Optical waveguides – Accessories – Bushing structure
Patent
1996-03-07
1997-08-19
Healy, Brian
Optical waveguides
Accessories
Bushing structure
385 12, 385100, 385101, 385134, 174705, G02B 600, H02G 300
Patent
active
056596510
ABSTRACT:
Disclosed is a submarine repeater structure which has: a cylindrical pressure-tight case in which an electronic circuit is accommodated and sealed; a connecting ring for connecting a terminal portion of a submarine cable; an ocean observation instrument for detecting a variation of frequency difference between a pressure-sensitive crystal and a reference crystal to measure a pressure; and a case for accommodating and sealing the ocean observation instrument; wherein the accommodating and sealing case is attached to an end portion inside the connecting ring.
REFERENCES:
patent: 4283114 (1981-08-01), Wandrack
patent: 4505540 (1985-03-01), Furusawa et al.
patent: 4598290 (1986-07-01), Collins et al.
patent: 4648082 (1987-03-01), Savit
patent: 4717232 (1988-01-01), Priaroggia
patent: 4799752 (1989-01-01), Carome
patent: 5131062 (1992-07-01), Eide et al.
patent: 5345522 (1994-09-01), Vali et al.
Healy Brian
NEC Corporation
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