Light coupled read-out system for noise dosimeter

Details Light coupled read-out system for noise dosimeter Light coupled read-out system for noise dosimeter

1977-06-03

1978-07-18

Queisser, Richard C.

Measuring and testing

Vibration

By mechanical waves

361171, G01H 312

Patent

active

041008103

ABSTRACT:
A read-out system for a portable noise dosimeter uses light coupled signals to obtain a noise level read-out display. The light signals are coded to effectively prevent extraneous light signals from causing read-out.

REFERENCES:
patent: 3772650 (1973-11-01), Baskerville et al.
patent: 3884086 (1975-05-01), Steger
patent: 4028947 (1977-06-01), Cowen

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