Casing for biometric sensor, for detecting finger prints

摘要

The casing has a finger guide aid in the form of a recess (3). The recess is adapted to fit the front part of a finger and has a front stop for the finger tip. The recess (3) preferably has side walls (6) and a front wall (7), to form a U-shaped stop. Preferably, at least part of the surface of the recess is formed as an earth contact surface (10). Preferably at least part of the recess is translucent and has a back light to light up the recess.