Noun
a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
Source: WordNetclosed circuit television
Because of the high levels of radioactivity involved, all work in the separation plants had to be conducted by remote control using closed-circuit television, something unheard of in 1943. Source: Internet
Many of their proposals actually increase police funding, particularly for surveillance technologies like body-worn cameras and closed-circuit television (CCTV) cameras. Source: Internet
Deacons, religious, seminarians, benefactors, faculty and staff filled the main chapel or watched the services on closed-circuit television from the crypt. Source: Internet
The MBTA also maintains several closed-circuit television facilities located throughout its service area. Source: Internet
The Peenemünde establishment also developed other techniques, such as the first closed-circuit television system in the world, installed at Test Stand VII to track the launching rockets. Source: Internet
These measures include closed-circuit television on street corners. Source: Internet