The present disclosure relates to a urine monitoring method adapted to a urine monitoring device and a cloud server. The urine monitoring method includes the urine monitoring device detecting a real-time weight, the urine monitoring device sending the real-time weight to the cloud server through a communication interface, and the cloud server determining whether the real-time weight is less than a lower bound of a current weight or is greater than an upper bound of the current weight. If the real-time weight is either less than the lower bound of the current weight or greater than the upper bound of the current weight, the cloud server sends a signal to set the urine monitoring device as a urine volume warning status.

A water detection system for a fluid storage system includes a housing configured to be disposed in fluid communication with a fluid storage vessel, a water-activated battery disposed within the housing and configured to produce an electrical voltage upon contact with water, and an electronic circuit disposed within the housing and configured to detect water above a threshold within the fluid storage vessel based at least in part on the electrical voltage.

Systems and methods for accurate measurement and transmission of water level parameters during weather events, such as floods, are provided. The solid-state system can effectively measure water level without utilizing moving parts, pumps, or floats and may implement an improved water level determination method that compensates for inherent sources of error. Additionally, the system may be comprised of a network of sensor units that can communicate weather measurements wirelessly via a hybrid mesh network consisting variously of wireless terrestrial radio, cellular, and satellite communication links. By doing so, the status of water level and other environmental parameters may be reported in real time to first responders and emergency planners.

The invention provides a method of driving a vibrating sensor in which the drive signal is combined with an amplitude modulated high frequency carrier. The signal is demodulated at a position adjacent to the component to be driven. This method may be applied to reducing cross-talk between drive and pick-up wire pairs and also to passing both drive and pickup signals, and two drive signals, down the same wire pair.

A method of determining a filling level of a product in a tank using a radar level gauge system comprising a transceiver, an antenna, and processing circuitry, the method comprising the steps of: generating and transmitting a transmit signal; receiving a reflection signal resulting from reflection of the transmit signal; determining based on the transmit signal and the reflection signal, for each surface echo candidate, a first measure indicative of a distance and a second measure indicating a rate-of-change distribution of the distance; assigning one surface echo candidate as most likely to correspond to single reflection of the transmit signal at the surface of the product, based on an evaluation of the second measure for each surface echo candidate; and determining the filling level based on the first measure for the assigned surface echo candidate.

An electronic system comprising an appliance interface and an electronic device couplable to the appliance interface is disclosed. The appliance interface comprises at least one primary appliance terminal, a reference appliance terminal, and a dielectric region separating the at least one primary appliance terminal and the reference appliance terminal. The electronic device comprises at least one primary device terminal configured to connect to the at least one primary appliance terminal, and a reference device terminal configured to connect to the reference appliance terminal. The electronic device is configured to generate and apply an electrical reference signal to the reference appliance terminal and to detect an electrical primary signal from the at least one primary appliance terminal. Further, the electronic device is configured to compare the primary signal with the reference signal, and, in accordance with at least a component of the primary signal being identical to the reference signal, determine that liquid is present in the appliance interface. Thereby, the electronic system can detect a presence of liquid in the appliance interface: only through the presence of (electrically conducting) liquid in the appliance interface can the primary signal, or a component thereof, be identical to the reference signal. The present disclosure further provides a method for detecting presence of liquid in an appliance interface, an appliance interface, and a medical device comprising the electronic system.

A device to measure the material level inside the container includes a housing unit removably attachable to a cap of a container for holding a beverage, wherein the housing unit is configured to remain attached to the cap when the cap is at least partially removed from the container. The device further includes, a signal producing unit located in the housing unit, a first sensor located in the housing unit to sense a beverage level in the container and a controller located in the housing unit. The controller is configured to receive from the first sensor an indication of a beverage level in the container and activate the signal producing unit based at least on the indication of the beverage level in the container.

A glue overflow detection system and method, includes a camera module and a processor. The camera module is configured to capture an image which includes a blue chromaticity image and a red chromaticity image. The processor obtains a chromatic-aberration difference image according to the blue chromaticity image and the red chromaticity image. The processor obtains a block feature image according to the chromatic-aberration difference image. The processor obtains a longitudinal inter-block difference image and a transverse inter-block difference image according to the block feature image. The longitudinal inter-block difference image includes a plurality of longitudinal block difference blocks each of which has a longitudinal difference value. The transverse inter-block difference image includes a plurality of transverse block difference blocks each of which has a transverse difference vale. The processor determines that a glue overflow image exists in the image according to the longitudinal difference values and the transverse difference values.

Methods and systems for sensing a fluid level associated with an engine are described. The method comprises generating an input signal and applying the input signal to a resistive portion and a capacitive portion of a fluid level sensing device, measuring a first varying output of the resistive portion of the fluid level sensing device through a first channel of a controller of the engine, measuring a second varying output of the capacitive portion of the fluid level sensing device through a second channel of the controller of the engine, and translating at least one of the first varying output and the second varying output into a level of fluid and outputting the level of fluid.

A fluid sensing system includes a target positioned at a target level, a first transducer configured to generate a first sound wave, and a second transducer configured to generate a second sound wave. An electronic processor is configured to produce a first signal to drive the first transducer and receive a first indication of a detected first echo from the first transducer. The electronic processor is configured to determine a first level of the fluid and determine whether the first level is less than or equal to the target level. The electronic processor is configured to produce, in response to determining the first level is less than or equal to the target level, a second signal to drive the second transducer, receive a second indication of a detected second echo from the second transducer, and determine a second level of the fluid based on the second indication.