Telescent Inc.

Keith Wayne Reynolds

Anthony Stephen Kewitsch

Giuseppe Bondi

Michael Bijan Ahmadi

A fiber optic cable tray system with a three dimension array of pulleys is disclosed, comprised of a central, stacked linear array of flexible, low friction through guides attached to substrate, and a multiplicity of the length buffers arrayed on the substrate, wherein the length buffers each include a spring-loaded moving sled with a multiplicity of freely rotating pulleys on a moving common shaft, and a spaced-apart fixed common shaft with an equal multiplicity of freely rotating pulleys thereon, wherein the fiber optic cable wraps in a repeated circuit around opposing sets of pulleys on the moving shaft and on the fixed shaft and is routed through one of the low friction through guides to a fiber optic connector at the distal fiber end. Multiple identical trays can be stacked on top of one another within a common housing, to produce modules with a number of cables in multiples of 12.

Fiber optic tensioning pulley sub-system

A device and methods for cleaning an end of a fiber optic cable including a cleaning cartridge system for dispensing and usage monitoring of fiber end face cleaning fabric. The cleaning cartridge system includes a spool of cleaning fabric; an actuator that drives a fabric advance roller; a pressure sensor that detects when a fiber end face is in contact with fabric and outputs a contact-indicating signal; an internal control circuit that drives the actuator to advance the cleaning fabric in time-relation to the contact-indicating signal; and an external controller that determines proper advance of the cleaning fabric and consumption of the cleaning fabric over time. Methods of maintaining low loss physical fiber-optic connections in an automated cross-connect system use the cleaning device and methods.

Fiber optic cable cleaning sub-system in robotic fiber optic cross-connect systems, sub-systems, devices and methods

A tensioning spool apparatus for storage of optical fiber exhibiting reduced variation of tension during a retraction cycle versus an extension cycle of fiber over a predefined range of spool rotation cycles, the optical fiber dynamically extended under tension from the spool.

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Carlsbad, CA, United States of America

Keith Wayne Reynolds