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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 5149517 | High strength, melt spun carbon fibers and method for producing same Hollow carbon fibers and carbon fibers having a generally C-shaped transverse cross-sectional area are produced by extruding a carbonaceous anisotropic liquid precursor through a spinneret having a capillary with a generally C-shaped cross-sectional area,... | 09/22/1992 |
| 5114697 | High strength, high modulus pitch-based carbon fiber A high strength, high modulus pitch-based carbon fiber has a crystalline structure in which the presence of the (112) cross-lattice line and the resolution of the diffraction band into the (100) and (101) diffraction lines, which indicate the three-dimens... | 05/19/1992 |
| 5108830 | Shape-stable reentry body nose tip A reentry body nose tip constructed from materials and produced by a proc such that shape stability is maintained under ablative erosion occurring during atmospheric reentry.... | 04/28/1992 |
| 5108458 | Sizing agent for carbon fiber This invention provides a sizing agent for carbon fiber which contains an isocyanate regenerating compound which is an isocyanate compound, the --NCO group of which is stabilized with a blocking agent. Further provided are carbon fiber improved in adhesio... | 04/28/1992 |
| 5106606 | Fluorinated graphite fibers and method of manufacturing them Fluorinated graphite fibers comprising an intercalated compound of graphite fibers, having a three-dimensional crystal structure in which carbon hexagonal network faces are substantially in parallel with the axis of the fibers, and are oriented in a coaxi... | 04/21/1992 |
| 5098688 | Carbon fibres Polyacrylonitrile (PAN)-based carbon fiber in the form of a filament bundle has a high Modulus and a high Tensile Strength in the Impregnated Strand Test respectively between about 42 million and 50 million psi and between about 600,000 and 900,000 psi, a... | 03/24/1992 |
| 5093214 | Thin carbon plate suitable for use as fuel cell separator A thin carbon plate obtained by forming a polycarbodiimide resin or a mixture of a polycarbodiimide resin and polycarbodiimide fibers into a thin plate and carbonizing the thin plate. This thin carbon plate is suitable for use as a fuel cell separator.... | 03/03/1992 |
| 5076845 | Process for producing formed carbon products The present invention discloses a process for producing a formed carbon products which comprises the steps of mixing a pitch or a pitch precursor and at least one kind of polymer becoming compatible with the pitch or the pitch precursor by heat-treating a... | 12/31/1991 |
| 5075160 | Ceramic fiber reinforced filter A filter for removing particulate matter from high temperature flowing fluids, and in particular gases, that is reinforced with ceramic fibers. The filter has a ceramic base fiber material in the form of a fabric, felt, paper of the like, with the refract... | 12/24/1991 |
| 5073412 | Method of intercalating large quantities of fibrous structures A method of intercalating large quantities of fibrous structures uses a rotatable reaction chamber containing a liquid phase intercalate. The intercalate liquid phase is controlled by appropriately heating, cooling or pressurizing the reaction. Rotation o... | 12/17/1991 |
| 5071700 | Carbon fiber-reinforced carbon composite material Disclosed herein are a carbon fiber-reinforced carbon composite material composed of carbon as a matrix and carbon fiber as a reinforcement, and also a process for producing the same. The composite material is produced by coating nonwoven fabrics of carbo... | 12/10/1991 |
| 5047292 | Pitch-based carbon fiber and process for preparation thereof A pitch-based carbon fiber having a microstructure consisting of strip-like structural units extended in the longitudinal direction of the fiber, wherein the fractal dimension D of the arrangement of the strip-like structural units in the cross-section of... | 09/10/1991 |
| 5037697 | Carbon fiber and process for producing the same The present invention relates to a carbon fiber having a novel structure in which the outer circumferential part of fiber section is constituted of an optically isotropic component and its central part is constituted of an optically anisotropic component ... | 08/06/1991 |
| 5034267 | Carbonaceous fiber or fiber assembly with inorganic coating A thermally stable metal coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various concentrations of oxygen at elevated temperatures said fibers... | 07/23/1991 |
| 5030509 | Carbonaceous fiber or fiber assembly with inorganic coating A thermally stable ceramic and/or metal coated carbonaceous linear fiber batting, fiber tow, yarn or fabric which maintains some degree of stability in the presence of various concentrations of oxygen at elevated temperatures.... | 07/09/1991 |
| 5030435 | Process for producing chopped strand of carbon fiber The present invention relates to a process for producing a carbon fiber chopped strand which comprises preparing a pitch fiber from petroleum pitch or coal pitch, cutting the pitch fiber to a predetermined desired length, heating the cut pitch fiber at a ... | 07/09/1991 |
| 5028477 | Carbonaceous fiber or fiber assembly with inorganic coating A thermally stable ceramic coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various concentrations of oxygen at elevated temperatures said fibe... | 07/02/1991 |
| 5004590 | Carbon fibers Polyacrylonitrile (PAN)-based carbon fiber in the form of a filament bundle has a high Modulus and a high Tensile Strength in the Impregnated Strand Test respectively between about 42 million and 50 million psi and between about 600,000 and 900,000 psi, a... | 04/02/1991 |
| 4990285 | Balanced ultra-high modulus and high tensile strength carbon fibers Carbon fibers having balanced properties comprising an ultra-high modulus greater than 100 Mpsi and a high tensile strength of greater than 500 kpsi. The carbon fibers are derived from a solvent fractionated pitch having a mesophase content of greater tha... | 02/05/1991 |
| 4988492 | Method for infusibilizing pitch fibers This invention provides a method for infusibilization of pitch fibers for production of carbon fibers which comprises putting pitch fibers prepared by melt spinning from a spinning pitch in containers, introducing in succession the containers containing t... | 01/29/1991 |
| 4983451 | Carbon fiber-reinforced carbon composite material and process for producing the same Disclosed herein are a carbon fiber-reinforced carbon composite material composed of carbon as a matrix and carbon fiber as a reinforcement, and also a process for producing the same. The composite material is produced by coating nonwoven fabrics of carbo... | 01/08/1991 |
| 4983457 | High strength, ultra high modulus carbon fiber A high strength, ultra high modulus carbon fiber is characterized by the presence of the (112) cross-lattice line and the resolution of the diffraction band into two distinct lines (100) and (101), which indicate the three-dimensional order of the crystal... | 01/08/1991 |
| 4981751 | Melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers An acrylic multifilamentary material possessing an internal structure which is particularly suited for thermal conversion to high strength carbon fibers is formed via a specifically defined combination of processing conditions. The acrylic polymer while i... | 01/01/1991 |
| 4981752 | Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers An acrylic multifilamentary material possessing an internal structure which is well suited for thermal conversion to high strength carbon fibers is formed via a specifically defined combination of processing conditions. The acrylic polymer while in substa... | 01/01/1991 |
| 4977023 | Elastic carbon fibers A fiber made of pitch is disclosed. In the preferred and illustrated embodiment, the fiber has a percent elongation of about 2 percent or greater. This fiber is made by melt spinning an optically isotropic pitch to form a fiber typically in the range of a... | 12/11/1990 |
| 4975262 | Three dimensional woven fabrics of pitch-derived carbon fibers Three dimensional woven fabrics containing bent parts of a small radius of curvature which bent parts comprise easily graphitized pitch-derived carbon fibers obtained by thermosetting treatment and light carbonization treatment carried out after melt-spin... | 12/04/1990 |
| 4970123 | Isotropically reinforced net-shape microcomposites A novel isotropically reinforced microcomposite is described. An entirely fluid-phase method has been devised for producing the net-shape filamentary structures. The process depends for its success on the ability to generate in situ, within a shaped mold,... | 11/13/1990 |
| 4938941 | Partially carbonized polymeric fibrous material having an electrical resistivity of enhanced stability Partially carbonized polymeric fibrous materials heretofore available have been observed to exhibit unstable electrical resistivity values upon exposure to ambient conditions with such values substantially increasing upon the passage of time. In accordanc... | 07/03/1990 |
| 4927620 | Process for the manufacture of carbon fibers and feedstock therefor Disclosed herein is an improved pitch for making readily stabilizable, substantially nonmesophasic carbon fibers. The pitch has a softening point of about 250° C. (480° F.) or above and is produced from an unoxidized thermal petroleum pitch by selective... | 05/22/1990 |
| 4918117 | Polybutadiyne coated carbon fiber reinforced polymer composites Polymer composites reinforced with carbon fibers coated with polybutadiyne and the coated fibers are described. The polybutadiyne coating is formed in a closely adherent film on or slightly below the surface of carbon fibers by substantially simultaneousl... | 04/17/1990 |
| 4915926 | Balanced ultra-high modulus and high tensile strength carbon fibers Carbon fibers having balanced properties comprising an ultra-high modulus greater than 100 Mpsi and a high tensile strength of greater than 500 kpsi. The carbon fibers are derived from a solvent fractionated pitch having a mesophase content of greater tha... | 04/10/1990 |
| 4913889 | High strength high modulus carbon fibers High strength, high modulus carbon fibers derived from high mesophase content pitch, having a plurality of sheets formed of planes of hexagonal carbon networks oriented, in the direction of the fiber axis and having a cross-sectional arrangement which doe... | 04/03/1990 |
| 4902563 | Carbonaceous fiber or fiber assembly with inorganic coating A thermally stable ceramic and/or metal coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various concentrations of oxygen at elevated temperatu... | 02/20/1990 |
| 4898723 | Method for producing high strength, high modulus mesophase-pitch based carbon fibers A method for producing mesophase pitch based carbon fibers which enables to produce high strength high modulus carbon fibers at a relatively low temperature with stabilized production manner. This method comprises carbonizing infusibilized fibers, in an i... | 02/06/1990 |
| 4895712 | Process for producing carbon fiber and graphite fiber A process for producing carbon fiber or graphite fiber is provided. The process comprises spinning a carbonaceous pitch, doubling spun pitch fiber bundles, adding a heat resistant doubling treatment oil, passing the fiber bundles continuously and linearly... | 01/23/1990 |
| 4882139 | Improved production of carbon fibers In a process for the production of carbon fibers from high boiling bituminous substances in which a purified and polymerized concentrated carbon fiber precursor is spun into fibers which are oxidized and then carbonized and optionally graphitized, the imp... | 11/21/1989 |
| 4867852 | Electrolytic method for after-treatment of carbon fiber A method for after-treatment of carbon fiber, which comprises by electrolytic oxidation treatment in an aqueous solution having an ammonium ion concentration of 0.2 to 4.0 mol/l and a pH of at least 7 using the carbon fiber as an anode, followed by treati... | 09/19/1989 |
| 4865931 | Secondary electrical energy storage device and electrode therefor An electrode suitable for use in energy storage devices is described which is made of an assembly of an electrically conductive carbonaceous material having conjugated and preferably polybenzenoid plate-like structures. The carbonaceous material has a You... | 09/12/1989 |
| 4863708 | Process for producing carbon fibers and the carbon fibers produced by the process Disclosed herein is a process for producing pitch-based carbon fibers having the specific properties comparable to those of polyacrylonitrile(PAN)-based carbon fibers, wherein an optically isotropic pitch obtained by polymerizing naphthalene at a temperat... | 09/05/1989 |
| 4861575 | Method of producing carbon fibers by overwrappings tows Carbon fibers may be made by a process comprising: overwrapping a multifilament polyacrylonitrile tow with a thread of material to maintain the tow as an integral bundle, followed by stabilizing said tow by heating in an oxidizing atmosphere at a temperature b... | 08/29/1989 |
