Briefs: Lighting

If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing — the approach used in, for example, theatrical spotlights, which...

Articles: Lighting

As specifiers and end users began moving away from incandescent lighting three decades ago, they started utilizing high intensity discharge (HID) and compact fluorescent (CFL) lamps and...

Articles: Lighting

A successful LED system design must be able to transfer the active device’s heat efficiently from its own PN junction to the ambient. This path includes the printed circuit board on...

Research News: Lighting

Light emitting diodes (LEDs) are known for their energy efficiency and durability, but the bluish, cold light of current white LEDs has precluded their widespread use for indoor lighting....

Research News: Lighting

Newspapers are filled with stories describing reductions and removal of street lighting in order to reduce municipal costs. Tackling the tricky questions of when...

Application Briefs: Lighting

To provide significant energy savings with optimal lighting quality, JetBlue Airways recently selected MaxLite’s High- Max® High Output compact fluorescent (CFL)...

Application Briefs: Lighting

GE Lighting LED solutions were recently installed in several locations at Marriott International’s headquarters located in Bethesda, Md. The installations have enriched lighting...

Application Briefs: Lighting

Hoffman Performance Lighting has introduced the firstever PAR64 LED Landing Light, a drop-in replacement for existing Q4559 and Q4559X quartz halogen lamps. The ruggedized PAR64 can be...

Products: Lighting

Everlight Electronics (Carrollton, TX) has introduced a new highly efficient white mid-power LED series 62-227B (0.4W) and 62-217B (0.5W). These top view LEDs (5630 package) provide high efficacy, high CRI (min. 80 or min. 75),...

Products: Lighting

Power Integrations (San Jose, CA) recently announced two new reference designs describing high-efficiency, non-isolated, high-power-factor (PF) LED drivers for T8 tubes. The designs feature low component count...

Products: Lighting

Universal’s (Nashville, TN) new family of Signa® LED chains makes it simple to design signage with high lumens, consistent color, superior reliability, and an installer-friendly module fastening system. Offering high-efficiency...

Products: Lighting

EnvironmentalLights.com (San Diego, CA) recently launched a new family of individually addressable RGB LED pixel lighting called Pixel- Pro LED lighting that combines the ability to produce millions of colors with...

Products: Lighting

Aimtec (Vaudreuil-Dorion, Canada) recently introduced its AMEPR30D-5070AZ-220 AC/DC LED driver with triac dimming. Available in constant output currents ranging from 0.2 to 2.0A, the AMEPR10D-AZ (10 watt),...

Products: Lighting

Green Watt Power (Concord, CA), a division of Calex Mfg. Co., has announced CSA/UL agency approvals on the Green Watt Power offering of LED Constant Current power supplies. The GLC Series offers solutions from 18 Watts to...

Products: Lighting

N2Power (Simi Valley, CA) a division of Qualstar Corporation, has announced constant current versions of its 375W AC-DC power supply dubbed XL375LED. The new units are designed to drive strings of LEDs in...

Products: Lighting

Texas Instruments Incorporated (TI) (Dallas, TX) recently introduced a 1.5A constant current DC/DC buck converter with a combination of frequency synchronization, pulsewidth modulation (PWM) dimming and thermal...

Products: Lighting

iWatt (Campbell, CA) has launched its iW3616 (12W) and iW3617 (25W) LED driver ICs based on the company’s thirdgeneration digital AC/DC SSL (solid state lighting) LED driver platform. The drivers are designed for...

Products: Lighting

O2Micro International Limited (Santa Clara, CA) recently extended the company's Free Dimming™ technology and lighting product portfolio with the introduction of the OZ8024 and OZ8024R LED Driver Controllers....

Products: Lighting

Planar lighting pioneer Oree (Ramat Gan, Israel)recently unveiled the LightCell™ Plus to give lighting fixture manufacturers more options for developing innovative LED-based planar light fixtures. LightCell Plus is...

Products: Lighting

Master Bond UV15 (Hackensack, NJ) is widely used for a variety of bonding, coating and sealing applications in the optical, electronic and optoelectronic industries. This epoxy based UV curable system is 100%...

Products: Lighting

ON Semiconductor (Phoenix, AZ) has introduced the new NSIC20xx series of linear constant current regulators (CCR) designed for use in solid state lighting systems. The new NSIC20XX series of CCRs offer a maximum...

Products: Lighting

Thomas Research Products (Hyntley, IL) has introduced a new step-dimming module that offers easy bi-level dimming control for LED luminaires. The SD1 device works with two standard wall switches to allow bi-level...

Podcasts
Bob Reisse, ALHAT Project Manager, Langley Research Center, Hampton, VA.

Bob Reisse coordinates the design and testing of ALHAT (Autonomous Landing Hazard Avoidance Technology) sensors. In December, ALHAT instruments were melded to HUEY helicopters, which used sensors and an integrated computer system to provide guidance and assist pilots....

Podcasts
Bob Reisse, ALHAT Project Manager, Langley Research Center, Hampton, VA.

Bob Reisse coordinates the design and testing of ALHAT (Autonomous Landing Hazard Avoidance Technology) sensors. In December, ALHAT instruments were melded to HUEY helicopters, which used sensors and an integrated computer system to provide guidance and assist pilots....

News
Cockroach Gait Inspires New Robotics

Researchers have learned that running cockroaches recover from a shove before their dawdling nervous system kicks in to tell their legs what to do. These new insights on how biological systems stabilize could one day help engineers design steadier robots and improve doctors' understanding of human gait...

News
Scientists Develop Metal-Based Energy Harvesting Methods

A new method of harvesting the Sun's energy is emerging, thanks to scientists at UC Santa Barbara's Departments of Chemistry, Chemical Engineering, and Materials. Though still in its infancy, the research promises to convert sunlight into energy using a process based on metals that are...

News
Researchers Develop Robotic Bat Wing

Researchers at Brown University have developed a robotic bat wing that provides valuable new information about dynamics of flapping flight in real bats. The robot, which mimics the wing shape and motion of the lesser dog-faced fruit bat, is designed to flap while attached to a force transducer in a wind...

Question of the Week
Will Telepresence Robots Become Commonplace over the Next Decade?

Last month, the U.S. Food and Drug Administration cleared iRobot's RP-VITA telepresence robot for operation in hospitals. Controlled by an iPad interface, the RP-VITA allows doctors to virtually "visit" patients and staff remotely. Similarly, it was reported this month that a...

News
“Virtual Chimney” Fences Could Reduce Impact of Airport Pollution

Simple blast fences called baffles could deliver improvements in air quality for people living near airports, new research has found. Placed behind a runway, the baffles could serve as a “virtual chimney,” funneling emissions from aircraft engines upwards where they can...

Videos