1685results about "Gaseous cathodes" patented technology

Systems and method for installing computer equipment and power distribution equipment in facilities is provided. In one aspect, the present invention provides a power distribution rack, and uninterruptible power supply rack and a plurality of equipment racks. A plurality of power cables are run from the power distribution rack to each of the plurality of equipment racks using power cable tracks located on the roofs of the equipment racks.

In one embodiment, a device for coupling communications signals onto a medium-voltage power line includes a first connector, a second connector and one or more components. The first connector is adapted to couple to a low-voltage communications line. The second connector is adapted to couple to a surge arrester. The one or more components are operable to substantially match the impedances between the surge arrester and the low-voltage communications line.

A cable management panel for telecommunications cables. A chassis holds a slideable drawer. The drawer includes cable terminations or splices. The drawer further includes a radius limiter which moves with synchronized movement with movement of the drawer. Cables enter the chassis through a side wall, such as located adjacent the rear of the chassis. The radius limiter manages a slack loop of cable disposed within the chassis.

A power distribution unit includes a first power box including a first chamber having a first termination zone, wherein a first wire set from a supply conduit is configured to be terminated at the first termination zone. The power distribution unit also includes a second power box ganged together with the first power box. The second power box has a second chamber open to the first chamber, and the second chamber has a second termination zone. A second wire set from at least one of the supply conduit and the first termination zone is configured to be terminated at the second termination zone.

A modular power distribution unit (PDU) for supplying electric power to attached equipment in environments such as data centers, computer rooms, and communication centers, where power requirements for attached equipment may vary. The power distribution unit includes a frame and one or more user-replaceable power modules, which fit into slots in the frame. Each power module provides one of more plug receptacles for attaching equipment to provide power thereto. The power modules are available in a variety of receptacle types, receptacle numbers, and power rating configurations to accommodate various equipment in a particular environment, as needed. The frame includes an internal connector panel for distributing power from a power source to the power modules when they are inserted in the frame. The power modules may be removed, installed, and interchanged in the frame without interrupting power to other power modules or to the power distribution unit.

A junction box used for making electrical connections to a photovoltaic panel. The junction box has two chambers including a first chamber and a second chamber and a wall common to and separating both chambers. The wall may be adapted to have an electrical connection therethrough. The two lids are adapted to seal respectively the two chambers. The two lids are on opposite sides of the junction box relative to the photovoltaic panel. The two lids may be attachable using different sealing processes to a different level of hermeticity. The first chamber may be adapted to receive a circuit board. The junction box may include supports for mounting a printed circuit board in the first chamber. The second chamber is configured for electrical connection to the photovoltaic panel. A metal heat sink may be bonded inside the first chamber. The first chamber is adapted to receive a circuit board for electrical power conversion, and the metal heat sink is adapted to dissipate heat generated by the circuit board.

A rack for mounting electronic equipment includes a pair of vertical support members having a regular pattern of mounting apertures that repeats linearly at a regular interval and a vertically-oriented cable guide, disposed generally adjacent one of the support members, having a plurality of outwardly-extending projections forming cable rings. The cable rings are disposed along the length of the cable guide at a second regular interval that is a whole number multiple of the first regular interval.

A method and apparatus suitable for forming hermetic electrical feedthroughs in a ceramic sheet having a thickness of ≦40 mils. More particularly, the method yields an apparatus including a hermetic electrical feedthrough which is both biocompatible and electrochemically stable and suitable for implantation in a patient's body. The method involves:(a) providing an unfired, ceramic sheet having a thickness of ≦40 mils and preferably comprising >99% aluminum oxide;(b) forming multiple blind holes in said sheet;(c) inserting solid wires, preferably of platinum, in said holes;(d) firing the assembly of sheet and wires to a temperature sufficient to sinter the sheet material but insufficient to melt the wires; and(e) removing sufficient material from the sheet lower surface so that the lower ends of said wires are flush with the finished sheet lower surface.

A power distribution system, suitable for use in a building, comprising a junction box, a hub, a junction device, and a cover plate. Wiring from the building is connected to the hub using alternative means such as stab-in connections, set screws, or loop screws, and color coding facilitates proper wiring. Also, the junction device is a modular piece that can be attached to the junction box via interference there between. Furthermore, a cover plate can be attached to the junction device via interference there between, or the cover plate can be integrally attached to the junction device. One embodiment of the hub accommodates circuitry that functions with the junction device while simultaneously accommodates circuitry wholly independent of the junction device. As such, the power distribution system enables wiring to be completed more quickly and accurately, in a wider variety of applications, thereby advantageously reducing associated costs.

An adjustable mounting bar and electrical box assembly for hanging a light fixture, fan, or other electrical device from a ceiling. All hardware required for mounting the electrical device is included with the assembly. The adjustable mounting bar includes sliding tubular members with end flanges for spanning between adjacent overhead joists. An electrical box is connected to the tubular members by a clamp and outer clamping fasteners, which can be loosened to adjust the length of the adjustable mounting bar. The end flanges include penetrable tabs that can be driven into the overhead joists to temporarily secure the adjustable mounting bar to the joists and thereby free the installer's hands. The outer face of the end flanges include a series of rows of slots arranged horizontally thereon and forming a plurality of bend lines. To accommodate ceiling coverings of various thickness, the end flanges can be bent outwards at the proper bend line to position the lower end of the electrical box flush with the ceiling surface. Load bearing bar fasteners threadably engaged in temporary storage receptacles in the sliding tubular members are removed therefrom and fastened through the end flanges to securely fasten the mounting bar to the joists. Load bearing device fasteners threadably engaged in temporary storage receptacles in the electrical box are removed therefrom and driven into receptacles in the clamp to secure the electrical device to the mounting bar. Oversize openings are provided in the top wall of the electrical box to ensure that the entire suspended load is borne by the clamp and mounting bar and not the electrical box.

An enclosure for protecting at least a portion of a printed circuit board that includes a top and bottom cover each having an insulating layer between an outer conductive layer and an inner conductive layer. Each outer conductive layer and each inner conductive layer are electrically connected to a voltage source to form tamper detection circuits. The enclosure further includes cover switches to detect attempts to lift or remove the covers and a thermal sensor / switch or the like for indicating that a temperature inside the enclosure has moved past a predetermined level due to a tamper attempt. A detection circuit generates and transmits a signal to cause sensitive information contained in one or more electronic components provided on the circuit board to be erased when a tamper attempt is detected.

A feedthrough terminal pin assembly includes an outer ferrule hermetically sealed through a braze joint to an insulator seated within the ferrule is described. The insulator is also hermetically brazed to at least one terminal pin. The terminal pin is provided with a braze retention structure such as an annular groove that prevents braze material from filleting past the groove. Similarly, either the ferrule or the insulator is provided with a retention structure such as an annular groove that prevents braze material spill out from the insulator / ferrule interface. In that manner, the braze retention structures keep braze material from accumulating in unwanted areas where it could adversely affect hermeticity as well as proper attachment of an EMI filter to the feedthrough assembly.

A cable management system for routing cable with respect to electronic equipment. This system has a variety of improvements providing greater flexibility in routing cable to and from the equipment.

A modular expandable irrigation controller has controls for manual entry or selection of a watering program and a memory for storing the watering program. A processor executes the stored watering program and controls one or more station modules each including a station module circuit for energizing at least one solenoid actuated valve in accordance with the watering program. The irrigation controller has a plurality of receptacles for each removably receiving a station module and for providing an operative connection to the processor. A manually movable locking member is grasped and moved between UNLOCKED and LOCKED positions to positively secure each station module in a corresponding receptacle.

Heat dissipation and electromagnetic interference (EMI) shielding for an electronic device having an enclosure. An interior surface of the enclosure is covered with a conformal metallic layer which, as disposed in thermal adjacency with one or more heat-generating electronic components or other sources contained within the enclosure, may provide both thermal dissipation and EMI shielding for the device. The layer may be sprayed onto the interior surface in a molten state and solidified to form a self-adherent coating.

Mounting systems are provided for bringing a heat exchanger from a server rack into thermal contact with a heat exchanger from an electronics server. An engaging force is applied to the two heat exchangers to create thermal communication there between. A mounting mechanism is configured to isolate the engaging force applied to the two heat exchangers. The mounting mechanism may include an interlocking mechanism that prevents transfer of the applied force to the rest of the electronics server to lessen the possibility of disconnecting the electrical connections between the electronics server and the rack, and / or lessening mechanical stresses transferred to the electronics server and the rack chassis. The mounting mechanism also may be coupled to the electronics server locking mechanism such that the action of locking the electronics server into the rack causes the heat exchangers to engage in thermal contact.

Systems and method for installing computer equipment and power distribution equipment in facilities is provided. In one aspect, the present invention provides a power distribution rack, and uninterruptible power supply rack and a plurality of equipment racks. A plurality of power cables are run from the power distribution rack to each of the plurality of equipment racks using power cable tracks located on the roofs of the equipment racks. A plurality of data cables run between the plurality of equipment racks using data cable tracks located on the roofs of the equipment racks. The power cable tracks and data cable tracks are designed to be installed on the roofs of the equipment racks without the need for tools.

A quick connect electrical junction box assembly for receipt and support of electrical appliances including a first support member adapted to be attached to a building, the first support member having a female electrical receptacle connected thereto, a second support member to support an electrical appliance, the second support member having a male electrical plug rotatably connected thereto, the male electrical plug being adapted to be received in the female electrical receptacle to make an electrical connection between first support member and the second support member, the second support member having at least one load bearing connector, the load bearing connector being adapted to be received in the first support member to connect the second support member to the first support member, the load bearing connector being spaced apart from the male electrical plug.

A junction box adapted to protect soldered electrical connections between outputs and cables wherein the connections are on a flat surface (e.g. the backing sheet of a solar module) and a method for installing the box over the connections. The junction box can have a split housing that can be spread to fit over the cables before filling the housing with a sealant which, in turn, covers and protects the connections. A separate cover is then latched onto the housing.

A system and a method secure and / or align a device attached to a fixture. The system and the method have a retractable reel with a cable for attaching, for connecting and / or for securing the device to the fixture. The system and the method have a housing with an opening and a slit for aligning and / or for centering the device with respect to the housing, the retractable reel and / or the fixture. The cable extends outward with respect to the retractable reel and / or extends through the housing via the opening. The system and the method have a connector for attaching, for connecting and / or for securing the cable to the device. The housing has a recession for receiving the connector and / or for aligning the connector and / or the device. The connector and / or the device is centered and / or is aligned with respect to the recession, the housing and / or the retractable reel via the opening in the housing and the cable. A fastener and / or an adhesive connects, secures and / or attaches the device to the connector and / or the housing to an exterior surface of the fixture.

A fire assembly that can be used for installing recessed electrical fixtures into various structures such as wall assemblies is provided. The fire assembly includes an electrical fixture contained within a generally fire-resistant housing. The housing can enclose the electrical fixture in such a manner that the resulting fire assembly has an integral structure. In some instances, a support structure can be utilized to attach the housing to the electrical fixture. Furthermore, the housing can be a cube-shaped box have a variety of generally fire-resistant walls. These walls can be made from materials such as sheet rock.

A telecommunications termination cabinet includes first and second connector bulkheads, the first bulkhead located in forward position relative to the second bulkhead. The first bulkhead is pivotally mounted to the cabinet. A splice cabinet is positioned below the termination cabinet.

A method of fabricating the body of the portable electronic device as well as the resulting portable electronic device and its body are provided to facilitate the transmission of radio frequency signals through the body of the portable electronic device. In the context of a method, at least one aperture and, in some instances, a plurality of apertures are defined by laser perforation through a conductive portion of the body of the portable electronic device. The method may also anodize the conductive portion including at least partially filling the at least one aperture with an anodization layer. As such, the conductive portion of the body of the portable electronic device has a relatively consistent, metallic appearance, even though laser perforation apertures are defined therein for supporting the transmission of radio frequency signals.

The present invention is directed to a weatherproof electrical outlet box assembly for shielding and protecting electrical components from moisture comprising a faceplate for attaching to an outlet box, the faceplate being substantially planar, and perimetrically bounded by a substantially rectangular side edge, the faceplate having at least one aperture for receiving an electrical component and; the faceplate including a first hinge socket and a second hinge socket extending respectively from the side edge in substantially orthogonal orientation. The weatherproof electrical outlet box assembly further including a cover having a front wall, an opposed open end and a substantially rectangular perimetrical side wall therebetween defining a cover interior, the side wall having a rim bounding the open end, the cover including at least one access port through the side wall adjacent the open end for providing separate passageways into the interior of the cover; the cover including a first hinge pin and a second hinge pin extending respectively from the side wall adjacent the open end in substantially orthogonal orientation; and the cover being pivotally affixed to the faceplate by operative engagement of the hinge socket with the hinge pin of corresponding orientation and movable between an open and a closed position and wherein the hinge pin and the hinge socket that are not in operative engagement are not aligned.

A high density device comprising: a chassis frame configured and dimensioned for mounting in a standardized telecommunications rack, the chassis frame defining a front plane and a back plane, the front plane being substantially coincident with a front support of the telecommunications rack; a sub-module chassis secured to the chassis frame, the sub-module chassis exhibiting a proximal face and a distal face; a first plurality of jacks located distal of the proximal face of the sub-module chassis; and a passageway formed between the sub-module chassis and an inner wall of the chassis frame, the passageway configured and dimensioned for the passage of cabling for connection to the first plurality of jacks.

A support bracket and method for supporting an electrical junction box. The support bracket has a substantially flat base with a pair of conduit receiving holes, a pair of legs extending from the base at an angular relationship to the base, and a flange extending from each of the legs at an angular relationship such that each flange is substantially parallel to the base. The junction box is connected to the base of the support bracket with a junction box and the base in a face to face contact and a conduit receiving opening of the junction box aligned with one of the conduit receiving holes of the support bracket.

A high density device comprising: a chassis frame configured and dimensioned for mounting in a standardized telecommunications rack, the chassis frame defining a front plane and a back plane, the front plane being substantially coincident with a front support of the telecommunications rack; a sub-module chassis secured to the chassis frame, the sub-module chassis exhibiting a proximal face and a distal face; a first plurality of jacks located distal of the proximal face of the sub-module chassis; and a passageway formed between the sub-module chassis and an inner wall of the chassis frame, the passageway configured and dimensioned for the passage of cabling for connection to the first plurality of jacks.