Data was about to report his findings to the captain when the proximity detectors sounded yet another collision warning.

Picard snapped, his words overlapping the warning from the proximity detectors.

In any case, the proximity detector said no one was close enough to get in the way, so he simply tried to ignore the feeling.

To his proximity detector, the lift felt empty.

If for some reason the proximity detector did not work properly, a timer would set it off just moments before its estimated time of collision.

On one end of the stick, there's a proximity detector.

He no longer needed a proximity detector to sense an attack coming, or to know what to do about it.

I want to use the probe as a proximity detector.

Not even proximity detectors registered any contact with the shell's mysterious, black alloy.

I am unable to mask us from proximity detectors.