Class / Patent application number | Description | Number of patent applications / Date published |
250564000 | With circuit for evaluating a fluent material | 19 |
20080237503 | 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 receiving the light beam projected through the fluid reservoir is disposed opposite the light source. A controller is provided for activating the light source and for receiving an output of the light beam detector. An interruption of the light beam inhibits the light beam detector from receiving the light beam. | 10-02-2008 |
20130032736 | Systems and Methods for Monitoring Oil/Gas Separation Processes - Disclosed are systems and methods for analyzing an oil/gas separation process. One disclosed system includes a flow path containing a fluid, a fluid separator coupled to the flow path and having an inlet for receiving the fluid and a discharge conduit for discharging the fluid after having undergone a separation process in the fluid separator, an optical computing device having an integrated computational element configured to optically interact with the fluid before the fluid enters the fluid separator and after the fluid exits the fluid separator and thereby generate optically interacted light, and at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the fluid. | 02-07-2013 |
20130056656 | OPTICAL MEASURING APPARATUS, FLOW CYTOMETER, AND OPTICAL MEASURING METHOD - Provided is an optical measuring apparatus including a light irradiating unit that irradiates a sample flowing through a flow path with light, a light detecting unit that detects optical information emitted from the sample due to light irradiation by the light irradiating unit, and a rate information adding unit that adds a predetermined display corresponding to a flow amount of the sample per unit time obtained from the optical information to a waveform data graph obtained from the optical information. | 03-07-2013 |
20130119281 | PHOTOELECTRIC DETECTOR WITH MOS GAS SENSOR - A dual sensor fire detector includes a smoke sensor and a gas sensor. A source of radiant energy emits a beam which is formed into first and second beams. One beam is directed into a smoke sensing chamber. The other is directed to a gas sensor. Outputs from the smoke sensor and the gas sensor are combined to make a fire determination. | 05-16-2013 |
20130161544 | GAS ANALYZING APPARATUS - A gas analyzing apparatus includes a probe for measuring a concentration of sample gas flowing in a pipe by an optical measurement system. Influence of a thermal lens effect phenomenon is suppressed so that measurement accuracy is improved. The apparatus includes a probe tube disposed to cross a flow path of the sample gas in the pipe to introduce the sample gas flowing in the pipe to a predetermined hollow measurement region. A light emission portion and a light receiving portion for project measurement light to the measurement region in the probe tube and receive the measurement light after passing through the sample gas in the measurement region. A purge gas feed tube disposed in the probe tube supplies purge gas to a region between the optical system members and the measurement region, with a gap to the inner wall surface of the probe tube. | 06-27-2013 |
20130207006 | Measuring Transducer for Detecting the Formation of Foam on a Liquid - A measuring transducer for detecting the formation of foam on a liquid, which is movably inserted into the liquid and the density of which is predetermined, or can be set, such that the measuring transducer floats on the surface of the liquid, wherein a device for determining the luminous flux incident on the top side of the measuring transducer is provided to detect the formation of foam on the liquid which, in many cases, is a process sequence property that is important for process optimization, and wherein an evaluation device of the measuring transducer is configured to output a signal for indicating the formation of the foam when the light flux determined undershoots a predefined threshold value. | 08-15-2013 |
20140061513 | Handheld Characteristic Analyzer and Methods of Using the Same - Disclosed is a portable handheld characteristic analyzer used to analyze chemical compositions in or near real-time. The analyzer may include a portable housing, at least one optical computing device arranged within the portable housing for monitoring a sample, the at least one optical computing device having at least one integrated computational element configured to optically interact with the sample and thereby generate optically interacted light, at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the sample, and a signal processor communicably coupled to the at least one detector for receiving the output signal, the signal processor being configured to determine the characteristic of the sample and provide a resulting output signal indicative of the characteristic of the sample. | 03-06-2014 |
20140231680 | METHOD AND APPARATUS FOR DETECTING CLOTS IN A LIQUID AND LABORATORY AUTOMATION SYSTEM - A method for detecting clots in a liquid is presented. The liquid is in a sample container. Light is irradiated having a first wavelength to the sample container by a first light source at a changeable vertical irradiating position (P | 08-21-2014 |
20140252250 | APPARATUS AND METHODS FOR THE CHARACTERIZATION OF THE DIELECTRIC RESPONSE OF FLUIDS - A method for characterizing the dielectric response of a fluid includes receiving the fluid into a portion of a flow line that is disposed proximate to a photonic bandgap (PBG) resonant cavity so that a dielectric permittivity of the fluid affects a frequency response of the resonant cavity. The method further includes providing electromagnetic waves to the resonant cavity and measuring a frequency response of the resonant cavity in the presence of the fluid in the flow line. The method further includes determining a property of a resonant mode of the resonant cavity using the frequency response and determining a property of the fluid using the property of the resonant mode. | 09-11-2014 |
20140284504 | Apparatus and Method for Platelet Monitoring and for Assessing the Quality of Platelets - Apparatus and methods for monitoring platelet quality are disclosed. A bag of platelet concentrate is oriented in a desired manner on a transparent surface that is illuminated from one side with a light source. A clamp applies pressure to a desired portion of the bag to temporarily manipulate a predetermined portion of the bag and therefore the fluid in the bag in a known and repeatable manner. A flow inducing member applies pressure to the bag to thereby cause a turbulent flow of the fluid from the bag through a flow path. A detector records optical characteristics of light diffracted by the flowing particles, which is analyzed by software to derive a score correlating to the quality of the platelets. Platelet swirl is scored as a measure of platelet quality where more resting, discoid platelets result in a higher score. | 09-25-2014 |
20140353531 | SYSTEM AND METHOD OF RETRIEVING MASS DENSITY DISTRIBUTIONS AND THERMAL PROFILES FROM THE ATMOSPHERE TO IDENTIFY MOLECULAR CONSTITUENTS THAT MAY ABSORB SPECTRAL ENERGY - A system and method for the retrieval of mass density distributions or “profiles” for at least a portion of the Earth's atmosphere for one or more molecular constituent within the atmosphere that absorbs spectral energy. The spectral energy may be anywhere within wavelengths of radiation from UV through visible and into the infrared. The system incorporates a single ended instrument to permit continuous monitoring of the vertical profiles of all constituents of interest. | 12-04-2014 |
20140374630 | MICROFLUIDIC-BASED FLOW ANALYZER - The present disclosure is related to a microfluidic flow analyzer for pathological detection. The microfluidic flow analyzer comprises plurality of buffer channels, sample channel, central flow channel, plurality of exciting optical channels and plurality of receiving optical channels. The plurality of exciting optical channels and the plurality of receiving optical channels are placed at predetermined angle to the central flow channel. The plurality of exciting optical channels excite cell in the sample solution flowing through the central flow channel. The cell being excited produces one or more optical signals. The one or more optical signals are received by the plurality of receiving optical channels. The microfluidic flow analyzer comprises plurality of detectors placed on each of the plurality of receiving optical channels for detecting one of the one or more optical signals. The detected optical signal is sent to a computing unit for pathological detection. | 12-25-2014 |
20150048264 | FLUID ANALYSIS METHOD AND FLUID ANALYSIS SYSTEM - A fluid analysis method is provided. A gradient distribution of a first scalar property of a calibration fluid in a space is obtained. A calibration schlieren image of the calibration fluid is acquired and processed to obtain an intensity distribution of the calibration schlieren image. The gradient distribution of the first scalar property of the calibration fluid in the space is mapped to the intensity distribution of the calibration schlieren image, so as to obtain a corresponding relation between the gradients of the first scalar property and the intensities. A test schlieren image of a test fluid is acquired and processed to obtain intensity distribution of the test schlieren image. The intensity distribution of the test schlieren image is converted to the gradient distribution of the first scalar property of the test fluid according to the corresponding relation. Moreover, a fluid analysis system is also provided. | 02-19-2015 |
20150346082 | APPARATUS AND METHOD FOR DETECTING MACROMOLECULES IN BIOLOGICAL FLUID - An apparatus for detecting macromolecules in a biological fluid is discloses which includes a first substrate and a second substrate. The first substrate includes a plurality of sampling apertures, at least some of which have different diameters. The sampling apertures are configured to screen and isolate the macromolecules in the biological fluid. The second substrate is stacked with the first substrate and includes a plurality of detectors vertically corresponding in position to the sampling apertures. Each of the detectors is configured to detect whether one of the macromolecules is present in a corresponding one of the sampling apertures and produce a detection output signal. A method for detecting macromolecules in a biological fluid is also disclosed. The apparatus has high integration and simple manufacturability, while the method is easy to use. | 12-03-2015 |
20160084760 | SIGNAL MONITORING METHOD FOR SENSING APPLICATIONS - A system and method to accurately estimate the strength and changes of the monitoring signal for sensing applications, this invention involves the monitoring of signal strength and changes through the use of a pseudorandom binary sequence bit stream to modulate the transmitter of a data link, when beating the transmitter signal with absorption structure signal from the sensor at the receiver, the changes in the received signal strength are proportional to the sensing signal being monitored. The received signal bit pattern is monitored by an error detector scheme to report a Bit Error Rate level based on the changes in the sensing signal level as compared to the bit stream from the transmitter. This results in a very accurate robust monitoring technique with high consistency and repeatability. | 03-24-2016 |
20160377530 | TUNABLE OPTICAL RECEIVER - An embodiment of the disclosure provides a system for determining information on one or more constituents in a medium. The system includes N light emitters L | 12-29-2016 |
250565000 | With comparison | 3 |
20150102240 | GAS DETECTION SYSTEM USING INTRACAVITY FIBER LASER WITH LOOP CAVITY HAVING SATURATED ABSORPTION FIBER - A gas detection system with an inner ring cavity fiber laser using saturated absorption optical fiber is provided. The system comprising a ring fiber laser consisted of a pump source, a wavelength division multiplexer, a first active optical fiber, a first coupler, a fiber Bragg grating and a second coupler connected successively; an optical isolator coupled between said first active optical fiber and said first coupler; a second active grating connected between said fiber Bragg grating and said first coupler; a detection gas chamber connected between said first coupler and said second coupler; a first photoelectric detector for detecting the laser intensity outputted from said ring fiber laser to generate a first light intensity signal; a second photoelectric detector for receiving the intensity measuring beam passing through the detection gas chamber to generate a second light intensity signal; and a feedback control unit. | 04-16-2015 |
20150115180 | METHOD AND APPARATUS TO VERIFY CORRECT REPLACEMENT FLUID IN A THERAPEUTIC EXCHANGE PROCEDURE - A method and apparatus are provided for automatically detecting the type of replacement fluid loaded by the operator during a therapeutic exchange procedure and to provide a warning alarm if an incorrect fluid is used. After the operator connects the container of replacement fluid to the replacement fluid line of a single-use kit and enters into the controller an identification of the exchange procedure to be performed, the replacement fluid is flowed through a segment of the kit in proximity to a sensor associated with the hardware component that detects the type of fluid flowing through the segment. The controller verifies whether the replacement fluid detected in the segment corresponds to that appropriate for the selected exchange procedure, and notifies the operator in the event that an incorrect replacement fluid has been loaded. | 04-30-2015 |
20160143121 | EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE AND METHOD OF GENERATING EXTREME ULTRA-VIOLET LIGHT - An extreme ultraviolet (EUV) light source device includes a source droplet generator for generating source droplets as a target source for generating extreme ultraviolet (EUV) light and for injecting the source droplets to a collector, a light irradiator for directing a detection light to an injection path of the source droplets, a light detector for detecting the detection light blocked by the source droplet, and a source droplet controller electrically connected to the light detector and the source droplet generator for analyzing the detection light to determine whether a satellite of the source droplet is generated or to determine a size of the generated satellite and for controlling a formation of a stream of source droplets based on the determination result. | 05-19-2016 |