Patent ID: 7171062

Claim:
A fingerprint identification apparatus, comprising: a contact image sensor (CIS) module movably arranged on a base having two upper guiding grooves and two lower guiding grooves formed therein; a keyswitch having a transparent plate for finger-tactility, and the keyswitch having relative movement with respect to the CIS module; a restoring means composed of four springs arranged on four corners between the base and the keyswitch for providing a restoring force to the keyswitch; and a link means composed of at least two link rod sets provided between the keyswitch and the base, and each of the link rod sets having a plurality of link rods pivotally connected to one another by pivotal shafts, wherein bottom portions of the link rod sets are received within the lower guiding grooves and top portions of the link rod sets are received within the upper guiding grooves for expanding or retracting the link rods.