Technique for detecting and identifying certain objects

Details Technique for detecting and identifying certain objects Technique for detecting and identifying certain objects

1991-02-15

1995-02-14

Hellner, Mark

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

382 17, G06K 946

Patent

active

053897900

ABSTRACT:
There is disclosed herein a technique for detecting and/or identifying a particular object from which electromagnetic radiation is emitted or reflected at an intensity which fluctuates in accordance with a frequency pattern unique to that object. In accordance with the technique, the fluctuating electromagnetic radiation is detected by suitable equipment which can operate across an optical bandwidth extending from the ultraviolet (200 nm) to the infrared (14 micrometers) spectrum. The detected electromagnetic radiation is converted to an electrical signal having the same unique frequency pattern as the electromagnetic radiation itself. This electrical signal, its frequency pattern serving as an identifying signature of the object in question, is used to detect, track, and/or identify the object.

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