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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...
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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...
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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...
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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...
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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...
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7593101 |
High-pressure cross-polar microscopy cells having adjustable fluid passage and methods of use
Apparatus and methods are described for observing samples at non-ambient temperatures and pressures. One apparatus comprises a cell body having a fluid flow-through passage and a light passage...
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RE40768 |
Optical inspection apparatus with removable inserts
An apparatus in accordance with the invention is directed to an optical inspection apparatus ( 10 ) adapted to inspect a liquid sample. The apparatus includes a tray ( 20 ) that is adapted to be...
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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...
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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...
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7542142 |
Optical probes and probe systems for monitoring fluid flow in a well
Several optical probes useful in downhole applications are provided. A first probe has a tip in the form of a cubical corner with the diagonal of the cubical corner aligned with the axis of the...
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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...
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7493219 |
Method of discriminating particle groups and particle analyzer
A method for discriminating particle groups comprises generating, by a particle analyzer, a particle characteristic distribution histogram in which the abscissa indicates respective channels for...
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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...
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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...
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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...
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7464581 |
Vacuum apparatus including a particle monitoring unit, particle monitoring method and program, and window member for use in the particle monitoring
It is an object to provide a vacuum apparatus capable of evaluating its cleanness precisely by surely monitoring particles including deposits readily detached from the apparatus, and a particle...
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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...
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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...
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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...
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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...
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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...
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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...
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7402827 |
Optical precipitation sensor for monitoring the accumulation of precipitation upon automotive glass
The invention is a precipitation sensor adapted to detect water upon an automotive glass and a method for its use. The precipitation sensor includes an optical emitter and a first mirror surface in...
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7399984 |
Sample collection and testing system having a displacement member causing reagent to come into contact with a sample collection surface
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...
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7385216 |
Sensor device and wiper controller having sensor device
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...
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7375348 |
Micro UV detector
A biological aerosol detector is provided. The biological aerosol detector uses a semiconductor optical source with an ultraviolet emission band to excite biological molecules in an aerosol sample....
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7372063 |
Optical detector for the presence of gas bubbles in a liquid
The invention concerns a method for detecting gas bubbles in a liquid adapted to a device comprising a light source, a light detector and a data controlling and processing unit connected to a...
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7365352 |
Gas concentration flux measuring device
A gas flux measuring device measures a region, such as a forest, as a measuring object with no influence by concomitants and with high responsiveness and excellent measuring stability. The device...
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7355194 |
Optical device and turbidity detection apparatus using same
An optical device is described that include: a photoemitter for emitting light, a mounting unit for installing a transparent container accommodating a sample to be subjected to detection, a...
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7354553 |
Method and apparatus for detecting the presence of elemental mercury in a gas sample
An improved elemental mercury analyzer utilizes a fluorescence assembly in combination with a fluorescence quenching reduction mechanism to detect the concentration of elemental mercury within an...
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7348586 |
Exterior element sensor
An exterior element sensor can include an optical element mounted on a window. The optical element can include a cylindrical lens having both ends shaped spherically and a central portion that...
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7340967 |
Device for measuring a mass flow rate of a particulate material
A device for measuring a mass flow rate of a flow of particulate material which moves in a predetermined direction. The device includes a weighing cell, a first apparatus, a second apparatus, and a...
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7324004 |
Cargo smoke detector and related method for reducing false detects
A method for reducing false detects may include emitting an infrared light beam from a primary emitter to a primary monitor detector, measuring a first voltage value using a primary receive...
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7323681 |
Image enhancement by sub-pixel imaging
Methods and apparatus for improving the resolution of an electronic imaging device having an array of pixels. Sub-pixel dimension movements between an object and the array of pixels are made, and...
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7309873 |
Raindrop sensor
A raindrop sensor includes a light-emitting element, a light-receiving element and a light guide body. The light-emitting element and the light-receiving element face a transparent panel. The light...
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7306942 |
Endospore detector
The invention herein provides for the detection of certain calcium containing endospores, and particularly pertains to the detection of bacillus anthracis by first chelating calcium ions of said...
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7301166 |
Optical multiplexer for liquid samples in a conduit
Multiplexer for electromagnetic radiation, e.g. UV-light, in which a single electromagnetic radiation source (203) and a single electromagnetic radiation detector (223) are connectable in turn to a...
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7297932 |
Vehicle optoelectronic precipitation sensor with adjustable lens holder
An optoelectronic sensor for sensing wetting of a windshield includes a first circuit, and a radiation emitter and a radiation detector both arranged on the first circuit to emit radiation toward...
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7295942 |
Increasing robustness of online calibration through motion detection
In a method for controlling an orienting/positioning system, the orienting system comprises at least one sensor means, an external motion detection device for detecting an externally-caused motion...
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7274032 |
Document processor with optical sensor arrangement
An apparatus for document processing comprises an optical sensor including a light source, a light detector and an optical element. The optical sensor is adapted so that, during operation of the...
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7259384 |
Fluid level optical detector with float having opaque and transmissive portions
Systems and methods for fluid level detection are disclosed. In one embodiment, a sensor assembly includes at least one optical fiber adapted to at least one of transmit and receive an optical...
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7259383 |
Optical transducer for detecting liquid level
An optical transducer for determining the presence or absence of liquid or the like in a reservoir includes a housing with a hollow interior and an optical probe that extends through the housing....
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7256882 |
Photometer device and method
A photometer device including an inlet passage for receiving a fluid such as an aerosol at a specified flow rate, an outlet passage separated from the inlet passage by a gap, and a radiation...
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7234830 |
Optical switch
An optical switch having a housing, a light source and a light detector. The light source and light detector are located remote from the housing. The light source is connected to the housing with a...
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7233015 |
System and method for detecting liquid flow from a nozzle in a semiconductor processing device
A system for detecting liquid flow from a nozzle in a semiconductor processing device includes a first fiber optic sensor, a second fiber optic sensor, and an amp. The first fiber optic sensor and...
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7227122 |
Image processing apparatus and method for processing images
An image processing apparatus uses a camera to pick up images of an image pickup target illuminated by a transmission type illumination, via optical filters, and then allows a spectral...
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7221288 |
Method and apparatus for using optical signal time-of-flight information to facilitate obstacle detection
One or more optical signals (wherein at least some of a plurality of optical signals are at different angles of travel with respect to one another and are directed towards an area comprising a...
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7209046 |
Method for the detection and signaling of dew films in smoke detectors
A method for the detection and signaling of smoke by means of an optical assembly in a detector casing, the optical assembly including at least one optical transmitter element and at least one...
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7199388 |
Liquid level detecting device
The present invention aims at attaining a liquid surface level detecting apparatus, which can be used in various detection targets and usage environments without selecting a detection target, can...
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7193233 |
Variable area flow rate meter using optical sensing of float position in the duct
A flowmeter has a variable area, vertically-oriented duct through which flows fluid whose flow rate is to be determined. A float in the duct assumes a position in the duct that depends on the flow...
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