**Electronic Eye Precision:** Ever noticed that inconspicuous dot just after the first letter on your license plate? This seemingly trivial detail actually holds significance—it's made from rare earth metals and serves as a focal point for the electronic eye. A global license plate manufacturing standard mandates the inclusion of this dot. Crafted from rare earth metals, it generates a subtle microwave signal when exposed to light, facilitating the electronic eye's accurate focusing.   **Red Light Violation Monitoring:** At intersections adorned with electronic eyes, you might have observed those distinctive diamond-shaped grooves etched into the pavement, both...

When it comes to installing security surveillance equipment, the first crucial decision is selecting the monitoring host: should you opt for a computer with a surveillance card or an embedded digital video recorder (DVR)? The computer surveillance card suits places with specialized personnel and diverse functional requirements, offering a relatively low overall investment. However, since it involves adding a surveillance card to a computer, the computer needs to remain on 24/7. On the other hand, the embedded DVR requires no specialized knowledge or constant monitoring, making it a straightforward option.The number of cameras to install and...

In the pre-1960s era, manufacturing, industrial, and government organizations employed security personnel, commonly known as "watchmen," to protect their facilities. These private security personnel, donning uniforms and using equipment similar to that of the police, were hired to prevent criminal activities from occurring. As World War II began, the number of private security personnel increased significantly, and many were hired to safeguard factories, manufacture military equipment, and secure government facilities.In the early 1960s, with the advancement of electronic technology, alarm systems and video surveillance were introduced. Pioneering companies like RCA, Motorola, and General Electric manufactured vacuum-tube...