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| Number | Title | Issue Date |
| 8148706 | Pinned-contact oscillating liquid lens and imaging system An oscillating liquid lens and imaging system and method employing the lens are provided. The liquid lens includes a substrate with a channel opening extending therethrough between a first and second surface. A liquid drop is disposed within the channel and is sized... | 04/03/2012 |
| 8084758 | Light sensor for detecting brightness A light sensor for detecting brightness of an outside of a vehicle includes: a light shielding element on a windshield; a light guiding element in a through hole of the light shielding element; and a light receiving element that receives light from the outside of th... | 12/27/2011 |
| 8067760 | Impulse analysis for flow sensor-based fluid control system A fluid flow control system using flow rate changes to extract additional information from an in-line flow sensor. The system provides the ability to determine a position of a movable flow sensor element of a flow sensor by illuminating a photosensitive pixel array ... | 11/29/2011 |
| 8058635 | Apparatus and method for the continuous optical determination of the fill level of liquids in liquid tanks of vehicles or airplanes The invention relates to a device and a method for the continuous optical determination of the fill level of liquids in a liquid tank of a vehicle or airplane which have a refractive index of at least 1.33 at room temperature and at a wavelength of 589 nm. The devic... | 11/15/2011 |
| 8030633 | Methods and systems for monitoring a solid-liquid interface Methods and systems are provided for monitoring a solid-liquid interface, including providing a vessel configured to contain an at least partially melted material; detecting radiation reflected from a surface of a liquid portion of the at least partially melted mate... | 10/04/2011 |
| 7977660 | Article, device, and method An article includes a substrate assembly for use in a detector system. The substrate assembly includes a substrate; a sample reception structure secured to the substrate; a test window extending through the substrate; and a fluid channel defined by a surface of the ... | 07/12/2011 |
| 7943916 | Method for controlling a blood processing system by observing a separation region and an extraction port The invention relates generally to methods of monitoring and controlling the processing of blood and blood samples, particularly the separation of blood and blood samples into its components with a two-dimensional optical measurement and control device. The method m... | 05/17/2011 |
| 7935948 | Method and apparatus for monitoring and control of suck back level in a photoresist dispense system An apparatus for monitoring a position of a semiconductor process fluid interface in a dispense nozzle includes an extended optical source adapted to provide an optical beam propagating along an optical path. The optical beam is characterized by a path width measure... | 05/03/2011 |
| 7906771 | Predictive method for controlling a blood processing system The invention relates generally to methods of monitoring and controlling the processing of blood and blood samples, particularly the separation of blood and blood samples into its components. In one aspect, the invention relates to optical methods for measuring two-... | 03/15/2011 |
| 7902534 | Cavity ring down system having a common input/output port A system having a multiple-mirror ring-down cavity with one mirror where light may be input into the cavity and light from the cavity may be detected. A valve may permit light to enter or not to enter the cavity. An amplifier may be connected to a detector for detec... | 03/08/2011 |
| 7847276 | Impulse analysis for flow sensor-based fluid control system A fluid flow control system using flow rates to extract additional information from an in-line flow sensor. The system provides the ability to determine a position of a movable flow sensor element of a flow sensor by illuminating a photosensitive pixel array with a ... | 12/07/2010 |
| 7804080 | Moisture removal apparatus and method of image read out apparatus A moisture removal apparatus and method of an image read-out apparatus, in which the image read-out apparatus includes a contact image sensor (CIS) provided with a document glass on which a document is put on an upper portion thereof and a read-out unit to read out ... | 09/28/2010 |
| 7772578 | Diagnostic test device including photodetector and tether A diagnostic test device comprising means for sampling a liquid biological sample, means for reacting the sample with at least one reagent to provide one or more visible indicia and an optical detector for detecting the presence of said one or more indicia, the devi... | 08/10/2010 |
| 7767991 | Method of operating an infrared drip sensor in an enteral pump system to reduce false alarm conditions The present invention provides a method of operating an infrared drip sensor in an enteral pump system to reduce false alarm conditions. The method consists of the following steps: optically coupling a infrared beam emitter with an infrared beam detector along an in... | 08/03/2010 |
| 7763877 | Drop detector system The invention provides an optical drop detection system (10), for a low-flow metering device of the type having a drop generator 12, 24, (19), the system comprising at least one optical transmitter (26) which produces a plurality of light... | 07/27/2010 |
| 7750331 | Method and device for imaging an interior of a turbid medium using an amplification factor selected from an estimate of expected electrical signal strength The invention relates to a method and device (1) for imaging an interior of a turbid medium (55). A turbid medium (55) inside a measurement volume (15) is irradiated from a plurality of source positions (25a) with light from... | 07/06/2010 |
| 7718985 | Advanced droplet and plasma targeting system Methods, systems, apparatus, devices for tracking, controlling and providing feedback on droplets used in EUV source technology. The method and system track and correct positions of droplet targets and generated plasma including generating the droplet target or plas... | 05/18/2010 |
| 7709821 | Flow cytometer acquisition and detection system A flow cytometer has a flow cell through which a sample flows and at least one laser emitting an excitation beam for illuminating a corresponding interrogation region in the flow cell. Scattered and fluorescence light from each interrogation region is collected by o... | 05/04/2010 |
| 7705338 | Raindrop detection apparatus with case and lenses integrally configured and circuit board supported by case A raindrop detection apparatus includes a light emitting unit for emitting light to an inner side of a windshield, a light receiving unit for receiving the light reflected by an outer surface of the windshield, a first lens unit which is arranged between the windshi... | 04/27/2010 |
| 7696501 | Apparatus for monitoring engine exhaust An apparatus for monitoring the exhaust of an engine includes a flow-through chamber for receiving exhaust, a source of electromagnetic radiation and a detector. The source provides electromagnetic radiation in a range comprising the infrared, visible and ultraviole... | 04/13/2010 |
| 7683357 | Dynamic laser power control for gas species monitoring A gas species monitoring system includes a laser, a fiber amplifier configured to receive an input signal from the laser and generate an amplified signal, and a variable optical attenuation system configured to receive at least a portion of the amplified signal and ... | 03/23/2010 |
| 7649189 | CRDS mirror for normal incidence fiber optic coupling A cavity ring-down sensor having an optical path of mirrors and an interface proximate to a mirror with a normal incidence optical fiber coupling. The interface may be a block of transmissive materials having different indices of refraction for receiving a light bea... | 01/19/2010 |
| 7635854 | Method and apparatus for optical level sensing of agitated fluid surfaces A method and apparatus provide for non-contact optical measurement of the level of a fluid stored in a tank or container, the surface of the fluid being possibly agitated. The method processes numerically the digitized signal waveforms generated by a lidar apparatus... | 12/22/2009 |
| 7622729 | Diagnostic test device including photodetector for scanning detection region A diagnostic test device comprises means for sampling a liquid biological sample. Means is provided for reacting the sample with a reagent to provide one or more visible indicia. A photodetector for scans a detection region to produce a pulsed output indicative of t... | 11/24/2009 |
| 7619235 | Optical sampling arrangements An infra-red liquid sampling cell has a sapphire base plate with a part-spherical concave recess. A sapphire upper plate is hinged relative to the base plate larger radius of curvature than the recess. When the upper plate is lowered into contact with the base plate... | 11/17/2009 |
| 7612356 | Raindrop sensor for detecting rain on a vehicle windshield including an image sensor and processor for performing a frequency analysis of an image and wiper controller having the same A raindrop sensor includes an image sensor and an image processor. The image sensor captures an image of a windshield from inside a vehicle. The image processor performs a frequency analysis of the image to detect a high-frequency component in the image. When the hi... | 11/03/2009 |
| 7605388 | Monitoring and control system for blood processing The invention relates to an optical cell for a separation chamber of a density centrifuge blood processing system for separating fluid components comprising an extraction chamber having a first external optical surface for transmitting at least a portion of an incid... | 10/20/2009 |
| 7595497 | Fuel contaminant light sensor A fuel contaminant sensor is provided. The fuel containment sensor includes a fluid reservoir having an inlet and an outlet. A light source for projecting a light beam through the fluid reservoir is disposed on the fluid reservoir. A light beam detector for receivin... | 09/29/2009 |
| 7547904 | Sensing photon energies emanating from channels or moving objects Photons emanating from a channel in a fluidic structure or from moving objects are sensed using a photosensor array in an integrated circuit. The array includes subrange cells that photosense within respective subranges of a photon energy range. For example, the sub... | 06/16/2009 |
| 7544961 | Sample collection and testing system including a rotatable shaft with a helical guiding member to translate longitudinal motion of a slidable shaft into rotational motion Methods and apparatus for evaluating the quality of a sample of a product, an ingredient, an environment or process by measuring multiple parameters thereof, including light emitted from a reacting sample containing ATP, ADP, alkaline phosphatase or other parameters... | 06/09/2009 |
| 7507982 | Rain sensor with ambient light compensation A signal processing circuit provided with an outside-light component reducing circuit capable of reducing an outside light component in the frequency separation method is provided. This is a signal detecting circuit which irradiates a pulse light from an LED to a wi... | 03/24/2009 |
| 7485888 | Single detector multicolor particle analyzer and method A multicolor particle analyzer and method is described. The particles each of which either naturally fluoresce or are tagged to fluoresce at distinctive wavelengths are caused to flow through an analyzing volume where fluorescence is excited by an impinging light be... | 02/03/2009 |
| 7482612 | Optical moisture sensor and method of making the same A soil moisture sensor uses a non-collimated light source and a photosensor, respectively, mounted at the foci of a transparent ellipsoidal plastic body. The dimensions of the body are such that emitted light rays are internally reflected toward the photosensor at t... | 01/27/2009 |
| 7468523 | Raindrop detection apparatus having lens unit larger than radius of reflected light A raindrop detection apparatus includes a light emitting unit for emitting light to an inner side of a windshield, a light receiving unit for receiving the light reflected by an outer surface of the windshield, a first lens unit which is arranged between the windshi... | 12/23/2008 |
| 7459713 | Integrated sensing system approach for handheld spectral measurements having a disposable sample handling apparatus An integrated spectral sensing engine featuring energy sources and detectors within a single package that includes sample interfacing optics and acquisition and processing electronics. The miniaturized sensor is optimized for specific laboratory and field-based meas... | 12/02/2008 |
| 7440144 | Image input/output apparatus An image input/output apparatus having a scanner unit disposed at an upper stage of an apparatus body and a liquid jet recording unit installed at a lower stage of the apparatus body includes a window which light passes through between the scanner unit and the liqui... | 10/21/2008 |
| 7429745 | Sensor device for detecting wetting on a windshield based on received reference light A sensor device for detecting wetting on a windshield includes a light emission element for emitting a light, a first light reception element for receiving the light in a first light path that includes reflective redirection by the windshield, and a second light rec... | 09/30/2008 |
| 7422693 | Monitoring and control system for blood processing The invention relates generally to methods of monitoring and controlling the processing of blood and blood samples, particularly the separation of blood and blood samples into its components. In one aspect, the invention relates to optical methods, devices and devic... | 09/09/2008 |
| 7414255 | Drop counter The present invention relates to a Drop Counter for counting a succession of falling liquid drops. The Drop Counter includes a light emitting diode for providing a light beam directed to a falling liquid drop. A photo diode sensor is positioned in side-by-side relat... | 08/19/2008 |
| 7402828 | Position detector that prevents erroneous detection of a scale and liquid ejecting apparatus incorporating the same A liquid ejecting head is operable to eject liquid toward a target medium. A light emitter is operable to emit light. A light receiver is adapted to receive the light emitted from the light emitter, and operable to output a signal in accordance with an amount of the... | 07/22/2008 |
