Abstract: A telecommunications terminal module (10) includes the following features. The terminal module (10) includes at least one location (36) for mounting a section (32,34, 64) of a telecommunications rack (12), the mounting location (36) is provided with surfaces (38,40,42) facing said section (32, 34, 64), and the surfaces (38, 40, 42) of said mounting location (36) are configured such that said terminal module (10) can be tilted from the condition as secured to said rack (12) relative to said section (32, 34, 64) about one rim (70) thereof.

Abstract: A detection system for monitoring an engineered structure includes an array of sensors disposable in a predetermined pattern on the engineered structure and disposable between a surface of the engineered structure and a protective coating substantially covering the surface. The detection system also includes a data acquisition system in communication with the array of sensors for retrieving data from the sensors. The array of sensors can provide data corresponding to at least one of a degree of cure of the protective coating, a health of the cured protective coating, and a corrosion rate of the engineered structure at each of the sensors.

Abstract: An optical fiber splicing and gripping device includes a material having first and second members hingedly attached. A gripping region is formed in the material that includes first and second gripping portions disposed on first and second inner portions of each of the members. The material further includes separate first and second clamping zones along a length of the gripping region. The optical fiber splicing and gripping device further includes a cap engageable with the material to selectively actuate the first clamping zone independently of actuating the second clamping zone.

Abstract: A telecommunications module includes a housing, a plurality of contacts, which are exposed to allow the connection of wires herewith, and a connecting device for connecting at least some of the contacts with other contacts of the telecommunications module, wherein the connecting device is partially accommodated in the housing an d partially extends outside the housing.

Abstract: A seal includes a body having an exterior surface configured for sealing engagement with an entry port of an enclosure. A plurality of passages extend from a first end of the body to a second end of the body. Each of the plurality of passages is configured to receive at least one component therein. A body slit extends from the first end to the second end, and passes through the body from the exterior surface to an interior point in the body. A plurality of passage slits extend from the first end to the second end. Each of the plurality of passage slits pass through the body from the interior point in the body to a corresponding one of the plurality of passages.

Abstract: A calibration system for a rotary encoder comprises a rotary encoder disposed on a manufacturing substrate, the rotary encoder including an encoder pattern. The calibration system also includes a calibration pattern written onto a surface of the substrate, the calibration pattern comprising a ring that includes a grating pattern, where a radial position of the grating pattern corresponds to an error value of the position of the encoder pattern. A method of calibrating the errors of a rotary encoder and a method of fabricating a high resolution rotary encoder on a surface of a manufacturing substrate are also provided.

Abstract: The present invention is directed to improving the yield in fiber terminating processing, and to preventing the occurrence of transmission loss due to stress concentration at an optical fiber bend or due to variations in ambient temperature. In one exemplary embodiment, a channel is sandwiched between adhesive layers and an optical fiber is passed through the channel.

Abstract: An optical connector for terminating an optical fiber comprises a housing configured to mate with a receptacle and a collar body disposed in the housing. The collar body includes a fiber stub disposed in a first portion of the collar body, the fiber stub including a first optical fiber mounted in a ferrule and having a first end proximate to an end face of the ferrule and a second end. The collar body also includes a mechanical splice disposed in a second portion of the collar body, the mechanical splice configured to splice the second end of the fiber stub to a second optical fiber. The collar body also includes a buffer clamp configured within a third portion of the collar body, the buffer clamp configured to clamp at least a portion of a buffer cladding of the second fiber upon actuation. A fiber distribution unit is also provided.

Abstract: A portable projection device comprises a housing, a handle, and an optical engine. The optical engine comprises an illumination source, an imaging system, and a wide angle projection lens that includes a first lens group of negative refractive power, the first lens group having at least one aspheric surface, a second lens group, and a third lens group of positive refractive power. For the wide angle projection lens, the following Conditions (1) to (4) are satisfied: |F1/F|?4.5 (Condition (1)); 2.5?|F2/F|?6.0 (Condition (2)); 3.8?|F3/F|?5.0 (Condition (3)); and 0.8?BFL/F?1.4 (Condition (4)). The portable projection device can be implemented as a personal gaming system and can also be configured as a portable, fully integrated video gaming system that allows gamers to plug in and play at nearly any location, with only a wall or other viewing surface being used to view the projected image.

Abstract: An enclosure includes a closable housing defining an internal cavity, the housing having an open position and a closed position. A pivot tray is mounted within the internal cavity of the housing and is pivotable between a secured position and an unsecured position when the housing is in the open position. In the secured position, the tray defines a first compartment on a first side of the tray and a second compartment on a second side of the tray. Only the second compartment is accessible when the housing is in the open position and the pivot tray is in the secured position.

Abstract: A splice holder device includes a tray mountable in a telecommunications closure, the tray including a splice mounting mechanism configured to receive a splice device. The splice holder device also includes first and second fiber clamps disposed on the tray, wherein the first and second fiber clamps are each configured to releasably secure a buffered portion of an optical fiber. The tray can include a single splice device, such as a mechanical splice, mounted therein or can include a plurality of splice devices mounted therein. The splice holder device can be configured to be securedly mounted in a telecommunications enclosure.

Abstract: A plug-type optical connector 10 is provided with a ferrule 22 and an aligning sleeve member 24. The aligning sleeve member 24 receives a portion of the ferrule 22 including an abutting end face 48 inside a bore 58 to prevent staining and damage and uses a movable shutter 54 to prevent light emitted through the ferrule 22 from leaking to the outside. The socket type optical connector 14 is provided with a ferrule 92 and a holding section 94. The optical connector 14 is not provided with an aligning sleeve member and further can hold a coated optical fiber by a holding section 94 behind the ferrule 92 by a radius of curvature of at least a prescribed minimum radius of curvature. Optical loss in the coated optical fiber can be reduced while effectively reducing the external dimensions in the direction of extension of the ferrule 92 at the time of use.

Abstract: A pipe comprises an outer surface and an inner surface, where the inner surface includes an abrasion resistant material layer covering a substantial portion thereof. An adhesive layer affixes the abrasion resistant material layer to the inner surface. The abrasion resistant layer can reduce and prevent erosion-corrosion of the inner surface of a pipe transporting slurry.

Abstract: A closure housing includes several housings. At least one of the housings is a concave housing with an open face. At least one layer, such as for example an elastomeric film or conformable sealant, is mounted on a circumferential perimeter portion of the concave housings across the open face of each of the concave housings. At least one layer, such as an elastomeric film, is adapted to interface one or more cables when the cables are interposed between the housings.

Abstract: A tubular housing is provided having an open face and a circumferential perimeter portion adjacent the open face of the housing. An elastomeric film can be mounted on the circumferential perimeter portion of the tubular housing across the open face of the tubular housing. The elastomeric film can be adapted to interface one or more cables when the cables are positioned within the housing to seal the cables from environmental conditions.

Abstract: A method is provided for making a closure housing for sealing. The method includes forming a plurality of housings. At least one of the housings is formed as a concave housing with an open face. The method also includes aligning one or more layers, such as for example an elastomeric film or conformable selant, on one or more of the concave housings in a substantially planar configuration across a circumferential perimeter of the open face of each of the concave housings. The method also includes securing the elastomeric films on the circumferential perimeter of the open face of each of the concave housings. The elastomeric films are adapted to interface one or more cables when the cables are interposed between the elastomeric films on the housings.

Abstract: A field termination platform and method for field termination of an optical fiber in an optical fiber connector are provided. The field termination platform includes a base configured to hold the optical fiber connector having a pre-assembled fiber stub. An actuation mechanism is disposed on the base to actuate a splice element of the optical connector and to actuate a buffer clamping portion of the optical connector. A fiber holder is provided to hold the optical fiber in the termination platform during termination.

Abstract: A front projection display device includes an optical engine including an illumination system, an imaging system, and projection optics. The projection optics include a first lens group of negative refractive power that has at least one aspheric surface. The projection optics output an image at a half field angle of at least 45°, where the image has substantially no distortion. For example, when the first lens group is placed at a distance of less than 1 meter from a viewing screen, the output image has a size of about 40 inches diagonal or greater, and requires substantially no keystone correction. In other aspects, the optical engine can be implemented in a wall-mounted projection system, a multimedia system, a compact integrated monitor system, and a portable projection unit.

Abstract: An adaptor for use with a telecommunications enclosure includes a body having a port extending therethrough from a first end of the body to a second end of the body. The first end of the body is configured for mounting within an opening of a telecommunications housing along a first axis. The port adjacent the second end of the adaptor is configured to receive a connection device receptacle therein along a second axis different from the first axis. A retention device is positioned adjacent the second end of the body and configured to retain a connection device receptacle within the port.