Patents Represented by Attorney Philip Schneider
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Patent number: 4057000Abstract: A simple, quick, quiet load-release device which comprises a standard thred nut cut into three sections along its length. The three sections are held together by use of a heat meltable tape which is wrapped around the nut. A resistance wire is laid between layers of the tape and upon application of a current through the resistance wire, the tape melts permitting the nut sections to separate and release any load supported by the release device.Type: GrantFiled: September 20, 1976Date of Patent: November 8, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventor: Geoffrey Owen Thomas
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Patent number: 4056560Abstract: N,N'-bis(3,4-dicyanophenyl) alkanediamides of the general formula: ##STR1## wherein R = (CH.sub.2).sub.n-2 and (CH.sub.2).sub.x CH(CH.sub.3)(CH.sub.sub.y ; n = 3 to 20; x = 1 to 8; and y = 1 to 8, prepared by reacting 4-aminophthalonitrile with a saturated aliphatic dicarboxylic acid halide. These dinitriles readily polymerize through heating by themselves or with a metal or with a salt to form polyphthalocyanine resins, of the infinite molecular weight type which are useful as coatings, laminates, adhesives, filament windings, and castings. The general formulas for these polyphthalocyanine resins are: ##STR2## wherein R = (CH.sub.2).sub.n-2 and (CH.sub.2).sub.x CH(CH.sub.3)(CH.sub.2).sub.y ; n = 3 to 20; x = 1 to 8; and y = 1 to 8.Type: GrantFiled: July 23, 1976Date of Patent: November 1, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: James R. Griffith, Jacques G. O'Rear
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Patent number: 4056789Abstract: An electric discharge gas dynamic laser in which excitation of one gas species is obtained in a plenum by use of a dc glow discharge. The gas present in the plenum is then accelerated through an array of supersonic nozzles where the laser species is injected and mixed with the primary flow. Energy transfer and lasing occur in the supersonic region of the flow. Brewster-angle windows which extend from 1 to 28 cm downstream from the nozzle exit plane enables a laser cavity or diagnostic apparatus to be positioned at a variable distance downstream from the injection point. The optics may be mounted on a motor-driven translation table so that continuous scans of the region downstream of the nozzle exit plane may be conveniently made. The present facility may easily be operated with a subsonic cavity, with an RF discharge to augment the dc plenum discharge, with all gases premixed, or with any combination of these configurations.Type: GrantFiled: July 2, 1976Date of Patent: November 1, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Joseph A. Stregack, Bernard L. Wexler
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Patent number: 4054797Abstract: A series-parallel scan, IR, focal plane array which uses small InSb CID mles. The CID is used to premultiplex photocurrent through a preamplifier before the photosignal is introduced into a Si CCD TDI signal processor.Type: GrantFiled: September 23, 1976Date of Patent: October 18, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: A. Fenner Milton, Michael R. Hess
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Patent number: 4054879Abstract: A coherent, dual-frequency, ocean wave spectrometer radar system for measuring the characteristics of ocean surface gravity waves includes: a transmitter for transmitting a pair of closely spaced, coherently related, microwave frequencies; a receiver for receiving and separating the radar-return signals of the dual-frequency channels; a frequency shifter for offsetting the doppler spectrum of each radar return signal; and a multiplier for multiplying the radar-return signals of the dual-frequency channels to obtain a Bragg resonance condition indicating the presence of a particular gravity wave frequency on the ocean surface.Type: GrantFiled: November 19, 1976Date of Patent: October 18, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: John W. Wright, William J. Plant, Dale L. Schuler
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Patent number: 4053886Abstract: A coherent stepped dual-frequency, ocean-wave, spectrometer radar system for measuring the characteristics of ocean-surface gravity waves includes: a transmitter for transmitting in successive steps coherently related pairs of frequencies having different, small, and known frequency separations; a coherent receiver for receiving and separating the radar returns of the stepped pairs of frequencies, a frequency-shifter for offsetting the doppler spectrum of each radar return, a multiplier for multiplying together the two frequencies of each pair for each step to obtain a Bragg resonance condition for each step; and a plurality of stepped detectors each for detecting a different step of said multiplier output.Type: GrantFiled: November 19, 1976Date of Patent: October 11, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: John W. Wright, William J. Plant, Dale L. Schuler
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Patent number: 4053890Abstract: A pulse-generation means produces RF pulses that are injected into the ra receiver. A range control means and an attenuation control means selectively vary the range and the signal strength of the RF pulses in either a manual or an automatic sequence. A display and evaluation means determines the signal strength at which a radar tracking lock is established and compares that signal strength with a standard to provide an indication of receiver operability.Type: GrantFiled: May 25, 1976Date of Patent: October 11, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: David S. Woodson, III, Louis R. Rudolph
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Patent number: 4053884Abstract: A pulse-compression MTI doppler radar system includes an antenna, a transter, a coded modulator, a receiver and a display. The coded modulator is connected to the transmitter and has at least two waveform generators for coding pulses having low cross-correlation. A pulse-compression filter having at least two pulse compressors for providing pulse compressed signals is connected to the receiver. Each pulse compressor is matched autocorrelatively to a different one of the waveform generators. An MTI processor has two MTI processing channels which are responsive to the pulse-compressed signals and provide an output to the display.Type: GrantFiled: March 26, 1976Date of Patent: October 11, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Ben H. Cantrell, Bernard L. Lewis
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Patent number: 4048636Abstract: The present invention determines the occurrence of leading and trailing es of a target under evaluation by an IFF system. A target's "leading edge" is declared when a predetermined number T.sub.L of correct replies is found to exist in a predetermined group of W.sub.L received replies in response to a number B of interrogations. A target's "trailing edge" is declared when a number T.sub.z of incorrect replies is found to exist in a group of W.sub.z replies if either at least a number B of interrogations have been transmitted after the target's "leading edge" has been declared, or a number T.sub.u of correct replies is found to exist in a group of W.sub.u received replies followed by reduction of this number T.sub.u to a smaller number T.sub.t.Type: GrantFiled: September 26, 1975Date of Patent: September 13, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventor: Walton B. Bishop
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Patent number: 4045408Abstract: Fluoro-anhydride curing agents for fluorinated epoxy resins, especially for highly fluorinated epoxy resins selected from the class consisting of hydroxyperfluoroalkyl phthalic anhydride, hydroxyperfluoroalkyl pyromellitic dianhydride, and mixtures thereof; a fluoro-anhydride curing agent for fluorinated epoxy resins that is the toluene-soluble mixture prepared by heating a hydroxyperfluoroalkyl benzenepentacarboxylic acid at about 240.degree. C; precursors for all of the curing agents; and the epoxy resins prepared therefrom.Type: GrantFiled: March 19, 1976Date of Patent: August 30, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: James R. Griffith, Jacques G. O'Rear
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Patent number: 4042830Abstract: An improved system and technique for testing power source characteristics simulating dynamic load power demand requirements using pulsating current waves. A plurality of load devices are connected in parallel across the output of a selected power source to be tested. Individual electronic switches are then inserted in series with each of a predetermined number of the loads to allow insertion of the load across the power source at selected times. Using a programmable logic control circuit, the switches are controlled to produce pulsating waves across the power source which simulate the input power demands of actual loads that may be applied to the power source during use. The logic control circuit is constructed to allow programming of plural pulsations per half cycle of an input waveform as well as variable frequency or random frequency control to allow detection of power source deficiencies under a variety of load conditions.Type: GrantFiled: November 25, 1975Date of Patent: August 16, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Carl W. Kellenbenz, James P. Goodman, Randall C. Rector
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Patent number: 4041341Abstract: A pulsed doppler-radar system is utilized to determine if the terrain clearance of an aircraft drops below a predetermined aircraft safety clearance. The system includes a maximum-range doppler-frequency counter which counts the highest doppler frequency received for a maximum range and a range gate which receives and passes doppler frequencies from within a predetermined slant range. A reference-frequency generator generates a reference frequency related to the highest doppler frequency and cooperates with a frequency synthesizer to synthesize a frequency related to the computed doppler frequency for the aircraft safety clearance. The slant-range doppler frequencies are summed with the synthesizer frequency and a critical-frequency detector detects the sum frequency to determine if terrain clearance drops below the predetermined aircraft safety clearance.Type: GrantFiled: May 25, 1976Date of Patent: August 9, 1977Inventor: Gerald E. Hart
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Patent number: 4041489Abstract: A multi carrier-frequency pulsed radar system in which each carrier-frequy reflected radar signal is separately processed by parallel receiver branches. The output of each receiver branch is multiplied together to form the product of the separate receiver outputs, which product is then displayed on a plan-position-indicator (P.P.I.) display.Type: GrantFiled: June 25, 1974Date of Patent: August 9, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventor: Bernard L. Lewis
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Patent number: 4039023Abstract: Heat transfer and thus temperature control of an environment is achieved by a method and apparatus which comprises withdrawing hydrogen from a first hydride reaction system in a two phase equilibrium at a certain temperature and pressure thereby causing a decomposition of a portion of the hydride, adding heat to the reaction system to compensate for the loss of heat caused by the endothermic hydride decomposition reaction, transferring the withdrawn hydrogen to a second hydride reaction system in a two phase equilibrium at a higher temperature and pressure thereby causing a formation of hydride and release of heat, and removing the heat created by the exothermic hydride formation reaction.Type: GrantFiled: February 25, 1976Date of Patent: August 2, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventor: Andrew W. McClaine
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Patent number: 4040119Abstract: The output of a first monostable multivibrator controls output-driving dees to provide an operating current and voltage to latch each magnetic latching relay in a first position. The first multivibrator then triggers a second monostable multivibrator whose output in conjunction with logic means controls output-driving devices to provide an operating current and voltage to latch selected relays in a second position.Type: GrantFiled: July 19, 1976Date of Patent: August 2, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Joseph A. Dalpee, Fred W. Bernard, Richard G. Reynolds
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Patent number: 4038602Abstract: A relativistic electron beam device for producing highpower microwave radion. The device comprises an electron beam injection gun, a drift chamber comprising a tube having a plurality of gapped resonant cavities along its length, means for converting the energy-modulated beam and means for extracting rf (microwave) radiation from the density-modulated, relativistic, electron beam.Type: GrantFiled: February 25, 1976Date of Patent: July 26, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventor: Moshe Friedman
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Patent number: 4038647Abstract: A method of improving the holographic storage of data by yielding brighter olograms with higher densities which comprises recording an interferogram of an object wave and a reference wave into a holographically recordable medium consisting of an ionic crystal initially with a random distribution of anisotropic centers, and mutually off-set at an angle of at least sin.sup..sup.-1 10.lambda./d wherein d is the crystal thickness and .lambda. the wavelength of the coherent source; and then consecutively exposing the crystal to the object wave and the reference wave, each with a .pi./2 rotation in the plane of polarization but without any change in light intensity, wavelength, or crystal temperature.Type: GrantFiled: February 18, 1976Date of Patent: July 26, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventor: Irwin Schneider
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Patent number: 4037579Abstract: An energy storage system useful for storing energy due to sun light and making use of the stored energy when the sun is not shining. The storage tank system includes a liquid therein which is heated as a result of the sun's energy. The heated liquid evaporates and subsequently condenses onto cans of a salt. The condensing liquid heats the salt which stores the heat. The heated liquid vapors also condenses on steam pipes to produce steam for operating a turboelectric generator. When the sun is not shining the stored heat in the salt cans evaporates liquid which continues to condense on the steam pipes generating steam until the sun shines. A spray keeps the salt cans wet during the night time period.Type: GrantFiled: January 26, 1976Date of Patent: July 26, 1977Inventor: Talbot A. Chubb
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Patent number: 4036720Abstract: A method of separating isotopes of hydrogen which comprises subjecting a ture of nitrogen and isotopes of hydrogen in a H.sub.2 --N.sub.2 mole ratio from 1:4 to 10:1 to a glow electrical discharge from 10.sup..sup.-3 to 10.sup.+.sup.1 eV per reactant molecules at a temperature from 50.degree. K to 200.degree. K and at a pressure of at least 0.3 Torr.Type: GrantFiled: October 22, 1976Date of Patent: July 19, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Marion D. Clark, Thomas J. Manuccia
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Patent number: 4035800Abstract: A non-coherent, non-doppler, MTI radar system has its cancellation notch adened to include a selected range of target velocities. The apparatus includes a transmitter/receiver for transmitting and receiving short pulses in the nanosecond range. Also included is apparatus for generating multiple MTI responses having cancellation notches at different target velocities and multiplying the responses together to obtain a broadened cancellation notch.Type: GrantFiled: September 23, 1976Date of Patent: July 12, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Bernard L. Lewis, Ben H. Cantrell