Great Ear
An electronic telepathic listening device that monitors thousands of people simultaneously.

Our Friends From Frolix 8 (1970)

Grill-Screen Adaptor
Approved General Electronics Corporation solution for bomb shelters, in response to Soviet bore-pellets.

Foster, You're Dead (1955)

Guard Robot
Early reference to a robot performing the functions of a security guard.

The Hood Maker ('Immunity') (1955)

Guide-Beam
A wireless means of controlling and directing the movement of a passenger vehicle.

Time Pawn (1954)

Hammer - weapon of AIs
Flying blunt trauma weapon remote-controlled by an artificially intelligent computer.

Vulcan's Hammer (1960)

Hand Wave Control
Control an electronic or other device with gestures.

Solar Lottery (1955)

Handicloset - self-organizing
A self-organizing closet

The Zap Gun (1965)

Histo-Research - best possible evidence
Historical research using a time machine.

The Meddler (1954)

Holo-Cube
A very large holographic display, that a person could walk into.

A Scanner Darkly (1977)

Holo-Printing
Errors introduced in data storage media when recording under improper conditions.

A Scanner Darkly (1977)

Holo-Scanner
A small portable device that acquired holographic surveillance images.

A Scanner Darkly (1977)

Homeopape - news just you can use
A automated device that produces a newspaper without human assistance.

Ubik (1969)

Homeostatic Newspaper - a homeopape
An autonomous news-gathering and publishing entity; abbreviated as homeopape.

If There Were No Benny Cemoli (1953)

Homotropic News Vending Machine
An autonomous news-selling robot, that was able to specifically seek out human beings.

The Game Players of Titan (1963)

Housefly Monitor - flies with sensors
A living fly that is outfitted with sensors for surveillance work.

Lies, Inc. (1964)

Hubrizine
A drug that brings about greater alertness and cheerfulness.

We Can Build You (1972)

Human Quarter
A ghetto for human beings; in this case, in a world of robots.

James P. Crow (1954)

Hypno-Motor Control
A means of controlling the body remotely, cutting off the need for local control (ie, by your mind).

Sales Pitch (1954)

Ident Darts -track your brain
Unmanned aerial vehicles (UAVs) that track individuals.

The Electric Ant (1969)

Ident-Key
Allows the retrieval of a person's entire history of reading material, allowing the prediction of his future thinking.

The Penultimate Truth (1964)