Some municipalities have push buttons or automatic sensors labeled for bicyclists only.

In addition, automatic sensors scanned the area for indications of metal or high energy sources, such as powered blasters.

The panels can be adjusted independently or together, through the use of computers, locks and automatic sensors.

I didn't see an automatic sensor.

The wall switch that controlled the door's automatic sensor had been turned off.

Peron and Elissa chose to sleep outside, protected by automatic sensors and the car's warning system.

Every space suit had, in addition to a voice transmitter, a miniature automatic sensor hooked up to the respirator.

A new automatic sensor also cleans the lens by rolling dust off with a wavelike motion.

"But you people posted automatic sensors," he pointed out.

It can navigate inclines and has automatic sensors to prevent it from colliding with other objects.