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| Number | Title | Issue Date |
| 8152347 | Light emitting diode linear light for machine vision The invention herein comprises a linear lighting system which incorporates light emitting diode (LED) light sources with one or more distinct colors including broad band white light. The LED die or die arrays are mounted to a high thermal conductivity circuit board ... | 04/10/2012 |
| 7959286 | Solid state lenses and lens components Solid state lenses, lens blanks, and lens components formed of compressible mixed powders of two or more optical substances where the mixing ratio has been deliberately varied from place to place within the volume of the optical component to produce optically useful... | 06/14/2011 |
| 7926942 | Solid state lenses and lens components Solid state lenses, lens blanks, and lens components comprising compressible materials ground into fine powders having mechanical properties that make them capable of being formed into cohesive monolithic masses that are low in scattering. The fine powders may be ad... | 04/19/2011 |
| 7838765 | Electrical conducting wire having liquid crystal polymer insulation An electrically conducting wire structure and a method for its manufacture where the wire structure has at least one elongated electrically conducting wire and a liquid crystal polymer coating of insulation formed by cross-head extrusion as a layer around the electr... | 11/23/2010 |
| 7832878 | Light emitting diode projection system The present invention generally relates to video and/or television projection systems, and more particularly, to LED based light source systems utilizing generally non-rotationally symmetric, preferably oblong or rectangular, non-imaging collection optics for provid... | 11/16/2010 |
| 7801425 | Underwater adaptive camera housing An underwater camera housing provided with an adaptive mechanical control arrangement for use with a broad range of camera brands and models. The camera housing is preferably formed of front and rear housing sections that are molded of clear transparent plastic and ... | 09/21/2010 |
| 7766561 | Environmentally robust liquid crystal polymer coated optical fiber cable and its use in hermetic packaging The invention relates to high-strength, abrasion-resistant optical fiber cable having a supplemental layer consisting essentially of a liquid crystal polymer (LCP) to enhance the cable's tensile strength and hermetically seal it, and an outermost encasing layer to p... | 08/03/2010 |
| 7591557 | Solid state method and apparatus for making lenses and lens components A solid state, compression method for fabricating lenses, lens blanks, and lens components from materials ground into fine powders having mechanical properties the make them capable of being formed into cohesive monolithic masses that are low in scattering. The fine... | 09/22/2009 |
| 7570853 | Environmentally robust liquid crystal polymer coated optical fiber cable and its use in hermetic packaging The invention relates to high-strength, abrasion-resistant optical fiber cable having a supplemental layer consisting essentially of a liquid crystal polymer (LCP) to enhance the cable's tensile strength and hermetically seal it, and an outermost encasing layer to p... | 08/04/2009 |
| 7495773 | In situ determination of pixel mapping in interferometry Interferometric methods and apparatus by which the map between pixel positions and corresponding part locations are determined in situ. The part under test, which is assumed to be a rigid body, is precisely moved from a base position to at least one other position i... | 02/24/2009 |
| 7488088 | LED white light illuminator The invention provides an LED lighting device and method that produces high intensity, spatially uniform, white light in the near and far fields in a reduced package size that does not significantly heat the surrounding environment, wherein the white light is produc... | 02/10/2009 |
| 7488101 | High intensity LED array illuminator A high intensity mutli-wavelength illumination apparatus comprising an array of LEDs each of which has a predetermined spectral output that is emitted over a predetermined solid angle, an array of non-imaging concentrators the individual non-imaging concentrators of... | 02/10/2009 |
| 7488102 | LED illuminator for changing target properties An illuminator for irradiating targets to change their properties comprises at least one LED having spectral properties that are capable of interacting with a target to effect changes in its properties, a non-imaging concentrator for collecting radiation from the LE... | 02/10/2009 |
| 7446883 | Method and apparatus for tilt corrected lateral shear in a lateral shear plus rotational shear absolute flat test A Fizeau or other interferometer is used to provide high resolution, in-situ calibration of an external angle measurement system such as widely spaced high stability plane mirror interferometers (HSPMIs)). The calibrated measurement system then measures mechanical t... | 11/04/2008 |
| 7405833 | Method for calibration and removal of wavefront errors Apparatus and methods for generating an empirically determined mathematical model of wavefront error in an interferometer as a function of aperture misalignment and then applying the model to correct subsequent measurements. The methods are useful in Fizeau and othe... | 07/29/2008 |
| 7362653 | Underwater geopositioning methods and apparatus A method and apparatus for determining the geophysical position of an autonomous underwater system utilizing underwater acoustic modems that exchange broadband underwater acoustic signals. The method of the invention includes the steps of initiating an exchange of b... | 04/22/2008 |
| 7300175 | LED illuminator with retro reflector An illuminator with blue and red LEDs, a reflector upstream of the LEDs for capturing upstream light emitted out of the back surfaces of the LEDs and redirecting downstream as useful illumination, a band pass filter for conditioning the downstream light, a phosphor ... | 11/27/2007 |
| 7274468 | Optical beam shearing apparatus Beam shearing apparatus for introducing a lateral shear between the components of a light beam. The apparatus is an optical assembly having a polarizing interface and input and output facets and two reflecting surfaces one of which is arranged at an angle generally ... | 09/25/2007 |
| 7221461 | Method and apparatus for interferometric measurement of components with large aspect ratios Methods and apparatus that combine the techniques of reversal (or self-calibration) to provide a low spatial frequency measurement of a part shape, independent of systematic errors in the staging used to move the part and small aperture interferometry to provide hig... | 05/22/2007 |
| 7218403 | Scanning interferometer for aspheric surfaces and wavefronts Interferometric scanning method(s) and apparatus for measuring optics either having aspherical surfaces or that produce aspherical wavefronts. A test optic is aligned and moved with respect to a scanning axis relative to the origin of a known spherical wavefront tha... | 05/15/2007 |
| 7218574 | High range rate signaling An underwater communications method and apparatus is provided for demodulating communications signals while compensating for the effects of range rate, i.e., relative velocity between the nodes of the communication system. The method of the invention is implemented ... | 05/15/2007 |
| 7209730 | Telephone adapted for emergency dialing by touch A telephone has a key pad with ten number keys arranged to dial the digits from 0 to 9 inclusive, each of these number keys being marked with a visual indicator denoting the digit which the number key is arranged to dial. The 1 and 9 number keys are provided with ta... | 04/24/2007 |
| 7187623 | Underwater data communication and instrument release management system A data communications and underwater release management system for acquiring data from remote positively buoyant instrumentation packages moored underwater through the use of an intervening mechanical release coupled at one end to the buoyant instrumentation package... | 03/06/2007 |
| 7177029 | Stroboscopic interferometry with frequency domain analysis A computer-based stroboscopic interferometric microscope system for measuring the topography of a microscopic vibratory object includes an interferometric microscope equipped with a multiple-color (e.g., LED) or white-light source, a mechanical scanning apparatus fo... | 02/13/2007 |
| 7153015 | Led white light optical system The invention provides an LED lighting device and method that produces high intensity, spatially uniform, white light in the near and far fields in a reduced package size that does not significantly heat the surrounding environment, wherein the white light is produc... | 12/26/2006 |
| 7106359 | Subsurface video observation system A video observation system, useful for location of fish and other plant and animal life underwater, comprises a solid state imager having substantial sensitivity to infrared radiation; video signal generating means for generating a video signal corresponding to the ... | 09/12/2006 |
| 7064327 | Night vision apparatus A night vision apparatus comprises housing arrangement by which a user can place an eyepiece adjacent one eye, a solid state imager sensitive to infrared radiation, an infrared radiation generation means arranged to generate infrared radiation into the field of view... | 06/20/2006 |
| 7022065 | Endoscope test device The invention uses optics and precision mechanisms to quantitatively assess the performance of medical endoscopes. By viewing standardized optical targets under well-controlled conditions, the optical quality of endoscopes can be easily determined in much the same f... | 04/04/2006 |
| 7019843 | Method and apparatus for stage mirror mapping Interferometer systems are described that comprise optical assemblies to measure multiple degrees of freedom of a stage mirror and the topography of a reflecting surface of a stage mirror represented by datum lines and datum lines with corresponding local rotations ... | 03/28/2006 |
| 6977730 | Method and apparatus for alignment of a precision optical assembly Interferometric apparatus and methods for assembling and measuring highly precise optical assemblies such as triple corner cubes, and the like. The apparatus and methods use one or more interferometers that can simultaneously measure the shape, orientation, and dist... | 12/20/2005 |
| 6972849 | Scanning interferometer for aspheric surfaces and wavefronts Interferometric scanning method(s) and apparatus for measuring rotationally and non-rotationally symmetric test optics having spherical, mildly aspherical and multiple, mildly aspherical surfaces. At least a partial spherical wavefront is generated from a known orig... | 12/06/2005 |
| 6960072 | Hot sprue bushing A hot sprue bushing is provided for transporting plasticized material from an injection nozzle to a mold cavity while controlling the temperature of the plasticized material. The hot sprue bushing has an elongate body having an inlet end for receiving the plasticize... | 11/01/2005 |
| 6947148 | Interferometric apparatus and method with phase shift compensation Interferometric apparatus and method for measuring changes in distance to an object are compensated for the presence of undesirable phase shifts in measurement beams that result from their interacting with non-polarization preserving optical elements in at least one... | 09/20/2005 |
| 6943896 | Reconfigurable interferometer system Interferometric apparatus and methodology for precisely measuring the shape of rotationally and non-rotationally symmetric optical surfaces comprising an illumination source with two wavelengths, a transmission flat with a reference surface, a basic optical system f... | 09/13/2005 |
| 6941125 | Telephone adapted for emergency dialing by touch A telephone has a key pad with ten number keys arranged to dial the digits from 0 to 9 inclusive, each of these number keys being marked with a visual indicator denoting the digit which the number key is arranged to dial. The 1 and 9 number keys are provided with ta... | 09/06/2005 |
| 6918285 | Indirect contact container measurement Apparatus and methods for in-line testing of the internal pressure of flexible containers traveling along a production line at high speeds. The apparatus inspects semi-rigid plastic and thin-walled liquid filled containers by analyzing the output from a load cell th... | 07/19/2005 |
| 6917432 | Interferometers for measuring changes in optical beam direction Apparatus for measuring angular changes in the direction of travel of a light beam comprising at least one beam shearing assembly for separating, preferably orthogonally polarized, components of the light beam and introducing a lateral shear between them. An analyze... | 07/12/2005 |
| 6879402 | Scanning interferometer for aspheric surfaces and wavefronts Interferometric scanning method(s) and apparatus for measuring rotationally and non-rotationally symmetric test optics either having aspherical surfaces or that produce aspherical wavefronts. A spherical or partial spherical wavefront is generated from a known origi... | 04/12/2005 |
| 6876453 | Metrology system for precision 3D motion The instant invention is a method and apparatus for the measurement, with low uncertainty, of the six degrees of freedom of a first structure relative to a second structure. The apparatus is comprised of compact, rigid, thermally stable structures. The invention use... | 04/05/2005 |
| 6876452 | Apparatus and methods for high accuracy metrology and positioning of a body Apparatus and methodology by which the position, angular orientation, and departure of a moving body, such as a scanning head, can be measured with high accuracy with respect to a nominally straight line as the body translates along that line. Monolithic metrology a... | 04/05/2005 |
