Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7944607 | Method and device for high resolution acousto-optic programmable filtering in the infrared region The subject matter of the invention is a method of high-resolution acousto-optic programmable filtering in the infrared region of an incident optical wave. To that end it proposes the use of a birefringent acousto-optic crystal whereof the propagation speed of acous... | 05/17/2011 |
| 7894125 | Acousto-optic devices An acousto-optic module is provided, including a number of partially coupled optical resonators distributed within a dielectric medium and at least one acoustic transducer mounted on a surface of the dielectric medium for injecting an acoustic wave into the optical ... | 02/22/2011 |
| 7405859 | Method and apparatus for selecting wavelength A wavelength selecting apparatus includes a wavelength selecting filter and that a monitoring filter are similar acousto-optic tunable filters; a light source that outputs light having a specific wavelength to the monitoring filter; a light receiving unit that detec... | 07/29/2008 |
| 7405858 | Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal An AOTF control apparatus, which applies an RF signal to an AOTF to allow a selected light to pass through the AOTF, includes: a first calculating unit calculating a relationship between a frequency of the RF signal and a wavelength of the selected light based on a ... | 07/29/2008 |
| 7391008 | Method and system for wavelength-dependent imaging and detection using a hybrid filter Apparatus and methods for wavelength-dependent detection are provided. A detector includes a hybrid filter having unpatterned and patterned filter layers and at least one light-detecting sensor that detects light in first and second wavelength bands from the pattern... | 06/24/2008 |
| 7349094 | Laser radar apparatus having multiple output wavelengths A coherent laser radar (lidar) device is described. The device has a transmitter portion that comprises a single wavelength laser source, a conversion means (such as an electro-optic modulator) for producing a combined light beam that comprises at least two componen... | 03/25/2008 |
| 7343056 | Acoustooptic filter An acoustooptic filter 1 having an optical waveguide 3 disposed on an upper surface 2a of an acoustooptic substrate 2, an interdigital electrode 4 which excites a surface wave disposed on the acoustooptic substrate 2,... | 03/11/2008 |
| 7327896 | Testing apparatus and method for a spectral imaging system A hyperspectral imaging system is tested in the lab to allow a determination of its response to the emission from a simulated target, of certain wavelengths of radiation which the imaging system will be using during target determination. A broadband IR wavelength ge... | 02/05/2008 |
| 7326915 | Wavelength stabilization for broadband light sources A broadband light source, such as a light-emitting diode (LED), such as a superluminescent light-emitting diode (SLED), has its mean wavelength stabilized by using a filter to pass a characteristic of the output of the source, detecting the filtered output, and adju... | 02/05/2008 |
| 7324265 | Tuning a narrow band filter for telecommunication applications with an acoustic optical tunable filter An optical tunable filter that includes an tunable acousto-opto deflector (AOD) for deflecting a broad band beam to an expander for projecting the broad band beam to a set of grating for generated a tuned output beam corresponding to a deflection from the AOD and a ... | 01/29/2008 |
| 7321425 | Sensor and methods for measuring select components in sheetmaking systems A sensor for measuring at least selected component in a composition can include: (a) a broadband light source, (b) an acousto-optic tunable filter (AOTF), (c) means for generating a beam of light from the light source and directing the beam of light at the AOTF wher... | 01/22/2008 |
| 7295716 | Method and apparatus for diffusion based image relighting A method for image relighting is presented which receives an input image having at least one spurious edge directly resulting from a first illumination present when the input image was acquired, performs anisotropic diffusion on the input image to form a diffusion i... | 11/13/2007 |
| 7293450 | Oil quality sensor structure for permanent applications An oil quality sensor system comprise an acoustic wave viscosity and an etch rate sensor. The etch rate sensor system includes a piezoelectric substrate and one or more sensing layers configured upon the piezoelectric substrate. A layer of gold is generally configur... | 11/13/2007 |
| 7295153 | Acousto-radio frequency modulator and applications therefore An acousto-radio frequency modulator and an apparatus employing the same are disclosed. The acousto-radio frequency modulator includes a radiowave waveguide including a first end defining an input and a second end defining an output; an acousto-radio material positi... | 11/13/2007 |
| 7283750 | System and method for setting a tunable filter in an optical network A method and a system for setting a tunable filter in an optical network are provided. In one embodiment, a method for setting a tunable filter in an optical network includes rejecting a reference wavelength using a fixed filter from an input optical signal to gener... | 10/16/2007 |
| 7269393 | Mobile radio device In a portable radio device in which both an antenna for cell phone and an antenna for receiving GPS data are installed, an object of the present invention is to decrease influence of the antennas on one another with respect to deterioration of their radio performanc... | 09/11/2007 |
| 7233029 | Optical functional film, method of forming the same, and spatial light modulator, spatial light modulator array, image forming device and flat panel display using the same An optical functional film comprises a multilayer film formed by stacking a plurality of films. The plurality of films are formed by a same material and refractive indices of adjacent films are different. ... | 06/19/2007 |
| 7228112 | Mobile radio device In a portable radio device in which both an antenna for cell phone and an antenna for receiving GPS data are installed, an object of the present invention is to decrease influence of the antennas on one another with respect to deterioration of their radio performanc... | 06/05/2007 |
| 7206120 | Dynamic beam splitter outputting a selectable number of beams A dynamic beam splitter including a beam deflector having a plurality of operative regions, the beam deflector being operative to receive a laser beam at a first one of the plurality of operative regions, the laser beam passing through the beam deflector, and to sel... | 04/17/2007 |
| 7167230 | Liquid crystal variable wavelength filter unit, and driving method thereof A liquid crystal variable wavelength filter unit and its driving method applicable for a Wavelength Division Multiplexing (WDM) communication system and an optical network using an optical fiber. The liquid crystal variable wavelength filter unit (130) includ... | 01/23/2007 |
| 7154928 | Laser output beam wavefront splitter for bandwidth spectrum control Apparatus/method providing bandwidth control in narrow band short pulse duration gas discharge laser output light pulse beam producing systems, producing a beam comprising pulses at selected pulse repetition races, e.g., comprising a dispersive bandwidth selection o... | 12/26/2006 |
| 7102809 | Acoustic-optic devices utilizing tellurium crystals Acoustic-optic devices which use a crystal of tellurium into which is launched acoustic shear waves by a lithium niobate transducer in accordance with an input RF signal. Tellurium used in the devices exhibits a figure of merit in the range of around 5,000 to 10,000... | 09/05/2006 |
| 7088758 | Relax gas discharge laser lithography light source An apparatus and method are disclosed for operating a narrow band short pulse duration gas discharge laser output light pulse beam producing system, producing a beam comprising laser output light pulses at a selected pulse repetition rate, which may comprise: a disp... | 08/08/2006 |
| 7075633 | Method and system for measuring the imaging quality of an optical imaging system An object pattern is imaged by an imaging system onto the image plane of the imaging system at a location where a reference pattern suited to the object pattern is situated in order to measure the imaging fidelity of an optical imaging system, for example, an eyegla... | 07/11/2006 |
| 7061454 | Light emitting diode device An LED device comprises a white LED device and a red LED device. The white LED device has a substrate, a blue LED mounted on the substrate for emitting blue light, a transparent resin covering the blue LED and including phosphor particles. The phosphor particle has ... | 06/13/2006 |
| 7057799 | Tuning a narrow band filter for telecommunication applications with an acoustic optical tunable filter An optical tunable filter that includes a thin-film filter for band-passing at least two bands of wavelengths. The tunable filter further includes a tunable band-passing device tunable over the at least two bands for tuning to a tunable pass-band spectrally overlapp... | 06/06/2006 |
| 7035484 | Tunable optical filter A tunable optical filter is provided that includes an array of independently tunable filter elements. Each of the elements is located along a different optical path that extends between an input and an output port. Optical assemblies for receiving an incident optica... | 04/25/2006 |
| 6965620 | Erbium-doped phosphate-glass tunable single-mode fiber laser using a tunable fabry-perot filter A short laser cavity (up to 30 cm in length) comprising a free-space tunable MEMS Fabry-Perot filter, a collimating lens and a section of erbium-doped phosphate gain fiber (2-25 cm) is formed between a pair of broadband reflectors. The cavity is optically pumped to ... | 11/15/2005 |
| 6947630 | Control method and control apparatus for variable wavelength optical filter The present invention has an object to provide a control method and a control apparatus for a variable wavelength optical filter, which can reliably and stably control drive conditions of the variable wavelength optical filter, independent of the number of wavelengt... | 09/20/2005 |
| 6930813 | Spatial filter source beam conditioning in ellipsometer and the like systems Disclosed is the application of spatial filters and beam energy homogenizing systems in ellipsometer and the like systems prior to a sample system. The purpose is to eliminate a radially outer annulus of a generally arbitrary intensity profile, so that electromagnet... | 08/16/2005 |
| 6909531 | Optical (de-)interleaver and method of (de-)interleaving optical signals The invention relates to an interleaver circuit (10, 10′) for interleaving optical signals, comprising a first and a second input port (12, 14), an output port (16), a first optical filter (18; 18′) that has a first filter function wi... | 06/21/2005 |
| 6904188 | Acousto-optic tunable filter having improved wave-damping capability This invention relates to an acousto-optical tunable filter generally of the kind described in U.S. Pat. No. 6,266,462. More specifically, the invention relates to a filter and its construction, the filter including a support, first and second mounts at spaced locat... | 06/07/2005 |
| 6898214 | Technique for monitoring SONET signal A technique for performance-monitoring of a standard SONET signal involves first converting the optical signal to an electrical signal, removing in the framing signal time slot the framing signal for leaving only the framing signal noise in such time slot, and separ... | 05/24/2005 |
| 6867919 | Optical arrangement and microscope An optical arrangement for directing illumination light to a sample and for directing the detection light proceeding from the sample to a detector has a spectrally selective influencing means in the beam path of the detection light, which influences the polarization... | 03/15/2005 |
| 6865013 | High-resolution optical microscope A direct-view optical microscope system is provided which uses high-energy light from a phenomenon known as non-resonant Raman scattering to illuminate a living biological specimen. One embodiment of the system combines two discrete light sources to form a combined ... | 03/08/2005 |
| 6850358 | Scanning microscope and optical element A scanning microscope that defines an illumination beam path and a detection beam path, having an objective that is arranged in both the illumination beam path and the detection beam path, is disclosed. The scanning microscope is characterized by an interchangeable ... | 02/01/2005 |
| 6839160 | Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium The invention relates to a method of activating an optical communication system comprising a plurality of optical amplifiers having an optical amplifier, between optical transmission lines in which wavelength-division multiplex optical signals are transmitted. The m... | 01/04/2005 |
| 6833854 | Method for high precision printing of patterns An aspect of the present invention includes a method to print pattern with improved edge acuity. In one embodiment a method for printing fine patterns comprising the actions of: providing an SLM and providing a pixel layout pattern with different categories of modul... | 12/21/2004 |
| 6822785 | Miniature, narrow band, non-collinear acoustic optical tunable filter for telecom applications This invention includes an Acousto-optical tuning device by employing the TeO2 in share mode, non-collinear and in high RF frequency (or large Bragg's deflection region), it is able to achieve the telecomm worthy tunable filter that provides high tuning speed, no-mo... | 11/23/2004 |
| 6819472 | Optical modulator and communications system including the optical modulator An optical modulator includes an optical waveguide, a modulating electrode, a conductive layer, an electric signal input section, and connector members. At least a portion of the optical waveguide is made of an electro-optic material. The modulating electrode includ... | 11/16/2004 |
