Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1989-03-13
1990-08-07
Healy, Brian
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
350 9620, 350 9621, 350 9622, 350320, 455606, 455612, 455617, 370 3, G02B 628, G02F 100, H04B 900
Patent
active
049462440
ABSTRACT:
A method and apparatus are disclosed for providing a fiber optic distribution network between a central office and a group of users generally in a localized area. The apparatus utilizes a continuous optical fiber primary loop in communication with the central office and passing in the vicinity of each user. Each user is connected to an optical fiber in the primary loop in a manner which provides protection against breaks in the primary loop. Embodiments of the apparatus in which a plurality of users are connected to a single optical are also disclosed.
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Healy Brian
Pacific Bell
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