G02B6/504

Method and apparatus for tamper detection along enclosed or buried conduction media using fluorescent optical fiber

A method of detecting tampering with a conveyance medium may include determining a baseline brightness level detected at opposing ends of an optical fiber segment disposed proximate to the conveyance medium, determining whether a change in brightness above a threshold level occurs, and providing an output indicating that a breach in continuity of a shielding material that shields both the conveyance medium and the optical fiber segment from exposure to ambient light has occurred in response to the change in brightness being above the threshold level.

Point-to-point fiber insertion

Novel tools and techniques are provided for implementing point-to-point fiber insertion within a passive optical network (PON) communications system. The PON communications system, associated with a first service provider or a first service, might include an F1 line(s) routed from a central office or DSLAM to a fiber distribution hub (FDH) located within a block or neighborhood of customer premises, via at least an apical conduit source slot, an F2 line(s) routed via various apical conduit components to a network access point (NAP) servicing customer premises, and an F3 line(s) distributed, at the NAP and from the F2 Line(s), to a network interface device or optical network terminal at each customer premises via various apical conduit components (e.g., in roadway surfaces). Point-to-point fiber insertion of another F1 line(s), associated with a second service provider or a second service, at either the NAP or the FDH (or outside these devices).

Compression and stretch resistant components and cables for oilfield applications

An opto-electrical cable may include an opto-electrical cable core and a polymer layer surrounding the opto-electrical cable core. The opto-electrical cable core may include a wire, one or more channels extending longitudinally along the wire, and one or more optical fibers extending within each channel. The opto-electrical cable may be made by a method that includes providing a wire having a channel, providing optical fibers within the channel to form an opto-electrical cable core, and applying a polymer layer around the opto-electrical cable core. A multi-component cable may include one or more electrical conductor cables and one or more opto-electrical cables arranged in a coax, triad, quad configuration, or hepta configuration. Deformable polymer may surround the opto-electrical cables and electrical conductor cables.

ROAD ADHESIVE PRIMER SPRAY APPLICATOR

Embodiments of the disclosure relate to an applicator for an adhesive primer. The applicator includes a tank configured to hold the adhesive primer. The applicator also includes a peristaltic pump, having an inlet and an outlet, and a spray nozzle. A first conduit extends from an interior of the tank to the inlet of the peristaltic pump, and a second conduit extends from an outlet of the peristaltic pump to the spray nozzle. Embodiments of the present disclosure also relate to a method of applying adhesive primer to a road surface using the applicator. In the method, the adhesive primer is pumped from the tank containing the adhesive primer through the peristaltic pump to the spray nozzle. Further, the adhesive primer is sprayed from the spray nozzle onto the road surface while the applicator moves across the road surface.

Apical Radiator

Novel tools and techniques are provided for implementing FTTx, which might include Fiber-to-the-Home (FTTH), Fiber-to-the-Premises (FTTP), and/or the like. A method might include routing an F1 line(s) from a central office or DSLAM to a fiber distribution hub (FDH) located within a block or neighborhood of customer premises, via at least an apical conduit source slot. From the FDH, an F2 line(s) might be routed, via any combination of various apical conduit components, to a network access point (NAP) servicing one or more customer premises. An F3 line(s) might be distributed, at the NAP and from the F2 line(s), to a network interface device (NID) or optical network terminal (ONT) at each customer premises, via any combination of the apical conduit components, which include channels in at least portions of roadways. In some embodiments, at least one wireless access point is disposed in each of one or more channels.

Saw blade, a sawing machine and a system thereof

A saw blade for a sawing machine for cutting micro trenches for receiving at least one duct or cable. The saw blade includes coding elements such as holes, depressions or protrusions. The holes, depressions or protrusions form at least one code symbol representing a unique identity (ID) for the saw blade.

Logging-while-drilling optical fiber communication device

A logging-while-drilling optical fiber communication device includes a rotary wireless transceiver module fixed on a protective connector; an active antenna of the rotary transceiver is placed in the first drill pipe by drilling hole through the protective connector; an optical fiber communication drawworks is located at the top of a second drill pipe, the optical fiber is downwardly released into other under-well drill pipes, the bottom of the optical fiber is connected with the well-bottom wireless receiving module; the lowest part of the drill pipe are provided with a drilling data acquisition device and a well-bottom wireless transmitting module. In the present invention, the optical fiber cable is used as transmission medium, by the means of modulating information data obtained by well logging into optical wave, and transmitting to the optical communication link, high-speed bi-directional transmission of well logging information can be realized.

Method for placing at least one duct/communication cable below a road surface in an area
10385524 · 2019-08-20 · ·

A method for placing at least one duct/communication cable below a road surface in an area. The area comprises a first layer and a second layer, the first layer being a road layer, such as asphalt or concrete, and the second layer being a bearing layer for the first layer and being located below the first layer. The method comprising the steps of cutting a micro trench in the area through the first layer into the second layer, placing at least one duct/communication cable in the micro trench so that that duct/communication cable is placed below the first layer, and filling the micro trench so as to restore the road surface.

FIBER OPTIC CONNECTOR WITH INTEGRATED REAR FIBER TUBE
20240159975 · 2024-05-16 ·

A fiber deployment system is suitable for field installed fiber tubes such as blown fiber tubes. The fiber deployment system includes a fiber optic connector including a housing assembly having a connector body and a fiber tube attached at a rear end of the connector body. A ferrule assembly mounted on a deployable fiber can be loaded into the connector body through the fiber tube. The fiber tube can be coupled to a field installed fiber tube by a tube coupler.

Milled roadway features for cable and tape pathways

A device for applying a distribution cabling tape system includes a distribution cabling tape having an adhesive capable of adhering to a concrete or asphalt substrate and a distribution cable. The device includes an endoscope camera, wherein movement of the device in one direction simultaneously applies both the distribution cable and the distribution cabling tape at a location on the substrate viewable by the endoscope camera. A method for registering a cable and a cabling tape into a channel in a concrete or asphalt substrate includes using an endoscope to view the location at which the cable and cabling tape are applied.