Patent ID: 8190129

Claim:
A unitary mobile apparatus for authentication comprising: a single short wireless transceiver, wherein said unitary mobile apparatus stores at least one code selected from the group consisting of: a digital key, an encrypted digital key, user information; wherein said unitary mobile apparatus can send said at least one code wirelessly to a second paired device within proximity, wherein said second paired device is previously paired to said unitary mobile apparatus; an onboard biometric sensor means selected from the group consisting of: a microphone, an accelerometer, a fingerprint scanner, an iris scanner; wherein upon receipt of a request to provide biometrics information from said second paired device, said unitary mobile apparatus switches to biometrics capture mode, said unitary mobile apparatus captures a sample of biometric information selected from the group consisting of: voice, movement in two-dimensional space, movement in three-dimensional space, a fingerprint, an iris scan; wherein said biometric information is compared to at least one set of reference user biometric information; wherein said biometric information is authenticated; wherein said unitary mobile apparatus has a volume smaller than 30 cm3; wherein said unitary mobile apparatus has an LCD smaller than 3 cm2; wherein said unitary mobile apparatus has a memory smaller than 100 Mega Bytes, an onboard alarm, wherein upon detection of a drop of connection to said second paired device, said unitary mobile apparatus can issue an audible alarm.