| Band Interacting Tunnel Heterojunctions. |
29 JAN 1979 |
|
| Authors:
G. A. Sai-Halasz; L. Esaki; DEPARTMENT OF THE ARMY WASHINGTON D C
|
 | A bilateral tunnel device having a voltage dependent transfer coefficient is disclosed which includes a heterostructure consisting of a first layer of GaSb(1-y)AS(y,) a second layer of In(1-x)Ga(x)As, and a third layer of GaSb(1-7)As(7). The thicknesses of the first and third layers are not critical but the thickness of the second layer must be less than 200 angstroms thick. It is also disclosed that other alloys of Group III and ... |
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| Fire-Safe Hydrocarbon Fuels. |
11 OCT 1978 |
|
| Authors:
George E. Fodor; William D. Weatherford Jr.; Bernard R. Wright; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This patent application covers a stabilized, fire-safe, aqueous hydrocarbon fuel emulsion prepared by mixing: a diesel fuel; an emulsifier (consisting of oleyl diethanolamide, diethanolamine, and diethanolamine soap of oleic acid) which has been treated with about 0-7 1/2 of oleic acid. A modified version of this fuel also contains 0-0.5% of an antimisting agent, and water. The invention described herin may be manufactured, and licensed by or for the Government ... |
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| Connector, Reducer/Adapter, Flare to Flareless. |
26 SEP 1978 |
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| Authors:
Ernest C. Wahoski; DEPARTMENT OF THE ARMY WASHINGTON D C
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| A high pressure fluid pipe connector for joining a threaded pipe to a smooth-walled tube; the connector also acts as a flow reducer. Special features of the connector are minimum number of parts, smooth continuous fluid surface contours, and relatively short compact connector length. (Author) |
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| Void, Flaw, and Crack Indicator for Epoxy Bonds. |
26 SEP 1978 |
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| Authors:
Vernon A. Nieberlein; DEPARTMENT OF THE ARMY WASHINGTON D C
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| A method for locating imperfections including voids, bubbles, cracks, and flaws in cured epoxy resin articles. These imperfections which are too small to be readily seen with the naked eye, or that are normally very inconspicuous become visible when an indicator solution is applied to the epoxy resin imperfection. The indicator solution is selected from a 0.1 percent alcoholic solution of bromcresol purple, bromthymol blue, thymol blue, meta-cresol purple, xylenol ... |
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| Broadband Hybrid Monopole Antenna. |
19 SEP 1978 |
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| Authors:
Frank Reggia; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A new type of radiating structure with rugged high frequency design comprising essentially a single hybrid monopole which utilizes capacitive coupling from a open-ended transmission line to accomplish its broadband characteristics. The monopole is a metal conductor concentric with the transmission line and is separated from a ground plane by an adjustable gap that may be effectively used for fine tuning the antenna. By utilizing helical springs as the conductors ... |
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| Frequency Synthesizer. |
12 SEP 1978 |
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| Authors:
Edward J. Nossen; DEPARTMENT OF THE ARMY WASHINGTON D C
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| Dual phase lock loops are used to provide a rapid switching, low power, low spurious and fine resolution frequency synthesizer for various radio applications. The first phase lock loop provides for coarse frequency adjustment, and the second phase lock loop includes an arithmetic synthesizer for fine resolution. (Author) |
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| L-Band Radar Antenna Array. |
12 SEP 1978 |
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| Authors:
John Joseph Borowick; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A stripline horizontally polarized dipole and passive director antenna array, operative at L-band (1220-1280 MHz), mounted in a 90 deg corner reflector constructed of a grid of cylindrical rods which are hinged along its apex permitting folding of the reflector over the antenna array to protect the elements of the array, for example, during transport. (Author) |
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| Hydraulic Control for Hydromechanical Transmission. |
05 SEP 1978 |
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| Authors:
Robert Powers Northup; DEPARTMENT OF THE ARMY WASHINGTON D C
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| A power transmission that includes hydraulically-operated clutches that are selectively supplied with operating fluids by a selector valve that is controlled by an error signal means constructed to compare prime mover speed and user demand speed. The transmission preferably is a split torque hydromechanical transmission having one power path going through a hydrostatic pump-motor unit and another path going only through epicycloidal gearing system containing the hydraulically-operated clutches. The transmission ... |
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| Cable-Connector Backshell Adapter Device. |
05 SEP 1978 |
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| Authors:
Bruce E. Thurston; Albert H. Owens; Powell J. Pocsi; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A cable-connector adapter backshell device is used to provide increased reliability of soldered connections from an externally shielded cable having a plurality of internally shielded electrical conductors which are required to make positive electrical connections with the terminals of a multi-terminal plug connector. A split pair of interlocking adapters are utilized to reduce the number of piece parts to completely shield the interface connections between the shielded cable and the ... |
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| Pulse Amplitude and Width Detection System. |
05 SEP 1978 |
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| Authors:
David N. Everswick; DEPARTMENT OF THE ARMY WASHINGTON D C
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| A pulse detection system comprises, in series, a pulse amplitude detector, a pulse width detector and a recorder. The pulse amplitude detector comprises a voltage comparator having an input for receiving a voltage pulse, a reference d.c. voltage input, a ground and an output for producing an output voltage when the input pulse equals a predetermined fraction of the reference voltage. The pulse width detector comprises a positively-triggered monostable having: ... |
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| Spiral Orifice Dashpot Timer. |
29 AUG 1978 |
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| Authors:
Alexey T. Zacharin; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The present invention relates to a fluid controlled timer comprising a cylindrical housing, and a close-fitting rotary shaft positioned co-axially within the housing. A spiral passageway scribed between the housing and the rotary shaft extends between the ends of the housing. The spiral passageway contains a viscous liquid and a sphere slidably disposed therein and capable of traversing the entire passageway length. An external constant torque spring connected to one ... |
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| Acoustooptic Real Time Correlator. |
29 AUG 1978 |
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| Authors:
Norman J. Berg; Bob Lorin Smith; Allen B. Adams; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The patent relates to an acousto-optic correlator device comprised of two parallel piezoelectric crystals having different acoustic velocities. Acoustic transducers are located at one end of the respective crystals, and high frequency acoustic waves, the pulse envelopes of which correspond to the signals to be correlated are simultaneously launched from the transducers on the respective crystals. One of the acoustic waves 'slides' past the other, and a laser beam, which ... |
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| Rate Sensitive System for a Seismic Sensing Range Containment Apparatus. |
29 AUG 1978 |
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| Authors:
Charles P. Varecka; Donald M. Merhar; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The invention relates to a rate sensitive system for a seismic sensing pedestrian range containment device monitors the shift in relative energy of a footstep as a function of footstep rate. A rate sensitive relative energy measurement circuit operates in conjunction with the detection of human footsteps and classification of personnel to limit the detection range of a seismic sensor to specific distance range. (Author) |
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| Very Thin (WRAP-Around) Conformal Antenna. |
29 AUG 1978 |
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| Authors:
Frank Reggia; Howard S. Jones Jr; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A new type of thin-walled dielectric loaded antenna which is capable of flush mounting to almost any surface contour. This very thin wrap-around antenna consists essentially of 2 modified cavity-backed slot radiators, spacially positioned 180 deg. apart. Typically, a stripline feed network is used to couple the microwave energy to the individual radiating slots. A plurality of plated through holes define the boundary for the strip-line feed network. (Author) |
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| Non-Recurrent Pulse Generator. |
29 AUG 1978 |
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| Authors:
Gregory Arutunian; Anthony J. Monte; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A load power supply is connected to the load device through a gated switch and time-delay fuse. The maximum current pulse delivered by the power supply is limited by the 'delayed blow' characteristics of the fuse inserted in the circuit. After a selected current-time duration is delivered to the load, the fuse 'blows' (opens) and the circuit is effectively de-energized. (Author) |
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| Sintered Polycrystalline Nitrogen Stabilized Cubic Aluminum Oxide Material. |
24 AUG 1978 |
|
| Authors:
James W. McCauley; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This patent application covers a structural ceramic material comprising single phase polycrystalline cubic aluminum oxynitride preferably with at least 97% of theoretical density. It displays transparency and isotropic optical, thermal and electrical properties, an infrared cutoff at about 5.2 microns wavelength, and shows no chemical or physical property change after heating in air (atmosphere) at 1100 C. |
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| Means for Suppressing Oscillator-Generated Noise in Doppler Proximity Fuzes. |
22 AUG 1978 |
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| Authors:
Wilbur S. Hinman Jr.; Helmut Sommer; Louis M. Tozzi; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The invention relates to a doppler proximity fuzing system including an oscillating detector providing diode detection, an antenna to which the output of said oscillating detector is coupled, and an amplifier to which the detected signal from said oscillating detector is fed. The improvement comprises means for suppressing oscillator-generated noise, said means including a 45 degrees r-f phase shift network connected between the output of said oscillating detector and said ... |
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| Method of Producing Crisp Reheated French Fried Potatoes. |
22 AUG 1978 |
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| Authors:
Harold Gorfien; Abdul R. Rahman; Donald E. Westcott; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The patent relates to an improved method of producing crisp, non-rubbery, reheated french fried potatoes which are frozen for storage purposes after being fried in deep fat and subsequently reheated by means of microwave oven heating without employing additional hot air heating. The improved properties result from a partial dehydration in a hot air oven or a combination of microwave oven heating and hot air oven heating prior to deep ... |
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| Process for Producing Compacted, Dehydrated, Uncooked Cabbage and Cabbage Product Thereof. |
22 AUG 1978 |
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| Authors:
Abdul R. Rahman; Stephen G. Haralampu; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The patent relates to a process for producing compacted, dehydrated, uncooked cabbage of increased density comprising subdividing fresh cabbage, treating the subdivided cabbage with aqueous sodium metabisulfite solution, removing the excess sodium metabisulfite solution, hot air blanching the cabbage, partially dehydrating the cabbage with heated air until its moisture content is reduced to about 5-8 percent by weight, partially rehydrating the cabbage to a moisture content of about 10 to ... |
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| Solid State Barometric Altimeter-Encoder. |
15 AUG 1978 |
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| Authors:
Harry Cook; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A solid-state barometric altimeter-encoder. The atmospheric pressure is compared to a reference vacuum on a hybrid IC pressure transducer which generates a proportional signal. This analog signal is then converted into digital data, corrected for atmospheric to altitude non-linearity by use of a ROM look-up table, displayed as a digital readout and also converted to Grey code format for transponder MC (altitude) transmission. (Author) |
|
| Track Guide Mechanism. |
15 AUG 1978 |
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| Authors:
Richard A. Lee; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A tracked vehicle, such as a military tank, wherein the prong type guides for the tracks are located on the roadwheels rather than on the tracks. The guide prong location puts the guide surfaces closer to the line-of-action of the disturbing force (ground surface) so that the guides are less likely to break or distort. (Author) |
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| Freeze-Dried Mix for Spoonable Salad Dressing and Method Therefor. |
15 AUG 1978 |
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| Authors:
Myer Glickstein; Justin M. Tuomy; Marianne J. Shwert; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A free-flowing, freeze-dried salad dressing mix containing a high proportion of salad oil which is reconstituted by mixing water only therewith to produce a spoonable salad dressing, and method of preparing the mix. Also, the compressed, freeze-dried salad dressing mix, which reconstitutes easily to a spoonable salad dressing by mixing water only therewith. (Author) |
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| Method of Adjusting the Frequency of Piezoelectric Resonators. |
15 AUG 1978 |
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| Authors:
John R. Vig; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The resonant frequencies of a piezoelectric resonator are adjusted either before sealing the resonator into an enclosure or after sealing the resonator into an enclosure or both before and after sealing the resonator into an enclosure. The method makes use of radiation to polymerize a polymerizable gas that has been introduced into the enclosure that houses the resonator. The resulting polymer that deposits on the resonator adjusts the resonant frequencies ... |
|
| Stabilization of LIASF6/Dimethyl Sulfite Electrolyte Solution. |
15 AUG 1978 |
|
| Authors:
Robert J. Horning; Walter B. Ebner; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| LiAsF6/dimethyl sulfite electrolyte solutions of improved storage stability are obtained by incorporating metallic lithium therein. (Author) |
|
| Rugged Quick-Heating Electron Tubes. |
15 AUG 1978 |
|
| Authors:
Charles P. Marsden Jr; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The patent consists of a rugged combustion-heated electron tube comprising: a metallic conically-shaped anode structure; a metallic conically-shaped cathode structure insulatedly and coaxially mounted in spaced relationship to said anode structure; a metallic conically-shaped grid structure insulatedly and coaxially mounted in spaced relationship between said anode structure and said cathode structure; first and second annular insulating spacer-seals separating said anode structure from said grid structure and said grid structure from ... |
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| Printed Circuit Traveling Wave Tube. |
15 AUG 1978 |
|
| Authors:
Bobby R. Potter; Allan W. Scott; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| Undesired oscillations are suppressed in high-power, high-frequency, multiple meanderline printed circuit traveling wave tubes pi point frequency oscillations of various modes are attenuated by providing resistive coated longitudinal gaps in the ground plane conductor. The gaps permit lower radio frequency currents to propagate along the length of the line while blocking transverse currents of higher pi mode frequencies. The resistive coatings and spacing of the gaps control losses while permitting ... |
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| Variable Pulse Distribution Electro-Optical System. |
15 AUG 1978 |
|
| Authors:
Ernest M. Ward; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A plurality of radiant energy sources are alternatively pulsed in accordance with programmable pulsing sequences to permit testing of guided homing seekers and the like. A trigger selector is provided for each source and takes the form of a programmable counter. A source selector receives externally supplied trigger pulses and applies them to one trigger selector until the pre-programmed count is reached, during which time the source associated with that ... |
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| Antenna for Phase Front Homing. |
15 AUG 1978 |
|
| Authors:
Donn V. Campbell; Edward J. Paragi; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The invention relates to a VHF radio frequency antenna for a homing receiver suited for airborne applications and comprising a pair of right angled antenna elements of like configuration terminating in a common non-conductive joint of insulator material while their opposite ends terminate in dielectric supports mounted on an electrically conductive ground plane such as an aircraft skin. The ends of the elements terminating in the dielectric supports additionally connect ... |
|
| High Energy Density Lithium Cell. |
08 AUG 1978 |
|
| Authors:
Achille L. Almerini; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A lithium-organic electrolyte electrochemical cell is provided in which lithium is the anode, a fluorographite of the formula CxF wherein x is a value no less than one and no greater than 4.5 in the cathode, and a solution of about 0.5 molar to 1.5 molar of an inorganic lithium salt in a lower alkyl acetate is the electrolyte. (Author) |
|
| Radar Set Sensitive to Target Shape. |
08 AUG 1978 |
|
| Authors:
Ralph L. Dunn; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The circuitry includes a pulse radar set including a transmitter and a first receiver which share a common antenna which is arranged to both launch and receive plane polarized waves at 45 degree to the earth's surface. A second antenna and receiver are arranged to respond only to target echoes polarized orthogonally to those transmitted. Means are provided to measure and compare the amplitudes of the target echoes which arrive ... |
|
| Analog-to-Digital Integrated Converter. |
07 AUG 1978 |
|
| Authors:
William B. Glendinning; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A relatively high speed analog-to-digital converter is a charge coupled device preferably formed as a metal-oxide semiconductor integrated circuit. It includes a pair of potential charge packet wells, an electrode gate to control the transfer of charge packets in a seesaw manner between the two wells, electrode gates to control the dissipation of charges from the wells to sinks, electrode gates to control the input of a charge representing an ... |
|
| Process of Making Dehydrated Fruit Juice. |
01 AUG 1978 |
|
| Authors:
Abdul R. Rahman; Wayne A. Deneke; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| Process of making an instantly rehydratable, non-caking, storage-stable, dehydrated fruit juice product, especially orange juice, grapefruit juice, and pineapple juice, by removing a substantial portion of the supernatant liquid portion of the fruit juice separated from the sediment portion by centrifuging of the fruit juice, then dehydrating the sediment portion either alone or with a small portion of the supernatant liqiud portion remaining with the sediment portion. Citric acid and ... |
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| Bandwidth Substitution Method and System for Absolute Measurement of Power at All Radio Frequencies. |
01 AUG 1978 |
|
| Authors:
Abraham Singer; Jan M. Minkowski; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A highly sensitive method and system for making absolute measurements of the power at all radio frequencies is described. This method surmounts the primary short-coming of the other existing methods in that it permits absolute measurement of power at all radio frequencies, whereas all other methods except one, viz, the so-called incremental method, (described in our co-pending application), are inherently frequency limited, with the current upper limit being about 75 ... |
|
| Slide Fastener Endurance Tester. |
25 JUL 1978 |
|
| Authors:
Vasant K. Devarrakonda; John L. Kovar; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This report describes an apparatus and method for testing the mechanical endurance of a slide fastener by determining the number of cycles of opening and closing which the slide fastener is capable of undergoing while being subjected to preselected degrees of loading in both the transverse and longitudinal directions before jamming or other malfunctioning occurs. (Author) |
|
| Counting Device Impulse Activator with Torque Limiter. |
25 JUL 1978 |
|
| Authors:
William L. Andre; Ben Lomond; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This invention comprises an actuator for a mechanical counting device for recording and storing data. This actuator includes a weight having an eccentric center of mass which is freely pivotable in one plane within preset limits in response to an externally applied impulse force of a predetermined magnitude to apply a torque force within prescribed limits to a shaft which, upon rotation thereof under the influence of such torque force, ... |
|
| Electronic Device for Processing Signals in Three Dimensions. |
25 JUL 1978 |
|
| Authors:
Charles Redman; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| An electronic device for processing optic, infrared or electronic signals in three dimensions, that is, area and time. The device features an amplification function and includes the use of melt grown oxide metal ceramic substrate material which allows high frequency operation and utilizes microchannel amplifier techniques to reduce operational charge buildup. (Author) |
|
| Frequency Scanned Corner Reflector Antenna. |
25 JUL 1978 |
|
| Authors:
Kenneth M. Regenos; Normand Barbano; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The frequency scanned corner reflector antenna is a modified corner reflector antenna that incorporates a feeding technique to achieve monopulse or sequential lobing radiation patterns is one principal plane and one or more frequency-scanned beams in the other principal plane. Scanning of the beam of the corner reflector antenna for direction finding and tracking applications is accomplished without destroying the unique monopulse and sequential lobing capabilities of the antenna. (Author) ... |
|
| Ferroelectric Photovoltaic Method and Appar atus for Transferring Information. |
25 JUL 1978 |
|
| Authors:
Philip S. Brody; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A method of transferring remanent polarization information from a photovoltaic ferroelectric unit to a polarizable unit which may either be another portion of the photovoltaic ferroelectric material or a separate piece of material. The photovoltaic ferroelectric unit is illuminated to produce a photovoltage and the voltage is applied to the unit to be polarized to induce the polarization. An optically addressable read-write photovoltaic ferroelectric memory plane having means for allowing ... |
|
| Fluidic Partial Pressure Sensor. |
18 JUL 1978 |
|
| Authors:
James W. Joyce; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A fluidic partial pressure sensor for obtaining a direct indication of the partial pressure of a gas constituent in a mixture relative to a reference gas. A fluidic bridge's geometry is so designed and structured that if the pressure across the bridge is maintained constant, the pressure differential between the two channels thereby becomes directly proportional to the partial pressure of the gas constituent of interest. A typical bridge sensor ... |
|
| Easy Access Oil Filter Drain System. |
18 JUL 1978 |
|
| Authors:
Andrew J. Scully; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| Mechanism for draining an engine oil filter cartridge when the space beneath the cartride is otherwise obstructed. A special housing is threadably connected to the filter base in a non-obstructed location. A drain plug within this housing is manually unthreaded during a drain operation. A special boot in the mouth opening of the housing permits external actuation of the plug without undesired splash-out of oil through the mouth opening. (Author) ... |
|
| Multifrequency Antenna System Integrated Into a Radome. |
18 JUL 1978 |
|
| Authors:
Howard S. Jones Jr; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This report describes an antenna system that comprises two or more linear arrays within close proximity which can be integrated into a conical dielectric radome. The elements of each array are wedge shaped open-ended cavity radiators plated on the outside of the radome structure. The bottom edge of each element is shorted to an inside conducting surface. Each array is designed to be operated in a different frequency band. A ... |
|
| Compact Low-Profife Electrically Small VHF Antenna. |
18 JUL 1978 |
|
| Authors:
Howard S. Jones Jr.; Frank Reggia; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This report describes an electrically small antenna designed for operation in the 25 to 50 megahertz frequency range which may be constructed in two basic forms. The first embodiment comprises a conductive coil in the form of a copper ribbon that is electroless-plated on a thin cylindrical silicone fiberglass substrate which is loaded with a ferrite core. The loaded coil assembly comprises a radiating element that operates over a metal ... |
|
| Digital Filter for Pulse Code Modulation Signals. |
18 JUL 1978 |
|
| Authors:
William L. Betts; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This report describes a digital filter for pulse code modulation signals employs interpolation. A digital filter can handle a multiplicity of multiplexed pulse code modulation channels. |
|
| Optical Memory with Storage in Three Dimensions. |
18 JUL 1978 |
|
| Authors:
Philip S. Brody; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This report describes a high storage capacity, fast access time, photovoltaic ferroelectric memory apparatus including a plurality of memory planes which are stacked in a three dimensional configuration. Each plane is comprised of a photovoltaic ferroelectric layer and a photoconductive layers sandwiched between two electrodes. Writing of information is effected by illuminating a selected xy location on the planes while simultaneously applying a voltage pulse to a selected z plane, ... |
|
| Chromate-Free Etching Process and Composition for Preparing Aluminum for Adhesive Bonding. |
11 JUL 1978 |
|
| Authors:
William J. Russell; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A chromate-free etching process and composition for treating aluminum parts to prepare a surface for durable adhesive bonding to other parts, which avoids the toxicity and disposal problems attending the use of conventional chromate containing etching baths. The process utilizes an etchant composition composed of an aqueous solution of nitric acid, alkali metal sulfate, ferric sulfate and preferably also sulfuric acid. (Author) |
|
| Airborne Antenna System Employing the Airframe as an Antenna. |
11 JUL 1978 |
|
| Authors:
Donn V. Campbell; Edward J. Paragi; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A phase front homing system airborne antenna array employing portions of the airframe as two antenna elements. (Author) |
|
| Anionically Polymerized Copolymers of Methyl alpha-N-Alkylacrylate and Methyl Methacrylate and Method of Making Same. |
04 JUL 1978 |
|
| Authors:
Henry Gisser; Helen Mertwoy; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| Copolymers are formed by reacting methyl methacrylate and methyl alpha-n-alkylacrylate between 20 - 30 C in presence of catalytic amounts of sodium, the alkyl group in the methyl alpha-n-alkylacrylate having from 10 to 22 carbon atoms. (Author) |
|
| Antenna for Combined Surveillance and Foliage Penetration Radar. |
27 JUN 1978 |
|
| Authors:
John Joseph Borowick; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| This application discusses an L-band radar and an antenna array operating with an existing X-band surveillance radar to provide a foliage penetration capability. The foliage penetration antenna consists of an array of L-band, stripline dipole/director elements placed in front of an array of broadwall waveguide slots which define an X-band aperture. The X-band aperture in addition to its own function, serves as a reflector for the diople/director elements. Aperture sharing ... |
|
| Laser Screen. |
27 JUN 1978 |
|
| Authors:
John Kuchmas Jr.; Gary E. Bubb; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| A light screen device for measuring the velocity of a projectile comprising a laser disposed opposite to one end of a first plane reflecting mirror and inclined with respect thereto to cause a laser beam to strike the first plane reflecting mirror and in turn to reflect the beam to a second plane mirror and successively reflecting the beam back and forth vertically to higher points on each mirror surface ... |
|
| Automatic Inspection for the Deposition of Conductive Liquids. |
20 JUN 1978 |
|
| Authors:
Louis F. Marino; Paul P. Monteleone; James Remer; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| An inspection method and an apparatus for the deposition of a liquid material to a part in a manufacturing process is discussed. The method utilizes electrical continuity techniques to determine actual application and also controlling the dispensed volume of material. (Author) |
|
Reports by Corporate Author
