Abstract: A monitoring system for a car (10) having a top (12) movable along a path of movement is disclosed as including a number of pairs of infrared (IR) transmitters (22a, 22b) and infrared (IR) receivers (24a, 24b), in which each IR receiver is adapted to receive IR signals transmitted by a respective IR transmitter, and output means (52), in which the IR transmitters and IR receivers are positioned on each side of the path of movement of the top, and, in operation, the output means is adapted to produce an audio and/or visual output if at least one of the IR receivers receives no IR signals from the respective IR transmitter.

Abstract: A wireless monitoring system, for example for monitoring infants, includes an infant terminal monitoring unit 10 and a parents terminal monitoring unit 12. The infant terminal monitoring unit 10 includes an image sensor module 14 and a microphone 18 for gathering image and voice information respectively, and associated modules for processing the gathered image and voice information. Gathered image and voice information is transmitted to the parents terminal monitoring unit 12 via a wireless data link, and the parents terminal monitoring unit 12 includes plurality of modules for processing the received image and voice information and a speaker 28 and a display screen 32 for relaying the received information.