Keyword: Connectors and terminals

Products: Lighting

The QuasarBrite™ panel mount indicator LED from Lumex (Palatine, IL) operates with 120 VAC power that can be taken directly out of the main power source. The device is available in a round configuration with a 7mm diameter....

Briefs: Electronics & Computers
Dust-Tolerant Intelligent Electrical Connection System

Faults in wiring systems are a serious concern for the aerospace and aeronautic (commercial, military, and civilian) industries. Circuit failures and vehicle accidents have occurred and have been attributed to faulty wiring created by open and/or short circuits. Often, such circuit failures...

Briefs: Materials
Use of Functionalized Carbon Nanotubes for Covalent Attachment of Nanotubes to Silicon

The purpose of the invention is to covalently attach functionalized carbon nanotubes to silicon. This step allows for the introduction of carbon nanotubes onto all manner of silicon surfaces, and thereby introduction of carbon nanotubes covalently into...

Products: Lighting

TE Connectivity (Harrisburg, PA) has extended its line of poke-in connectors to include the new micro poke-in wire SSL connector — a low-profile printed circuit board connector specifically designed for LED...

Products: Lighting

Two new series of connectors for LED lighting systems from AVX Corporation (Greenville, SC) maintain the same luminosity and light intensity as florescent strip lights. The standard length of fluorescent...

Products: Lighting

Hirose (Simi Valley, CA) has developed a 2-mm pitch, multi-functional connector system that provides wire-to-board, board-to-board joint and short-circuit sockets in a single connector design. The DF59...

Briefs: Mechanical & Fluid Systems
Crush Test Abuse Stand

The purpose of this system is to simulate an internal short on battery cells by causing deformation (a crushing force) in a cell without penetration. This is performed by activating a hydraulic cylinder on one side of a blast wall with a hydraulic pump located on the other. The operator can control the rate of the crush by...

Briefs: Electronics & Computers

Current practice is to uniquely key the connectors, which, when mated, could not be verified by ground tests such as those used in explosive or non-explosive initiators...

Articles: Materials

The Hall effect can be observed when the combination of a magnetic field through a sample and a current along the length of the sample create an...

Briefs: Electronics & Computers
PCB-Based Break-Out Box

Break-out boxes (BOBs) are necessary for all electrical inte- gration/cable checkouts and troubleshooting. Because the price of a BOB is high, and no work can be done without one, often the procedure stops, simply waiting for a BOB. A less expensive BOB would take less time in the integration, testing, and troubleshooting...

Briefs: Physical Sciences
Electrical Connector Mechanical Seating Sensor

A sensor provides a measurement of the degree of seating of an electrical connector. This sensor provides a number of discrete distances that a plug is inserted into a socket or receptacle. The number of measurements is equal to the number of pins available in the connector for sensing.

Briefs: Manufacturing & Prototyping
Cryogenic-Compatible Winchester Connector Mount and Retaining System for Composite Tubes

A connector retainer and mounting system has been designed to replace screw-mounting of Winchester connectors. Countersunk screws are normally used to secure connectors to structures, and to keep them from coming apart. These screws are normally put into...

Briefs: Electronics & Computers
High-Speed Isolation Board for Flight Hardware Testing

There is a need to provide a portable and cost-effective galvanic isolation between ground support equipment and flight hardware such that any unforeseen voltage differential between ground and power supplies is eliminated. An interface board was designed for use between the ground support...

Briefs: Photonics/Optics

Custom fiber optic bundle array assemblies developed by the Photonics Group at NASA Goddard Space Flight Center were an enabling technology for both the...

Briefs: Semiconductors & ICs

A proposed integrated circuit would translate (1) a pair of input signals having a low differential potential and a possibly high common-mode potential into (2) a pair of output signals...

Briefs: Semiconductors & ICs
FPGA Sequencer for Radar Altimeter Applications

A sequencer for a radar altimeter provides accurate attitude information for a reliable soft landing of the Mars Science Laboratory (MSL). This is a field-programmable-gate-array (FPGA)-only implementation. A table loaded externally into the FPGA controls timing, processing, and decision...

Briefs: Materials

A plasma-enhanced chemical vapor deposition (PECVD) growth technique has been developed where the choice of starting substrate was found to...

Application Briefs: Information Technology
Ground system telecommunications architecture
General Dynamics C4 Systems
Falls Church, VA
480-441-3033
www.gd.com

As part of its seven-year contract with NASA...

Briefs: Mechanical & Fluid Systems

During the early development stage of balloon deployment systems for missions, nichrome wire cable cutters were often used in place of pyro-actuated cutters. Typically, a nichrome wire is wrapped around a...

Products: Lighting

The AS1119 LED dot matrix driver from austriamicrosystems (Unterpremstaetten, Austria) drives 144 LEDs but requires only 9 mm² PCB space, reduces external component count, reduces connector pin count, and requires...

Articles: Electronics & Computers

VPX systems offer tremendous performance for the Mil/Aero market, including naval, airborne, and ground-based computing systems. The architecture provides an unprecedented...

Briefs: Electronics & Computers
Advanced Flip Chips in Extreme Temperature Environments

The use of underfill materials is necessary with flip-chip interconnect technology to redistribute stresses due to mismatching coefficients of thermal expansion (CTEs) between dissimilar materials in the overall assembly. Underfills are formulated using organic polymers and possibly...

Articles: Test & Measurement

Multi-paction effects can impact microwave components in high-power satellite communications (sat-com) systems. The nonlinear break-down-voltage phenomenon occurs in high-vacuum environments...

Briefs: Mechanical & Fluid Systems

Military and aerospace industries use Mil-Spec type electrical connections on bulkhead panels that require inline access for mate and demate operations. These connectors are usually in tight...

Briefs: Physical Sciences
Measurement of the Length of an Optical Trap

NASA Glenn has been involved in developing optical trapping and optical micromanipulation techniques in order to develop a tool that can be used to probe, characterize, and assemble nano and microscale materials to create microscale sensors for harsh flight environments. In order to be able to...

Briefs: Physical Sciences
Photon Counting Using Edge-Detection Algorithm

New applications such as high-data-rate, photon-starved, free-space optical communications require photon counting at flux rates into gigaphoton-per-second regimes coupled with sub-nanosecond timing accuracy. Current single-photon detectors that are capable of handling such operating conditions are...

Briefs: Electronics & Computers

Several different experimental monolithic microwave integrated circuit (MMIC) amplifiers have been designed to operate in frequency bands ranging from 350 to 500 GHz and were undergoing...

Articles: Lighting

Keeping pace with emerging solid-state lighting (SSL) applications can be difficult for design engineers, not only from an end-product standpoint, but at the component level as well. Design...

Articles: Energy

Industry and consumers are increasingly aware of the benefits of efficacious use of metered power, as costs and cost trends increase. Making the right choices...

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