Monitoring light sensitive electronic components

Details Monitoring light sensitive electronic components Monitoring light sensitive electronic components

1979-10-30

1982-04-06

Rolla, Joseph J.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Signalling, indicating, or display means

209576, 209589, 209546, 250252, B07C 5342

Patent

active

043231594

ABSTRACT:
This invention relates to apparatus for continuously monitoring a light sensitive electronic component, forming part of a device for detecting light pulses of a specified character, the apparatus comprising a light source directing light through fiber optics at the component, the source being pulsed by a pulse generator which also sets an alarm monitor connected to operate a switch having its input taken to the component, the switch output being connected to a voltage sensor for resetting the alarm monitor if a signal received from the switch is above a predetermined minimum, the alarm monitor being adapted to activate an alarm if not reset.

REFERENCES:
patent: 3082871 (1963-03-01), Duncan
patent: 3225195 (1965-12-01), Scherbatskoy
patent: 3880750 (1975-04-01), Butler et al.
patent: 4060726 (1977-11-01), Luitwieler et al.
patent: 4187426 (1980-02-01), Jordan
patent: 4212397 (1980-07-01), Bockelmann

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