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Cruise Control While cruise control was used in automobiles as early as the early 1900s, modern cruise control was invented in 1948 by American engineer Ralph Teetor. The idea came to him when he was a passenger in a car driven by his lawyer, who kept fluctuating the speed every time he spoke. Today, almost all cars are equipped with some form of cruise control. Cruise control, invented in the early 1900s, became popular on luxury vehicles, but has since become an essential and incredibly useful piece of automotive technology. Let's take a look at where cruise control comes from and how it works to make our daily life easier.
As an automatic transmission pioneer, Teetor already had experience with vehicle mechanics, so he decided to design a solution for his lawyer's driving behavior. The result was a system that calculated vehicle speed based on vehicle driveshaft rotations and used a two-way screw electric motor to vary the throttle position as needed. In 1950 Teetor was able to obtain a patent for a "speed control device to resist the actuation of the accelerator", and cruise control as we know it was born. Modern cruise control systems began to emerge in the 1990s, with manufacturers incorporating the most advanced digital technology into the design. Other systems such as LiDAR, radar, sonar and camera-based solutions were soon added, improving the car's ability to detect oncoming traffic, in turn helping the vehicle determine its speed and avoid potential collisions.
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