| Patent Number |
Title Of Patent |
Date Issued |
| 6465938 |
Image intensifier tube |
October 15, 2002 |
| An image intensifier tube includes a photocathode (20) with an active layer (52) providing an electrical spectral response to photons of light. The photocathode (20) also includes integral spacer structure (42) which extends toward and physically touches a microchannel plate (22) of the |
| 6453088 |
Segmented waveguide for large diameter fiber optic rotary joint |
September 17, 2002 |
| The present invention is directed to segmented waveguide for a fiber optic rotary joint. The segmented waveguide is mountable to the existing stator surface. The segmented waveguide is capable of receiving signals from the rotor. The fiber optic rotary joint includes a rotor and an exist |
| 6450943 |
Apparatus for and method of combating the gravity push-pull effect experienced by an airman wear |
September 17, 2002 |
| An anti-G system is used to combat the push-pull effect experienced by airmen during and after a transition from a period of low or negative G force levels to high G force levels. The anti-G system includes an anti-G controller configured to receive signals indicative of airman accelerat |
| 6449295 |
Method and system for generating laser light |
September 10, 2002 |
| A laser system is disclosed. The system comprises laser emitters (102, 104, and 106) forming a laser stack (108). A heater resistor (110) coupled to the laser stack (108) stabilizes the temperature of the laser stack (108). A heat reservoir (112) coupled to the laser stack (108) stores t |
| 6448742 |
Low profile battery pack with aircraft power provisions |
September 10, 2002 |
| A transportable power source (P) for an image viewing device (D) includes a battery pack housing assembly (10) to internally hold a first battery pack (12). An electrical interface circuit (14) receives an input voltage level (16) and provides a resulting output voltage level (18) as an |
| 6447653 |
Method of shaping a flux mask and process of sputtering with the shaped flux mask |
September 10, 2002 |
| The present invention provides a method for shaping a mask to reduce coating non-uniformity in the radial direction. A test run of the ion beam sputtering system coats a stationary glass plate having the same area and shape as the platen. The resulting coating thickness is measured acros |
| 6442883 |
Single cam operated attachment device |
September 3, 2002 |
| A fastening device (F) with first (16) and second sides (30) attaches a first device (10) to a mounting rail (12) of a second device (14). A top section (44) for mounting the first device extends from the first or second sides. The sides are adapted to removably clamp about the rail. A |
| 6440264 |
Method and system for manufacturing a photocathode |
August 27, 2002 |
| A system for manufacturing a photocathode includes a cap having a first end and a second end. The first end defines a passage operable to direct an etch compound to an etch surface of the photocathode. The system also includes a support operable to releasably engage the cap to align the |
| 6438280 |
Integrated optics chip having reduced surface wave propagation |
August 20, 2002 |
| An optical waveguide is formed in an integrated optics chip that includes a substrate formed of an electrooptically active material. The optical waveguide network has an input facet where optical signals may be input to the optical waveguide network and an output facet where optical sign |
| 6434283 |
In-line fiber-optic polarizer |
August 13, 2002 |
| A fiber-optic acoustical sensor system includes a light source, an elongate optical cable conducting light from the light source to an optical acoustical transducer located at a distance from the light source along this cable, and a polarizer at the acoustical transducer. The sensor |
| 6422765 |
Modular apparatus for packaging and interfacing a photodiode with an optical fiber |
July 23, 2002 |
| Modular apparatus for packaging and interfacing a planar photodiode with an optical fiber terminated in a ferrule. An elongated terminal pin protrudes from a header of a generally-cylindrical housing. The ferrule end of the fiber is received at the opposed end of the housing and aligned |
| 6421454 |
Optical correlator assisted detection of calcifications for breast biopsy |
July 16, 2002 |
| Ultrasonographic imaging of small calcifications or similar hard bodies distributed in human breast tissue is enhanced by correlating an ultrasonographic data set with a radiographic image of the same region of interest. A "constellation" or cluster of small calcifications is disting |
| 6418246 |
Lateral trenching for cross coupling suppression in integrated optics chips |
July 9, 2002 |
| An optical waveguide network is formed in a substrate of an electrooptically active material. The optical waveguide has input and output facets where optical signals may be input to and output from the integrated optics chip. At least one lateral trench is formed in the substrate. Th |
| 6417802 |
Integrated inertial/GPS navigation system |
July 9, 2002 |
| The invention is a method and apparatus for adjusting the phase and frequency of a received GPS signal in an inertial-GPS navigation system by inputting a delta-phase at delta-time intervals into the received satellite signal. The method comprises the steps of determining two delta-p |
| 6409807 |
Linear gas valve cycle control, shut-off-valve and self test |
June 25, 2002 |
| The present invention relates to detecting the state of a slide block positioned in a linear valve and using the position of the slide block to predict the health of a linear valve and provide information to a controller/monitor. An operator is provided with information before failur |
| 6397146 |
Acceleration compensation in a GPS-inertial navigation system |
May 28, 2002 |
| The invention is a method and apparatus for compensating for acceleration in a GPS-inertial navigation system. A translated satellite signal is a satellite signal translated in the GPS receiver to an intermediate-frequency band by a sequence of M mixing operations, M being an integer |
| 6396940 |
Optical correlator based automated pathologic region of interest selector for integrated 3D ultr |
May 28, 2002 |
| Ultrasonographic information about the internal structure of a subject body is combined with x-ray or other radiographic information from the same subject body by using an optical correlator to quickly find a transformation which aligns the information from both sources, even if they |
| 6384491 |
Active energy hold up for power supplies |
May 7, 2002 |
| A bi-directional flyback converter (30), as regulated by control circuitry (34), is used to maintain power from a capacitor (36) to aircraft electronics (20) when power from a ground source through bus (12) is switched by a switching relay (16) to the aircraft source through bus (14) |
| 6380803 |
Linear amplifier having discrete resonant circuit elements and providing near-constant efficienc |
April 30, 2002 |
| A linear amplifier comprises an electron gun assembly having a cathode, and an anode spaced from the cathode. A relatively high voltage potential is applied between the anode and the cathode, and the cathode provides an electron beam in response to the relatively high voltage potential. |
| 6374672 |
Silicon gyro with integrated driving and sensing structures |
April 23, 2002 |
| A rotation sensor is formed of three semiconductor wafers. A first wafer comprises a frame that surrounds a paddle. The rotation-sensitive paddle is surrounded on either of the opposed sides of the first wafer by rings of driven elements formed of radially-directed plateaus in the se |
| 6363786 |
Dynamically enhanced fiber optic particle motion accelerometer |
April 2, 2002 |
| A fiber optic particle motion accelerometer has a housing with a mid-section mounted therein such that the mid-section flexes in response to acceleration along a sensing axis. A proof mass is mounted to an outer edge of the mid-section. A first spiral-wound optical fiber coil is moun |
| 6360602 |
Method and apparatus reducing output noise in a digitally rebalanced accelerometer |
March 26, 2002 |
| A closed loop accelerometer includes apparatus within an associated digital rebalance loop for reducing the presence of low frequency moding noise in the accelerometer output. In one embodiment, the digitized corrective signal is applied to a moving average filter. In a second embodiment |
| 6357296 |
Vibratory sensor with virtual node/antinode correction of secondary harmonics |
March 19, 2002 |
| A vibratory sensor with a resonator for measuring angular rotation, such as for example a hemispherical resonator gyroscope (HRG) operating in force rebalance mode, includes circuitry to generate a virtual node and antinode in the resonator standing wave. Shifting a pair of pickoff elect |
| 6357295 |
Counterbalanced rotation rate sensor |
March 19, 2002 |
| A sensor for measuring rotation rate with respect to three axes and linear acceleration with respect to two axes. Electromagnets comprising cores of high magnetic permeability and windings are fixed to structures that protrude inwardly from outer frames of upper and lower rotor assemblie |
| 6351660 |
Enhanced visualization of in-vivo breast biopsy location for medical documentation |
February 26, 2002 |
| An image processing system and method visually documents and displays the in-vivo location from which a biopsy specimen was extracted, by processing pre-biopsy and post-biopsy images. A composite image is created which visually emphasizes differences between the pre-biopsy and post-biops |
| 6351575 |
Multifunction integrated optics chip having improved polarization extinction ratio |
February 26, 2002 |
| An integrated optics chip includes an optical waveguide network formed on a surface of an electrooptically active material. The optical waveguide network has an input facet where an optical signal may be input to the optical waveguide network and an output facet where optical signals may |
| 6346985 |
Optical method for the transduction of remote arrays of electromechanical sensors |
February 12, 2002 |
| An electromechanical sensor produces an electrical signal in response to a change in a physical parameter being monitored by the sensor. An optical phase modulator is arranged such that electrical signals from the electromechanical sensor cause a phase change in optical signals propa |
| 6342090 |
Gas generating system with multi-rate charging feature |
January 29, 2002 |
| The present invention is directed to an apparatus for supplying gas at a first pressure and at a second pressure. The apparatus includes a gas generating system having a gas generating system outlet. A flow switch is in communication with the gas generating system outlet and has an outle |
| 6337649 |
Comparator digital noise filter |
January 8, 2002 |
| Spurious pulses are eliminated in the output of a comparator performing analog to digital conversion by addition of logic which eliminates pulses having a width less than a selected width from the output of the comparator. |
| 6334468 |
Fill port adapter for medical gas cylinder valves |
January 1, 2002 |
| The present invention allows an additional connection to a standard medical gas cylinder valve such as a CGA-870 valve. An additional connection may be used for filling a cylinder without removing the pressure reducer, simultaneous filling while drawing through the pressure reducer, or f |
| 6332815 |
Clip ring for an electrical connector |
December 25, 2001 |
| The present invention is directed to an integrally formed clip ring made out of a conductive resilient material such as beryllium copper. The clip ring is used for retaining a male member and a female member of an electrical connector and for forming a ground circuit between the male |
| 6332210 |
Method of creating and using system-independent software components |
December 18, 2001 |
| A software application is analyzed to identify its "core functionalities", and object-oriented core objects containing no application-specific control behavior are created to perform these essential functions. The event traces in which the core objects participate are identified, and |
| 6331753 |
Image intensifier tube |
December 18, 2001 |
| An image intensifier tube includes a photocathode (20) with an active layer (52) providing an electrical spectral response to photons of light. The photocathode (20) also includes integral spacer structure (42) which extends toward and physically touches a microchannel plate (22) of the |
| 6330361 |
Adaptively aligned optical correlator and method |
December 11, 2001 |
| An improved optical correlator using a coherent light beam employs a method of adaptive alignment. A test pattern modulates an input spatial light modulator. The modulated beam propagates through passive transforming optical elements to a filter spatial light modulator, which is simu |
| 6330105 |
Double-pass fully isolated broadband optical signal source for fiber optic interferometric senso |
December 11, 2001 |
| A pump light source provides pump light to an optical fiber arranged to guide the pump light to a first optical isolation device. Light output by the first optical isolation device is input to a wavelength division multiplexer. A gain fiber is connected to the wavelength division mul |
| 6329753 |
M-type microwave device with slanted field emitter |
December 11, 2001 |
| The present invention relates to M-type microwave devices and is aimed to improve effectiveness of using a working surface of field-electron emitters, to improve their reliability while increasing stability of field emission and service life of the device. These objects are solved in the |
| 6328464 |
Luminaire using right angle film |
December 11, 2001 |
| Disclosed is a luminaire including a housing for receiving light axially and having at lest one optical surface for emitting light. A lens is mounted in the housing and has a light input portion and a light output portion. A prismatic film is mounted in the housing onto which light o |
| 6327028 |
Night convoy maneuver system |
December 4, 2001 |
| A distance judging system (S) includes at least two spaced apart marker devices (10) formed on a first object (12) and providing a signal (14). A viewer (A) is adapted to detect relative position of the signals (14) from the markers (10), and create an image (22) of the relative position |
| 6326730 |
Low-power wide-bandwidth klystron |
December 4, 2001 |
| A low-power wide-bandwidth klystron comprises a cathode having an electron emitting surface capable of emitting an electron beam and a collector spaced from said cathode and designed to collect the electron beam emitted from the cathode. An anode is disposed between the cathode and the |
| 6324909 |
Signal processing system for inertial sensor |
December 4, 2001 |
| A dithered Coriolis acceleration sensor system has a proof mass that is free of feedback in the accelerometer servo loop at the dither frequency by totally notching out all feedback torque at this frequency. The proof mass relative motion is then a direct measure of the rate because ther |
| 6323474 |
Method and system for modulating light |
November 27, 2001 |
| A system for modulating light is disclosed. The system comprises a detector (102) that receives input radiation (101) and generates detector data (104) representative of the input radiation (101). An information processor (106) receives the detector data (104) and generates control d |
| 6320992 |
Integrated optic accelerometer and method |
November 20, 2001 |
| An optical waveguide is formed on a first side of an integrated optics substrate. The optical waveguide is included in a first arm of an interferometer that is arranged to produce an interference pattern. The integrated optics substrate is mounted and arranged such that acceleration |
| 6320315 |
Ceramic electron collector assembly having metal sleeve for high temperature operation |
November 20, 2001 |
| A collector structure comprises a heat sink having a cylindrical opening, a sleeve disposed within the cylindrical opening of the heat sink, and a collector core disposed within the sleeve. The sleeve is comprised of a material having a rate of thermal expansion different than that of th |
| 6320180 |
Method and system for enhanced vision employing an improved image intensifier and gated power su |
November 20, 2001 |
| The present invention comprises a method for detecting photons and generating a representation of an image. A photocathode receives photons from an image. A power supply to the photocathode is gated such that the photocathode is switched between an on state and an off state. The phot |
| 6317547 |
Optical fiber for reducing optical signal reflections |
November 13, 2001 |
| Attenuation of an optical signal at the end of an optical fiber is achieved by positioning a high absorption region at the end of the fiber. A first embodiment teaches highly doped cylinders within a tapered end of the fiber. The highly doped cylinders adjacent the light transmitting cor |
| 6317215 |
Pseudorandom bit sequence generation |
November 13, 2001 |
| The invention is a method and apparatus for generating a pseudorandom sequence of bits. The method comprises the steps of (1) selecting a "0" or a "1" as the next bit of the modified pseudorandom bit sequence if one or more criteria are satisfied, the criteria being based on the measured |
| 6317213 |
Unbalanced fiber optic Michelson interferometer as an optical pick-off |
November 13, 2001 |
| A system for measuring changes in an environmental parameter, such as velocity or pressure, includes an optical signal source for providing a coherent light signal, and an interferometer having a first and second optical legs of unequal optical path lengths. The signal is split into |
| 6314811 |
Acoustic sensor module design and fabrication process |
November 13, 2001 |
| The design and method of fabrication for an acoustic sensor module for mounting on the hull of a submarine or surface ship is disclosed. The design involves the use of molded alignment structures within a two part rubber shell to reduce tooling requirements and eliminate a significant |
| 6313794 |
Method of detection and determining an angular location of frequency agile emitters |
November 6, 2001 |
| The present invention uses feedback 300 from RF carrier frequency measurements 301 to disassociate the emitter angle-of-arrival component 313 in the ambiguous phase measurement 312 from the initially unknown phase measurement integer ambiguities 314; to then process 302 resolve the a |
| 6308569 |
Micro-mechanical inertial sensors |
October 30, 2001 |
| Micromechanical inertial sensors are formed of a plurality of substantially-planar semiconductor wafers interspersed with oxide layers. The sensitive element is located within an internal aperture of a wafer of the device and is separate therefrom. It is connected to an overlying oxi |
