|
Match
|
Document |
Document Title |
|
|
7643766 |
Device for measuring concentration of toner in liquid developer, image forming apparatus provided therewith, and method for measuring toner concentration
Provided are a light-emitting portion having a light-emitting member and a light emergence surface through which light from the light-emitting member emerges, and a light-receiving portion having a...
|
|
|
7633398 |
Apparatus and method for measuring precipitation
A precipitation gauge for measuring liquid and frozen precipitation is provided according to the present invention that includes a support structure having at least one light sensor, or pair of...
|
|
|
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...
|
|
|
7492272 |
High liquid alarm system
A high liquid alarm system for use in detecting the presence of water and oil in water present in a confined space is disclosed. In one implementation, the system includes an optical sensor capable...
|
|
|
7417552 |
Flood alarm
A flood alarm is disclosed. In an illustrative embodiment, the flood alarm includes a float assembly and a telephone system interface module connected to the float assembly. A method of indicating...
|
|
|
7403125 |
Flow cytometry system with bubble detection
The flow cytometry system of the present invention includes a flow channel including an interrogation zone. A light source and a light detector are connected to the interrogation zone, such that a...
|
|
|
7400266 |
Method for improving vision in a motor vehicle
A method, a device and a processing unit for improving visibility in a motor vehicle are described, a light source of the motor vehicle illuminating an illumination range. At least one monitoring...
|
|
|
7327273 |
Fluid monitoring device
This invention relates to a device to monitor the administration of a fluid through a conduit, such as intravenous fluid, and detect the completion of fluid delivery by monitoring the fluid level...
|
|
|
7265662 |
Apparatus and method for inspecting containers
This invention relates to an integrated apparatus and method for inspection of a container adapted to hold a pressurized gas. The integrated apparatus comprises (i) an imaging device configured to...
|
|
|
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...
|
|
|
7116236 |
Oil tank sight glass monitor
An oil tank sight glass monitor comprising a housing having an opening therein sized to receive the sight glass of an oil tank; an emitter for emitting a beam of light, the emitter being mounted to...
|
|
|
7049622 |
Optical position sensor for determining the interface between a clear and an opaque fluid
An inexpensive, optical position sensor for measuring a position or length, x, along a one-dimensional curvilinear, coordinate system. The sensor can be used, for example, to determine the position...
|
|
|
7012272 |
Method for measuring the filling level of a liquid in a cavity having a sub-mm wide opening
The invention relates to a method to optically measure the filling level of a liquid in a cavity having a sub-mm wide opening with the aid of a measuring sensor based on chromatic coding, the...
|
|
|
6968739 |
Gauge and method for indicating a level of a liquid in a tank
A gauge is disclosed for indicating a level of a liquid in a tank including a display device and a control unit coupled thereto. The display device includes multiple light-emitting elements. The...
|
|
|
6900733 |
Rain sensor, particular for a motor vehicle and method for mounting a rain sensor
A rain sensor and a method for installing a rain sensor are provided for a motor vehicle. The rain sensor includes a housing in which at least one printed circuit board is located and which has a...
|
|
|
6894619 |
Sensor for optically detecting foreign bodies particularly raindrops on a glass pane
A sensor for optical detection of foreign bodies, in particular raindrops, on a window, in particular on the windshield of a motor vehicle, having a sensor element that is coupled to the inside of...
|
|
|
6796264 |
Fluid flow monitor and indicator
A metal body has a threaded inlet port and a threaded outlet port which extend to corresponding inlet and outlet chambers within the body, and a semi-spherical liner seats within the body and has...
|
|
|
6753785 |
Oil tank sight glass monitor
An oil tank sight glass monitor comprising a housing having an opening therein sized to receive the sight glass of an oil tank; an emitter for emitting a beam of light, the emitter being mounted to...
|
|
|
6703635 |
Method and apparatus for measuring the level of liquid using optical fiber strain gauge
For measurement of a liquid level, an optical fiber connected at its one end portion to force receiving means movably arranged in liquid to receive force from the liquid is dipped in the liquid...
|
|
|
6696966 |
Automatic salt level monitor for a water softening device
The present invention provides an automatic monitor for use in a tank with a water soluble softening agent. The monitor includes a signal emitter that produces a signal capable of being detected by...
|
|
|
6668645 |
Optical fuel level sensor
An optical fuel level sensor for providing an electronic signal representative of the fuel level within a fuel tank, generally comprising a waveguide body, a photo source, and a photo receiver. The...
|
|
|
6658933 |
Fill-level indicator for a liquefied-petroleum-gas tank
Fill-level indicating device includes an array of optical detectors attached to a mount, vertically spaced apart relative to one another and distributed within the tank over the height of the...
|
|
|
6656871 |
Method for production of catalyst
During the deposition of a catalytic component on a carrier, the position of the liquid level of a slurry containing the catalytic component is controlled with high accuracy and the adhesion of the...
|
|
|
6612169 |
Apparatus for engine lubricant level detection
The invention relates to an indicator system for fluid levels, including two or more optically and/or thermally conducting fibers, preferably suitable for indicating the fluid level of a lubricant...
|
|
|
6581461 |
Electro-optic sensor for levelmeter providing output signal with frequency modulated by surface level
An opto-electric levelmeter having a sensor that provides an output signal whose frequency represents the surface level of liquid in a container. The sensor's circuitry includes an oscillation...
|
|
|
6583725 |
Motion sensor
A motion sensor having an outer tubular member closed at both ends thereof and an inner tubular member, concentrically disposed within the outer tubular member, forming therein an inner chamber and...
|
|
|
6555837 |
Fluoropolymer fluid overfill probe
An optically-based overfill detection probe is provided that has a prism made of a fluoropolymer, preferably TEFLON® PFA. The prism material has a high resistance to chemical solvents, is less...
|
|
|
6529751 |
Optical detection and quantification of microair in blood
Both the number and the size of microair bubbles in a bloodstream are accurately determined optically, independently of oxygen saturation, by monitoring the intensity of light transmission in the...
|
|
|
6484564 |
Liquid leakage sensor, paper for detecting liquid leakage, and holder for detecting liquid leakage
A liquid leakage sensor, paper for detecting liquid leakage, and holder for detecting liquid leakage stably and reliably without being affected by bubbles when a large volume of liquid leaks at...
|
|
|
6452202 |
Apparatus for measuring level of liquid in tank
An apparatus for measuring the level of liquid contained in a tank includes a tank, at least one exhaust pipe having a transparent portion, a light source for emitting light to the transparent...
|
|
|
6448573 |
Fluoropolymer fluid overfill probe with infrared optical signal
An optically-based overfill detection probe is provided that has a prism with a substantially quadrilateral cross-sectional shape, such that internal reflection angles are less than ninety degrees....
|
|
|
6389239 |
Liquid detection device, fusing unit using the same, and electrophotographic apparatus
Disclosed is a liquid detection device wherein a condition in which there is no liquid remaining in either a storage member or a tank and a condition in which there is liquid remaining in at least...
|
|
|
6331819 |
Device and method for operating a rain detector
An apparatus and a method for operating an optoelectronic rain sensor for detecting the wetting of a window (14) with moisture for wetting-dependent triggering of a system, in particular a...
|
|
|
6276901 |
Combination sight glass and sump oil level sensor for a hermetic compressor
A combination sight glass and optical sensor is provided in the housing of a hermetic compressor to provide effective visual inspection in addition to automatic sensing of the level of oil in an...
|
|
|
6259370 |
Leak sensor
In a leak sensor including a light-transmitting part 16 constituted by a transparent or semitransparent material, the leak sensor irradiating the light-transmitting part 16 with probe light L in a...
|
|
|
6236324 |
Elastic plate liquid level sensor
A liquid level sensor intended to be placed in a tank or sump. The Sensor includes a displacer attached to one side of an elastic plate and an optical shutter blade attached to the other side. The...
|
|
|
6218949 |
Liquid level monitoring and control apparatus
A liquid level monitoring and control apparatus is described, which generates an alarm signal or a safety signal, discontinuing an operation such as heating, when the liquid level in a controlled...
|
|
|
6218950 |
Scattered light fire detector
A scattered light fire detector and a method for evaluating scattering signals of a fire detector are disclosed. The microprocessor-based scattered light fire detector measures the scattering...
|
|
|
6215406 |
Apparatus and method for detecting ignited flammable gas in a conduit
An apparatus and a method for detecting ignited flammable gas in a conduit or for detecting the impurity content of a gas composition are described. In the apparatus, a sensor body is provided...
|
|
|
6177874 |
Liquid supplying device for providing chemical solution with a liquid level sensor
A liquid supplying device comprising a liquid container for storing a liquid so as to supply an external device and a liquid level sensor for detecting the liquid level. As the liquid within the...
|
|
|
6161395 |
Liquid level sensor
A sensor system. The system comprises a binary sensor issuing a signal representative of a first or second condition; sampling circuitry, operatively connected to the binary sensor, for monitoring...
|
|
|
6148280 |
Accurate, rapid, reliable position sensing using multiple sensing technologies
In accordance with the subject invention, devices and methods are provided for the accurate reporting of movement of an entity. Sensors which are accurate, but provide a delayed signal ("delayed...
|
|
|
6121628 |
Method, gas turbine, and combustor apparatus for sensing fuel quality
A gas turbine includes a compressor for compressing air and discharging compressed air. A combustor produces a hot gas by burning a fuel having a quality level in the compressed air. A turbine...
|
|
|
6118134 |
Optical mass gauge sensor having an energy per unit area of illumination detection
An optical mass gauge sensor is disclosed comprising a vessel having an interior surface which reflects radiant energy at a wavelength at least partially absorbed by a fluid contained within the...
|
|
|
6082392 |
Dual hose assembly and control system for truck-to-truck fuel transfer
A hose assembly is provided for transmitting liquid fuel between the fuel tank of a highway truck and the fuel tank of an airport refueler. The assembly comprises inner and outer hoses. The inner...
|
|
|
6057772 |
Apparatus and method for optically sensing liquid level in cooking vessels
An apparatus and method for optical sensing of liquid level in cooking vessels are disclosed. The apparatus comprises: a first sensor (P1) for detecting a liquid and generating a first signal...
|
|
|
6049088 |
Fluid overfill probe with anti-reflective guard
A optically-based fluid overfill prevention probe has an anti-reflective guard which prevents light external to a prism of the probe from reaching a photodetector of the probe. The probe has a...
|
|
|
6048487 |
Recoating stereolithographic layers
Improved apparatus and methods for forming a layer of material over a surface of a previously-formed cross-section of a three-dimensional object in anticipation of forming a next cross-section of...
|
|
|
6041966 |
Enclosure for a bottom draining container
A valve assembly and a bottom-draining container having the valve assembly. The valve assembly comprising a first body member, a guide member supported by the first body member so that the guide...
|
|
|
6040776 |
Collection of process effluent
Described herein is an alarm system for use with a `bag-in-box` arrangement (10) which is used to collect effluent from a processing apparatus (20). The alarm system comprises a chamber (50)...
|