Optical system for e.g. detecting iris, of eye rear side of operating person for retina scan for personal control of controllable functionality of firearm, has optical scanning device detecting portion of electromagnetic beam

摘要

The system (10) has an optical utilization device (100) e.g. telescope, with a pre-defined optical path (106) between an optical input (102) and an optical output (104) for optical imaging of an object to be detected or a scenery (20) on an eye rear side (30a) of a human eye (30) of an operating person. An optical scanning device (300) couples an electromagnetic beam (304) into the pre-defined optical path of the utilization device in a direction of the output, and detects a portion (308) of the beam, where the portion is reflected or repelled from a region of the rear side into the path. The optical scanning device comprises a radiation source e.g. laser, laser diode or LED, for producing the electromagnetic beam. The optical utilization device is formed as a spy-glass, a periscope, an endoscope, a microscope, a camera or a measuring device. INDEPENDENT CLAIMS are also included for the following: (1) a method for controlling functionality of an optical system (2) a device with controllable functionality, comprising an optical system (3) a computer program with a program code to perform a method for controlling functionality of an optical system.