Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1989-04-05
1990-07-10
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
356 731, H01J 516
Patent
active
049408925
ABSTRACT:
A system for monitoring discontinuities in optical power transmitted through a fiber optic connector subjected to environmental stress is disclosed. Discontinuity events are defined in terms of amplitude and duration. The monitoring system comprises a detector unit, a fiber optic interface unit and a discontinuity monitor. The detector unit converts the optical signal supplied by the fiber optic connector to electronic form. The fiber optic interface unit determines the amplitude of discontinuities and the discontinuity monitor determines the duration of discontinuities.
REFERENCES:
patent: 4468117 (1984-08-01), Hartovni et al.
patent: 4606632 (1986-08-01), Hillerich
patent: 4654580 (1987-03-01), Keller
patent: 4741616 (1988-04-01), So et al.
patent: 4749247 (1988-06-01), Large
Fisher David W.
Frishkorn Eric T.
AMP Incorporated
Nelms David C.
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