Abstract: A driver circuit and a method of supplying a constant current to the light emitter of the smoke detector are disclosed. The driver circuit includes a transistor, and a controller. The collector terminal of the transistor is connected to the light emitter and a resistor is connected to the emitter terminal. During the manufacturing stage, the controller monitors and stores the values of first base voltage to be supplied to the base terminal to supply a constant current to the light emitter, and first resistor voltage across the resistor when the first base voltage is supplied to the base terminal. Before each smoke detection process, the controller processes the stored data and adjusts the base voltage to be supplied to the base terminal to enable the transistor to supply the constant current to the light emitter, regardless of the temperature around the smoke detector.

Abstract: The safety system includes at least one vehicle unit and at least one counter unit. The counter unit includes at least a radio-signal transceiver (4). The vehicle unit includes a radio-signal transceiver (4), at least two directional antennas (5) directed in a first direction, an omnidirectional antenna (8), and an alarm unit (11). By utilizing the directional antennas (5), the vehicle unit is configured to determine a distance between the vehicle unit and the counter unit. The directional antennas (5) directed in the first direction are arranged at a distance from each other, whereby the vehicle unit is configured, by utilizing the directional antennas (5) in question, to determine a direction of the location of the counter unit in addition to the distance between the vehicle unit and the counter unit. By utilizing the omnidirectional antenna (8), the vehicle unit is configured to determine a distance between the vehicle unit and the counter unit.

Abstract: There is provided a method of locking a non-combustible aerosol provision system. The method can include receiving user input representative of a request to lock the non-combustible aerosol provision system after a given period of time, and allowing the non-combustible aerosol provision system to be used to generate aerosols during the given period of time. The method further can include locking, in response to determining that the given period of time has elapsed, the non-combustible aerosol provision system to prevent the non-combustible aerosol provision system from being used to generate aerosols.

Abstract: Systems and method for a manufacturing environment, including storing collected sound data from at least one sound collection device; converting the stored collected sound data from analog sound data to digital sound data; extracting human sound data from the digital sound data; extracting environmental sound data from the digital sound data; executing word detection on the human sound data; executing emotion analysis from the extracted human sound data; and for analysis of the word detection and the emotion analysis indicative of an emergency: controlling one or more associated machines in the manufacturing environment in response to the emergency, wherein a location of the one or more associated machines is derived from the environmental sound data.

Abstract: A method of estimating life of a nickel-metal hydride battery that accommodates a positive electrode plate and a negative electrode plate facing the positive electrode plate with a separator therebetween and containing a hydrogen absorbing alloy together with an electrolyte is disclosed. A charge phase of charging the nickel-metal hydride battery and a discharge phase of discharging the nickel-metal hydride battery after the charge phase constitutes one cycle for charge/discharge of the nickel-metal hydride battery. The method includes: determining a rate of change after one charge/discharge cycle of a surface area of the negative electrode plate which is a boundary face in contact with the electrolyte, and determining an amount of corrosion of the hydrogen absorbing alloy based on the rate of change accumulated for n charge/discharge cycles to estimate the life of the nickel-metal hydride battery based on the amount of corrosion.

Abstract: The present specification provides a method for implementing personal safety functionalities. The method comprises collecting sensor data from at least one sensor of a device and executing by a processing unit of the device a safety risk prediction algorithm. The algorithm uses inputs comprising the sensor data to determine a safety risk indicator where the safety risk indicator is indicative of whether a user of the device is exposed to a safety risk presented by at least one person in the vicinity of the user of the device. The method further takes at least one action by the processing unit of the device when the indicator indicates that the user is exposed to a safety risk. The present also provides a safety device, and instructions to be executed by a processing unit.

Abstract: The disclosure relates to a roadside device and a method for providing mobility-as-a-service. The roadside device includes a notification unit and a control unit. The control unit determines an operating state of the roadside device, and performs a notification process to the notification target person according to the determined operating state.

Abstract: An overdose of opioids can cause the user to stop breathing, resulting in death. A physiological monitoring system monitors respiration based on oxygen saturation readings from a fingertip pulse oximeter in communication with a smart mobile device and sends opioid monitoring information from the smart mobile device to an opioid overdose monitoring service. The opioid overdose monitoring service notifies a first set of contacts when the opioid monitoring information indicates a non-distress stats and notifies a second set of contact when the opioid monitoring information indicates an overdose event. The notification can be a phone call or text message to a specified person, emergency personnel, or first responders, and can include the location of the smart mobile device. The smart mobile device can also include the location of the nearest treatment center having emergency medication used in treating opioid overdose, such as naloxone.

Abstract: A roadside personnel safety system including a body-worn device assembly. The body-worn device assembly includes a microcontroller, a sensor, lights, a speaker, and haptic motors embedded in a device housing. The sensor detects possible hazardous vehicles passing near a work zone/emergency zone. The microcontroller actuates the lights, the speaker and the haptic motors when a vehicle is detected by the sensor. The microcontroller has a GPS integrated to determine the location of a wearer. The microcontroller is in communication with passing vehicles to alert the passing vehicles about the work zone/emergency zone, emergency zone, police officers, or tow truck operators in a road. The body-worn device assembly is aided by a sensing assembly including sensors to aid the detection of hazardous vehicles passing near the work zone/emergency zone.

Abstract: A method for making a support element for the human body equipped with a first component or support component, a second component or padding component, wherein at least the second component or padding component is obtained by means of a three-dimensional printing technique; and an apparatus for implementing the method for obtaining the support element and support element thus obtained.

Abstract: A method for implementing a full waveform inversion (FWI) process using angle gathers includes; receiving observed seismic data associated with a subsurface region and captured by one or more seismic receivers, constructing based on the observed seismic data, a scalar velocity model and one or more vector velocity model partitions, where the one or more vector velocity model partitions correspond to one or more unique seismic angles. The method further includes determining one or more vector gradients using the scalar velocity model and the observed seismic data, and updating the one or more vector velocity model partitions using the one or more vector gradients.

Abstract: A method for the classification of geological materials into similar facies includes: determining the elemental metric for each geological sample from a geographical location; determining a colour metric for each geological sample from a geographical location; setting an initial classification framework based on the availability and quality of the colour metric; using the initial classification framework as the target for a machine learning process; applying the trained machine learning process on geological samples from another geographical location for the classification of said geological samples from another geographical location.

Abstract: The present invention provides a bridge device which allows for communication between two external devices (e.g. an initiating device and a control device) which use different first and second data encoding schemes, without the need to modify either of the devices. In particular, the bridge device has two communication interfaces which can communicate with the respective external devices, and a processor which can translate data from the first data encoding scheme to the second data encoding scheme, and vice versa.

Abstract: A computer-implemented method and system for generating reminder using a screenless wearable device, is disclosed. The screenless wearable device is configured to activate, by a microcontroller unit (MCU), a microphone to execute press-to-listen interaction in response to users providing the inputs through input button. The screenless wearable device is further configured to capture, by the microphone, natural speech of the users during a pre-defined time duration. The screenless wearable device is further configured to analyze, by the MCU, pre-defined code words and phrases from captured natural speech. The screenless wearable device is further configured to transmit, by the transceiver, an audio associated with natural speech to communication devices through communication technologies. The communication devices are configured to generate reminders based on the audio associated with natural speech, using an AI model.

Abstract: A safety system comprising a number of sensors connected to a control box is provided, where the status of the system is displayed on the control box by a plurality of indicators in two categories, where the system may be in three modes, wherein in a first mode all indicators in a first category are “on” indicating that a machine on which the safety system is arranged is in operation mode, a second mode where all indicators in the second category are “on” indicating that the machine on which the safety system is arranged is in service mode and a third mode where all indicators are “off” for both categories indicating that the machine on which the safety system is arranged is not being tested by the safety system.

Abstract: A notification device carried by a user includes a control unit capable of switching between the first mode and the second mode. The first mode is a mode in which the position information indicating the position of the notification device is transmitted to the predetermined external device in the first cycle, and the reminding notification is transmitted when the transmission condition of the reminding notification that prompts the user to perform the safety action is satisfied. The second mode is a mode in which position data is transmitted to a predetermined external device in a second cycle longer than the first cycle, and transmission of a reminder notification is made OFF.

Abstract: A battery characteristic estimating device including: an acquisition unit configured to acquire time series data including at least a current value and a voltage value of a battery; a data filtering unit configured to extract data in which a voltage change due to charging/discharging is small from the acquired time series data as estimation data; and an OCV curve estimating unit configured to estimate an OCV curve representing an open circuit voltage for a discharge capacity calculated on the basis of the current value of the battery on the basis of the estimation data extracted by the data filtering unit.

Abstract: A vehicle including a sensor unit and a processor is disclosed. The sensor unit may be configured to capture sensor inputs associated with an object to be monitored in proximity to the vehicle. The processor may be configured to obtain user inputs indicating the object to be monitored, and obtain the sensor inputs from the sensor unit responsive to obtaining the user inputs. The processor may further monitor an object state based on the sensor inputs, and determine a change in the object state based on the monitoring. The process may output an alert notification responsive to determining the change in the object state.

Abstract: A system includes a belt that is adjustable between a secured state where there is at least a threshold level of tension across the belt, and an unsecured state where there is less than the threshold level of tension across the belt. The system also includes a first antenna, a second antenna, and an alert. The first antenna is disposed at the belt, operable to transmit and receive wireless communications, and operable at a resonant frequency with the belt in the secured state and inoperable at the resonant frequency with the belt in the unsecured state. The second antenna is disposed remote from the belt and operable to transmit and receive wireless communications at the resonant frequency. The alert is generated based on receiving a wireless communication from the first antenna at the second antenna when the resonant frequency is achieved, indicating the belt is in the secured state.

Abstract: A velocity feature-vector data acquirer (225) acquires velocity feature vector data (SVF) containing detected velocity data (SV) indicating a chronological series of velocities of a fishing craft and velocity dispersion data (SVb) indicating a chronological series of dispersions of the velocities of the fishing craft. An activity estimator (241) executes, based on the velocity feature vector data (SVF), an activity identifying process for identifying whether the fishing craft is during travel or fishing operation, and outputs activity identification result data (AD) indicating a chronological series of identification results in the activity identifying process.