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| Number | Title | Issue Date |
| 5963683 | Photonic switching devices using light bullets A unique ultra-fast, all-optical switching device or switch is made with readily available, relatively inexpensive, highly nonlinear optical materials, which includes highly nonlinear optical glasses, semiconductor crystals and/or multiple quantum well se... | 10/05/1999 |
| 5963310 | Surface imaging skin friction instrument and method A surface imaging skin friction instrument allowing 2D resolution of spatial image by a 2D Hilbert transform and 2D inverse thin-oil film solver, providing an innovation over prior art single point approaches. Incoherent, monochromatic light source can be... | 10/05/1999 |
| 5774669 | Scalable hierarchical network management system for displaying network information in three dimensions A network management system has SNMP agents distributed at one or more sites, an input output module at each site, and a server module located at a selected site for communicating with input output modules, each of which is configured for both SNMP and HN... | 06/30/1998 |
| 5772912 | Environmentally friendly anti-icing The present invention describes an aqueous, non-electrolytic, non-toxic, biodegradable, continuous single phase liquid anti-icing or deicing composition for use on the surfaces of, for example, aircraft, airport pavements, roadways, walkways, bridges, ent... | 06/30/1998 |
| 5750450 | Ablation resistant zirconium and hafnium ceramics High temperature ablation resistant ceramic composites have been made. These ceramics are composites of zirconium diboride and zirconium carbide with silicon carbide, hafnium diboride and hafnium carbide with silicon carbide and ceramic composites which c... | 05/12/1998 |
| 5738298 | Tip fence for reduction of lift-generated airframe noise The present invention is directed toward a unique lift-generated noise reduction apparatus. This apparatus includes a plurality of tip fences that are secured to the trailing and leading assemblies of the high-lift system, as close as possible to the disc... | 04/14/1998 |
| 5694939 | Autogenic-feedback training exercise (AFTE) method and system The autogenic-feedback training exercise (AFTE) method of the present invention is a combined application of physiologic and perceptual training techniques, such as autogenic therapy and biofeedback. This combined therapy approach produces a methodology t... | 12/09/1997 |
| 5691687 | Contactless magnetic slip ring A contactless magnetic slip ring is disclosed having a primary coil and a secondary coil. The primary and secondary coils are preferably magnetically coupled together, in a highly reliable efficient manner, by a magnetic layered core. One of the secondary... | 11/25/1997 |
| 5675513 | Method of calibrating an interferometer and reducing its systematic noise Methods of operation and data analysis for an interferometer so as to eliminate the errors contributed by non-responsive or unstable pixels, interpixel gain variations that drift over time, and spurious noise that would otherwise degrade the operation of ... | 10/07/1997 |
| 5672389 | Low-density resin impregnated ceramic article and method for making the same A low-density resin impregnated ceramic article advantageously employed as a structural ceramic ablator comprising a matrix of ceramic fibers. The fibers of the ceramic matrix are coated with an organic resin film. The organic resin can be a thermoplastic... | 09/30/1997 |
| 5657795 | Method to produce flexible ceramic thermal protection system resistant to high aeroacoustic noise A method of producing a three dimensional angle interlock ceramic fiber which is stable to high aeroacoustic noise of about 170 decibels and to high temperatures of about 2500 degrees F. is disclosed. The method uses multiple separate strands of a ceramic... | 08/19/1997 |
| 5651079 | Photonic switching devices using light bullets The present invention is directed toward a unique ultra-fast, all-optical switching device or switch made with readily available, relatively inexpensive, highly nonlinear photonic glasses. These photonic glasses have a sufficiently negative group velocity... | 07/22/1997 |
| 5649064 | System and method for modeling the flow performance features of an object The method and apparatus includes a neural network for generating a model of an object in a wind tunnel from performance data on the object. The network is trained from test input signals (e.g., leading edge flap position, trailing edge flap position, ang... | 07/15/1997 |
| 5633975 | Security system responsive to optical fiber having Bragg grating An optically responsive electronic lock is disclosed comprising an optical fiber serving as a key and having Bragg gratings placed therein. Further, an identification system is disclosed which has the optical fiber serving as means for tagging and identif... | 05/27/1997 |
| 5616104 | Human powered centrifuge A human powered centrifuge has independently established turntable angular velocity and human power input. A control system allows excess input power to be stored as electric energy in a battery or dissipated as heat through a resistor. In a mechanical em... | 04/01/1997 |
