Dichroic transducer

Details Dichroic transducer Dichroic transducer

1979-12-06

1981-08-18

Stellar, George G.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

179138, 455614, H04R 2300

Patent

active

042848580

ABSTRACT:
A dichroic transducer is disclosed including a light source, a film containing a dichroic material in the path of the light beam and an acoustic information-containing wave, and a detector in the path of the modulated light beam for detecting the intensity thereof. The detector may preferably be a fiber optics pickup device.

REFERENCES:
patent: 3470329 (1969-09-01), Young

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