Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 4669099 | Digital frequency multiplier A square wave with a 50% duty cycle which has frequency twice that of an input square wave also having a 50% duty cycle is obtained by generating from the incoming square wave two waveforms having 75% duty cycles with the two waveforms 180° out of phase ... | 05/26/1987 |
| 4654668 | Microstrip circuit temperature compensation with stub means In order to achieve temperature compensation in a microstrip linear array, the array is periodically loaded by means of a plurality of open circuited stubs coupled to the main transmission line through tightly controlled gap dimensions to provide increasi... | 03/31/1987 |
| 4644360 | Microstrip space duplexed antenna Separate receive and transmit interleaved arrays are distributed throughout a defined area. Each array is interconnected, at opposite ends thereof, to a feed line so that the receive and transmit antennas are each associated with four beams. Feed through ... | 02/17/1987 |
| 4639231 | Retainer for electrically fired getter Apparatus is disclosed for retaining an electrically fired getter inside a ring laser gyroscope. A groove is formed in a plate, which is hermetically sealed to a hole in the ring laser gyroscope block. The cylindrically shaped getter is placed longitudina... | 01/27/1987 |
| 4621529 | Multi-sensor pickoff assembly A navigation sensor, including a gyroscopic element, which has a spin axis, and which has flexure hinge for resiliently mounting the element on a base, and a torque sensing assembly, which has a first piezoelectric beam that is mounted in coaxial relation... | 11/11/1986 |
| 4614317 | Sensor for anti-tank projectile A radar sensor mounted in a projectile detects a target and orients the projectile so that a self-forging fragment, carried in the projectile, may be properly fired toward the top of the target. The sensor provides means for generating a broad fan beam co... | 09/30/1986 |
| 4610543 | Electronic dither compensator for a ring laser gyro An electronic dither compensator for a ring laser gyroscope uses a velocity pickoff to eliminate the need for a differentiator following a displacement pick off in order to get a rate signal. The dither pickoff is converted, in a voltage to frequency conv... | 09/09/1986 |
| 4605931 | Crossover traveling wave feed for microstrip antenna array A feed system for a microstrip or stripline antenna includes a serpentine traveling feed located in the plane of interleaved arrays along which a first signal propagates. A chain of crossover structures serves as a second traveling feed, extends in coplan... | 08/12/1986 |
| 4603332 | Interleaved microstrip planar array Two separate microstrip antennas are interleaved in the same plane thereby occupying substantially the same area as a single antenna. Each antenna aperture produces two beams and the configuration for each antenna includes a single feed on each planar arr... | 07/29/1986 |
| 4601205 | Linear acceleration compensation for multisensor An angular velocity sensing device having a pair of bendable piezoelectric crystal members encounters undesirable effects due to linear acceleration. To buck out the sensing device signal component representing this effect, a compensating device having it... | 07/22/1986 |
| 4599803 | Heading indicator and method of using A heading indicator is disclosed which utilizes a one degree of freedom platform stabilized by a two degree of freedom dry flexure gyro. The output of one of the sensitive axis is coupled through an amplifier to the corresponding torquer in the gyro and s... | 07/15/1986 |
| 4593576 | Micro stepping drive An internally and externally threaded double nut is screwed onto the threaded shaft of a stepper motor. The nut is restrained from rotational motion thereby limiting it to translation along the shaft axis. An internally threaded output sleeve is screwed o... | 06/10/1986 |
| 4585346 | Pathlength controller for three-axis ring laser gyroscope assembly A pathlength controller is provided for a three-axis, cube-shaped ring laser gyroscope assembly having three four-sided gyroscopes with six mirrors, including three movable mirrors and three fixed mirrors, wherein the controller connects between the three... | 04/29/1986 |
| 4583079 | Multiplexed tracking converter Multiple input channels, containing servo angle data, undergo analog multiplexing by a single non-linear ladder and switch network which generates a steering voltage on a channel-by-channel basis. The steering voltage undergoes demodulation and digitizati... | 04/15/1986 |
| 4583162 | Look ahead memory interface A memory access system for a computer is improved by combining look ahead techniques with a partitioned memory. A parallel system operating in reciprocal fashion accesses from one portion while the other portion is generating the next predicted address. T... | 04/15/1986 |
| 4561780 | Pathlength controller for ring laser gyroscope A pathlength controller for a ring laser gyroscope with a modulated mirror is disclosed where a voltage bias is applied to the modulation signal to prevent starting the ring laser gyroscope at a point where it operates with two equal longitudinal modes.... | 12/31/1985 |
| 4545682 | Optical gyroscope A light source signal is amplitude modulated by a phase modulated sinusoid and passes through two directional couplers so that two beams are formed. The beams are transmitted to the ends of an optic-fiber coil for propagation therethrough in opposite circ... | 10/08/1985 |
| 4536064 | Clear view screen In a clear viewing screen of the kind comprising a fixed screen element; a disk-like screen element supported for rotation at the outside of the window; a motor for driving the rotatable disk-like screen element supported at the inside of the fixed screen... | 08/20/1985 |
| 4536087 | Dither compensator for ring laser gyroscope Dither compensation in a ring laser gyroscope is effectuated by one or more retroreflective prisms or by one or more pairs of cofunctioning transparent wedges mounted to the gyroscope casing in a dither compensation plane parallel to the plane of the lase... | 08/20/1985 |
| 4532516 | Calibrator for distance measuring equipment In distance measuring equipment apparatus which includes an antenna; a transmitter/receiver coupled to the antenna to transmit interrogation pulses and receive responses from a ground station, the pulses being spaced apart, the ground station also transmi... | 07/30/1985 |
| 4516076 | Fault detection arrangement for relay switching system An arrangement for detecting faults in automatic test systems of the type wherein test points in a unit under test are connected to test instruments by the programmed closure of electromechanical relay contacts. Respective contacts of the relays are conne... | 05/07/1985 |
| 4512086 | Heading indicator A heading indicator is disclosed which utilizes a one-degree-of-freedom platform stabilized by a two-degree-of-freedom dry flexure gyro. The output of one of the sensitive axis is coupled through an amplifier to the corresponding torquer in the gyro and s... | 04/23/1985 |
| 4503543 | Ring laser gyroscope getter-holder A resilient serpentine shaped tungsten wire is formed to match a short wire section to hold a ring laser gyroscope getter. The getter-holder assembly is positioned within a stepped oblong bore so that the getter is in firm contact with the bore surface at... | 03/05/1985 |
| 4493997 | Fiber optic sensor for shaft state A shaft state sensor includes a rotating member having a miniaturized lamp mounted thereto. A rotary transformer is connected to the lamp and supplies it with power. A number of optic fibers are arranged in a circular configuration on a stationary member ... | 01/15/1985 |
| 4486845 | Resolver to incremental shaft encoder converter A circuit for duplicating the function of an incremental shaft encoder comprises a rugged resolver connected to a hybrid digital-analog circuit which generates output signals identical to those of a counterpart incremental encoder. The digital portion of ... | 12/04/1984 |
| 4477188 | Monolithic three axis ring laser gyroscope A monolithic ring laser gyroscope is formed by six mirrors mounted to the respective center of each face in a cube. Bores in the cube interconnect each of the mirrors. Three orthogonal planes are defined within the cube, each of which contains a laser cav... | 10/16/1984 |
| 4473297 | Ring laser gyroscope utilizing phase detector for minimizing beam lock-in Two of the three reflecting mirrors in a ring laser gyroscope are provided with transducers permitting the mirrors to control the ring laser gyroscope laser path. The third mirror is partially reflecting to permit some cavity radiation to exit. The radiat... | 09/25/1984 |
| 4464942 | Gyroscope hinge assembly with adjustable axial compliance A universal joint hinge assembly for a tuned rotor gyroscope is insensitive to restraint changes due to spin axes accelerations. The hinge assembly is readily trimmable at the gyroscope wheel assembly to permit adjusting of the axial compliance of the gyr... | 08/14/1984 |
| 4464721 | Digitized pickoff system A digitized pickoff system is provided for sensing displacement of complementary elements of a dual element pickoff assembly in an inertial sensor for use in an inertial navigation system comprising a relaxation oscillator adapted to sequentially select e... | 08/07/1984 |
| 4464752 | Multiple event hardened core memory A computer system is provided for reconstructing a word, which is altered during cycling of the computer memory when a nuclear event occurs. The computer system includes a nuclear event detector, a circuit for setting flags in response to the detection of... | 08/07/1984 |
| 4464747 | High reliability memory The disclosure describes a memory system having a large bit capacity, capable of detecting, locating, and correcting errors. The memory is subdivided into several identical storage matrices wherein parity calculations are performed in the vertical directi... | 08/07/1984 |
| 4461051 | Apparatus for cleaning stator windings During assembly of a motor, a stator winding is installed in a jig in preparation of cleaning. A brush is moved axially through the central space of the winding. The shaft of the brush is equipped with fluid jets which direct solvent against the winding a... | 07/24/1984 |
| 4460853 | Gyroscope wheel dynamic braking and sequence inhibit circuit An inertial measuring unit gyroscope wheel dynamic braking and sequence inhibiting circuit is disclosed. The circuit comprises a first counter for counting a specified time interval and digital logic circuitry for applying an in-phase signal to the phases... | 07/17/1984 |
| 4454777 | Flexure suspended gyro utilizing dual salient pole magnets The torquer section of a gyro includes a plurality of torquer coils symmetrically positioned within a flywheel. A pair of parallel spaced radially oriented salient torquer magnets are located within the flywheel and are equidistant to each respective coil... | 06/19/1984 |
| 4455060 | Ring laser gyro cathode connection This solderless electrical connector for an electrical cable consists of a helical spring and loop joined together to form a ring. The helical spring provides a snug fit on a matching cylindrical post while offering strain relief protection for the electr... | 06/19/1984 |
| 4452342 | Shaft braking mechanism utilizing non-permanent deforming brake shoe A braking mechanism for a rotating shaft includes a corrugated wheel keyed to the shaft. A polyurethane pad mounted on a spring-biased plunger contacts the wheel corrugations creating non-permanent mating formations in the pad. Thus, upon contact between ... | 06/05/1984 |
| 4446394 | Linearizing mechanism for a vibrating beam force transducer A single beam force transducer is provided with integrally affixed isolation springs which are axially compliant and unbalanced in their spring rates so as to induce beam bending due to applied tension and compression. The amount of bending introduced due... | 05/01/1984 |
| 4444502 | Ring laser gyroscope with fiber optic beam combiner An electromechanically dithered ring laser gyroscope includes a beam combiner utilizing optical fibers instead of conventional optics. This permits a beam measuring photodetector and associated electronics to be positioned outside the gyroscope or its enc... | 04/24/1984 |
| 4445065 | Non-prismal beam resonator A single beam force transducer has a beam characterized by a thickened central portion and tapered outward portions. The support members of the transducer are thickened and are thus stiffer while the isolator masses are shortened. These critical configura... | 04/24/1984 |
| 4436423 | Ring laser gyroscope suspension A torsional hinge is axially mounted within a central bore of a ring laser gyroscope body. The hinge comprises a plurality of angularly spaced wing sections having generally radially extending slits therein for permitting torsional motion of the gyroscope... | 03/13/1984 |