A scent dispersing apparatus, such as a mat, capable of enclosing a scent-containing element inside an air-filled cavity. The micro switch generates a signal for controlling the amount of water to be filled in an ice tray. Computers and other devices with complementary wireless personal network communications protocol units may connect to a wireless wide area network through the remote access unit. By packaging portions containing amplification media, an optical amplifier can be made small. The location of the mobile radio terminal is determined and is made available to the mobile radio system when a call request is addressed to the receiver by the mobile radio terminal. Accordingly, a system is provided for a time multiplexed, multiple laser system which automatically co-aligns the output beams from each of the lasers to a single spatial reference point in real time.