Vibration detection and analysis system employing an intrinsic s

Details Vibration detection and analysis system employing an intrinsic s Vibration detection and analysis system employing an intrinsic s

1973-06-14

1976-07-06

Wilbur, Maynard R.

Communications: electrical

Selective

System having rectifier

307318, 73 69, 317 18C, G01S 380, H02H 102

Patent

active

039684725

ABSTRACT:
An intrinsic safety barrier for use in combination with electromagnetic transducers which are intended to generate alternating current signals in hazardous zones and to transmit such alternating signals out of the hazardous zone to remote signal-responsive installations. The intrinsic safety barrier permits transmission of alternating current signals without significant distortion and yet precludes introduction of surges of electrical energy into the hazardous area.

REFERENCES:
patent: 3182744 (1965-05-01), Vogel
patent: 3365617 (1968-01-01), Flanagan
patent: 3412268 (1968-11-01), De Ford
patent: 3422397 (1969-01-01), Lagoe
patent: 3527985 (1970-09-01), Brown
patent: 3734233 (1973-05-01), Wiley
W. I. Hickes, "Intrinsic Safety", Chemical Engineering, May 1, 1972, pp. 64-66.
Motorola- Zener/Rectifier Handbook, p. 91.

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