closed-circuit

Not publicly broadcast

Closed-circuit describes a system where signals travel through a contained loop rather than broadcasting openly.

A closed-circuit television (CCTV) system sends video to specific monitors rather than transmitting publicly: The store's closed-circuit cameras captured the theft.

The term comes from electrical circuits that form complete, unbroken paths.

surveillance

CCTV

Surveillance camera network

observation · recording · footage · video · watchfulness · detection · evidence · guarding · screening · patrol

technology

television

Broadcast viewing device

feed · video · audio · analog · digital · encoder · decoder · multiplexer · coaxial · receiver

system

loop

Curve closing on itself

cycle · circulation · pathway · integration · control · network · self-contained · internal · isolated · contained

secure

encrypted

Transformed into cipher

restricted · authentication · isolated · internal · tamper-proof · dedicated · local

Opposites
signal transmission scope

closed-circuitbroadcast

Transmitted media signal

open-air · over-the-air · network television · streaming · satellite transmission

system architecture

closed-circuitopen-loop

Without feedback control

interconnected · networked · distributed · public network · open system

Family

closed, circuit, close, closes, closing, closer, closest, closeness, closure

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G