Patents Represented by Attorney Freda L. Krosnick
  • Patent number: 5826160
    Abstract: A method and apparatus for fabricating high density monolithic metal and alloy billets. The process requires preheating precursor materials of metal or alloy billets by means of a combustion synthesis called Self-Propagating High-Temperature Synthesis (SHS). The reaction takes place in an insulated reaction vessel where the precursors, in a powder form, are heated to high temperatures. The precursors are then compacted to high density by means of pressure waves generated by detonation of an explosive. The method is capable of producing high purity tungsten and tungsten-based alloys of greater than 90% theoretical density.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: October 20, 1998
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Laszlo J. Kecskes
  • Patent number: 5760902
    Abstract: A method and apparatus for producing images in which phase variation introduced by reflections from a transparent phase object are represented in interference generated phase contrast, and in which gradients in phase introduced by transmission through the phase modulating object or plate are represented in phase gradient contrast. Combination interference generated phase contrast-phase gradient contrast images are also produced. A laser beam is directed by a beam splitter through the transparent phase and falls onto a photorefractive crystal where a temporary hologram forms. The hologram generates the phase conjugate of the transmitted beam which moves back through the plate, so the phase distortions introduced by the transparent phase object are removed in the back propagating beam. This beam interferes with a specularly reflected beam from the transparent phase object.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: June 2, 1998
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Phillip S. Brody
  • Patent number: 5738143
    Abstract: A butterfly actuated quick coupling connector valve includes a pair of mag connectors, each having a self-closing, butterfly valve arranged and adapted to align with the self-closing, butterfly valve of the other connector when the two connectors are coupled together, such that the two valves will be then open for unrestricted passage of air therethrough. Each connector has a coupling mechanism for releasably coupling the two connectors together to cause interference between them. Each of the valves is attached to a plunger, and a compression spring is associated and aligned therewith, in a valve housing having an axis of symmetry within the associated connector. Each plunger is retained and slidable axially within the housing against the force exerted by the associated compression spring, the latter normally urging the valve body against an end wall of the housing to block an opening therein. The plunger has a rotatable shaft attached to it with a butterfly valve mounted to its centerline surface.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: April 14, 1998
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Jim A. Faughn
  • Patent number: 5693429
    Abstract: A laminated ceramic ferroelectric material has adjacent layers of Barium ontium Titanate (BSTO)--oxide composite stacked in order of descending oxide content and sized in thickness to produce a generally equal capacitance across each layer, resulting in a material having a graded dielectric constant for use in phased array antenna, for example. The oxides are from the metallic oxide group consisting of alumina, zirconia and magnesia and the layers are produced by tape casting.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: December 2, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Louise C. Sengupta, Eric Ngo, Michelina E. O'Day, Steven Stowell, Robert Lancto, Somnath Sengupta, Thomas V. Hynes
  • Patent number: 5690492
    Abstract: A device to determine which target a participant has selected during simued weapon training is disclosed. The device uses a second projector in addition to the computer generated image projector to project a non-visible light onto a screen. The computer generated imagery projector and the non-visible light projector are adjusted to create a composite image, visible and non-visible, projected on the screen such that the non-visible image is overlaid on the visible image at all times. The non-visible image contains information related only to certain pre-defined targets. The participant is able to sense the visible portion of the image on the screen but not the non-visible image, which is reflected from the screen to an electronic sensor that senses only the non-visible image. A computer processes the information obtained from the sensor to determine which target the participant has selected.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: November 25, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Gordon L. Herald
  • Patent number: 5691501
    Abstract: A nonlethal long-range bullet designed to be fired from a conventional hipowered rifle or pistol spreads apart on impact, thereby delivering a nonlethal blow to the target. Prior to impact, the inventive bullet maintains its aerodynamic shape. The bullet includes a front section in a forward portion of the bullet, the front section having a tail that extends to a rear portion of the bullet; a solid section in the rear portion of the bullet, the solid section including most of the mass of the bullet and being substantially disposed around the tail; at least two longitudinal scribe lines that extend along the front section and the tail; and at least another two longitudinal scribe lines that extends along the solid section and are aligned with the at least two longitudinal scribe lines, wherein depths of the at least two and at least another two longitudinal scribe lines are such that the bullet maintains shape integrity during flight while readily deploying into a flattened shape upon impact.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: November 25, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Raine M. Gilbert
  • Patent number: 5687291
    Abstract: The present invention estimates the cognitive decision made in response to a known stimulus from the corresponding single-event evoked cerebral potential. The present invention uses a unique recursive procedure to identify the decision from a mathematical description of the potential as the output of a cerebrally located, autoregressive, moving average filter with the stimulus as an exogenous input. The procedure employs in a two-step sequence, the least squares algorithm to update the filter coefficients, followed by a Taylor's Series approximation for updating an internal cerebral source signal which is generated in response to the external stimulus. The recursive procedure computes the attenuation used by the moving average component of the filter to produce the cerebral source signal. This procedure is repeated for all feasible cerebral source signals, computed from the set of possible event evoked average response potentials, to produce a set of attenuator-values.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: November 11, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Christopher C. Smyth
  • Patent number: 5686889
    Abstract: Firing of small arms results in a muzzle flash that produces a distinctive ignature conducive to automated or machine-aided detection with an IR (infrared) imager. The muzzle flash is intense and abrupt in the 3 to 5 .mu.m band. A sniper detection system operating in the 3 to 5 .mu.m region must deal with the potential problem of false alarms from solar clutter. The invention reduces the false alarm rate of an IR based muzzle flash or bullet tracking system (during day time) by adding a visible light (standard video) camera. The standard video camera helps detect (and then discount) potential sources of false alarm caused by solar clutter. If a flash is detected in both the IR and the visible spectrum at the same time, then the flash is most probably the result of solar clutter from a moving object. If a flash is detected only in the IR, then it is most probably a true weapon firing event.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: November 11, 1997
    Assignee: The United States of America as represented by the Secretary of The Army
    Inventor: David B. Hillis
  • Patent number: 5684460
    Abstract: A movement monitor and stimulator may prevent death in human infants from sudden infant death syndrome (SIDS). Recent medical studies indicate a SIDS victim's breathing may be resuscitated by immediate stimulation. The sound and/or movement monitor and stimulator may have a base member configured as a fluid-filled sensing pad for supporting an infant and a transducer for detecting movement or acoustic activity (e.g., heart beat, breathing, voice and motion sounds). A stimulator may move the base member to stimulate movement in the object when output from the transducer corresponds to no sound and/or movement from the object, or indicates a dangerous change in monitored condition, such as the decrease in metabolic rate indicative of the onset of sleep. The stimulator may also be applied in a more gentle fashion to soothe and quiet an infant that has been awakened unexpectedly. The transducer may be a pressure transducer in fluid communication with the fluid interior of the sensing pad.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: November 4, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Michael V. Scanlon
  • Patent number: 5680557
    Abstract: A natural computational system and environment replaces domain-specific centional application programs by allowing the juxtaposition of text, graphs, tables, equations, and sketches while concurrently permitting the use of these computational features in calculations and other problem-solving procedures, allowing non-programmers to develop computational schemes and obtain solutions to domain problems in a natural manner, with little or no code development, using familiar representational schemes presented to the user with the same functionality as is provided by a textbook or handbook. Each of the features is made up of a plurality of objects in a hierarchical scheme which permits development and use of the features in a completely natural and flexible manner. The system and environment thus permits the development of electronic textbooks, handbooks, and catalogs in which the text and features are simultaneously displayed, but which permits interactive use of the features.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: October 21, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Somayajulu D. Karamchetty
  • Patent number: 5677612
    Abstract: A lead-acid (SLI) battery desulfator which is powered by the batteries wh it is conditioning when a motor associated with the batteries is off. The desulfator activates whenever an alternator supplies charge to the battery then deactivates itself upon expiration of a set time or is reset upon starting of the motor.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: October 14, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Carl Campagnuolo, Louis P. Jarvis, Anthony Pellegrino, Joseph DiCarlo, William Keane
  • Patent number: 5675915
    Abstract: An impact absorbing device for parachutists is disclosed. A conventional rshoe may be modified by riveting or otherwise fastening hook and loop material to the bottom of the overshoe. An impact absorbing sole having a top surface including hook and loop material may be quickly attached to and detached from the modified overshoe. It is also contemplated to provide fastening straps in lieu of or in addition to the hook and loop fastener. The fastening straps may encircle the forefoot area and/or the heel and ankle. The sole may have three layers of solid material or the middle layer may include apertures, which correspond to the heel and ball areas of the foot, for receiving cushioning inserts. The layers may be made of a high density open cell urethane foam, a microcellular ethylene vinyl acetate (EVA) polyethylene foam, a viscoelastic plasticized polyurethane polymer, or a viscoelastic urethane rubber polymer. The layers may be laminated together using any conventional adhesive.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: October 14, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Jim Faughn, Harrison P. Crowell, III
  • Patent number: 5677252
    Abstract: A ceramic nanocomposite made from silicon, oxygen and nitrogen is provided hich has a very low dielectric constant, low dielectric loss along with good strength and hardness. The ceramic nanocomposite finds use in millimeter-wave radomes and microwave radomes used on aircraft which must resist erosion from high speed impact with water, ice and dust in the atmosphere.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: October 14, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Gary Gilde, Parimal Patel, Clifford Hubbard, Brian Pothier, Thomas Hynes, William Croft, Joe Wells
  • Patent number: 5669608
    Abstract: A device for locating a position of impact of a projectile upon a planar surface of a target. The device includes a plurality of lamina-type parallel planes, fully covering the surface of the target. Each plane has at least two windings, disposed on its surface, which are arranged in zones forming a continuous conducting path. When a projectile breaks a winding, its location is rapidly sensed and reported. The pattern of wires and layers provides simple, direct compatibility of the output of the device with digital processing operations. An orthogonally situated second device locates the impact position in two dimensions and resolves possible errors in results due to the size of a projectile or a boundary hit. The device can also locate the impact of a second hit.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: September 23, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: George M. Thomson, Thomas W. Kottke, Paul R. Berning
  • Patent number: 5668347
    Abstract: A projectile includes a mechanism which allows the fin position to be reved after the projectile leaves the launch tube thus allowing the fins to have reversed leading edges, which avoids the costly weight of the one-piece design in the prior art, which is a parasitic weight that will result in a lower velocity, and consequently lower kinetic energy, from the same propellant charge. This mechanism also avoids having extra pieces falling from the muzzle and near the firing team or troops near the gun, and has the advantage of a simple, low-weight deployment mechanism which results in the least aerodynamic resistance after full deployment. The mechanism has at least one small winglet on each reversible fin which generates an aerodynamic lifting force to provide reversal of the fin after the projectile leaves the launch tube. These winglets are positioned and designed to cause the least increase in aerodynamic drag.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: September 16, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Ameer G. Mikhail
  • Patent number: 5665934
    Abstract: An armed-state detector for the testing of "live" antitank mines is discld. The invention allows a user to determine, from a safe distance, if a mine is in an "active" state. A pole mounted sensor array is placed over the mine to sample the weak repetitive magnetic field that emanates from "active" mines. A hand-held, battery powered, detector box provides an audible or visual indication of whether or not the mine is "active". In addition to indicating that the mine is "active", the armed-state detector allows the user to determine the angular orientation of the magnetometer common to all antitank mines. The detector also provides a means whereby limited diagnostics can be performed on an unexploded mine. With the armed-state detector the user can determine if the fuze of an unexploded mine has been "killed" outright, or has merely failed to respond to the test stimulus.
    Type: Grant
    Filed: July 31, 1996
    Date of Patent: September 9, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: John E. B. Tuttle, Neal Tesny, Thomas J. Bock
  • Patent number: 5663832
    Abstract: The present invention discloses a device for and method of simulating an image in real time under turbulent atmospheric conditions. The present invention is realized by expanding a first laser beam using a microscope-objective and a first lens. The expanded light is then projected onto a first LCLV. Light reflecting from the first LCLV is filtered, focused onto a diaphram, polarized, and directed along a path that is around two meters in length. The light is then split into a first beam and a second beam. The first beam is focused onto an optical fiber bundle which is connected to the first LCLV. One end of the optical fiber bundle is rotated with respect to the other end. The second beam is projected upon a second LCLV. A second laser beam is expanded and projected onto a LCTV. The image is provided to the LCTV. The LCTV image is projected onto, and modulated by the second LCLV.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: September 2, 1997
    Inventors: Walter B. Miller, Jennifer C. Ricklin, Mikhail A. Vorontsov
  • Patent number: 5649061
    Abstract: A device and method for estimating a mental decision to select a visual cue from the viewer's eye fixation and corresponding single event evoked cerebral potential. The device comprises an eyetracker, an electronic biosignal processor and a digital computer. The eyetracker determines the instantaneous viewing direction from oculometric measurements and a head position and orientation sensor. The electronic processor continually estimates the cerebral electroencephalogramic potential from scalp surface measurements following corrections for electrooculogramic, electromyogramic and electrocardiogramic artifacts. The digital computer analyzes the viewing direction data for a fixation and then extracts the corresponding single event evoked cerebral potential.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: July 15, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Christopher C. Smyth
  • Patent number: 5644100
    Abstract: A shotgun shell includes a sabot with a tubular portion extending from a e, a chamber disposed within the tubular portion in communication with an opening in the base, a load of shot disposed within the tubular portion around the chamber, and a valve disposed between the chamber and the opening to control the flow of propellant gases into and out of the chamber. The valve can be a choke with a flow constricting orifice that delays pressurization and depressurization of the chamber. Alternatively, or in addition to a choke valve, a movable valve member can be disposed between the chamber and the opening to seal with a valve seat in order to capture high pressure propellant gases which, upon emergence of the sabot from the gun barrel, will assist in creating a highly dispersed shot pattern at close range. Also disclosed are a number of ways in which the sabot can be modified to control the stiffness of the tubular portion in order to change the shape of the shot pattern to suit specific applications.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: July 1, 1997
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Lawrence J. Puckett, Robert P. Kaste
  • Patent number: H1767
    Abstract: A receiver, modeled after the spade-like lug attachment of a M198 howitzer spade, inserts into the recess on the bottom rear end of the left trail of the howitzer. On this end surface is a square hole for inserting the spade key which secures the receiver to the trail. Attached to the receiver is an interface plate that acts as the union between the receiver and a pair of caster wheels. The interface plate has a keyway, in which the receiver bottom inserts, and also has two built-in handles. Two bolts affix the receiver to the interface plate and thread directly into the receiver body. The interface plate is bolted to dual-pneumatic caster wheels. This combination allows the left trail of the howitzer to be mobile and facilitates the increased mobility of the M198 howitzer.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: January 5, 1999
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Bradford S. Davis, John L. Thompson