What is "closed-circuit"

Usage examples of "closed-circuit".

There were television trucks with satellite hookups, a mobile telephone bank, a room full of closed-circuit television monitors for the dozens of reporters.

The officers have available an Emergency Response Communications Command Post equipped with STU-III secure cellular telephones and encrypted closed-circuit television systems.

Doc put her in charge of the private grid of talk-box cameras set up throughout his headquartershis version of a closed-circuit security camera network.

It was, in fact, a command complex whose main feature was an operations rooms with maps, a bank of closed-circuit television monitors and a panel for firing SLAM (surface-launched air missile), which is simply a cluster of Blowpipe missiles mounted on a pylon with an electronic package for remote-control firing and radio-command guidance.

The room reminded Catlin of the Museum of the Asias basement workshop, except for the closed-circuit TV cameras set inconspicuously at opposite corners of the dropped ceiling.

Closed-circuit TV gave the ground team a pilot-eye view of the dartlike fuel carrier being overtaken by the orbiter.

There were dark fluorescents embedded in the tunnel's roof, and the blank glass eyes of closed-circuit TV cameras.

Later on, when he was performing his heroics in the engine room, it was because conditions there were better, conditions outside worse-- and because by -going into the engine room he was entitled to a closed-circuit breathing set.

He wondered whether they had witnessed the chase on the closed-circuit tele­vision monitors that had first detected Hobe Caulkins.

The analogue was to a tiny closed-circuit transmitter that brought all the elements of thought to the forebrain for assembly and coherent interpretation, much as a computer would assemble the elements in its memory within its central processing unit and then transmit them to an output device.

Fortunately, Fitz was by now sober enough to point out the closed-circuit television to her.

The closed-circuit intercom suddenly buzzed, and Novotny turned to see the project engineer's face on the small viewer.

In four separate experiments involving seventy-six sessions, the active participant sat in an office cubicle and stared intently, off and on according to a set of randomized instructions, at a closed-circuit TV-monitor image of the distant person.

The Virage was a stable craft and they could stand while helping each other slip into their oxygen closed-circuit rebreathers, of a type used by the military for shallow-water operations.

While I pronounced Words of Passage over the body, he declared, he would turn on the closed-circuit Telerama, as was his wont at the end of a Spring-Carnival party, so that the assemblage could watch the Sunrise Service on Founder's Hill, and the first rays of morning strike Tower Clock.