Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1978-07-20
1980-02-05
Gruber, Felix D.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250199, H04B 900
Patent
active
041874048
ABSTRACT:
A telephone set for optical fibers lines having a coupler for directing a first part of the light received from the input optical fiber on a photo-cell and a second part of this light on a microphone modulating this second part without electrical intermediate apparatus, the photo-cell feed alternately a bell or a receiver, and the light modulated by the microphone is directed via a dialling system on the output optical fiber.
REFERENCES:
patent: Re15070 (1921-03-01), Willis
patent: 796254 (1905-08-01), Hartmann
patent: 2599368 (1952-06-01), Bruce et al.
patent: 3409369 (1968-11-01), Bickel
patent: 3891940 (1975-06-01), Sekiguchi
patent: 4088885 (1978-05-01), Meslener
D'Auria Luigi
Deman Pierre
"Thomson-CSF"
Gruber Felix D.
Kemeny E. S.
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