System for detecting modulated laser signals

Coherent light generators – Particular component circuitry – Optical pumping

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372 32, 372 29, 372 25, H01S 300

Patent

active

053175824

ABSTRACT:
A system (10, 80) for detecting modulating laser signals having a memory (28) for storing the occurrences of a plurality of different pulse intervals in accordance with at least one preselected characteristic of the different pulse intervals and outputting a signal when a weighted sum of the number of different pulse intervals counted exceeds a preselected threshold number.

REFERENCES:
patent: 4709369 (1987-11-01), Howard
patent: 5084887 (1992-01-01), Ohashi
patent: 5208819 (1993-05-01), Huber
patent: 5212700 (1993-05-01), Okita

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