Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1986-06-19
1989-03-28
Masinick, Michael A.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
370 3, 455612, H04B 900, H04J 114
Patent
active
048172022
ABSTRACT:
The industrial installation comprises an active zone (III) with which there are associated means for measurement and for command and a control position (I) separated from the active zone. Means for measurement, for control and for command (15) located in the active zone are supplied with luminous radiations, from the control position, through an optical fibre (8) joining the active zone to the control position. Radiation having a broad spectral band is emitted in the fiber (8) from the control position (I) and then divided in order to obtain unitary radiations for supplying each of the means (15). The invention applies to nuclear reactors.
REFERENCES:
patent: 3845294 (1974-10-01), Indig et al.
patent: 4367040 (1983-01-01), Goto
patent: 4459591 (1984-07-01), Haubner et al.
Alessi et al.-"A Negative Ion Sputter"-Nuclear Instruments and Methods-North Holland Pub. Co.-147, No. 2 (Dec. 1977), pp. 305-312.
Ayers et al.-Solid State Optical Transmission System-IBM Tech. Discl. Bulletin, vol. 12, #8, Jan. 1970, pp. 1150, 1151.
Bouchet Jean M.
Lande Jean P.
Meyer Jacques
Framatome
Masinick Michael A.
Telesz Jr. Andrew J.
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