| Patent Number |
Title Of Patent |
Date Issued |
| RE35366 |
Apparatus and method for optical signal source stabilization |
October 29, 1996 |
| The frequency of an optical signal output from an optical source is controlled by adjusting the frequency of the optical signal output from the signal source to maintain a selected optical transmission through a Fabry-Perot cavity. |
| RE34863 |
High impedance circuit for injection locked magnetrons |
February 21, 1995 |
| A high impedance circuit has radially disposed first vanes and radially disposed second vanes interdigitating between the first vanes. The first vanes and the second vanes are each interconnected by a first toroidal strap and a second toroidal strap, respectively. The first strap and the |
| RE34121 |
Method and system for correcting random walk errors induced by rate reversals in a dithered ring |
November 3, 1992 |
| A correction to the output angle of the ring laser gyroscope is calculated as a function of the phase difference and the magnitude of coupling between the two counterpropagating beams when the dither oscillations change direction. A pair of heterodyne detectors produce heterodyne sig |
| RE32849 |
Method for fabricating multi-layer optical films |
January 31, 1989 |
| A method for fabricating multiple layer interference optical films by ion beam sputtering, said films being used for mirrors in a ring laser apparatus. An ion beam strikes a target material obliquely, dislodging molecules of the target so that they can be deposited on a surface serving |
| RE31704 |
Transformer having novel multiple winding and support structure and method of making same |
October 9, 1984 |
| Electrical apparatus includes electrical coil means formed of multiple turns of enamel-covered electrical wire axially mounted on a core of magnetic material in electromagnetic energy coupling relationship therewith, and a relatively flat flexible electrical cable containing a plural |
| RE30290 |
Flexure hinge assembly |
June 3, 1980 |
| A flexure hinge assembly comprising a pair of fixed telescopes inner and outer tubular members separated into at least one driving portion, at least one gimbal portion and at least one driven portion and a plurality of flexure blades all formed by a plurality of slots and apertures throu |
| D524339 |
Digitally enhanced night vision device |
July 4, 2006 |
|
| D517639 |
Fused multi-spectral weapon sight |
March 21, 2006 |
|
| D437381 |
Sighting device |
February 6, 2001 |
|
| D421248 |
Fuse clip |
February 29, 2000 |
|
| D417391 |
Optical component packaging |
December 7, 1999 |
|
| D412577 |
Oxygen concentrator used in home health care |
August 3, 1999 |
|
| D397671 |
Power clip |
September 1, 1998 |
|
| D358830 |
Helmet mount for a night vision device |
May 30, 1995 |
|
| D352727 |
Face mask mount for a night vision system |
November 22, 1994 |
|
| D351397 |
Night vision monocular |
October 11, 1994 |
|
| D331717 |
Emergency locator transmitter |
December 15, 1992 |
|
| D331548 |
Emergency position indicating radio beacon |
December 8, 1992 |
|
| D320950 |
Combined transmitter buoy and bracket therefor |
October 22, 1991 |
|
| D319799 |
Transmitter buoy |
September 10, 1991 |
|
| D319407 |
Transmitter buoy |
August 27, 1991 |
|
| D280210 |
Ink ribbon cartridge |
August 20, 1985 |
|
| D275616 |
Pressure regulator control module for self-contained breathing apparatus |
September 18, 1984 |
|
| D274915 |
Weapon sight |
July 31, 1984 |
|
| D268981 |
Reversible microwave roasting rack |
May 17, 1983 |
|
| D266051 |
Microwave oven |
September 7, 1982 |
|
| D256764 |
Microwave oven |
September 9, 1980 |
|
| D251105 |
Microwave oven |
February 20, 1979 |
|
| D242836 |
Kitchen range |
December 28, 1976 |
|
| D242594 |
Kitchen range |
December 7, 1976 |
|
| 7426860 |
Ring resonator gyro with folded cylinder suspension |
September 23, 2008 |
| A ring resonator gyro comprises a folded cylinder suspension that supports a cylindrical ring resonator. The folded cylinder suspension comprises an inner cylinder, an outer cylinder, and an annulus. The inner cylinder, the outer cylinder, and the annulus are concentric. A top edge of th |
| 7412118 |
Micro fiber optical sensor |
August 12, 2008 |
| A method is provided for producing an optical acoustic sensor. In one embodiment, a method comprises winding a single-mode optical sensor fiber around at least one mandrel. The optical acoustic sensor fiber can comprise a core region having a diameter of about 2 .mu.m to about 8 .mu. |
| 7392702 |
Method for modifying the location of nodal points of a vibrating beam |
July 1, 2008 |
| The apparatus in one embodiment may have: a beam having at least first and second mounting points that are operatively coupled to the beam by first and second flexures, respectivly; the beam having first and second nodal points; the beam having a center area; and an altered mass content |
| 7382002 |
Photo-detector and related instruments |
June 3, 2008 |
| An apparatus comprising at least one multilayer wafer includes a device layer adjacent to a barrier layer, and the device layer includes at least two photoconductive regions separated by an etched channel extending through the device layer. In some instances the apparatus may be an a |
| 7359114 |
Clip-on night vision device |
April 15, 2008 |
| A night viewer (10) is adaptable to generate an enhanced image suitable for viewing through an optical scope (16). An input end (18) of the viewer (10) receives the image to be enhanced through an objective lens (20). An image enhancing unit (22) enhances the image. The enhanced image |
| 7334474 |
Force balanced instrument system and method for mitigating errors |
February 26, 2008 |
| A force balanced instrument system and method for mitigating errors is provided. The system and method mitigate errors in measurement readings caused by charge buildup in force balanced instruments that employ charge pulses to generate an electrostatic force to null an inertial proof mas |
| 7327462 |
Method and apparatus for direct detection of signals from a differential delay heterodyne interf |
February 5, 2008 |
| A direct detection method and apparatus for a fiber optic acoustic sensor array systems using an in-line Michelson sensor TDM array and an interferometric section having two acousto-optic modulators that produce optical pulses that are frequency shifted with respect to each other. Di |
| 7310464 |
Multi-wavelength optical source |
December 18, 2007 |
| A multi-wavelength optical source includes a broadband optical source providing a broadband optical signal, and a modification module optically coupled to the broadband optical source. The modification module splits the broadband optical signal into a first output signal and a second |
| 7305153 |
Multi wavelength sensor array |
December 4, 2007 |
| The number of sensors that can be used by an SSA system including a single source can be increased by using a multi wavelength source to send different wavelength pulses to each of a plurality of different sensor array ladders, particularly Sagnac sensor array (SSA) ladders. More par |
| 7296468 |
Digital coriolis gyroscope |
November 20, 2007 |
| Apparatus, systems, and methods to control the frequency of a plurality of gyroscopes are disclosed. The gyroscopes are configured such that each individual gyroscope operates independently of one another and at the same pre-determined frequency. To accomplish this, the natural frequency |
| 7295322 |
Optical power measurement of a closed loop fiber optic gyroscope |
November 13, 2007 |
| This disclosure describes fiber optic gyroscopes that have integrated power measurement capabilities, and related methods and apparatus. More particularly, it describes determining the optical power of a fiber optic gyroscope (FOG) by temporarily adjusting the phase difference between tw |
| 7280218 |
Apparatus and method to facilitate laser gyroscope ionization |
October 9, 2007 |
| An apparatus and method is provided for facilitating ionization of a gas medium of a laser gyroscope. The apparatus and method employ a solid state light emitting device as a start aid for the laser gyroscope. The solid state light emitting device has a wavelength at or below a thres |
| 7274830 |
System for multi-sensor image fusion |
September 25, 2007 |
| A method and system for fusing image data includes an electronic circuit (L) for synchronizing image frames. An adaptive lookup table unit (302a, 302b) receives the image frame data sets and applies correction factors to individual pixels. The size of an image is then scaled or otherwise |
| 7236595 |
Integrated optics encryption device |
June 26, 2007 |
| The present invention relates generally to an integrated optics encryption device. The preferred embodiment of the invention is an integrated optics encryption device comprising a coherent light source connected to a multi-functional integrated optics chip (MIOC). The MIOC comprises two |
| 7177485 |
Method and system for combining image data |
February 13, 2007 |
| A system and method for combining image data are disclosed. Sensor data sets (210, 212) are received from sensors (112). An image metric (214) with slots (217) is generated by repeating the following for each sensor data set (210, 212) until a final slot (217) of the image metric (214) i |
| 7177028 |
Reusable, high stiffness, magnetic shield for fiber optic gyroscopes |
February 13, 2007 |
| A spool (12), for supporting a fiber optic coil (14) and a shield (118) surrounding the spool and fiber optic coil, includes a centrally placed, bolt-receiving opening (29). The shield includes a lower shield portion (20), which supports the spool and the fiber optic coil, and an upper |
| 7176963 |
Method and system for real-time image fusion |
February 13, 2007 |
| A system, a method, and software for image fusion are disclosed. Image sensors sense light and generate image sensor data in response to the light. Spectral detectors detect energy of the light proximate each image sensor, and a voltage value corresponding to the detected energy is d |
| 7133776 |
Attitude alignment of a slave inertial measurement system |
November 7, 2006 |
| A method for attitude alignment of a slave inertial measurement system connected to a rotationally mobile platform supported by a vehicle that is stationary relative to a reference navigation frame comprises the steps of mounting a master reference inertial measurement system on the |
| 7129462 |
Digitally enhanced image intensification camera |
October 31, 2006 |
| An image intensification camera system (C) for gathering image data includes an image intensifier (310) for amplifying received light (312). A relay optic assembly (316) is coupled between the image intensifier (310) and a digital image sensor (318), such as a CMOS or CCD device. Dig |
| 7095963 |
Multi-channel optical receiver for processing tri-cell polarization diversity detector outputs |
August 22, 2006 |
| An optical receiver system for processing signals output from a polarization diversity detector that includes a plurality of photodetector cells. Each cell provides an signal that includes a phase generated carrier signal having a modulation frequency .omega. and a sensor signal that |
