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Briefs: Lighting
Devices such as light-emitting diodes (LEDs) and lasers are typically based upon the accumulated emission from a large number of gas phase atoms, ions in solids,...
Briefs: Lighting
Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential...
Research News: Lighting
Plastic electronics hold the promise of cheap, mass-produced devices. But plastic semiconductors have an important flaw – the electronic current is influenced by “charge...
Research News: Lighting
Physicists at the University of Utah have invented a new “spintronic” organic light-emitting diode (OLED) that promises to be brighter, cheaper and more...
Techs for License: Lighting
Scientists at North Dakota State University have recently developed a family of novel organometallic materials that have unique optical properties that make it ideal for use in optical...
Techs for License: Lighting
Device Structure for High Efficiency LED
Researchers at the University of California, Santa Barbara, have developed a novel device structure that reduces light absorption inside an LED, enables uniform light emission from the active layer, and reduces light reflections occurring repeatedly inside the LED, thus increasing the overall efficiency.
Application Briefs: Lighting
Branded Cities Network (“BCN”), a division of Phoenix, AZbased EL Media Holdings USA, LLC, announced an exclusive representation agreement to sell digital advertising and integrated...
Products: Lighting
LEDnovation (Tampa, FL) has expanded its EnhanceLite® MR16-35L Landscape line to include a 24° narrow-flood beam angle. The MR16-35Ls are comparable replacements for 35-watt halogen lamps. Designed for use in IP66 rated outdoor...
Products: Lighting
Power Integrations (San Jose, CA) has announced an LED-driver reference design for high-power LED bulb replacement. The driver delivers the power required for a 100W incandescent bulb replacement in an A19 form factor. The DER-322,...
Products: Lighting
TE Circuit Protection (Menlo Park, CA), a business unit of TE Connectivity, has announced AC-rated and DC-rated Reflowable Thermal Protection (RTP) devices, which feature a temperature open (Topen) value of 140°C....
Products: Lighting
Texas Instruments (Dallas, TX) has introduced a new LED controller with constant power regulation. The LM3447 AC/DC LED driver includes a dimmer detect, phase decoder and adjustable hold current circuits to provide...
Products: Lighting
MaxLite® (West Caldwell, NJ) has introduced a number of new outdoor LED fixtures. New additions to the company’s exterior lighting line will include: induction lighting; small LED floods; LED parking area lights and large...
Products: Lighting
Evonik Cyro LLC (Parsippany, NJ) recently announced the launch of ACRYLITE® LED, molding and extrusion compounds designed specifically for LED lighting applications. By offering ACRYLITE® LED in both...
Products: Lighting
The EcoSpec Floodlight Wash from EcoSense (New York, NY) is an ultra-bright white light fixture designed for indoor and outdoor architectural use. Like all EcoSense fixtures, the EcoSpec Floodlight Wash is RoHS compliant...
Products: Lighting
Albeo Technologies (Boulder, CO) recently announced that its H-Series LED high bay is now fully listed on the DesignLights Consortium (DLC) Qualified Products List (QPL). The consortium is the premier agency for certifying...
Products: Lighting
Thomas Research Products (Huntley, IL) has released a revised and expanded version of its LED driver catalog. The extensive line of LED drivers listed in the catalog range from 12 through 300 watts. Constant-current,...
Briefs: Software
If carmakers could reduce the number, size, and weight of the components in there, better fuel economy would result. A case in point is the design and...
Briefs: Mechanical & Fluid Systems
This drill (see Figure 1) is the primary sample acquisition element of the Mars Science Laboratory (MSL) that collects powdered samples from various types of rock (from clays to massive basalts) at depths up to 50...
Briefs: Mechanical & Fluid Systems
There are two conventional types of hinges for in-space deployment applications. The first type is mechanically deploying hinges. A typical mechanically deploying hinge is usually composed of several tens of...
Briefs: Mechanical & Fluid Systems
Ultra-Compact Motor Controller
This invention is an electronically commutated brushless motor controller that incorporates Hall-array sensing in a small, 42-gram package that provides 4096 absolute counts per motor revolution position sensing. The unit is the size of a miniature hockey puck, and is a 44-pin male connector that provides many I/O...
Briefs: Mechanical & Fluid Systems
Binding Causes of Printed Wiring Assemblies With Card-Loks
A document discusses a study that presents the first documented extraction loads, both nominal and worstcase, and presents the first comprehensive evaluation of extraction techniques, methodologies, and tool requirements relating to extracting printed wiring assemblies (PWAs) with Card-Loks...
Briefs: Mechanical & Fluid Systems
A Reversible Thermally Driven Pump for Use in a Sub-Kelvin Magnetic Refrigerator
A document describes a continuous magnetic refrigerator that is suited for cooling astrophysics detectors. This refrigerator has the potential to provide efficient, continuous cooling to temperatures below 50 mK for detectors, and has the benefits over existing...
Briefs: Mechanical & Fluid Systems
Coring Sample Acquisition Tool
A sample acquisition tool (SAT) has been developed that can be used autonomously to sample drill and capture rock cores. The tool is designed to accommodate core transfer using a sample tube to the IMSAH (integrated Mars sample acquisition and handling) SHEC (sample handling, encapsulation, and containerization)...
Briefs: Mechanical & Fluid Systems
Bulk metallic glasses (BMGs), a class of amorphous metals defined as having a thickness greater than 1 mm, are being broadly investigated by NASA for use in...
Briefs: Photonics/Optics
GaAs-based, sub-harmonically pumped Schottky diode mixers offer a number of advantages for array implementation in a heterodyne receiver system. Since the radio...
Briefs: Electronics & Computers
Hardware for Accelerating N-Modular Redundant Systems for High-Reliability Computing
A hardware unit has been designed that reduces the cost, in terms of performance and power consumption, for implementing N-modular redundancy (NMR) in a multiprocessor device. The innovation monitors transactions to memory, and calculates a form of sumcheck...
Articles: Test & Measurement
Finite element representations of crash test dummies are widely used in the simulation of vehicle safety systems. The biofidelity of such models is strongly dependent on the...
Briefs: Electronics & Computers
Discontinuous Mode Power Supply
A document discusses the changes made to a standard push-pull inverter circuit to avoid saturation effects in the main inverter power supply. Typically, in a standard push-pull arrangement, the unsymmetrical primary excitation causes variations in the volt second integral of each half of the excitation cycle that...
Application Briefs: Mechanical & Fluid Systems
The NASA-sponsored space exploration project, PICTURE (Planet Imaging Concept Testbed Using a Rocket Experiment), seeks to obtain a direct image of an extra-solar giant...
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