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9035822 Intermittent filling level determination with dynamically determined number of measurements  
A method of determining a filling level of a product contained in a tank using a level gauge system, comprising the steps of: transmitting a first signal towards a surface of the product;...
9035823 Method for monitoring the state of a fill level measuring device operating according to the radar principle  
A method for monitoring the state of a fill level measuring device (1) operating according to the radar principle and such a fill level measuring device, wherein the fill level measuring device...
9024806 Radar level gauge with MCU timing circuit  
A method for determining the filling level of a product in a tank using electromagnetic signals, comprising: a) generating a transmission signal having a predetermined length; b) propagating the...
9024808 Filling level determination using transmit signals with different frequency steps  
A method of determining a filling level comprising transmitting a first transmit signal exhibiting a first ratio between bandwidth number of frequencies; receiving a first reflection signal;...
9024807 Verification of a level gauge system  
The present invention relates to a method of verifying a measurement accuracy of a level gauge system. The method comprises determining a first measurement value indicative of a time-of-flight of...
8970424 Radar level gauge system with reduced antenna reflection  
A radar level gauge system for determining a filling level in a tank. The radar level gauge system comprises a transceiver, a horn antenna having a first opening connected to the transceiver and a...
8963768 Measurement system comprising a pressure resistant feed-through  
Stated is a process separation device for a fill-level measuring device including a pressure resistant feed-through for an inner conductor. The process separation device comprises an inner...
8963769 Guided wave radar interface measurement medium identification  
A guided wave radar transmitter for interface measurement comprises a probe defining a transmission line for sensing level of two immiscible liquids to define an interface therebetween. A pulse...
8941532 Probe spacing element  
The present invention relates to a guided wave radar level gauge system for determining a filling level of a product contained in a tank. The level gauge system comprises a transceiver for...
8933835 Two-channel directional antenna and a radar level gauge with such an antenna  
A two-channel directional antenna for use in a radar level gauge. The antenna comprises a partition wall dividing the antenna into a first partition for emitting an electromagnetic transmit...
8933789 Systems and methods for RFID-enabled information collection  
Methods, apparatuses and systems for radio frequency identification (RFID)-enabled information collection are disclosed, including an enclosure, a collector coupled to the enclosure, an...
8872695 Guided wave radar level gauge system with dielectric constant compensation through multi-mode propagation  
A guided wave radar level gauge system, comprising a transmission line probe configured to support a first propagation mode such that it travels along the transmission line probe with a first...
8872694 Radar level gauging using frequency modulated pulsed wave  
A method for measurement of a distance to a surface of a product kept in a tank method comprises transmitting a pulse train of distinct carrier wave pulses having a duration greater than 1...
8872696 Intermittent surface measurement  
A method of determining a filling level of a product contained in a tank, the method comprising the steps of: a) transmitting an electromagnetic probing signal towards a target area of a surface...
8868358 Fill level measuring device working with microwaves  
A fill level measuring device includes: a transmitting and receiving system for producing a higher frequency microwave signal and a lower frequency microwave signal. The transmitting and receiving...
8854253 Radar level gauging with detection of moving surface  
A radar level gauging principle including transmitting at least two time separated carrier wave pulses having equal carrier frequencies, determining a change in phase shift associated with two...
8842039 Guided wave radar level gauge with improved sealing arrangement  
A radar level gauge for determining a filling level of a product contained in a tank. The gauge has a sealing arrangement comprising a hollow housing, a conductor and a dielectric sleeve arranged...
8842038 High frequency mode generator for radar level gauge  
A radar level gauging system for determining at least one process variable related to a distance to a surface of a product in a tank comprising transceiver circuitry, processing circuitry, a wave...
8830118 Radar level gauge system with operation monitoring functionality  
A method of monitoring operation of a radar level gauge system installed at a tank and arranged to determine a filling level of a product contained in the tank. The method comprises the steps of:...
8797207 Filling level measuring device antenna cover  
A filling level measuring device antenna cover includes a base body and a plurality of circular fins concentrically arranged on the base body, wherein the fins and the base body consist of a...
8773302 Multi-channel radar level gauge  
A level gauge for detecting process variables related to a distance to a surface of a content in a tank, comprising a first and second functionally independent circuitry arrangements comprising...
8730093 MFPW radar level gauging with distance approximation  
Level gauging including an approximation of a distance to the surface of a product kept in a tank. The approximation is determined by relating an amplitude of a first harmonic of an IF signal with...
8717222 Method and apparatus for monitoring the surfaces of slag and molten metal in a mould  
A method for monitoring the surfaces of slag and molten metal in a mold of a continuous casting apparatus, using radar equipment is disclosed. The radar equipment emits a beam of electromagnetic...
8692983 Optical, laser-based, or lidar measuring systems and method  
Present novel and non-trivial optical, laser-based measuring systems and method are disclosed. An optical, laser-based, or LIDAR measuring apparatus is comprised of a radiation...
8686895 Pulsed radar level gauge system with higher order harmonic regulation  
A radar level gauge system comprising first pulse generating circuitry for generating a transmission signal, second pulse generating circuitry for generating a reference signal; and frequency...
8688279 Energy storage at elevated voltage in a radar level gauge  
A power management circuitry for a radar level gauge including a first voltage converter, having a low-voltage end for receiving a drive voltage from a power interface and a high-voltage end for...
8659472 Method and apparatus for highly accurate higher frequency signal generation and related level gauge  
An apparatus includes a stable local oscillator, which includes a first control loop. The first control loop includes a first voltage-controlled oscillator configured to generate a first output...
8648612 Calibration of a distance measuring device  
A device for using electromagnetic pulses to determine a distance to a surface includes a pulse generator, a real time sampler and a calibration unit having a signal generator for generating a...
8643537 Method for processing an echo amplitude profile generated by a pulse-echo ranging system  
A method for considering an echo amplitude profile as a result of convoluting a single echo with a channel response sequence, wherein for multiple echo detection, an estimation task is broken into...
8639457 Method for ascertaining and monitoring fill level of a medium in a container using a travel time measuring method  
A method for ascertaining and monitoring the fill level of a medium in a container via a field device, wherein transmission signals are transmitted toward the medium and are received as reflection...
8570212 Waveguide converter, antenna and radar device  
This disclosure provides a waveguide converter, which includes a first waveguide for propagating an electromagnetic wave, a second waveguide for being inputted the electromagnetic wave from the...
8567243 Method for fill level measurement  
A method for a fill level measurement in which a first and/or a second fill substance can be located. A rest position can be ascertained, when the entire amount of each fill substance in the...
8497799 FMCW-type radar level gauge  
A level gauge using microwaves to determine a distance to a surface of a product in a tank, wherein a measurement signal comprises a first frequency sweep, and a second frequency sweep, and a...
8482295 Electromagnetic bath level measurement for pyrometallurgical furnaces  
Systems and methods for measuring the level of a plurality of phases of a conductive or semi-conductive mixture in a vessel. The systems and method include a vessel configured to hold the mixture,...
8477064 Loop-powered field device  
A loop-powered field device for determining a process variable and providing a measurement signal indicative of the process variable to a remote location via a two-wire current loop, the...
8416124 Frequency synthesizer for a level measuring device and a level measuring device  
A frequency synthesizer for a time base generator of a level measuring device which works according to the radar principle, with at least one first output for output of a first frequency signal,...
8405542 Variable transmission power for fill level measuring  
The transmission power of a fill level radar is varied in that the transmission power is switched, by a signal switch, from a first transmission power to a second transmission power. This...
8350752 Radar level gauge system with bottom reflector and bottom reflector  
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 for generating, transmitting and receiving...
8350751 Radar level gauge with improved radar window  
A radar level gauge for determining the filling level of a product in a tank, comprising a transceiver for transmitting and receiving microwaves, processing circuitry connected to the transceiver...
8339305 Method for detecting an object with a frequency modulated continuous wave (FMCW) ranging system  
In a method for detecting an object with an FMCW (frequency modulated continuous wave) ranging system a superior accuracy and resolution is obtained by determining the strongest sinusoidal...
8319680 Radar liquid level detection using stepped frequency pulses  
The invention relates to a method for accurately determining the level L of a liquid by means of radar signals emitted to the liquid surface and radar signals reflected from the liquid surface....
8279130 Microwave antenna for a level indicator  
Microwave antenna for a level indicator, with an antenna cavity having a radiating aperture which can be closed with an HF-permeable disk that is fixed in position within the antenna cavity by...
8269666 High frequency module for filling level measurements in the W-band  
A high-frequency module is for fill level measuring and for use at frequencies of more than 75 GHz. The high-frequency module comprises a microwave semiconductor, a printed circuit board and a...
8260499 Automatic steering system and method for a work vehicle with feedback gain dependent on a sensed payload  
An automatic steering system for a work vehicle comprises a position sensor for detecting a position of the vehicle, a memory for storing information about a nominal path of the vehicle and a...
8223066 Pulsed radar level gauge system and method with reduced start-up time  
A radar level gauge system for determination of a filling level of a product contained in a tank including first pulse generating circuitry for generating a transmission signal in the form of a...
8217831 System for determining relief on a granule filling surface in a petrochemical reactor  
The invention relates to a system for determining relief on a granule filling surface in a petrochemical reactor, the filling direction in which the reactor is filled defining a vertical...
8184039 Level sensing device  
A level sensing device with a high frequency radar system is provided. The radar system includes a radar high frequency module, a carrier board and a controller. The radar high frequency module is...
8159386 Method for ascertaining and monitoring fill level of a medium in a container by a travel time measuring method  
A method for ascertaining and monitoring fill level of a medium in a container by means of a field device by a travel time measuring method, wherein transmission signals are transmitted in the...
8130139 Radar-based method for measuring a level of material in a container  
Described is a radar-based method for measuring a level of material in a container. Microwaves are emitted to a surface of the material by a radar level gauge, echo waves reflected from the...
8106767 Wireless tag communication system and image forming apparatus  
An antenna outputs query signals to a wireless tag, and receives response signals output from the wireless tag. An intensity detection circuit detects the signal intensity of the response signals....

Matches 1 - 50 out of 290 1 2 3 4 5 6 >