Input device for an electrical unit, e.g. a PDA or smart phone, is attached to a fastening arrangement, which in turn can be attached to a worn item, especially a wristwatch

摘要

Input device (1) for an electrical unit has an input module (2) for detecting an input command and information exchange unit for exchanging information between the input unit and the electrical unit. The input module is attached to a fastening arrangement, which in turn is attached to a wrist strap (3).