-1
10890
30
Briefs: Photonics/Optics
A proposed complementary metal oxide/semiconductor (CMOS) integrated-circuit imaging device of the active-pixel sensor (APS) type is capable of simultaneously generating the pixel-by-pixel sum...
Briefs: Electronics & Computers
Software for Analyzing Telecommunication Link Performance
The Telecom Forecaster Predictor (TFP) is a multi-mission computer program for analyzing deep space telecommunication links. Analysts use the TFP for link planning, performance prediction, and post-pass trending analysis. For each mission, multiple users access a controlled set of TFP...
Briefs: Photonics/Optics
Integrated-circuit imaging devices of a proposed type would contain planar arrays of microscopic sensors that would exploit giant magnetoresistance (GMR). Each GMR sensor in such a device...
Briefs: Manufacturing & Prototyping
A process for making precise, high-quality curved or flat mirror surfaces on bare aluminum substrates has been devised. The process consists of (1) diamond turning to establish the...
Briefs: Motion Control
In a proposed technique for fabrication of microelectromechanical devices, thin films of fullerenes would be used as temporary packaging to protect and position delicate components....
Briefs: Materials
Model Simulates Semi-Solid Material Processing
David Spencer (MIT) developed semi-solid material processing through an accidental observation he made while dealing with the processing of metals in their mushy state. The semi-solid material process basically consists of two stages: pre-processing and processing. During pre-processing, the...
Briefs: Motion Control
A data system generates information on the position and orientation of a pointing instrument (e.g., a telescope or a laser) that could be mounted on a moving platform (e.g., an aircraft) and...
Briefs: Photonics/Optics
A method of processing phase measurements in a large, unequal-arm laser Michelson interferometer makes it possible to measure phase effects much smaller than the laser phase noise....
Briefs: Motion Control
An improved secondary wing system of the canard type has been invented to improve performance and increase efficiency of airplanes capable of flight at supersonic and high subsonic speeds. Canards, including small...
Briefs: Photonics/Optics
Improved Dynamic Holographic Optical-Interconnection System
An improved visual display system for a helmet produces two- and three-dimensional images by use of the limited domain of spatial light modulation (SLM) values. One especially notable improvement incorporated into the design of this system is a simplification in the design of dynamic...
Briefs: Photonics/Optics
Optoelectronic oscillators (OEOs) that incorporate carrier-suppression subsystems for reduction of close-to-carrier phase noise are undergoing development. The carrier-suppression...
Briefs: Photonics/Optics
A control scheme for nulling interferometry has been devised to make it possible to stabilize interferometric optical-path-length differences to within approximately a nanometer. This...
Briefs: Electronics & Computers
The Autogenic Clinical/Lab System (ACLS) is a personal-computer-based instrumentation system for physiological training. This system can be used to implement a program of multiparameter...
Briefs: Electronics & Computers
Very-large-scale integrated (VLSI) circuits containing electronically reconfigurable arrays of transistors have been proposed as means to implement a forthcoming generation of a...
Briefs: Electronics & Computers
A proposed active tactile display device would present textual and graphical information to a blind person. The concept of this device is a byproduct of recent research on the use of...
Briefs: Information Technology
Program Automates Management of IBM VM Computer Systems
The VM Automated System computer program was developed to satisfy a need for efficient management of operations in a large client/server computer network that includes multiple mainframe computers and multiple local-area subnetworks. Functions performed by the program include the following:
Briefs: Electronics & Computers
System for Monitoring the Environment of a Spacecraft Launch
A system that includes sensors and computers that communicate via an intranet enables both real-time monitoring and subsequent analysis of acoustic, overpressure, and thermal aspects of a spacecraft-launch environment and the structural response (vibration and strain) to that...
Briefs: Test & Measurement
Miniature fiber-optic-coupled sensors based on optically excited, self-resonant microbeams are being developed for measuring stresses and strains within muscle fascicles and tendons....
Briefs: Test & Measurement
Optical Measurement of Temperatures in Muscles and Tendons
Miniature fiber-optic-coupled sensors based on optically excited, self-resonant microbeams have been proposed for measuring temperatures within muscle fascicles and tendons. The proposed sensors could be used in medical and biological research on humans and other animals. The proposed...
Briefs: Test & Measurement
An improved high-resolution thermometer (HRT) for use in scientific experiments at temperatures
Briefs: Electronics & Computers
A heterodyne optical interferometer of a type used to measure small displacements can be augmented to suppress a phenomenon, called "self-interference," that tends to limit the achievable...
Briefs: Electronics & Computers
Storage batteries based on intercalation of lithium and bromine in graphite have been proposed. Like other storage batteries, these could be recharged electrically. Optionally, these...
Briefs: Electronics & Computers
Signal Processor for Doppler Measurements in Icing Research
An advanced signal processor has been developed to enable high-resolution measurement of the frequency and phase shifts of noisy laser Doppler velocimeter (LDV) and phase Doppler particle analyzer (PDPA) signals. The purpose of the measurements is to exploit the phase Doppler principle to...
Briefs: Software
Paper, tea, tobacco, and other food and industrial goods use drying tunnels to remove moisture from wet product sheets during manufacture. The tunnels operate using a fan to supply drying air to the product...
Briefs: Materials
High-Performance POSS-Modified Polymeric Composites
Epoxies and/or cyanate esters that incorporate polyhedral oligomeric silsesquioxane (POSS) compounds are undergoing development at Air Force Research Laboratory (AFRL). These formulations are expected to be useful as high-performance matrix resins for advanced, lightweight fiber/matrix composite...
Briefs: Materials
Model Simulates Semi-Solid Material Processing
David Spencer (MIT) developed semi-solid material processing through an accidental observation he made while dealing with the processing of metals in their mushy state. The semi-solid material process basically consists of two stages: pre-processing and processing. During pre-processing, the...
Briefs: Materials
Modular Cryogenic Insulation
"Modular cryogenic insulation" denotes a chaff for installation in the partially evacuated annular spaces between the inner and outer walls of tanks used to store and transport liquid nitrogen and other cryogenic liquids. The insulating chaff was developed to replace low-density powders (e.g., perlite, silica aerogel,...
Briefs: Mechanical & Fluid Systems
The tail boom of a single-rotor helicopter is subjected to a complex flow field that includes the wakes of the main and tail rotors, the freestream, and the wake from the forward...
Briefs: Mechanical & Fluid Systems
Computer Program Predicts Rocket Noise
A computer program predicts the noise and ignition over pressure in the vicinity of a rocket during launch. The program has been developed to complement the vibroacoustic-prediction effort for rockets now in use and to provide the capability for prediction of vibroacoustic loads associated with...
Top Stories
Blog: Manufacturing & Prototyping
2025 Holiday Gift Guide for Engineers: Tech, Tools, and Gadgets
INSIDER: Research Lab
Scientists Create Superconducting Semiconductor Material
Blog: Software
Quiz: Materials
Blog: Aerospace
Tech Briefs Wrapped 2025: Top 10 Technology Stories
Blog: Manufacturing & Prototyping
Webcasts
Upcoming Webinars: AR/AI
The Real Impact of AR and AI in the Industrial Equipment Industry
Upcoming Webinars: Motion Control
Next-Generation Linear and Rotary Stages: When Ultra Precision...
Upcoming Webinars: Energy
Hydrogen Engines Are Heating Up for Heavy Duty
Podcasts: Medical
How Wearables Are Enhancing Smart Drug Delivery
Podcasts: Power
SAE Automotive Podcast: Solid-State Batteries
Podcasts: Power
