Briefs: Software
Program Distributes and Tracks Organizational Memoranda

Closed Loop Accounting Management System (CLAMS) is a computer program for Web-based distribution and tracking of memoranda within an organization. An item for distribution is entered by a user who has administrative access. The item is assigned to affected users, to whom e-mail messages...

A device based on the transport of water through a membrane to a vacuum has been developed for dehumidifying a stream of air in the life-support system of a spacecraft or space suit. The...

A mount has been devised to satisfy a requirement to suspend a highly precise, flat, circular, low-thermal-expansion glass mirror in a horizontal plane with its reflective side...

In an advanced method of administering drugs to target sites in human bodies, the drugs in liquid form are contained in microcapsules that are injected, and then, by exposing the...

Briefs: Medical
Combinatorial Drug Design Augmented by Information Theory

A proposed method of designing antiviral drugs provides for the utilization of combinatorial-chemistry techniques that have been used previously for this purpose, in conjunction with applicable principles of information theory. In its information-theoretic aspect, the method can be...

An optical absorbance cell that offers a selection of multiple optical path lengths has been developed as part of a portable spectrometric instrument that measures absorption spectra of small...

A mathematical model has been developed for use in analyzing the dynamics of an isothermal, non-chemically-reacting mixture of particles in a bubbling fluidized bed. Although the...

High-throughput, non-imaging, secondary concentrating optics that utilize refraction and total internal reflection are undergoing development for use in conjunction with advanced...

Briefs: Physical Sciences
Cold Flow Calorimeter

The cold flow calorimeter is an apparatus for measuring a possibly rapidly varying heat-transfer coefficient on a surface. The cold flow calorimeter includes (1) a small strain gauge bonded to a small, thin steel shim that is placed on the surface of interest and (2) a circuit that controls the electric power supplied to...

The Continuous Hazard Tracking and Failure Prediction Methodology (CHTFPM) is a proactive methodology for gathering and analyzing information about a system in order to prevent...

A method of estimating and correcting for the effect of polarization leakage on the response of a heterodyne optical interferometer has been devised. In a typical application in which...

An efficient artificial-intelligence-type algorithm for the propagation of temporal constraints has been devised for incorporation into software that performs scheduling...

Continuous Activity Scheduling Planning Execution and Replanning (CASPER) is a computer program for automated planning of interdependent activities within a system subject to requirements,...

Briefs: Mechanical & Fluid Systems
Heart-Pump-Outlet/Cannula Coupling

A fluid coupling has been developed for use in securing a vascular outflow graft (cannula) to the outlet of a surgically implanted NASA/DeBakey heart assist pump. The design of the coupling can also be...

Briefs: Mechanical & Fluid Systems
Surface-Launched Explorers for Reconnaissance/Scouting

Small, instrumented, expendable robotic aircraft and projectiles have been proposed for use in scouting for targeted new sites by providing closeup images with ~10-cm resolution,...

Briefs: Motion Control
Firmware for a Small Motion- Control Processor

A C-language computer program implemented as firmware controls the operations of a microprocessor on a 3-by- 1-inch (approximately 76-by-25-mm) motion-control circuit board denoted a widget board. The firmware implements a serial communication interface according to the inter integrated circuit bus...

Briefs: Mechanical & Fluid Systems
Gear Bearings and Gear-Bearing Transmissions

Gear bearings are conceptual mechanical components so named because they function as gears and as roller and/or thrust bearings. Gear bearings will be essential components of the next generation...

Briefs: Mechanical & Fluid Systems
Linear Dynamometer With Variable Stroke and Frequency

An improved linear dynamometer has been developed for testing linear alternators that are to be used to convert mechanical power to electrical power in free-piston Stirlingcycle engines....

"Laser-based adaptive wavelength division multiplexing and code division multiplexing" (LAWDM-CDM) is the name of a method that has been proposed to increase security,...

A magnetically suspended, motor-driven light-chopping wheel has been developed as an alternative to a traditional light-chopping wheel suspended on ball bearings. This chopper (see figure) is...

A video camera has been integrated with a tracking pedestal (see figure) for tracking of aircraft and spacecraft. The camera is of a high-definition (1,280 × 720 pixels),...

Briefs: Photonics/Optics
Mesoscopic Steerable Mirror

A proposed lightweight, micromachined, multiaxis-steerable mirror would have mesoscopic dimensions. Its steering function would involve mesoscopic positional excursions of its support points and would be...

Improved electrochemical systems for generating ozone (in gaseous form and/or dissolved in water) have been invented for use in disinfection and in industrial processes in which the...

An all-digital demodulator has been developed for receiving radio signals with multigigahertz carrier frequencies phase-modulated with digital data signals at bit rates of hundreds of...

Briefs: Electronics & Computers
Reusable Software for Autonomous Diagnosis of Complex Systems

A software system designed to provide a purely signal-based diagnosis of virtually any time-varying system has been developed. This software is part of an overall concept called “Beacon-based Exception Analysis for Multimissions,” or BEAM. This concept provides for real-time...

The TAXI Direct-to-Disk interface is a special-purpose interface circuit for demultiplexing of data from a Racal Storeplex (or equivalent) multichannel recorder onto...

Briefs: Software
Program Improves Transfer of Data From CAD to Machine Shops

The EMNet computer program has been developed to overcome the difficulties and reduce the errors that, heretofore, have been encountered in transferring data from computer-aided design (CAD) systems to computer numerically controlled (CNC) machines. EMNet could improve operations in...

Briefs: Information Technology
Compensating for Motion Errors in UWB SAR Data

A method of processing data acquired by ultra-wide-band (UWB) syntheticaperture radar (SAR) provides for suppression of those errors that are caused by the undesired relative motion of the radar...

Briefs: Software
Program for International-Temperature-Scale Calculations

A computer program implements several aspects of the International Temperature Scale of 1990 (ITS90).

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