infrared beam

At the point of focus, with a good focusing tool, the infrared beam is strong enough to set paper on fire.

At the low level of energy needed for networking, researchers say, infrared beams cannot hurt the eyes or anything else.

However, if an object blocked the infrared beam, communications would be cut off.

In response came the glare of the pinkish light, sent out by the infrared beam.

The monitor's sensor sends an infrared beam of light through the thumb.

Anyone leaving their Buggy would interrupt an infrared beam and stop the ride system.

The rock glittered in the infrared beam her helmet lights gave off.

This breaks the infrared beam and reflects light back to the projector.

These three cameras, I should point out, all have active (infrared beam) automatic focusing.

The other was the reflecting mirror used to focus the infrared beam before it is deflected into space.

Wave an arm anywhere in the path of its infrared beam, and it shuts up for eight minutes.

Once the car enters the tunnel, it passes through an infrared beam between two sensors, called eyes.

On the other hand, don't "ask" the Genesis to focus through a window, since its infrared beam will merely bounce off the glass.

But consumers can readily use infrared beams as night vision flashlights when there isn't enough available light.

Other embedded sensors project two infrared beams over the road that are used to time traffic and determine its speed.

Somewhere on the property they have infrared beams.

Down here, dust hung suspended in the air, diffusing the infrared beams.

Heat seekers used infrared beams to pick up the body heat of a human being.

Participants had to aim the cellphone at the reader in a certain way for the infrared beam to be picked up.

Fire trucks have a similar device, called an Opticon, that uses an infrared beam.

Energy is transmitted to the climber using a high-power infrared beam.

The infrared beams are picked up by the sensor and an image is displayed in the instrument cluster.

So a green pointer first uses a diode that produces an infrared beam.

The sensor chip determines where infrared beam was broken.

Ford is looking at technology in which infrared beams are used to detect the proximity and temperature of an occupant.