Closed-circuit television (CCTV) was invented in the 1940s and 1950s.
The earliest systems were primarily used for surveillance in industrial and
military applications.
Over the years, the technology behind CCTV has improved and the cost of
cameras and recording equipment has decreased, making CCTV increasingly accessible
for a wide range of purposes. Today, CCTV is used for a variety of
applications, including:
Security and surveillance: To monitor and protect homes, businesses, and
other properties
Traffic control: To monitor and manage traffic flow in busy urban areas
Law enforcement: To assist police in monitoring and solving crimes
Retail: To monitor customer behavior and prevent theft
Healthcare: To monitor patients and assist in medical procedures
There are many different types of CCTV cameras, including:
Analog cameras: The original type of CCTV camera, which transmit video
signals over coaxial cables
IP cameras: Cameras that transmit video signals over a network, allowing
for remote viewing and control
Dome cameras: Cameras that are mounted inside a dome for protection and
aesthetics
PTZ cameras: Cameras that can pan, tilt, and zoom for a wider field of
view
Hidden cameras: Small cameras that can be concealed in a variety of
objects for covert surveillance
Today, CCTV is widely used around the world and has become an essential
tool for security and surveillance. The use of CCTV has helped to improve
safety and security in a variety of settings and has played a critical role in
solving crimes and improving public safety.