Blog
Steering Unit

Case New Holland (CNH, Amsterdam, the Netherlands) has lessened the level of steering noise in the cabs of its 821 Case brand and LW190 brand wheel loaders by utilizing Char-Lynn Series 20 steering control unit from Eaton Hydraulics (Eden Prairie, MN). The cab noise issue was great enough to hold the assembly line while the matter...

Blog
Moth Gyroscopes

A joint effort between University of Washington (Seattle, WA) and Case Western Reserve University (Cleveland, OH) researchers has revealed gyroscope-like structures in tobacco horn moth antennae that could lead to mechanical equivalents for miniature flying robots. The discovery allows the researchers to understand neural...

Blog
Nano 50â„¢ Awards

Nanotech Briefs magazine is now accepting nominations for its third annual Nano 50 awards competition. The Nano 50 recognizes the top 50 technologies, innovators, and products with the greatest potential to advance the commercialization of nanotechnology.

Blog
Event Alert

Free Webinar: Join us and other engineering professionals at the "Adobe and Alibre Technology Seminar" on Wednesday, February 28. Alibre, Inc. and Adobe Inc. are coming together to provide an informative online seminar that reviews how other leading-edge companies have used new and affordable technology to redefine their design...

Blog
Current Attractions

The Air Force's Technology Horizons magazine is now Defense Tech Briefs (DTB),providing engineers with a one-stop source for the latest advances and tech transfer opportunities from Defense Department R&D programs. Commercially promising inventions resulting from this work are reported in DTB magazine, published...

Blog
Tech Needs

Technologies are needed for the economical production of polymers that are based on today's generally accepted standards for "green" chemistry. Of particular interest are chemistries that produce safe chemicals, and/or that use safer solvents and auxiliaries, and/or that produce chemicals designed for degradation.

Click here...

Blog
X-Ray Vision

Brown University researchers are creating a technology that will allow doctors and scientists to see inside living humans and animals, and watch their bones move in 3D as they run, fly, jump, swim, and slither. This high-resolution, high-speed imaging system will contribute to better treatments for knee, shoulder, wrist, and back...

Application Briefs: Imaging

A partnership between the Toshiba Imaging Systems Division of Toshiba America (Irvine, CA) and Apollo Telemedicine (Falls Church, VA) has resulted in an advanced, real-time diagnostic...

Articles: Imaging

Machine vision acquisition architectures come in many different forms, but they all have the same end goal — to transfer image data from a physical sensor into a processing unit that can analyze the image and...

Articles: Imaging

The multi-billion-dollar display market has grown to encompass everything from notebook PCs to desktop monitors, televisions, cell phone displays, and much more. As the...

Who's Who: Medical

Diagnosis on Earth is a fairly simple procedure, done at any hospital or medical center. In space flight, however, where doctors and even basic...

Products

United Electronics Industries, Canton, MA, has introduced the UEILogger series of data loggers and recorders. The logger "Cube" contains the logger engine and either three or six I/O slots. The logger is matched to the...

Briefs: Electronics & Computers

An apparatus that generates four signals at a frequency of 7.1 GHz having precisely controlled relative phases and equal amplitudes has been designed and built. This apparatus is...

Briefs: Electronics & Computers

A phased-array system comprised of custom-made and commercially available microelectromechanical system (MEMS) silicon microphones and custom ancillary hardware has been developed for...

Briefs: Electronics & Computers
Wireless Acoustic Measurement System

A prototype wireless acoustic measurement system (WAMS) is one of two main subsystems of the Acoustic Prediction/ Measurement Tool, which comprises software, acoustic instrumentation, and electronic hardware combined to afford integrated capabilities for predicting and measuring noise emitted by rocket and...

Briefs: Mechanical & Fluid Systems

The spiral orbit tribometer (SOT) bridges the gap between full-scale life testing and typically unrealistic accelerated life testing of ball-bearing lubricants in conjunction with bearing ball and race materials. The...

Briefs: Information Technology
Predicting Rocket or Jet Noise in Real Time

A semi-empirical theoretical model and a C++ computer program that implements the model have been developed for use in predicting the noise generated by a rocket or jet engine. The computer program, entitled the Realtime Rocket and Jet Engine Noise Analysis and Prediction Software, is one of two main...

Briefs: Software
Computational Workbench for Multibody Dynamics

PyCraft is a computer program that provides an interactive, workbench-like computing environment for developing and testing algorithms for multibody dynamics. Examples of multibody dynamic systems amenable to analysis with the help of PyCraft include land vehicles, spacecraft, robots, and...

Briefs: Semiconductors & ICs
SiC Multi-Chip Power Modules as Power-System Building Blocks

The term “SiC MCPMs” (wherein “MCPM” signifies “multi-chip power module”) denotes electronic power-supply modules containing multiple silicon carbide power devices and silicon-on-insulator (SOI) control integrated-circuit chips. SiC MCPMs are being developed as building...

Briefs: Electronics & Computers
High-Power, High-Efficiency Ka-Band Space Traveling-Wave Tube

The L-3 Communications Model 999H traveling-wave tube (TWT) has been demonstrated to generate an output power of 144 W at 60-percent overall efficiency in continuous-wave operation over the frequency band from 31.8 to 32.3 GHz. The best TWT heretofore commercially available for...

Briefs: Electronics & Computers

Crossed diffraction gratings and random reflectors have been proposed as means to increase the quantum efficiencies of InGaAs/InP positive/intrinsic/ negative (PIN) diodes designed...

Briefs: Electronics & Computers

A method of quickly collecting digital imagery of ground areas from video cameras carried aboard locally launched rockets has been developed. The method can be used, for example, to record...

Briefs: Electronics & Computers

Split-ring antennas made from optically transparent, electrically conductive films have been invented for applications in which there are requirements for compact antennas capable of...

Briefs: Electronics & Computers

A power-amplifier module that operates in the frequency range of 145 to 165 GHz has been designed and constructed as a combination of (1) a previously developed monolithic microwave integrated...

Briefs: Electronics & Computers
Ice-Penetrating Robot for Scientific Exploration

The cryo-hydro integrated robotic penetrator system (CHIRPS) is a partially developed instrumentation system that includes a probe designed to deeply penetrate the Europan ice sheet in a search for signs of life. The CHIRPS could also be used on Earth for similar exploration of the polar ice caps...

Briefs: Software
Automated Design of Restraint Layer of an Inflatable Vessel

A Mathcad computer program largely automates the design and analysis of the restraint layer (the primary load-bearing layer) of an inflatable vessel that consists of one or more sections having cylindrical, toroidal, and/or spherical shape(s). A restraint layer typically comprises...

Briefs: Software
TMS for Instantiating a Knowledge Base With Incomplete Data

A computer program that belongs to the class known among software experts as output truth-maintenance systems (output TMSs) has been devised as one of a number of software tools for reducing the size of the knowledge base that must be searched during execution of...

Briefs: Software
Simulating Flights of Future Launch Vehicles and Spacecraft

Marshall Aerospace Vehicle Representation in C (MAVERIC) is a computer program for generic, low-to-high-fidelity simulation of the flight(s) of one or more launch vehicle(s) or spacecraft. MAVERIC is designed to accommodate multi-staged vehicles, powered serially or in parallel, with...

Briefs: Software
Control Code for Bearingless Switched-Reluctance Motor

A computer program has been devised for controlling a machine that is an integral combination of magnetic bearings and a switched-reluctance motor. The motor contains an eightpole stator and a hybrid rotor, which has both (1) a circular lamination stack for levitation and (2) a six-pole...

Videos