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Briefs: Electronics & Computers
A class of inertial- sensor systems with drift compensation has been invented for use in measuring the orientations of human heads (and perhaps other, similarly sized objects). These systems...
Briefs: Electronics & Computers
A proposed microstrip Yagi antenna would operate at a frequency of 8.4 GHz (which is in the X band) and would feature a mechanically simpler, more elegant design, relative to a prior...
Articles: Electronics & Computers
In the electronics industry today there are two commonly used high-speed memory types: static RAM (SRAM) and dynamic RAM (DRAM). Traditionally, SRAM embedded memory has been the designer's choice for fast memory, but since a typical SRAM...
Articles: Electronics & Computers
High-powered embedded computing equipment utilizing the Air Transport Rack (ATR) form factor is playing an ever-larger role in extreme, mission-critical applications in air, land, and sea environments....
Briefs: Electronics & Computers
Tunable microwave devices based on metal terminals connected by thin ferroelectric films (see Figure 1) can be made to perform better by patterning the films to include suitably...
Articles: Electronics & Computers
The need for commercial off the shelf (COTS) single board computer (SBC) products continues to grow as higher processing, smaller footprints and lower power requirements become more critical. For...
Briefs: Photonics/Optics
A free-space optical beam combiner now undergoing development makes it possible to use the outputs of multiple multimode laser diodes to pump a neodymium-doped yttrium aluminum garnet...
Application Briefs: Electronics & Computers
Failure Mode and Effect Analysis (FMEA) is a methodology for analyzing potential problems early in the product development cycle where it is easier to take action to overcome potential issues, thereby...
Briefs: Semiconductors & ICs
A total of 81 optimal logic circuits based on four-gate field-effect transistors (G4FETs) have been designed to implement all Boolean functions of up to three variables. The purpose of this development was...
Products: Electronics & Computers
VersaLogic Corp. (Eugene, OR) offers the Sidewinder, a single board computer (SBC) designed to complement their existing EBX product line. The Sidewinder is a reliable fanless design featuring a robust array of onboard I/O...
Briefs: Manufacturing & Prototyping
A relatively rapid, economical process has been devised for patterning a thin film of indium tin oxide (ITO) that has been deposited on a polyester film. ITO is a transparent, electrically conductive...
Products: Electronics & Computers
ASSET InterTech (Richardson, TX) has expanded its ScanWorks® system by adding signal integrity analysis applications that support Intel's next-generation embedded instrumentation technology, Intel® IBIST...
Briefs: Manufacturing & Prototyping
In a proposed improvement of tooling for friction stir welding, gimballed shoulders would supplant shoulders that, heretofore, have been fixedly aligned with pins. The proposal is especially...
Products: Electronics & Computers
Lecroy® Corporation (Chestnut Ridge, NY) has introduced a 13 GHz test system comprised of the SDA 13000 Serial Data Analyzer, the D13000PS Active Differential Probe, and a suite of debug and analysis tools. The new system...
Briefs: Materials
Pellets made of a high-surface-area composite of silica and titania have shown promise as means of removing elemental mercury from flue gases. With further technical development...
Products: Electronics & Computers
ALT Software, DiSTI, Green Hills Software, and RTI (Santa Clara, CA) have combined to introduce a robust solution for mission-critical data distribution and display. The real-time integrated avionics network is for remotely...
Briefs: Materials
Lightweight Tanks for Storing Liquefied Natural Gas
Single-walled, jacketed aluminum tanks have been conceived for storing liquefied natural gas (LNG) in LNG-fueled motor vehicles. Heretofore, double- wall steel tanks with vacuum between the inner and outer walls have been used for storing LNG. In comparison with the vacuum-insulated steel tanks,...
Products: Electronics & Computers
The new 32 GB SATA Solid State Disk (SSD) Drive from Ridata (Diamond Bar, CA) is almost twice as fast as a conventional hard disk drive. The data transfer rates are 60MB/s for maximum sequential read and...
Briefs: Materials
Hybrid Wound Filaments for Greater Resistance to Impacts
The immediately preceding article includes an example in which a composite overwrap on a pressure vessel contains wound filaments made of a hybrid of high-strength carbon fibers and poly(phenylene benzobisoxazole) [PBO] fibers. This hybrid material is chosen in an effort to increase the...
Products: Electronics & Computers
Cornet Technology Inc. (Springfield, VA) has announced its latest VME64x PowerPC single board computer called the Celero CVME-7448ST. This board incorporates a newer hostbridge controller (Tundra Tsi109) and...
Briefs: Materials
Making High-Tensile-Strength Amalgam Components
Structural components made of amalgams can be made to have tensile strengths much greater than previously known to be possible. Amalgams, perhaps best known for their use in dental fillings, have several useful attributes, including room- temperature fabrication, corrosion resistance, dimensional...
Products: Electronics & Computers
Dynatem (Mission Viejo, CA) offers the Intel® Core-Duo (Yonah) processor-based DPD VMEbus Single Board Computer (SBC). The DPD is a single-slot VMEbus (and VME64) compatible platform and requires only 5V from...
Briefs: Materials
A simple, inexpensive method for bonding solid objects exploits hydroxidecatalyzed hydration and dehydration to form silicatelike networks in thin surface and interfacial layers between...
Products: Electronics & Computers
The new line of high-frequency center probe test sockets from Aries Electronics (Frenchtown, NJ) can be used with devices requiring pitches as low as 0.40mm. The sockets are used in CSP, MicroBGA, DSP, LGA, SRAM, DRAM,...
Briefs: Mechanical & Fluid Systems
Balanced flow meters are recent additions to an established class of simple, rugged flow meters that contain no moving parts in contact with flow and are based on measurement of pressure drops across...
Products: Electronics & Computers
Lambda (San Diego, CA) has introduced the HWS1000 series of 1000-watt power supplies. The single-output power supplies are ideal for powering process control equipment, ATE, and factory automation systems. The power...
Articles: Motion Control
Evolutionary rather than revolutionary changes characterize the motion control market. Motors and motor controllers continue to gravitate toward higher performance and...
Application Briefs: Robotics, Automation & Control
The Onyx guided parachute designed and manufactured by Atair Aerospace (Brooklyn, NY) is an autonomous precision airdrop system. The unmanned aerial vehicle (UAV) uses motors and planetary...
Products: Robotics, Automation & Control
AMETEK Technical and Industrial Products (Kent, OH) has unveiled its MAE brand hybrid stepper motors in three series for high performance positioning applications. The HY Series steppers, in sizes 16, 17, 23, and 42,...
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