closed-circuit

Describes a system, typically electronic or televisual, in which the signal is transmitted only to a limited number of receivers, as opposed to being broadcast publicly.

• 🇩🇪Beschreibt ein System, meist ein elektronisches oder fernsehtechnisches, bei dem das Signal nur an eine begrenzte Zahl von Empfängern übertragen wird, im Gegensatz zum öffentlichen Rundfunk.

1. Closed electrical circuit B2 formal technical

   Relating to or consisting of a complete electrical circuit through which current can flow.

   • The technician checked the closed-circuit wiring for any faults.
   • A closed-circuit system ensures continuous power flow.
   • The device operates only when the closed-circuit connection is intact.

   🇩🇪geschlossener Stromkreis

   Synonyme: closedcompletecontinuousunbroken

2. Closed-circuit television (CCTV) B1 formal technical

   Relating to a television system in which signals are transmitted to a limited set of monitors, typically for surveillance.

   • The building is monitored by a closed-circuit camera system.
   • Closed-circuit television helps prevent theft in stores.
   • They installed closed-circuit cameras in the parking lot for security.

   🇩🇪geschlossenes Fernsehsystem

• more closed-circuit comparative form
• most closed-circuit superlative form