Abstract: An immunoassay of a specimen of a serum or the like to determine the composition of immune complexes, includes producing on a plastic base a layer of a non-proteinaceous, non-ionic polymer which will adhere to the plastic base and has the capability of adsorbing immune complexes of the specimen, placing a specimen on the layer and treating the layer to produce an indication of the composition of the immune complexes. The polymer may be polyethylene glycol, dextran, polyvinyl chloride, a polymeric polyol or an adduct of polyethylene glycol or mixtures thereof. Washing with conventional solutions, addition of monoclonal and/or polyclonal antibodies coupled with an enzyme and addition of a substrate reactive therewith to determine the antigen component, are similar to the ELISA test, with color measurement as by spectrophotometer. Or, the addition of anti IgG-I.sup.125 and measurement by a scintillation counter may be used. Addition of IgG, IgA, IgE, IgG.sub.

Abstract: A microcomputer system for converting an analog signal, such as an audio or video signal representative of sound or video into a digital form for storing in digital form in a highly condensed code and for reconstructing the analog signal from the coded digital form. The system includes reductive analytic means where the original digital data stream is converted to a sequential series of spectrograms, signal amplitude histrograms and waveform code tables. Approximately 100 times less storage space than previously required for the storage of digitized signals is thereby obtained. Additive synthesis logic interprets the stored codes and recreates an output digital data stream for digital to analog conversion that is nearly identical to the original analog signal.

Abstract: A microscope illuminator containing an incandescent point source of illumination, an aspheric lens with heat absorbing characteristics defining an optical path for the illumination, a cut-off filter and a rotatable dichroic interference filter capable of being moved into the optical path of the illumination and capable of polarizing light as its angle of incidence with respect to the optical path is varied, a condensing lens and a rotatable mirror for receiving the polarized illumination from the dichroic filter and altering the optical path to coincide with the optical axis of a microscope. Additional filters are optionally provided.

Abstract: A microcomputer system for converting an analog signal, such as an audio signal representative of sound into a digital form for storing in digital form in a highly condensed code and for reconstructing the analog signal from the coded digital form is disclosed. The system includes reductive analytic means where the original digital data stream is converted to a sequential series of frequency spectrograms, signal amplitude histograms and waveform code tables. Approximately 100 times less storage space than previously required for the storage of digitized audio signals of high fidelity quality is thereby obtained. Additive synthesis logic interprets the stored codes and recreates an output digital data stream for digital to analog conversion that is nearly identical to the original analog signal.

Abstract: A scanning device which is capable of scanning documents at high speeds and high resolutions. The present invention uses automatic thresholding techniques and provides variable data compression to accommodate various end user host devices. The present invention is entirely menu driven and utilizes a cursor control and enter button to select the various options available through software.

Abstract: A method for fabricating a solid state semiconductor gas sensor and the semiconductor sensor itself for use in equipment detecting small amounts of H.sub.2 S. The method of sensor fabrication comprises spray deposition of a mixture of metal oxides mixed together with various metal and non-metal materials which serve in the finished product as activators, dopants, and/or film binder materials, and including in suspension a molecular sieve material, for enhancing porosity on a scale of molecular dimensions in the finished sensor. All of the foregoing materials are suspended in a suitable solution and preferably sprayed onto a heated insulating substrate to form the finished product. The example sensor, capable of selective detection of H.sub.2 S in air and a sensitivity of less than 1 PPM (part per million), is comprised of a platinum activated alumina, tin oxide, and zeolite molecular sieve material.

Abstract: A housing for a computer mouse device which supports the mouse above a working surface on a cushion of air or other gaseous fluid including a support device having incorporated therein structure for the distribution of the fluid between the mouse and the working surface so as to enable support of the mouse device above the working surface.

Abstract: A mail sorting system employing a modified mail conveyor in combination with a sorting table where articles of mail moving linearly in the direction of their longest dimension are deposited in a shingled pattern onto an angled sorting table surface provided with a conveyor so that the articles of mail are conveyed in the direction of their shortest dimension and in partial overlapping relationship.

Abstract: A fall arrester and emergency retrieval apparatus and a support tripod therefor, wherein an emergency retrieval assembly is operably associated with a clutch-brake type cable drum to enable cable dispensed from the cable drum and supporting a worker, subsequent to a fall to be selectively drawn in or extended from the assembly. The invention may comprise actuation assembly designed to hamper disengagement of the emergency retrieval assembly from the cable drum by unauthorized personnel subsequent to engagement and use of the emergency retrieval assembly. A specially adapted tripod assembly is described for anchoring the fall arrester and emergency retrieval apparatus which allows the apparatus to be mounted on a leg portion thereof or suspended from a central portion thereof, for facilitating use of the fall arrester and emergency retrieval apparatus in confined entry applications.

Abstract: It has been discovered that a fuel additive comprising a major proportion of a high molecular weight amine, and minor proportions of naphtha and a polyalphaolefin synthetic oil, together with a small amount of a biocide and a minor proportion of a manganese-containing organometallic compound, preferably manganese linoleate, can be combined with fossil fuels in a ratio of about one part additive to 8,000 parts of fuel to produce a combustion efficiency improvement together with an inhibition of polymerization and bacteria, as well as a rust inhibitor, in stored fuels which is capable of depolymerizing and dispersing sludge and sludge forming polymers in stored fuel as well as improving the combustion efficiency of such fuels in use by improving fuel consumption in relation to heat output while reducing soot and scale and emissions.

Abstract: A hair removing composition for use on carcasses, skins, hides, and pelts, containing preselected proportions of alkali, buffering agents, surface active agents, foaming agents, and stabilizers in combination with preselected thioglycolates.

Abstract: A self-relieving bar screen, for intercepting debris moved by a liquid through a conduit into a space having a greater lateral dimension, includes a series of bars disposed in spaced lateral relation in a position normally opposite the discharge end of the conduit, with a lower, generally forwardly extending portion of each bar below the lower edge of the conduit and a generally upwardly portion extending up to opposite the upper edge of the conduit. The series of bars extend laterally past each side of the conduit but for a distance less than the width of the wall at which the conduit terminates. The side spaces thus provided permit liquid to flow to each side of the bars, in the event debris accumulates on the bars and may otherwise tend to obstruct the flow of liquid. The bar screen may be moved upwardly periodically with the debris collected thereby and emptied into a receptacle or the like, through a pivotal rake which is specially positioned.

Abstract: A composition for removing hair from full hair whole carcasses, skins, hides and pelts comprising:______________________________________ Approx. Wt. (%) ______________________________________ Water 78.00-94.00 Sodium Hydroxide 2.00-6.00 Sodium Gluconate 0.10-0.50 Trisodium Phosphate 1.00-3.00 Triethanolamine Lauryl Sulfate 0.50-2.00 Cocodiethanolamide 0.05-0.10 Sodium Metasilicate 0.50-0.20 Sodium Thioglycolate 0.45-5.00 Triethonolamine Dodecyl Benzene 0.50-1.50 Sulfonate Calcium Hydroxide 1.00-4.

Abstract: Composition produced from paving grade asphalt, process oil (not over 32%) and SBR rubber or rubbers, such as butadiene-styrene copolymers, in decreasing amounts by weight. A preferred range is asphalt 41.9-61.25%, process oil 18-25%, lower molecular weight butadiene-styrene copolymer 8-17%, higher molecular weight butadiene-styrene copolymer 2-4% and filler, such as limestone dust, 0-20%. Other preferred formulae are shown, as well as temperature and other conditions of the preferred method, including reheating of composition for application to joints, cracks and the like.

Abstract: A decorative corrugated paper product having a preprinted and/or decorated transparent plastic film adhesively applied to at least one side of facing sheet, the other side of which is adapted for subsequent adhesion to a fluted corrugated medium in the preparation of the corrugated product, wherein the printing and/or decoration is visable through the plastic film on the exterior of the facing sheet.

Abstract: Transfer waste water from wash cycle of dishwasher to collection tank beneath heat exchanger surrounding hollow central space, pass waste water through dual tube heat exchanger in countercurrent relation to cool feed water for hot water heater in central space of heat exchanger, supply heat to water in heater, then hot water to dishwasher rinse. May circulate feed water downwardly through outer space of heater, formed by partition, to lower end of inner space, in which heat is supplied by electrical immersion heaters. Ends of tank of hot water may be semi-oval, semi-elliptical or the like, while partition may be sufficiently close to bottom of tank to produce a wire-drawing effect as inlet water flows from outer to inner space, thereby maintaining light or small particles which fall off electric heaters in circulation, so that such particles will be removed with hot water. Heavier particles will collect in bottom of tank and may be drained periodically.

Abstract: A latching and locking snap hook utilizing a conventionly shaped snap hook body having a normally open hook end portion which is opened and closed to receive and discharge a connector, line or other fixture by movement of a spring biased latch member pivotally connected to the snap hook body at a position remote from the open hook portion, the spring biased latch member extending beyond the body of the snap hook on the side opposite to the open hook end and capable of being moved in a direction away from the hook end portion about the pivot to open the snap hook end portion when a locking member received between the snap hook body and the spring biased latch is moved from a position where it interferes with the movement of the latch to a position where it does not interfere with that movement.

Abstract: A holding tank receives waste water from a dishwasher or laundry machine having a rinse cycle and at least one wash cycle. A pump moves the waste water through a heat exchanger at the same time that the rinse cycle requires hot water from a hot water heater. The cold water feed for the hot water heater is also passed in countercurrent heat exchange relationship with the waste water to provide warmed or heated makeup water at the same time that hot water is being withdrawn therefrom. The cooled waste water from the heat exchanger may be collected in a tank and supplied to any one or more of several additional devices, such as a water cooled refrigerant compressor, a grease extraction ventilator having water contact means, a waste food grinder, etc. The ventilator and compressor may also be placed in series, while the cooling water heated in the compressor is recirculated to the heat exchanger.

Abstract: A locking and latching snap hook, including an open hook body portion which is opened and closed to receive and discharge a to-be-connected item by movement of a normally closed, resiliently biased, latch member pivotally connected to the body. The hook body and latch member each generally carry a portion of one or more locking mechanisms which allows them to be releasably locked together to provide, along with the resilient bias latching, a locking capability to avoid inadvertent disengagement of the latch member from the hook body. The resiliently biased latch member extends beyond the body of the hook on the side opposite to the open hook end, and is capable of being selectively moved in a direction away from the hook end portion about the pivot to open the hook end portion of the body, when the locking mechanism is unlocked, and while simultaneously exerting pivoting force on the resiliently biased normally closed latch member.