Cruise control mounted on a 2000 Jeep Grand Cherokee steering wheel. Cruise control (sometimes known as speed control or autocruise, or tempomat in some countries) is a system that automatically controls the speed of a motor vehicle.The system is a servomechanism that takes over the throttle of the car to maintain a steady speed as set by the driver.n an engine the governor adjusts the throttle position as the speed of the engine changes with different loads, so as to maintain a near constant speed. Modern cruise control (also known as a speedostat or tempomat) was invented in 1948 by the inventor and mechanical engineer Ralph Teetor.
Medical Definition of American Journal of Public Health. American Journal of Public Health: A monthly journal that publishes original research articles that are peer-reviewed in both general and specialized areas of the science, art, and practice of public health.
The current WHO definition of health, formulated in 1948, describes health as âa state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.â1 At that time this formulation was groundbreaking because of its breadth and ambition.