sound-dampener
Distortion field that limits the carrying power of voice or other vibration; it accomplishes noise reduction with an image-vibration 180 degrees out of phase.

Cease Fire (1958)

Court Robo-Clerk - hear ye, hear ye!
A robotic law clerk.

The Tactful Saboteur (1964)

Courtarena - trial by fire
A combination of a court of law, and an arena of combat, in which every participant could be called out and executed under legal circumstances.

The Tactful Saboteur (1964)

Crechepod - full life support
A small, enclosed medical device providing full life support as well as advanced regrowth technologies.

The Godmakers (1972)

Crysknife - knife from a sandworm's tooth
A knife blade ground from the tooth of a giant sandworm of Dune.

Dune (1965)

Cutteray - mining laser
A laser used in a range of tools - including mining equipment.

Dune (1965)

Daily Schedule (DS) - intelligent day planner
The DS was an artificially intelligent day planner, a schedule keeper with voice recognition features; it also talked back when necessary.

The Dosadi Experiment (1977)

Datacase - a status-thin briefcase for electronics
A portable suitcase, containing useful electronics for the mobile business-person.

Heretics of Dune (1984)

Dew Gatherers
Devices used to gather morning dew as a source of drinking water.

Dune (1965)

Dictatel
A thought-based dictating machine.

God Emperor of Dune (1981)

Dispensing Tooth - remember the tooth!
A device shaped like a tooth that dispenses gas.

Dune (1965)

Distrans - talk to the animals
Device produces a temporary neural imprint on the nervous system of Chiroptera or birds.

Dune (1965)

Doorseal - retain moisture
A portable plastic seal used in temporary camps to keep moisture from escaping from dwelling places.

Dune (1965)

Ego-Likeness - a true portrait
An extremely detailed portrait played through a shigawire projector; capable of reproducing minute movements said to convey the ego essence of a person.

Dune (1965)

Face Dancer
Mimicry enhanced through genetic manipulation.

Dune Messiah (1969)

Factory Crawler (or Harvester Crawler) - sift the sands of Arrakis
A mobile factory which filtered and processed the sands of Dune for the spice, mélange.

Dune (1965)

Family Atomics
Noble houses had their own atomic weapons.

Dune (1965)

Fanmetal - build temporary shelters
High tensile strength material; used in collapsible structures opened by "fanning" them out.

Dune (1965)

Fencing Mirror - fencing instructor
A dummy fighting instructor for the young Kwisatz Haderach-in-training.

Dune (1965)