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| Number | Title | Issue Date |
| 8013998 | Method and arrangement for recognition of optical radiation The invention relates to a method and an arrangement (10) for detecting the penetration of optical radiation (12) in a sectional area (20) of a protective wall system (18) in which at least one receiver (22) is located. The receive... | 09/06/2011 |
| 7830519 | Method and device for analyte measurement A device for non-invasively measuring concentration of one or more analytes in a living subject or a biological sample, wherein the device includes several light sources, a system for controlling the timing and intensity of the light source outputs, a system for pas... | 11/09/2010 |
| 7422891 | Label-free high-throughput optical technique for detecting biomolecular interactions Methods and compositions are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also provides optical devices useful as narrow band filters. ... | 09/09/2008 |
| 7400406 | Microchip measurement device A microchip analysis device in which the effect of changes in the quantity of light of a discharge lamp of the short arc type can be reduced and measurement results with high reliability can be obtained is achieved in microchip measurement device which has a light s... | 07/15/2008 |
| 7368694 | Device for measuring light absorption characteristics of a biological tissue sample A device includes an element (7) for illuminating the sample (1), alternately emitting first and second radiation beams; device (9) for receiving and analyzing radiation derived from the sample (1) which converts the output radiation into... | 05/06/2008 |
| 7369243 | Optical measuring apparatus and optical measuring method An optical measuring apparatus comprises: an illuminating section that illuminates a first object with a first light; a light changing section that changes an intensity of the first light illuminating the first object; a light receiving device that receives a second... | 05/06/2008 |
| 7358476 | Sensing photons from objects in channels A fluidic structure includes a channel and along the channel is a series of sensing components to obtain information about objects traveling within the channel, such as droplets or other objects carried by fluid. At least one sensing component includes a set of cell... | 04/15/2008 |
| 7319522 | Systems and methods for in situ spectroscopic measurements A circularizated semiconductor laser diode (CSLD), such as for example a vertical cavity surface emitting laser (VCSEL) may be used for optical measurements. The CSLD may be used in a cell density probe to perform cell density determination and/or turbidity determin... | 01/15/2008 |
| 7291824 | Photosensing throughout energy range and in subranges An integrated circuit (IC) includes a photosensor array, some cells of which are reference cells that photosense throughout an application's energy range, while other cells of which are subrange cells that photosense within respective subranges. For example, the sub... | 11/06/2007 |
| 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 |
| 7268874 | Method of measuring properties of dispersed particles in a container and corresponding apparatus A method of measuring properties of particles immersed in a body (B), comprising the performing of a series of instantaneous acquisitions by illumination of the body with a temporally coherent light beam (152) of predetermined width D and predetermined wavele... | 09/11/2007 |
| 7262856 | Microstructured optical device for remote chemical sensing A microstructure-based chemical sensor that can be interrogated by a remote observer. The device acts as an electromagnetic wave filter in the optical region of the spectrum, filtering one or more wavelength bands where the band spectral notch location shifts in res... | 08/28/2007 |
| 7236248 | Optical phytoplankton discriminator An apparatus and method for analyzing liquid samples employs first and second bidirectional ports that permit liquids to be introduced to first and second liquid waveguide capillary cells at the same time. The direction of liquid flow through the apparatus and roles... | 06/26/2007 |
| 7220387 | Disposable sensor for use in measuring an analyte in a gaseous sample The present invention is a disposable sensor for use with a device that quantifies analytes in a gaseous sample. It comprises (i) a sensing element, (ii) a means for interfacing the disposable sensor with a gas analysis device, and (iii) a housing. When used with a ... | 05/22/2007 |
| 7201221 | Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 04/10/2007 |
| 7180594 | Method and apparatus for verifying proper operation of a photometric device, such as a cell density probe An in-situ technique is provided for automatically verifying proper operation of a photometric device, such as a cell density probe (CDP). The CDP has a first detector and a second detector. The first detector senses light that is transmitted from a light source of ... | 02/20/2007 |
| 7173706 | Apparatus and method for gas sensing An apparatus for remote gas sensing comprising a light source, a photodetector, a gas cell containing gas or a zone through which the gas passes and through which light from the light source passes and is reflected back to the photodetector, wherein the light source... | 02/06/2007 |
| 7142307 | Method and apparatus for optical interactance and transmittance measurements Apparatus and a method are disclosed for the simultaneous or rapid sequential use of two or more different separations between the source and detector of the measuring apparatus to obtain spectral measurement data in diffuse transmission or “interaction” modes o... | 11/28/2006 |
| 7102753 | Optical system for measurement In an optical system, first and second optical paths intersected with each other on a sample holder are set, wherein the first and second optical paths are formed so that light from a light source is projected to be converged on the intersection from an incoming sid... | 09/05/2006 |
| 7091487 | Non-dispersive ir measurement of gases using an optical filter A method and apparatus for determining the safety of a gas mixture containing flammable components such as methane together with ethane or other hydrocarbon, together with a diluent gas. The method includes the filtered infrared spectroscopy of the gas mixture in a ... | 08/15/2006 |
| 7064833 | Double path microdrop optical biometric system A double path microdrop optical biometric system comprises a micro container, a corner cube array, a collimator, a beam splitting device, a light source selector, a detector and a signal comparator unit. It utilizes the beam to penetrate a specimen with specific col... | 06/20/2006 |
| 7049824 | Differential particulate detection system for electronic devices A method, apparatus and program product for differential particle detection in electronic devices is provided. A first particulate sensor is positioned in proximity to an air intake of the electronic device. A second particulate sensor is positioned in proximity to ... | 05/23/2006 |
| 7050167 | Nephelometric detection unit with optical in-process control The present invention relates to the field of the use of automated measurement systems in analysis and in in-vitro diagnosis. In particular, the apparatus described enables automatic quality control and validation of characteristic process engineering parameters, in... | 05/23/2006 |
| 7040390 | Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 05/09/2006 |
| 7037724 | Method for storing and transporting crude oil Disclosed is a method for transporting blended crude oils comprising the steps of; (a) admixing a first crude oil with a second, different crude oil to form a crude oil admixture; (b) determining a first value representing the content of unprecipitated asphaltenes i... | 05/02/2006 |
| 7002391 | Selectable input attenuation Mobile terminal design is made simpler by providing an attenuation circuit having a selectable amount of attenuation within an integrated circuit. In one embodiment, a plurality of input pins are provided so as to connect to different points of the attenuation circu... | 02/21/2006 |
| 6975403 | ON-LINE METHOD AND EQUIPMENT FOR DETECTING, DETERMINING THE EVOLUTION AND QUANTIFYING A MICROBIAL BIOMASS AND OTHER SUBSTANCES THAT ABSORB LIGHT ALONG THE SPECTRUM DURING THE DEVELOPMENT OF BIOTECHNOLOGICAL PROCESSES The invention relates to a method comprising passing a first variable intensity light beam across a first test-tube (3) wherein the substance (1) to be controlled is circulating. Subsequently, a second fixed-intensity light beam is passed across a seco... | 12/13/2005 |
| 6936476 | Point of care diagnostic systems Systems and methods for medical diagnosis or risk assessment for a patient are provided. These systems and methods are designed to be employed at the point of care, such as in emergency rooms and operating rooms, or in any situation in which a rapid and accurate res... | 08/30/2005 |
| 6927864 | Method and system for determining dimensions of optically recognizable features A method and system for determining dimensions of optically recognizable features provides a low-cost and efficient high speed/high resolution measurement system for determining surface feature dimensions. Multiple imaging subsystems are arranged at predetermined di... | 08/09/2005 |
| 6922247 | Automatic optical measurement method In an automatic optical measurement method according to the invention, with a movable reflection plate 6 moved to place under an optical axis, light projected from a light projecting portion 3a is received by a light receiving portion 3 | 07/26/2005 |
| 6914680 | Optical system for measurement of optical constant An optical system for determining an optical constant by measuring the absolute reflectance and the absolute transmittance of a substance by using an incoming side beam switching mirror for selectively switching the direction of a light from a light source to first ... | 07/05/2005 |
| 6903822 | Apparatus for and method of measuring fuel density in an engine A measuring light of specific wavelength, which is selectively absorbed by fuel, is transmitted through a measuring passage in a combustion chamber of an engine, to be received by a light receiving element, and intensity of the measuring light of specific wavelength... | 06/07/2005 |
| 6879010 | Ceramic biomolecule imaging chip A ceramic biomolecule imaging chip includes a ceramic body having a planar imaging surface. The planar imaging surface is highly polished within tolerances of plus or minus 1 microinch. This ceramic chip is compatible with fluorescence laser scanning devices. It is ... | 04/12/2005 |
| 6768549 | Ampoule analyzer apparatus An analyzer apparatus includes a receptacle for an ampoule, an analysis system, an incubator, and a master control. The analysis system includes a light source and a photodetector positioned such that the light from the light source passes through the receptacle. Th... | 07/27/2004 |
| 6754600 | Device for evaluating internal quality of vegetable or fruit, method for warm-up operation of the device, and method for measuring internal quality An extremely convenient apparatus for evaluating the inner quality of vegetables and fruits which is small and inexpensive, can be introduced easily even by small-scaled enterprisers, in which an installation place can be changed easily, and safety and promptness of... | 06/22/2004 |
| 6734974 | Terahertz imaging with dynamic aperture A method of improving spatial resolution of a pump-probe terahertz (THz) imaging system for producing an image of an object. The method provides a chopped optical gating beam focused on a semiconductive layer that is either part of the object or a discrete layer pla... | 05/11/2004 |
| 6704110 | Method and apparatus for measuring internal information of scattering medium Pulsed light of predetermined wavelengths or modulated light of predetermined frequencies from a light source 5 is injected into a scattering medium 1 as a measured object and output light therefrom is detected by a photodetector 7. Further, measuring met... | 03/09/2004 |
| 6704107 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light A method and apparatus for detection of a particular material, such as photoresist material, on a sample surface. A narrow beam of light is projected onto the sample surface and the fluoresced and/or reflected light intensity at a particular wavelength ba... | 03/09/2004 |
| 6678049 | Optical detection system and method An optical imaging system for detecting light from an excitation light source through a scattering medium. The system includes a photo detector for receiving light from the scattering medium, an amplification circuit coupled from the photo-detector, an el... | 01/13/2004 |
| 6613441 | Boron- and/or aluminum-containing mixtures, hybrid materials, and coatings The present invention relates to mixtures prepared from (A) at least one linear, branched, or cyclic monomeric organosilane having at least two silicon atoms with hydrolyzable and/or condensation-crosslinking groups in which the silicon atoms are bonded to... | 09/02/2003 |
