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7631543 |
Method and apparatus for measuring the composition and water salinity of a multiphase mixture containing water
A method for determining the composition and water salinity of a multi-component mixture of a gas and at least one liquid, including water, in a pipe ( 1 ), the method comprising the following...
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7616009 |
Method for microwave measurement, measuring device and oscillator
An object to be measured is measured using microwave radiation. Oscillation energy is generated by means of a feedback coupled active unit. The solution involves generating resonance into at least...
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7602330 |
Horn antenna with a composite emitter for a radar-based level measurement system
A horn antenna suitable for use with a level measurement device and having a composite emitter structure. The emitter structure or assembly comprises an emitter and a plug. The emitter provides the...
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7592946 |
Level measurement arrangement
A level measurement arrangement for measurement of a level of a product in a container, comprising: a level sensor, having: a mounting element, including a process connector, for mounting the...
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7589664 |
Circuit for multifrequency band radar level gauge
A circuit for a radar level gauge for measuring the level of the surface of a product stored in a container, wherein the gauge includes a radar for transmitting microwave signals from a multiband...
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7561113 |
Antenna system for level measurement with radar level measurement devices
The invention concerns an antenna system for level measurement with a level measurement device with a wave guide ( 5 ) that runs axially and that either has on its rear side an arrangement ( 4 )...
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7548072 |
Potential separation for filling level radar
Both in potential separation in the microwave path, and in potential separation directly between the two-wire loop and the output circuit, the quality of signal transmission may be negatively...
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7538561 |
Method for detecting an interface between first and second strata of materials
Methods of detecting an interface between materials having different dielectric loss factors using an apparatus having a transmission line including an inner conductor surrounded by dielectric and...
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7515095 |
Silo contents measurement system
An antenna for a level sensing gauge comprises an environmentally sealed chamber extending from the level sensing gauge and mounting and positionable within the interior of a storage compartment,...
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7511513 |
System and method for detecting the proximity of a body
A system and method for sensing the proximity of an electronic device, in particular, a radio frequency mobile communication device such as a mobile telephone, wireless modem equipped portable...
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7498974 |
Radar level gauge with a galvanically isolated interface
A radar level gauge (RLG) using electromagnetic waves for determining a process variable of a product in a tank is provided which includes timing circuitry adapted to provide timing control of a...
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7492165 |
Position detecting device with a microwave antenna arrangement
A position detecting device finds the position of a specimen arranged in a conductive structure on the basis of microwaves and includes an electrical circuit for the production and/or reception of...
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7486226 |
Device and a method for accurate radar level gauging
The invention relates to a system, device, and method for using radar signals to measure the distance (h) to a surface from said device, the device comprising a transmitter and a transmitting...
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7482819 |
Power tool with measurement of a penetration depth of a working tool
A power tool ( 1 ) for driving a working tool ( 3 ) that penetrates at least axially into a to-be-machined material ( 2 ), and including a signal processor ( 6, 6 ′), and a transducer ( 5 ) which...
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7482820 |
Sensor for measuring moisture and salinity
A sensor for measuring the moisture and salinity of a material is disclosed herein. The sensor preferably includes a soil moisture circuit, a soil salinity circuit and a probe structure. The soil...
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7479787 |
Current regulator for loop powered time of flight and level measurement systems
A protection circuit for a current loop powered level measurement or time of flight ranging apparatus. The protection circuit includes one or more Zener diodes, a leakage current detector circuit...
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7477059 |
Method to determine the contents level of a first fluid in a container and to determine a presence of a second fluid below the first fluid and level measurement apparatus to execute said method
A level measurement device to measure the fill level of a fluid in a container, and a method to determine the contents level of a first fluid in a container and a presence of a second fluid below...
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7466144 |
Microwave measurement system for piston displacement
A microwave measurement system is utilized for the determination of displacement of a piston in a fluid filled cylindrical structure. The piston plus cylindrical encasement of the hydraulic system...
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7466143 |
Clearance measurement systems and methods of operation
A method is provided and includes exciting a sensor with an incident signal and generating a reflected signal by reflecting the incident signal from the sensor. The incident signal and the...
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7446695 |
Precision pulse detection system for radar sensors
A precision pulse detection system for time-of-flight sensors detects a zero axis crossing of a pulse after it crosses above and then falls below a threshold. Transmit and receive pulses flow...
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7439749 |
Non-destructive testing of physical characteristics of composite structures
A method for detecting an anomaly in a composite material comprising directing two transmitted electromagnetic wave signals orthogonally polarized with respect to each other from a probe to the...
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7423435 |
Method and apparatus for measuring grammage
A grammage measuring apparatus including a dielectric resonator which is arranged only at one side surface of a sample; a shielding container with which the dielectric resonator is substantially...
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7379016 |
Carrier phase detection system for radar sensors
A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse...
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7372397 |
Energy storage in a radar level gauge
A radar level gauge using microwaves for measuring a level of a surface of a product in a container, comprising a microwave unit, processing circuitry connected to said microwave unit, an interface...
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7339382 |
Apparatuses and methods for nondestructive microwave measurement of dry and wet film thickness
Wet and dry film thickness can be measured non-invasively on structures, such as surfaces associated with vessels, aircraft and buildings, using calibrated microwave sensors. The film is measured...
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7265558 |
Radar level gauge using elliptically or circularly polarized waves
A radar level gauge (RLG) is provided for determining a filling level of a filling material contained in a container by transmitting and receiving elliptically or circularly polarized waves. The...
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7259712 |
Antenna with integral sealing member for a radar-based level measurement system
An antenna assembly suitable for use with a microwave-based level measurement system mounted on a vessel. The antenna assembly comprises a rod antenna having a mounting member with an integral...
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7239267 |
Microwave sealing for radar level gauges
A radar level gauge system is disclosed, having a transmitter for transmitting measuring signals towards the surface of the filling material, a receiver for receiving echo signals from said surface...
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7187183 |
Apparatus and method for microwave determination of at least one physical parameter of a substance
A method and an apparatus is described to measure at least one physical parameter of a substance such as moisture and salt content. This is done by transmitting a microwave beam through the...
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7173436 |
Antenna device for level gauging
An antenna device for determining the filling level of a filling material in a container (tank) comprising an essentially flat array antenna with an emitting area for emitting measuring signals...
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7167008 |
Microwave sensor for object detection based on reflected microwaves
A microwave sensor transmits a plurality of microwaves of different frequencies toward a detection area and carries out an object detection operation based on reflected waves of the microwaves from...
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7135869 |
Thickness measuring systems and methods using a cavity resonator
Film thickness measurement systems and methods are provided that utilize a signal generator having a Gunnplexer design and a resonant frequency detector to correlate the shift in resonant frequency...
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7135873 |
Digital time domain reflectometer system
A digital time domain reflectometer system is provided for performing a measurement process that is useful for calculating a cable length. The measurement process starts with a launch controller...
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7098669 |
Depth determining system
A system for determining the depth of a fluid in a storage tank. The depth of the fluid is determined after the detection of a pulsed wave that is reflected from the top surface of the fluid. The...
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7098671 |
Microwave measurement system for piston displacement
A microwave measurement system is utilized for the determination of displacement of a piston in a fluid filled cylindrical structure. The piston plus cylindrical encasement of the hydraulic system...
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7080554 |
High-precision measuring method and apparatus
A method and apparatus for monitoring a condition having a known relation to, or influence on, the transit time of a cyclically-repeating energy wave moving through a transmission channel, by: (a)...
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7075480 |
Level measurement device having electronics and antenna in one housing
Described is a radar filling level measuring device for non-contact measurement of a filling level of a filling matter in a vessel. A radar filling level measuring device including an electronics...
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7071706 |
Measuring device for rapid non-destructive measurement of the contents of capsules
The invention relates to a process for the non-destructive net weighing of capsules using microwaves.
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7053630 |
Level gauging system
A radar level gauge for measuring the level of a surface of a product stored in a tank by use of radar. The radar transmits microwaves towards the surface and receives microwaves reflected by the...
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7012437 |
Device for the determination and/or monitoring of the filling level of the charge in a container
The invention relates to a TDR fill level measuring device. A surface waveguide, along which the measuring signals are guided, is composed of a plurality of segments, which are arranged to...
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7009408 |
Fill level measuring device using microwaves
A fill level measuring device working with microwaves, having an antenna for transmitting, or for transmitting and receiving, microwaves. The antenna has a metallic outer conductor and a ceramic...
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6998853 |
Patchcord length measurement for LAN testers
A LAN tester has display and remote units each having a connector jack attached to an adapter board for connection to the plug of a patch cord. Both the display and remote units have circuits which...
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6989675 |
Method and apparatus for precision measurement of film thickness
An apparatus for measuring thickness in super-thin films consists of a special resonator unit in the form of an open-bottom cylinder which is connected to a microwave swept frequency microwave...
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6984976 |
Process for determining the resistivity of a resistive layer
The invention is a process for determining the resistivity of a layered structure including a layer of resistive material hidden under a topcoat and a tile layer, the process comprises the steps...
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6969998 |
Measurement of angle rotation using microstrip resonators (2.4ghz,2 degree)
The present invention relates to a measuring device and a method for contactless detection of an angle of rotation or a torsional rotation. The measuring device includes a first resonator ( 2 ) and...
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6956382 |
Isolation circuit
A radar level gauge using microwaves coupable to a two-wire process control loop for measuring level of a product in a tank. A microwave antenna unit is directable into the tank. A low power...
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6927734 |
Dielectric rod antenna
A dielectric rod antenna assembly for a level measurement system. The antenna assembly includes a transition structure housed within a coupling sleeve. The transition structure includes a...
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6922062 |
Timing markers for the measurement and testing of the controlled impedance of a circuit board
Testing of a printed circuit board (PCB) impedance measurement region is performed using time domain reflectometry (TDR) that measures reflections and time delays of pulses injected into an...
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6906528 |
Electronic non-contacting linear position measuring system
A non-contacting linear position location system employs a special transmission line to encode and transmit magnetic signals to a receiver on the object whose position is to be measured. The...
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6891381 |
Human body: scanning, typing and profiling system
A body scanning measurement, typing and profiling apparatus and method utilizing microwave energy. Microwaves are used to measure the size and shape of an individual. An array of miniaturized...
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