Abstract: The disclosure relates to a multipolarized broad band antenna and antenna system wherein the antenna structure is formed on a substrate, the antenna structure on the substrate including a central feedpoint, a first antenna element having a plurality of regions composed of first plural interconnected concentric sectors of circles of diminishing radius extending to the feedpoint, and a second antenna element having a plurality of regions composed of second plural interconnected concentric sectors of circles of diminishing radius extending to the feedpoint, the second plural concentric sectors being interleaved with the first plural concentric sectors.

Abstract: Doping of IIIB-VB semiconductor crystals grown by the liquid encapsulated Cyochralski techniques is improved by introducing a metal to the crucible. The metal is characterized as having a lower melting temperature and a lower free energy of oxide formation than the dopant element.

Abstract: An epitaxial stack (10) is provided that allows integration of both vertical and horizontal quantum effect devices. Epitaxial stack (10) allows fabrication of both quantum well resonant tunneling transistors (27) and Stark-effect transistors (34), thus allowing for circuit integration of different quantum effect devices in the same epitaxial stack.

Abstract: A universal connector including a housing of molded thermoplastic having a pair of slots in a side thereof for receiving therein plugs or wires of various shapes and sizes for connection with the connector and a slot for receiving therethrough a stud. A pair of copper blocks are positioned adjacent each other with a pair of beryllia washers and a temperature sensor therebetween. One block includes a pair of plain apertures extending entirely through the block. The other block includes a pair of threaded apertures extending entirely through that block. These apertures are aligned with the washers. The blocks also include opposing grooves which, together, form an aperture. A pair of nylon screws are threaded into the threaded apertures to secure the blocks into tight frictional engagement against the washers and the temperature sensor. A copper wire is secured to the block and a copper wire is secured to the block to provide electrical connection between the blocks and an external device.

Abstract: A system connectable into standard television receiver systems for converting predetermined channels thereof to audio only channels and detecting selection of the predetermined channels to cause blanking of the picture tube at individual receivers in the system. The antenna or cable input is altered by supplying a carrier with audio, code and horizontal sync information at a frequency corresponding to that of an unused channel. A tone decoder is responsive to the code and horizontal sync information to cause blanking of the display while the audio information is reproduced in normal manner.

Abstract: A method of manufacturing footwear and the footwear wherein the footwear is manufactured by providing a mold having a mold cavity, placing a sole member in the bottom of the mold cavity, placing a foamable material over the sole member within the mold cavity, providing a last having shoe upper means thereon, positioning the shoe upper means against the mold cavity to form an enclosed space therein formed by the shoe upper means and the sole member and foaming the foamable material within the enclosed space. The footwear comprises upper means and a sole member secured to the upper means, the sole member comprising a prevulcanized sole portion extending to and engaging the upper means to form a spew-proof cavity therebetween and a foamed material filling the cavity.

Abstract: The disclosure relates to a taco holder wherein a blank is provided with a central region and four legs extending outwardly from the central region, a pair of adjacent legs on each side of the central region. Each leg is in the shape of a right triangle with each leg being secured to the central region at a crease. Each leg includes a notch at a portion thereof remote from the central region, a pair of legs on opposite sides of the central region being opposed to each other whereby the notches therein can mate and form a V-shaped trough. Two such V-shaped troughs are thereby formed to support a taco therein. An adhesive material can be disposed on a surface of the central region to secure the taco holder to a table or the like to free the hands of the taco maker and also to prevent sliding of the taco during preparation or eating thereof.

Abstract: A substrate and method of manufacture wherein a substrate is molded from particulate material wherein grooves on and through the body are formed during substrate molding and prior to sintering. The substrate includes all buss structure molded therein. Cooling of chips is provided by providing a heat sink in grooves formed within a substrate and beneath the chips. Microcircuits are formed by disposing on the substrate and interconnecting via buss structures on the substrate various semiconductor dies with encapsulation of some or all of the substrates and components thereon, if desired. In addition, connection from the board to external circuits is available by means of an edge connector.

Abstract: A recoil diffuser (10) includes a plurality of weight elements (20, 22) and a plurality of plastic spring elements (30, 32, 40) fitted within a tube (12) to operate differentially upon being subjected to the forces of recoil as in a shotgun or the like. The end surfaces of the weight elements and of the plastic spring elements (see 24, 28) are shaped to optimize spring forces relative to displacement relative to overall size of the unit and mass of the weights.

Abstract: The disclosure relates to a method of forming carbon-carbon composites wherein prereaction of the filler ingredients takes place prior to the prepregging operation, thereby ensuring that the sealant phase is both homogeneous and unsegregated on a microscopic scale. Composites prepared from several constituent inhibitor powders often have one inhibitor component segregated within the carbon fabric and fiber bundles during compaction, debulking and press curing. Composites prepared from prereacted powders have inhibitor constituents mixed on an atomic scale. Thus, the oxide sealant which forms from the prereacted particulate filler has an optimized composition with all of the desirable qualities, such as level viscosity, good wetting, low water solubility, low reactivity with the carbon fibers and carbon matrix during graphitization and low reactivity with the chemically vapor deposited coating.

Abstract: A gasdynamic gas flow forms a lightguide wherein an incident coherent light wavefront, such as a laser beam, is reflected to produce a backward-travelling phase conjugated light wavefront. The nonlinear optical phase conjugation process occurs when the incident light intensity is large enough to achieve the intensity threshold required to initiate the phase conjugation process.

Abstract: The disclosure relates to knife blades for precision cutting, such as in optical surgery, wherein the blade or cutting edge is formed from a molded plastic filled with particulate material which is much harder than the plastic, the particles of particulate material being generally smaller in their largest dimension than the radius of curvature of the apex of the cutting edge. A thin coating of a metal which is much harder than the filled plastic is coated onto the cutting edge to replicate the molded shape and provide substantial additional hardness to the blade edge. In a further embodiment, a transducer is molded into the blade body adjacent the edge with all processing steps being at temperatures below those harmful to the transducer. Another embodiment provides light conducting elements molded into the blade body for measurement of cut depth or the like.

Abstract: The disclosure relates to an art medium which is readily moldable, has substantially the same feel as clay, can provide aesthetic exterior surfaces without additional processing steps, can be worked by standard metal working tools, such as drills, etc. and results in a metal end product. Briefly, the above is accomplished by homogeneously mixing together a powdered metal which is sinterable and a plasticizer. This composition is mixed together with a liquid, preferably water in sufficient quantity to provide the consistency desired by the user, the same as when operating with clay. Water is added during molding to replace that which evaporates to maintain the desired consistency. The powdered metal has an average particle size of from about 10 microns down to about 0.1 micron. The ratio by weight of powdered metal to plasticizer is from about 97% to about 91% powdered metal and from about 3% to about 9% plasticizer. A preferred ratio by weight is 95% powdered metal and 5% plasticizer.

Abstract: The disclosure relates to a method of making a cane juice beverage wherein cane juice is filtered and pasteurized and then fermented aerobically with agitation to provide a liquor an alcohol content of from about 11 to about 12% by weight. The fermented can juice is altered by the addition thereto of additional cane extract, flavorings and/or carbonation to obtain a Brix of 9 to 10 with an alcohol content in the range of 4 to 6% by weight. The liquid is clarified and then acidulated to a pH of 4.5 or less by the addition of acidic fruit juice and/or natural flavor extracts.

Abstract: The disclosure relates to a rodent exterminator wherein a box includes electrical wires at opposite sides of an entry opening thereinto with a hinged top for disconnectably providing power to the wires and permitting easy removal of an exterminated rodent with rapid availability for reuse. The box includes air vents in one side to permit the aroma of bait therein to permeate external to the box.

Abstract: The disclosure relates to a circuit using a relatively inexpensive low sampling rate resolution A/D converter for sampling repetitive signals which provides resolution far superior to that obtained normally from the converter being used. This is accomplished by providing a programmable variable delay which delays the system clock signal with respect to the trigger signal and controls the A/D converter with the delayed clock signal. The A/D converter receives input signal initiated by a flip flop responsive to a system start signal and the clock signal. The delay is varied for successive sampling of the repetitive signal received from the system under test so that sampling takes place at numerous points along the test signal. The converted signals are stored under joint control of the delayed clock signals and the output of the initiating signal from the flip flop. A gated clock circuit is used where an externally generated trigger is being used.

Abstract: The disclosure relates to a closed refrigeration system wherein refrigerant travelling between heat exchangers in the system is diverted to the evaporator in response to operation of a controller which responds to the temperature at the evaporator. Preferably the diverted refrigerant is the liquid phase thereof, separation of the liquid from the gaseous phase taking place between heat exchangers in a preferred embodiment of the invention. When the temperature at the evaporator is at a predetermined value, the controller can shut off the refrigerant diverting portion of the system to provide standard system operation.

Abstract: The disclosure relates to a story book wherein the rear cover is of increased thickness so that it can hold the necessary transparencies and optics therein for viewing and wherein predetermined pages of the story book are provided with apertures aligned with transparencies and optics associated therewith so that the viewer can observe the scene being depicted on a transparency by locking through the aperture on the page. The transparency illustrations which are disposed in the book rear cover, in one embodiment, are encased in opaque tubes, each tube being aligned with one of the apertures on the book pages. Each of the tubes includes a magnifying lens on the side of the rear cover closest the apertures on the pages and a transparency of the scene to be depicted between the lens and the portion of the rear cover remote from the apertures.

Abstract: A perforated flat ribbon heating element embedded or sandwiched between the porous material and perforated sheet of honeycomb acoustic panel material used for sound suppression and deicing on ice buildup areas of an aircraft engine.