A headset is adapted to be positioned on a head and includes a headband assembly for spanning across the head of a user, an earcup assembly coupled proximate one end of the headband assembly, and a power source assembly coupled proximate the other end of the headband assembly. A flexible stabilizing...http://www.google.co.uk/patents/US7773767?utm_source=gb-gplus-sharePatent US7773767 - Headset terminal with rear stability strap
