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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7705287 | Broadband light source unit that produces a supercontinuum lightwave, and optical analyzer A broadband light source unit that produces a supercontinuum lightwave having a flat spectral form and has a light source that outputs a first source lightwave, which is a pulse lightwave having periodic pulses with a constant intensity, an intensity modulator that ... | 04/27/2010 |
| 7671325 | Biological Agent Signature Detector With an Optical Fiber Cladding Combined With a Bio-Indicator A biological agent detector for detecting predetermined biological agents. The biological agent detector includes an optical fiber, a cladding that clads a length of the optical fiber and a bioindicator disposed within the cladding. The biological agent detector als... | 03/02/2010 |
| 7589312 | Physical quantity measuring system with fiber Bragg grating sensor and arrayed waveguide grating A physical quantity measuring system includes an optical fiber in which plural fiber Bragg gratings having different reflection wavelength changing bands are formed along the optical fiber in a longitudinal direction, a light source which outputs a broadband light i... | 09/15/2009 |
| 7541573 | Optical sensors for sensing the refractive index of fluid samples An optical sensor comprises a sensing element comprising a waveguide grating with a response that varies with an effective modal index experienced by light propagating in the grating and a sample window for receiving fluid which affects the effective modal index to ... | 06/02/2009 |
| 7439485 | Multimode optical transmission apparatus and multimode optical transmission system A multimode optical transmission system reduces a deterioration of a noise characteristic and a distortion characteristic caused by an interference between modes. In an optical transmitter, a signal output section outputs a predetermined signal based on an inputted ... | 10/21/2008 |
| 7437028 | Multi-layered sensor A multi-layer sensor (10) and a use for the sensor (10) are described. This sensor is multi-layered in construction. 5 An optical wave guide (18) is passed through the sensor (10) such that in the event of an external application o... | 10/14/2008 |
| 7426322 | Plasmon photocatalysis Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ... | 09/16/2008 |
| 7411176 | Method and apparatus for examining corrosion of tendon embedded in concrete The present invention measures the strain caused by the shrink and expansion from the corrosion and examines the corrosion of a tendon for a long term with high sensitivity to improve the accuracy of the examination. ... | 08/12/2008 |
| 7406217 | Plasmon photocatalysis Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ... | 07/29/2008 |
| 7385177 | Light guide rotation rate detector with coupled optical resonators A method and device are presented for use in determining a rate of rotation of an object. The device comprises a light guide comprising an arrangement of a plurality of coupled optical resonators arranged along a curvilinear optical path. This allows for determining... | 06/10/2008 |
| 7379631 | Multi-core distributed temperature sensing fiber A multi-core distributed temperature sensing optical fiber is described, wherein the arrangement and construction of at least two cores provides a spectral attenuation corrected (e.g., corrected for hydrogen and/or stress on the fiber) temperature measurement. ... | 05/27/2008 |
| 7373056 | High-voltage component with optical fiber and method for producing it A high-voltage component, having a first end and a second end, whereby the first end is on a high-voltage potential with respect to the second end. An insulating part, is arranged between the first end and the second end, and an optical fiber is integrated in the hi... | 05/13/2008 |
| 7369242 | Cavity ring-down spectrometer for semiconductor processing An apparatus is provided for measuring a gas within a semiconductor thin film process. The apparatus includes an optical resonator disposed within an environment of the thin-film process, a tunable laser that excites the optical resonator at a characteristic frequen... | 05/06/2008 |
| 7369716 | High pressure and high temperature acoustic sensor An acoustic sensor, such as a hydrophone, is deployable in a fluidic media having high temperature, high pressure, and/or potentially caustic chemicals. The hydrophone includes a housing filled with an internal fluid and containing a sensing mandrel. The sensing man... | 05/06/2008 |
| 7366055 | Ocean bottom seismic sensing system Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments, networks of optical ocean bottom seismic (OBS) stations are provided, in w... | 04/29/2008 |
| 7366366 | FBG sensing system To provide a low-cost FBG sensing device having a high reliability, suitable for high-speed measurement such as vibration measurement, able to perform a remote measurement, and simple data processing, the FBG sensing device comprising one or more light sources each ... | 04/29/2008 |
| 7359585 | Plasmon photocatalysis Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ... | 04/15/2008 |
| 7356238 | Optical fiber measuring module having base member holding optical fiber cable An optical fiber measuring module is provided with an optical fiber cable (2) including an optical fiber core (2a), a cladding (2b) and a covering layer (2c), a base member (3) for holding the optical fiber cab... | 04/08/2008 |
| 7349591 | Pressure compensated optical accelerometer, optical inclinometer and seismic sensor system An optical accelerometer includes means for changing the length of at least one optical fiber in response to acceleration functionally coupled to the at least one optical fiber. The fiber and the means for changing length are enclosed in a pressure compensated housi... | 03/25/2008 |
| 7340114 | Optical waveguide device and optical modulator An optical waveguide device includes a substrate having an electro-optical effect, an optical waveguide formed on the substrate, an electrode provided for the optical waveguide, a monitoring optical waveguide for guiding part of light outputted from the optical wave... | 03/04/2008 |
| 7334485 | System, method and computer-readable medium for locating physical phenomena A method, system and computer product for detecting the location of a deformation of a structure includes baselining a defined energy transmitting characteristic for each of the plurality of laterally adjacent conductors attached to the structure. Each of the plural... | 02/26/2008 |
| 7326917 | Wear monitor for turbo-machine A wear determination device for determining vibration in a turbine engine component to reduce wear in a turbine engine. The wear determination device may be capable of measuring vibrations in a turbine engine component. The vibration measurement may be used to deter... | 02/05/2008 |
| 7327909 | Method for tuning a fiber optic component A tunable fiber optic component providing environmental isolation, thermal tuning, and mechanical tuning and a method of tuning a fiber optic component using application of substantially simultaneous varying of temperature and mechanical strain is disclosed. A metho... | 02/05/2008 |
| 7315667 | Propagating light to be sensed Light to be sensed is spreaded across an entry surface of a transmission structure with a laterally varying energy transmission function. For example, the light could be output from a stimulus-wavelength converter, provided through an optical fiber, or it could come... | 01/01/2008 |
| 7312435 | Determination of a physical state of an optical device The present invention relates to a determination of a physical state of an optical device by measuring a response signal. At least two subsequent measurements are executed. Therefore, a first optical signal is transmitted to the optical device, wherein a firs... | 12/25/2007 |
| 7310623 | Games using pair-wise entanglements A quantum approach to the economically significant n-player public goods or similar n-player game requires only two-particle entanglement and is thus much easier to implement than games requiring n-particle entanglements. Two-particle entanglements are sufficient to... | 12/18/2007 |
| 7295723 | Plasmon photocatalysis Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ... | 11/13/2007 |
| 7283245 | Handheld device with a disposable element for chemical analysis of multiple analytes A portable system and method for measuring the concentration of multiple chemical or biological substances where an onsite analysis of such substances is needed. The new and original handheld sensor system uses a disposable optical test element and a spectroscopic d... | 10/16/2007 |
| 7281428 | Diagnostic system for monitoring structural health conditions Interrogation systems for monitoring structural health conditions. An interrogation system includes at least one wave generator for generating a wave signal and optical fiber sensors applied to a structure. The interrogation system also includes at least one electro... | 10/16/2007 |
| 7280220 | Physical quantity measuring method and device therefor Light emitted by a light source is inputted to a sensor to generate an optical path difference on input light according to a physical parameter to be measured, light outputted with an optical path difference generated in response to the input is inputted to another ... | 10/09/2007 |
| 7274870 | Apparatus and method for simultaneous channel and optical signal-to-noise ratio monitoring An apparatus and method for simultaneous channel and optical signal-to-noise ratio (OSNR) monitoring is adapted to function in multi-channel wavelength-division-multiplexed (WDM) optical communication systems. A polarization controller is sequentially adjusted to pe... | 09/25/2007 |
| 7262848 | Fiber polarimeter, the use thereof, as well as polarimetric method A fiber polarimeter has one or more oblique fiber Bragg gratings disposed one behind the other in a fiber. The fiber Bragg gratings couple out portions of a light wave input to the fiber depending on its polarization. For more than one fiber Bragg grating a wave pla... | 08/28/2007 |
| 7259856 | Method for the precise measurement of the wavelength of light Improved cavity ring down spectroscopy is provided by binning decay time vs. wavelength data into wavelength bins defined by discontinuities in a wavelength monitor signal. Average decay times and average wavelengths are computed for each bin. The optical loss of a ... | 08/21/2007 |
| 7245791 | Compaction monitoring system Methods for determining a preferred application of a plurality of transducers or sensors to a structure are disclosed for monitoring and imaging deformation of the structure as it is subjected to various forces. ... | 07/17/2007 |
| 7243543 | Highly sensitive accelerometer Accelerometers for determining acceleration and methods of fabricating an accelerometer are disclosed. In one embodiment, the accelerometer includes a frame, a mass movably suspended on the frame, a fixed element having a rounded surface that does not move with resp... | 07/17/2007 |
| 7242774 | Quantum cryptography based on phase entangled photons A quantum cryptography system [100] may include a transmitter [110] configured to generate entangled first and second photons, modulate and detect the first photon, and transmit detection information and the second photon. The system [100] may a... | 07/10/2007 |
| 7228017 | Fiber optic sensing device and method of making and operating the same A chemical sensing device comprises a fiber core and a fiber cladding. The fiber core comprises an index-modulated grating region having an apodized profile configured for increasing shedding of light into the fiber cladding, and the fiber cladding of the chemical s... | 06/05/2007 |
| 7223962 | Digital optical signal transmission in a seismic sensor array The invention describes a sensor array with digital signals transmitted over an optical fiber for seismic exploration systems. The seismic system includes a transducer for providing digital optical data signals and an optical interrogator for collecting the digital ... | 05/29/2007 |
| 7211812 | Entangled photon pair generating apparatus An entangled photon pair generating apparatus has a first definite polarization photon pair generating apparatus for generating a first definite polarization photon pair beam according to an incident pump beam, a wave plate for rotating by 90 degrees a plane of pola... | 05/01/2007 |
| 7197931 | Sensors for monitoring structural health conditions Sensors and systems for monitoring structural health conditions. The present invention provides a device for monitoring structural health conditions including a dielectric substrate, a piezoelectric device for actuating and/or sensing Lamb waves, a molding layer dep... | 04/03/2007 |
