The present invention provides a sensor assembly for a magnetostrictive transmitter. The sensor assembly includes a holder, a substrate, a piezoelectric crystal, and a magnetostrictive wire. The piezoelectric crystal includes an inner surface. The piezoelectric crystal further includes a groove extending in the inner surface. A portion of the magnetostrictive wire is operable to be receive in the groove in the inner surface of the piezoelectric crystal.

Disclosed is a digital liquid level sensor based on a magnetoresistive sensor cross-point array, including: a plurality of TMR magnetic sensor chips; a microcontroller, a row decoder, and a column decoder, wherein the microcontroller is electrically connected to the row decoder and the column decoder, the TMR magnetic sensor chips include a plurality of MTJ elements, diodes are connected between each row of MTJ elements and a row lead or a column lead, the TMR magnetic sensor chips are addressed by means of data decoded by the row decoder and the column decoder and on the basis of the equation Address=m+[M×(n−1)], Address representing an address value, and m representing the value of a current row, and the microcontroller is used for scanning addresses of the TMR magnetic sensor chips for the address of an MTJ element in the highest active state, converting the address value into a liquid level value in a linear proportional relationship therewith, and transmitting the liquid level value to an output interface; and a permanent magnet and a protective tube. The power consumption of a sensor element is greatly minimized by powering only one sensor chip element each time.

Disclosed is a digital liquid level sensor based on a magnetoresistive sensor cross-point array, including: a plurality of TMR magnetic sensor chips; a microcontroller, a row decoder, and a column decoder, wherein the microcontroller is electrically connected to the row decoder and the column decoder, the TMR magnetic sensor chips include a plurality of MTJ elements, diodes are connected between each row of MTJ elements and a row lead or a column lead, the TMR magnetic sensor chips are addressed by means of data decoded by the row decoder and the column decoder and on the basis of the equation Address=m+[M×(n−1)], Address representing an address value, and m representing the value of a current row, and the microcontroller is used for scanning addresses of the TMR magnetic sensor chips for the address of an MTJ element in the highest active state, converting the address value into a liquid level value in a linear proportional relationship therewith, and transmitting the liquid level value to an output interface; and a permanent magnet and a protective tube. The power consumption of a sensor element is greatly minimized by powering only one sensor chip element each time.

A system, method, and apparatus is provided for magnetostrictive position detectors to compensate fluid level measurements for temperature conditions associated with the process without the use of a built-in or external stand-alone temperature sensor. Also disclosed is an algorithm to compensate for temperature conditions associated with the process by determining thermal error coefficients for temperature compensation that are proportional to the process temperature via digital processing of the signals of the position detector.

A system, method, and apparatus is provided for magnetostrictive position detectors to compensate fluid level measurements for temperature conditions associated with the process without the use of a built-in or external stand-alone temperature sensor. Also disclosed is an algorithm to compensate for temperature conditions associated with the process by determining thermal error coefficients for temperature compensation that are proportional to the process temperature via digital processing of the signals of the position detector.

A liquid product distribution network includes a keg distribution monitoring and reporting apparatus associated with a keg. The apparatus includes a radio transmitter device and sensing circuitry for sensing and communicating physical properties associating with the keg. A top or bottom chime of keg physically protects the sensing circuitry during keg distribution in the keg distribution network. The apparatus also includes a battery power supply unit fitted within and protected by the top or bottom chime. The apparatus further includes a unique identifier associated with the sensing and reporting device. The apparatus further includes a mobile communications device is configured to identify the keg based on the unique identifier associated with the sensing and reporting device embedded therein, and receive and process the radiofrequency signals from the radiofrequency signal transmission circuitry of the identified keg passively and without user interaction, for monitoring the physical properties and location of the keg.

A filling level indicator for determining a filling level in a tank, having a resistor network, a contact element, and a magnetic element. The contact element is spaced apart from the resistor network and the magnetic element is movable relative to the resistor network and the contact element. The contact element has a contact region deflectable by the magnetic element. An electrically conductive connection between the contact region and the resistor network is produced by deflection of the contact region. The contact region is formed by a planar tape-shaped element and the contact region has contact portions that are spaced apart from one another in the circumferential direction. The contact portions are separated from one another by separation regions.

A communication system provides feedback data for at least one water consuming device. The communication system includes a data collection interface, a controller, and an output interface. The data collection interface is configured to receive user data from at least one collection device. The controller is configured to perform an analysis of the user data from the at least one collection device. The output interface is configured to provide feedback data based on the analysis of the user data to a water consuming device.

Disclosed is a seepage meter device, which is capable of detecting groundwater seepage fluxes to surface water bodies in a variety of aquatic environments. The device comprises a seepage meter body and an electronics component.

Disclosed is a seepage meter device, which is capable of detecting groundwater seepage fluxes to surface water bodies in a variety of aquatic environments. The device comprises a seepage meter body and an electronics component.