1.   A new technology called Arial View uses badges that emit infrared signals every two seconds to monitor electronically the exact location of employees.

2.   But all have a line of LEDs on the front which provides the infrared signal.

3.   But for serious typing, users will have to buy an optional keyboard that will beam information to the WebTV unit by an infrared signal.

4.   In each case, no wires, no infrared beam and no little brother blocking the infrared signal.

5.   It uses infrared signals to communicate.

6.   Made by Eleven Engineering, based in Canada, Airplay uses radio waves, which are more reliable than the infrared signals used by television remote controllers.

7.   Most of these keyboards work the way TV remotes do, with infrared signals.

8.   On the third try, he saw two flashes of infrared signals across the black water and sloshed toward them across razor-sharp oyster beds.

9.   Personal data assistants enable users to send information across short distances through infrared signals.

10.   Remote-controlled electronics such as televisions and VCRs are controlled through boxes that emit infrared signals.