| Patent Number |
Title Of Patent |
Date Issued |
| 4754708 |
Projectile driving band retention system |
July 5, 1988 |
| An ammunition round has a plastic molded driving band on a projectile. The driving band is mechanically attached to the projectile by opposing curved hooks bent toward one another and defining a restraining area therebetween. The seating area for the driving band has a plurality of p |
| 4753354 |
Self-adjusting rack adapter |
June 28, 1988 |
| An adapter which comprises a pre-manufactured assembly capable of infinite vertical adjustment and self-adjusting width capability. To this end, the adapter of the present invention comprises a two-part unit in which the two parts thereof are relatively shiftable widthwise of the rack, y |
| 4715284 |
Telescoped ammunition construction for reducing barrel erosion |
December 29, 1987 |
| A telescoped ammunition round has a propellant charge with an axial cavity. A projectile is housed within the cavity for being fired from the ammunition round. A wear additive is coupled to the forward portion of the propellant charge adjacent the axial cavity. |
| 4685639 |
Pneumatically actuated ram air steering system for a guided missile |
August 11, 1987 |
| An opening in the nose of a missile allows entry of ram air during missile flight to a central chamber. Oppositely oriented steering jets are innerconnected with the aft end of the central chamber. A diverting mechanism is located between the central chamber and each of the steering |
| 4662722 |
Polarization insensitive mirror |
May 5, 1987 |
| A polarization insensitive mirror (3) comprises a single homogeneous coating (1) coated onto a typically metallic reflective surface (2). The mirror (3) is substantially insensitive to polarization of incident radiation (4) over a wide range of angles of incidence (A). The coating (1 |
| 4653075 |
BPSK synchronizer using computational analysis |
March 24, 1987 |
| A bit synchronizer for a BPSK input signal having a sinusoidal carrier frequency f that is much greater than the modulating signal bit rate. The synchronizer comprises means (29, 31) for repetitively sampling the amplitude of the input signal over a preselected sampling interval portion |
| 4604954 |
Telescoped ammunition with dual split cartridge case |
August 12, 1986 |
| A telescoped ammunition round has a projectile positioned in the axial cavity of a propellant charge. A generally tubular casing surrounding the propellant charge has two longitudinal splits dividing the casing into two substantially identical halves which can separate during firing and |
| 4522357 |
Ram air steering system for a guided missile |
June 11, 1985 |
| An opening in the nose of a missile allows entry of ram air during missile flight to a central chamber. Oppositely oriented steering jets are interconnected with the aft end of the central chamber and escaping ram air provides lateral steering thrust forces. A movable diverting means |
| 4457297 |
Modular solar concentrator |
July 3, 1984 |
| A modular solar radiation concentrator consists of many identical reflective panels (1), each having the shape of a portion of the surface of a sphere. The panels (1) are mass produced, mounted between a pair of horizontal beams (2) so they can partially rotate about two orthogonal a |
| 4435714 |
Grating lobe eliminator |
March 6, 1984 |
| A confocal parabolic antenna system includes a grid of parallel metallic strips placed in the focal plane of the antenna system. The strips are oriented in the direction of an uplink wave polarization and eliminate the grating lobes at the uplink frequency band by reflecting the energy o |
| 4413177 |
Optical scanning apparatus incorporating counter-rotation of primary and secondary scanning elem |
November 1, 1983 |
| An optical scanning apparatus embodied in a gyroscopic missile seeker to provide a rosette scan pattern of the field of view. A single driving motor is employed with a traction drive assembly to produce the necessary counter-rotation of slightly canted scanning elements and thereby effec |
| 4375694 |
All rate bit synchronizer with automatic frequency ranging |
March 1, 1983 |
| A bit synchronizer capable of operation over all frequencies, limited only by the speed of the integrated circuits and other components. The input data can be any random antipodal data. A programmable scaling circuit allows the operator to select the desired half octave range of operatio |
| 4356459 |
Flat phase response septum polarizer |
October 26, 1982 |
| A septum polarizer offering an exceptionally low axial ratio over a wide frequency band. A first trapped mode resonator or resonator pair is inserted in the circularly polarizing waveguide within the same plane as the septum and tuning screws to create a desired resonant response at a |
| 4355316 |
Offset J-hook reflector antenna |
October 19, 1982 |
| This specification discloses a microwave antenna system using an offset J-hook feed to achieve low sidelobe energy level over the entire radiation space from an electrical circular reflector antenna. An electromagnetic horn is positioned along the central axis of symmetry of a parabolic |
| 4353041 |
Selectable linear or circular polarization network |
October 5, 1982 |
| This specification discloses a polarization network for selectively converting between linear and circular polarization. The network includes a twistable waveguide having a generally rectangular cross section. Coupled to the twistable rectangular waveguide is a transducer waveguide w |
| 4350236 |
Electromagnetic clutch assembly |
September 21, 1982 |
| A clutch assembly for use in a high speed starter motor/turbine assembly wherein the elements thereof must be extremely well balanced. Opposing clutch elements are unitary rigid structures without moving parts. The starter motor rotor and one of the clutch elements are assembled as a |
| 4349914 |
Bit synchronous switching system for space diversity operation |
September 14, 1982 |
| A bit synchronous switching system is disclosed which has applicability in a space diversity system of digital telecommunications. Two versions of a signal waveform are received at two remote locations from the same signal source. The end user is able always to receive the more intelligi |
| 4335657 |
Ammunition round with retained piston |
June 22, 1982 |
| This specification discloses an ammunition round and a method of firing the ammunition round. Consecutive and reproducible firing of a primer charge and a main propellant charge is accomplished as a result of the physical movement of a divider physically separating the primer charge from |
| 4335388 |
Null control of multiple beam antenna |
June 15, 1982 |
| This specification discloses a multibeam antenna which produces a null at one or more specified points with greater frequency band width for a given null depth. For example, a ring of beams about the null are set to have a phase difference between adjacent beams of 360.degree. divided by |
| 4328938 |
Roll reference sensor |
May 11, 1982 |
| A technique for sensing both the earth generated electromagnetic and electrostatic fields is employed on board a remotely guided spin-stabilized projectile or missile in order to accurately determine a vertical reference direction and provide for proper response to received guidance |
| 4321553 |
Wide bandwidth low distortion amplifier |
March 23, 1982 |
| An amplifier is disclosed which is capable of operation from 0 MHz to over 100 MHz with very low distortion over this entire range. Several inputs may be combined without affecting the gain of the amplifier. Several outputs may be combined without adding to the distortion products si |
| 4321527 |
Apparatus and method for individually testing combined active elements |
March 23, 1982 |
| This device enables one to perform individual measurements, tests, and tuning of active elements in a circuit in which the active elements are combined using couplers. Typically, the active elements are amplifiers which are power combined using quadrature power dividers and combiners. |
| 4320352 |
Input optimized FET bias circuit |
March 16, 1982 |
| A field effect transistor bias circuit is presented which exhibits a low impedance for small signals and a high impedance for large signals. This circuit uses an operational amplifier to provide a temperature compensated low impedance voltage source for the gate bias which is optimal for |
| 4318591 |
Polarization switched image rotator |
March 9, 1982 |
| A beam projector capable of projecting alternately orthogonally oriented cross-sectional beams by utilizing a single beam generator that emits a polarized beam through an electro-optical cell, which is activated to alternately switch the beam between two orthogonal plane polarization |
| 4314449 |
Non-contacting thermal energy transfer assembly |
February 9, 1982 |
| A thermal conducting path between a relatively movable heat source and a relatively fixed heat sink element, defined as a relatively narrow non-contacting conducting gap between opposing conducting surfaces. In an embodiment where the heat source is gimbal mounted, for movement with |
| 4313120 |
Non-dissipative load termination for travelling wave array antenna |
January 26, 1982 |
| This specification discloses a nondissipative load termination for a traveling wave antenna array whereby energy incident at the end of the antenna array is applied directly to the main beam of the array with the same polarization as the main beam so that the gain of the antenna is i |
| 4306808 |
Glass flaw inspection system |
December 22, 1981 |
| For inspecting a float glass ribbon for flaws an optical flaw detection system utilizing a laser beam which linescans the surface is provided. The laser beam is made incident to the glass ribbon at a high angle of incidence with respect to the normal. Deviation of the light transmitted |
| 4304294 |
Thermal energy switch |
December 8, 1981 |
| A solid state temperature gradient cooling system in which thermal energy is, under a first condition, carried from a heat source to a heat storage device and under a second condition is carried from the heat source and storage device to a heat dissipator. The change in conditions is |
| 4290670 |
Optical receiver/transmitter system employing a common optical aperture |
September 22, 1981 |
| A system for alternately projecting and receiving electromagnetic radiation through a single optical aperture. A source of radiation emits radiation that is focused onto a rotating gating means which is synchronously timed with said source emissions. The gating means acts to reflect radi |
| 4289557 |
Method for mass producing composite shafts |
September 15, 1981 |
| A method for joining a composite material shaft, such as a graphite epoxy or fiber glass driveshaft, to a metal end member is disclosed, wherein said joint is capable of withstanding large ranges of temperature and humidity, can handle high torque and has high resistance to fatigue. The |
| 4284690 |
Cylindrical tapered sleeve optimized for weight and heat conduction |
August 18, 1981 |
| The disclosed invention is a device and method for optimizing the weight and/or the heat transfer (conduction) capability of a heat transfer cylindrical sleeve. The sleeve is designed to fit around a cylindrical heat source. One particular application for this invention is where the |
| 4284457 |
Method for bonding a skin member to honeycomb core |
August 18, 1981 |
| Described herein is a method for bonding a skin member such as metal, plastic, perforated acoustic skin, or fiberglass or graphite reinforced plastic, to a honeycomb core support structure such as lightweight hollow hexagonally shaped tubes. Such a method can be used in the construction |
| 4281900 |
Frontal reflector bracing |
August 4, 1981 |
| This specification discloses a frontal reflector bracing wherein at least a portion of the support for a reflecting surface is positioned on the front side of the surface and the rearward most support is adjacent the reflecting surface. A natural structural rigidity minimizing weight can |
| 4277178 |
Web element concentration detection system |
July 7, 1981 |
| A flying spot scanner is utilized to scan a beam of laser radiation along a fixed spacial path on a moving web material. An optical detector assembly is positioned to receive radiation reflected from individual elements of the web to produce an electrical signal which is processed to det |
| 4276558 |
Hermetically sealed active microwave integrated circuit |
June 30, 1981 |
| An active microwave amplifier element is hermetically sealed on the opposite side of a dielectric substrate from the side in which input and output signals are transmitted. The active element is mounted on a ground plane and is electrically connected to coplanar waveguide elements which |
| 4270603 |
Non-contacting thermal energy transfer assembly |
June 2, 1981 |
| A thermal conducting path between a relatively movable heat source and a relatively fixed heat sink element, defined as a relatively narrow non-contacting conducting gap between opposing conducting surfaces. In an embodiment where the heat source is gimbal mounted, for movement with |
| 4266433 |
Low profile pushbutton radio tuner |
May 12, 1981 |
| The improvement to a low profile pushbutton radio tuner eliminates excessive friction between the mechanical parts thereof by providing loosely mounted cam followers in a mounting mechanism which provides for accurate centering and, therefore, accurate repetitive tuning of stations i |
| 4263559 |
N-way series connected quadrature power divider and combiner |
April 21, 1981 |
| This circuit divides power from an input source equally among N different paths, where N is an arbitrary number. These individual path powers can then be amplified separately to take advantage of the full output power ratings for the individual amplifiers, then the outputs from the a |
| 4251819 |
Variable support apparatus |
February 17, 1981 |
| This specification discloses an apparatus and method for supporting and moving an antenna load when tracking a satellite in a synchronous orbit. The apparatus includes three elongated supports all of which are attached to the antenna with couplings having a two degree of freedom of movem |
| 4247942 |
Jam resistant communication system |
January 27, 1981 |
| 1. In a communication system, a first delay line having multiple spaced taps, means for supplying successive input pulses to said delay line, whereby in response to each input pulse variously delayed pulses appear at the taps of said delay line, means for deriving from said taps pulses |
| 4234954 |
On-line bit error rate estimator |
November 18, 1980 |
| This on-line circuit estimates the bit error rate (BER) of a binary data signal stream in the presence of noise uncorrelated with the signal. For a binary data signal having two states, e.g., plus V and minus V biased around a specified reference level (REF), the circuit counts the numbe |
| 4228410 |
Microwave circular polarizer |
October 14, 1980 |
| This specification discloses a microwave circular polarizer for converting a linearly polarized microwave signal to a circularly polarized microwave signal and vice versa. A transducer, such as an Orthomode junction is used to obtain a power split or a power recombination of two orthogon |
| 4224521 |
Microphonics elimination circuit |
September 23, 1980 |
| The effects of microphonic noise on the output of an array of commonly-mounted pyroelectric detectors are suppressed by contemporaneously adding the signal outputs from all of the detectors, determining the averaged signal, and separately subtracting the averaged signal from each det |
| 4224512 |
Highly sensitive non-refrigerated radiation sensor |
September 23, 1980 |
| A highly sensitive non-refrigerated sensor configured in a microwave bridge to receive incident radiation from a remote target or source. A test arm of the microwave bridge has an aperture for receiving the incident radiation and for allowing that radiation to enter the test arm. A p |
| 4223591 |
Adjustable mount for gun pod and the like |
September 23, 1980 |
| A mounting device for a gun pod has a threaded bolt with a head fixed to an airplane wing. The threaded bolt engages a threaded aperture of an inner sleeve rotatably mounted in an aperture of a middle sleeve. The aperture of the middle sleeve is eccentric with respect to the axis of rota |
| 4209224 |
Prismatic beam rotator for an optical beam projector |
June 24, 1980 |
| A beam projector which is controlled to alternately transmit rectangular cross-sectional beams substantially parallel to a projection axis, wherein the beams are respectively pulse modulated over a correspondingly distinct pulse rate frequency range to supply yaw and pitch information an |
| 4178627 |
Lamp assembly |
December 11, 1979 |
| A lamp assembly in which the lamp housing has a plurality of light bulb sockets and a slot for receiving an electric ribbon cable. The ribbon cable consists of a laminate of dielectric material having a plurality of electrical conductors embedded therein, the conductors having contact |
| 4170694 |
Hermetically sealed alkali metal battery container |
October 9, 1979 |
| This disclosure relates to a hermetically sealed alkali metal battery container. The battery includes a ceramic ring having upper and lower contoured surfaces thereon located on its outer circumferential surface. Outer metal casings defining an upper battery container and a lower bat |
| 4165918 |
Thermal compensator assembly |
August 28, 1979 |
| A thermal compensator assembly employed in an optical system to adjust the relative location of lens elements to maintain a preset focus as the ambient temperature changes. A serpentine channel, having several elongated channel portions parallel to the optic axis, contains a pluralit |
| 4162825 |
Method for adjusting the radius of curvature of a spherical mirror |
July 31, 1979 |
| A method and apparatus for controlling the astigmatic focusing of a spherical mirror by adjusting the radius of curvature configuration thereof. Adjustment is made by applying a couple to the outer edge of the spherical mirror. A floating support mechanism prevents distortion of the |