SPECTRAL EMITTERS; DETECTORS FOR MEASURING SPECTRAL RADIATION AND BIOMETRIC PARAMETERS; TRANSDUCERS THAT CONVERT SPECTRAL RADIATION TO AN ELECTRIC SIGNAL; ELECTRIC OR ELECTRONIC SENSORS FOR MEASURING SPECTRAL RADIATION; CIRCUIT BOARDS; INTEGRATED CIRCUITS; INTEGRATED CIRCUIT CORES FOR BIOMETRIC DEVICES; BIOMETRIC READERS; TISSUE ANALYZERS; SECURITY DEVICES, NAMELY, ACCESS CONTROL DEVICES; LIVENESS DETECTORS; AND SOFTWARE AND FIRMWARE FOR TISSUE ANALYSIS, SENSOR CONTROL, BIOMETRIC ANALYSIS, ACCESS CONTROL, AUTHENTICATION, AND LIVENESS ANALYSIS
Electrical and Scientific Apparatus