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8180582 |
System and method for sensing liquid levels
A system for detecting a presence of a liquid within a receptacle includes a sensor and a processor. The sensor includes a transmitting probe and a receiving probe positioned within the liquid...
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8171786 |
Fuel inventory monitoring system
An ultrasonic-based or radar-based apparatus and method for fuel inventory measurements and for the detection and characterization of materials in a fuel tank, including sludge, water,...
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8146419 |
Liquid level measurement device
The present invention relates to a device (10) for providing a temperature compensated measurement of the level of a liquid (14) in a tank (12; 30). The device comprises a transducer (22) for...
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8135554 |
Probe configuration data protocol and transmission method
Transmission of probe configuration data is initiated upon recognition by the probe of a prescribed condition. Probe configuration data protocol includes a data frame, subdivided into a desired...
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8127602 |
Measuring device for determining and/or monitoring the amount of contents in a container
A fill-measuring device for determining and/or monitoring the fill level of a container, includes: a membrane (1) which can be caused to vibrate; a rigid membrane rim (2) in which the membrane (1)...
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8113047 |
Ultrasonic measuring device for a container
The invention relates to an ultrasound measuring device for a container. A coupling device supporting an ultrasound transducer serves for coupling and asymmetric alignment of the ultrasound...
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8104341 |
Ultrasonic liquid level monitoring system
An ultrasonic liquid level monitoring system includes an ultrasonic transducer unit that is externally mountable to a tank. An ultrasonic emitter may generate an ultrasonic beam and receive an echo...
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8100006 |
Liquid level measurement device and installation incorporating the same
A liquid level measurement device comprises a generally seamless pipe for insertion into an installation in which liquid level is to be monitored and a non-contact sensor assembly disposed within...
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8100007 |
Method and apparatus for detecting contact of a pipetting needle with a liquid in a vessel
A method and level sensor apparatus for detecting contact of a pipetting needle with at least a liquid contained in a vessel are disclosed. The apparatus provides a pipetting needle made of a...
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8096177 |
Fuel inventory monitoring system
An ultrasonic-based apparatus and method for fuel inventory measurements and for the detection and characterization of materials in a fuel tank, including sludge, water, microorganisms and...
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8091421 |
System and method for measuring content of a bin
A system for measuring the height of bin content includes a transmitter for transmitting an acoustic pulse towards the upper surface of the content, a non-collinear receiver array for receiving an...
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8091579 |
Level sensor
A level sensor for providing an indication of liquid level in a container. The level sensor including an ultrasonic transducer for emitting an ultrasonic signal to the surface of the liquid and for...
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8069721 |
Radar level gauge system having limited transmission power
A radar level gauge system, for determining a filling level of a product contained in a tank, the radar level gauge system comprising a transceiver including a signal generator for generating...
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8069722 |
Tank gage hatch assembly
A tank gage assembly is provided including a tank gage antenna operatively couplable to a tank gage; a cover coupled to the tank gage antenna; a gage hatch flange including an opening and being...
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8065912 |
Filling level sensor and method for measuring filling level
A fill-level measuring device for measuring a fill level of a fill substance in a container, which, following a single commissioning, can be used in a plurality of applications. The fill-level...
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8061196 |
Bottom up contact type ultrasonic continuous level sensor
An ultrasonic sensor for measuring the level of liquid in a vessel has an elongated tubular probe, a tube within the probe, and a transducer that converts electrical energy to ultrasonic energy...
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8061198 |
Measuring cup sensor and system
A measuring device for use with at least one measuring cup comprised of: a microprocessor, an ultrasonic transmitter, and an ultrasonic sensor, all positioned on a printed circuit board housing,...
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8052266 |
Liquid detection device, liquid ejecting apparatus, and method of detecting liquid
A liquid detection device that drives a liquid detecting portion includes a driving portion, a signal detecting portion, a high-pass filter portion, a first switch, and a control portion. The...
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8037752 |
Apparatus for measuring the filling level of a liquid in a container
Apparatus for measuring the filling level of a liquid in a container comprising a transmitting device 1 which emits ultrasound transmission pulses, a receiving device 2 which receives the echo...
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8037753 |
System for manufacturing a modularly structured apparatus for determining filling level
A system for providing different versions of a modularly structured apparatus for determining a physical process quantity, wherein at least two devices to be generated from the system are based on...
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8033169 |
Device and method for qualitative determination of the cavitation energy of ultrasound in containers
The present invention relates to a measuring chamber (6) for an ultrasonic bath (1) or for a container which is equipped with a low-frequency ultrasonic source (2) for cavitation generation, this...
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8031557 |
Method of operating an acoustic pulse echo ranging system
A method of operating an acoustic pulse echo ranging system is provided. A series of acoustic energy pulses of successively increasing or decreasing burst frequencies are transmitted through a...
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8020438 |
Scan lock and track fluid characterization and level sensor apparatus and method
A liquid characterization and level sensor with a coaxial probe attached to a closed loop servo circuitry combined with a DSP and novel algorithms to scan, lock and track signals to ascertain the...
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8015866 |
Liquid detection unit, and liquid container
Disclosed is a liquid detection unit having a liquid detection chamber, a detection portion including a detection space communicating with the liquid detection chamber via a through hole of a...
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8011241 |
Level meter
A level meter employs the radar concept for measuring the fill level of a medium in a container and incorporates an electric conductor system for conducting an electromagnetic signal into the...
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8006554 |
Filter and SPE plate clogged well detection
The invention provides a method, a system, and a computer readable medium for determining the fill-ready status of one or more wells of a plurality of wells formed in a filter or solid-phase...
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7999725 |
Level monitoring device for determining and monitoring a fill level of a medium in the process area of a vessel
A fill level measuring device for ascertaining and monitoring fill level of a medium in the process space of a container by means of a microwave travel time measuring method. The device includes:...
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7980129 |
Feed bin monitoring system and method
A bin monitoring system functions both as a device for lifting the bin and as a weighing system for monitoring or measuring the level of feed in a feed bin. Various embodiments having a suspended...
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7963163 |
Systems and methods for detecting fluids
Fluids such as saline solution that are disposed in containers such as contact lens packages can be detected by directing ultrasonic energy at the container and receiving a return reflection of the...
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7946168 |
Acoustic volume indicator
Acoustic volume indicators for determining liquid or gas volume within a container comprise a contactor to vibrate a container wall, a detector to receive vibration data from the container wall, a...
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7946169 |
Fluid level detector
A fluid detector includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a lens with an upper portion and a lower portion. A housing is...
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7926344 |
Ultrasonic fluid level sensing using a dry couplant
An ultrasonic, non-invasive, bottom-up fluid level sensor for a container, includes: an ultrasonic transducer; and a dry couplant in acoustic communication with the transducer. The dry couplant is...
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7905143 |
Ultrasonic fuel level monitoring system incorporating an acoustic lens
An ultrasonic liquid level monitoring system includes an ultrasonic transducer unit that is mountable to a tank. The unit has an emitter to generate an ultrasonic beam passing through the wall of...
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7891229 |
Method and apparatus for real-time calibration of a liquid storage tank level gauge
A system and method are provided that receive a signal representing a reflection of an electromagnetic wave from a liquid and from one or more reference pins in a storage tank. A sensed distance to...
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7866209 |
Fluid level regulator
A biological specimen collection and transfer system, including a biological sample container configured for storing a biological fluid sample, a vacuum source, a specimen filter having an interior...
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7861587 |
Device for measuring the level of a liquid in a container with an ultrasonic transducer
The invention relates to a device for measuring the level of liquid in a container by means of an ultrasonic converter, comprising an ultrasonic converter which is disposed at a distance from the...
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7865317 |
System and method for measuring a fuel level in a vehicle fuel tank
A fuel measurement system and method that can determine the fuel level in a vehicle fuel tank, even when the fuel is sloshing, splashing, or experiencing other dynamic conditions. Generally...
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7856876 |
Fluid level measurement device
The present invention relates to a device (10) for providing a gas composition compensated acoustic measurement of the level of a liquid (16) in a tank (18). The device comprises a transducer (14)...
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7849738 |
Device for detecting interaction with an object
A device and method for the detection of the interaction between two or more objects is disclosed. The device utilizes electrical impedance spectra measured from a piezoelectric element attached to...
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7826309 |
Filling level measurement device and filling level measurement and monitoring method
A method for measuring a fill level of a fill substance in a container and for monitoring at least one predetermined fill level (LMIN, LMAX), using a fill level measuring device working according...
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7823446 |
Pulsed radar level gauging with relative phase detection
A method for determining a process variable of a product in a tank based on a time delay of electromagnetic waves. The method further comprises forming a measurement signal comprising a sequence of...
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7819002 |
Filling level measurement method according to the running time principle
A reliable method for measuring a fill level of a fill substance in a container using a fill level measuring device working according to the travel-time principle, wherein, periodically,...
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7819003 |
Remote monitoring of fluid storage tanks
Arrangement and method for monitoring a fluid storage tank which includes a housing defining an interior receivable of a removable fluid. An interior sensor system is arranged on the housing to...
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7814789 |
Device for determining and/or monitoring the fill-level process variable of a substance in a container
The invention relates to an apparatus for determining and/or monitoring the process-variable fill-level of a fill substance in a container. The apparatus of the invention is to satisfy high demands...
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7805991 |
Liquid sensing apparatus for a liquid container for supplying a liquid to a liquid consuming apparatus, and a liquid container in which the liquid sensing apparatus is built
A liquid sensing apparatus includes a liquid sensing chamber 33 having a liquid inlet port that is in communication with an external liquid container in which a liquid is reserved, and a liquid...
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7802470 |
Ultrasonic liquid level detector
An ultrasonic liquid level detector for use within a shielded container, the detector being tubular in shape with a chamber at its lower end into which liquid from in the container may enter and...
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7788973 |
Combined sight oil level gage and ultrasonic sensor
The invention provides a combined fluid level sight gage and ultrasonic sensor featuring a fluid level sight gage having a housing for containing a fluid and having a sight glass for viewing the...
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7775106 |
Non-contact radar based level measurement device
A system and method for using a probe-based guided-wave radar sensor to measure fluid level in a container in a non-contact mode are provided. The system and method of the current invention...
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7770447 |
Fluid level detector
A fluid detector for determining a presence of a fluid within a container includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a...
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7757560 |
Methods and apparatus for observing vessel contents
A method for observing a change in one or more parameters of a flowable material in a vessel is disclosed, the method comprising transmitting an ultrasound signal into a vessel containing a...
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