Abstract: A device includes a device input, an output connector configured to connect to a current loop, and current loop transmitter circuitry. The current loop transmitter circuitry receives, via the device input, an input from a dry contact switch, and translates a state of the dry contact switch to a current loop current. The current loop transmitter circuitry transmits the current loop current via the output connector through the current loop.

Abstract: A disclosed method includes: receiving an alarm notification; determining that there is a verification for the alarm notification such that the alarm notification is not a false alarm; and pushing the alarm notification to an emergency network entity along with an indication that the alarm has been verified in response to determining that there is a verification. Another disclosed method includes monitoring an emergency queue at an emergency network entity for incoming queue entries from an emergency data manager; determining correlations for the incoming queue entries based on data associated with each incoming queue entry; and generating a link for each correlated queue entry linking each correlated queue entry to a primary queue entry in response to determining correlations.

Abstract: A method for verifying an alarm condition in an environmental sensing system includes monitoring data received from environmental sensors; detecting anomalous data received from one of the plurality of environmental sensors; determining the context in which the anomalous data was acquired is consistent with typical usage activities; and providing an alarm condition alert when the determined context is not consistent with typical activities. A system for intelligently monitoring environmental conditions includes environmental sensors configured to monitor first and second environmental conditions and to communicate with an intelligent analysis module.

Abstract: A verification platform may include a data connection to receive a stream of industrial asset cyber-attack detection algorithm data, including a subset of the industrial asset cyber-attack detection algorithm data. The verification platform may store the subset into a data store (the subset of industrial asset cyber-attack detection algorithm data being marked as invalid) and record a hash value associated with a compressed representation of the subset of industrial asset cyber-attack detection algorithm data combined with metadata in a secure, distributed ledger.

Abstract: Techniques for presenting historized process parameter values in a process plant include presenting, via a user interface of an operator application, indications of process control elements in a first display region within a layout of a display view. Each of the process control elements is associated with one or more process parameters. The operator application also presents a trend display view in a second display region within the layout of the display view. The trend display view includes sets of historized process parameter values for process parameters presented in the first display region. For example, the trend display view in the second display region is linked to the display view in the first display region. In this manner, the trend display view presents charts or other graphical depictions of historized process parameter values for process parameters included in the first display region.

Abstract: The present disclosure provides a physiological monitoring system that includes at least one physiological sensor indicative of a physiological condition of a patient, the at least one sensor worn by a patient. Sensors can include one or more optical sensors configured to measure a physiological parameter, such as total hemoglobin, SpO2, methemoglobin, carboxyhemoglobin, and the like. A monitoring system can receive measured information from the sensor and determine if the physiological condition of the user indicates an urgent medical need. When the physiological condition of the user indicates an urgent medical need, the electronic device can generate an alert.

Abstract: The present disclosure generally relates to validation processes in wind turbines, as well as controllers and wind turbines implementing the same. In one aspect, a method of validating smoke detection in a smoke detection system includes receiving an indication of smoke detection, determining a first temperature of a temperature sensor, and beginning a heat validation operation. The heat validation operation includes initiating a timer after determining the first temperature, and determining if a current temperature of the temperature sensor has increased a predefined amount relative to the first temperature. If the current temperature of the temperature sensor has increased a predefined amount relative to the first temperature, performing at least one of tripping a switchgear and activating an alarm.

Abstract: A detection circuit includes a photosensitive device, a first storage sub-circuit, a second storage sub-circuit group, and an output control sub-circuit. The photosensitive device is coupled to a device voltage terminal and an output node. The first storage sub-circuit is coupled to the output node and a first voltage terminal. The second storage sub-circuit group is coupled to the output node, a second voltage terminal group and a second control signal terminal group. The output control sub-circuit is coupled to a signal receiving terminal, a first control signal terminal, and the output node.

Abstract: The present invention relates to a precise predictive maintenance method for a driving unit and a configuration thereof includes a first base information collecting step S10 of collecting change information of an energy size; a second base information collecting step S20 of connecting a peak interval between a starting point and an ending point; a setting step S30 of setting an alarm gradient value, and a detecting step S40 of detecting the driving unit as an abnormal state.

Abstract: A method for verifying an alarm condition in an environmental sensing system includes monitoring data received from environmental sensors; detecting anomalous data received from one of the plurality of environmental sensors; determining the context in which the anomalous data was acquired is consistent with typical usage activities; and providing an alarm condition alert when the determined context is not consistent with typical activities. A system for intelligently monitoring environmental conditions includes environmental sensors configured to monitor first and second environmental conditions and to communicate with an intelligent analysis module.

Abstract: Systems and methods for adjusting a broadcast pattern of an intrusion detector are provided. Such systems and methods can include a microwave sensor of the intrusion detector broadcasting a detection signal into a secured area in the broadcast pattern, a communication module of the intrusion detector wirelessly receiving a signal adjustment command from a remote device, and a processor and executable control software of the intrusion detector parsing the signal adjustment command and instructing a signal adjuster of the intrusion detector to adjust a sensitivity of the microwave sensor or an amplitude of the detection signal to alter the broadcast area of the broadcast pattern based on information contained in the adjustment command.

Abstract: A storage device includes a nonvolatile memory device, and a controller that reads first data from the nonvolatile memory device. When a number of first errors of the first data is not smaller than a first threshold value, the controller determines whether the first errors include timing errors arising from a variation of signal transmission timings between the nonvolatile memory device and the controller and performs a retraining operation on the signal transmission timings when the first errors include the timing errors.

Abstract: Systems and methods for using multi-criteria state machines to manage alarming states and pre-alarming states of a hazard detection system are described herein. The multi-criteria state machines can include one or more sensor state machines that can control the alarming states and one or more system state machines that can control the pre-alarming states. Each state machine can transition among any one of its states based on sensor data values, hush events, and transition conditions. The transition conditions can define how a state machine transitions from one state to another. The hazard detection system can use a dual processor arrangement to execute the multi-criteria state machines according to various embodiments. The dual processor arrangement can enable the hazard detection system to manage the alarming and pre-alarming states in a manner that promotes minimal power usage while simultaneously promoting reliability in hazard detection and alarming functionality.

Abstract: A remote controllable monitoring system includes a movable sensor to monitor characteristic(s) of electrical components of equipment housed at different locations inside of an electrical enclosure. The movable sensor is movably mounted inside of the electrical enclosure. The monitoring system can also control the power supplied to the electrical components (e.g., turn power ON or OFF). A remote device interacts with the monitoring system to provide a user with remote control over the functions of the monitoring system. The remote device can include an interactive user interface with a virtual map of the electrical components. Accordingly, the user can monitor electrical components and turn OFF power to the electrical components if a problem or perspective problem is detected, via the interactive user interface of the remote device without opening or being near the electrical enclosure.

Abstract: A system and method are described for determining properties of particulates. The device collects particulates on the surface of an oscillating balance and compares the natural resonant frequency of the balance with the particulates with a balance without particulates. In addition, the collected particulates are illuminated with light that is absorbed by the particulates. This causes the balance to heat up, affecting the natural resonant frequency. A comparison of the natural resonant frequencies reveals optical properties of the collected particulates, which may be used to speciate the particulates.

Abstract: A method for passive optical motion detection uses an optical sensor arrangement comprising an optical sensor having at least one signal channel. The optical sensor arrangement is initialized for repeated signal acquisition and an initial frame comprising a tuple of sensor data is collected from the at least one signal channel. The initial frame is set as a previous frame. A loop of motion detection is entered and the following steps are repeated. First, a current frame comprising another tuple of sensor data is collected from the at least one signal channel. Then, a motion parameter is computed from a motion metric depending on the current and previous frames. The so computed motion parameter is compared with a threshold value. A motion event parameter is set depending on the comparison of the motion parameter with the threshold value. The current frame is set as previous frame so that the loop can start all over again.

Abstract: Disclosed are a system and method for monitoring photovoltaic power generation, which may enhance compatibility with the existing legacy system by enabling data integration between monitoring systems that use different kinds of protocols on the basis of a meta-model and may automatically generate code for processing data and automatically generate a program for processing a protocol through the generated code, thus allowing even a user who does not know the protocol well to easily connect devices.

Abstract: A thermal sensor for an aircraft includes a first electrode, a second electrode, a support layer disposed between the first electrode and the second electrode, and a state changing material is configured to disposed within the support layer, wherein the state changing material transitions between a non-conductive state to a conductive state at a threshold temperature to electrically connect the first and second electrodes.

Abstract: A control system including an input component configured to receive an input and generate control information in response to the input; a communication link coupled to the input component; and a plurality of control components, each of the control components coupled to the input component through the communication link and configured to receive the control information and to actuate an associated actuator in response to the control information.

Abstract: A method for verifying an alarm condition in an environmental sensing system includes monitoring data received from environmental sensors; detecting anomalous data received from one of the plurality of environmental sensors; determining the context in which the anomalous data was acquired is consistent with typical usage activities; and providing an alarm condition alert when the determined context is not consistent with typical activities. A system for intelligently monitoring environmental conditions includes environmental sensors configured to monitor first and second environmental conditions and to communicate with an intelligent analysis module.

Abstract: A communication device comprises a processing circuit having at least two modes, a sleep mode and an awake mode, a wireless communications circuit that can wirelessly send a message as to whether an alarm has been triggered, and a passive sensor, powered by audio signals impinging on the passive sensor, that provides at least an approximation of an audio signal to the processing circuit so as to cause the processing circuit to switch between the at least two modes. The communication device can be housed in a housing sized to fit into a battery compartment.

Abstract: A motion detection method is provided. The provided method includes the following steps: setting an expected detection range; obtaining a plurality of testing detection signals according to the expected detection range, where the obtained testing detection signals correspond to a plurality of expected detection results; and generating a determination parameter set according to the testing detection signals and the corresponding expected detection results. In addition, a motion detection device using the motion detection method is also provided.

Abstract: In embodiments of the present invention improved capabilities are described for an antenna-based detection method and system for sensing an environmental change condition. The method and system is adapted such that the states comprising the environmental change condition are capable of being determined at the location of the detection point utilizing only the magnitude component of the antenna impedance as altered by the discrete change in the environmental condition.

Abstract: Methods and apparatus for providing multi-stage signal amplification in a medical telemetry system are provided.

Abstract: Apparatus and methods are described including apparatus for monitoring a female subject that includes a sensor, configured to monitor the subject without requiring compliance of the subject, and to generate a sensor signal in response to the monitoring. A computer processor is configured to receive the sensor signal, analyze the sensor signal, in response to the analyzing, identify whether the subject is in a pregnant state or a non-pregnant state, and generate an output in response thereto. Other applications are also described.

Abstract: Methods, systems, apparatuses, and computer program products are provided for connecting sensor devices to cloud servers by a gateway device. The gateway device includes a plurality of sensor adaptors, a sensor data processor, and a network communication interface. The sensor adaptors are configured to receive sensor data in communication signals from sensor devices. Each sensor adaptor is configured to extract sensor data encapsulated according to a respective sensor communication protocol. The sensor data processor is configured to process the extracted sensor data for transmission to a cloud service, such as by extracting unneeded messages data, or inserting additional data such as a time stamp. The network communication interface is configured to transmit the processed sensor data to the cloud service over a network according to a network communication protocol. Sensor data of different types may be transmitted according to corresponding types of network communication protocols.

Abstract: A motion sensor includes a sensor element to sense a motion, and a controller communicably coupled to the sensor element. The controller is configured to set a detection sensitivity of the motion sensor to a maximum setting of the detection sensitivity. The controller is further configured to decrease the detection sensitivity of the motion sensor upon a detection of the motion until the motion is undetectable by the motion sensor at a decreased setting of the detection sensitivity. The controller is further configured to increase the detection sensitivity of the motion sensor until the motion sensor detects the motion at an increased setting of the detection sensitivity and to set the detection sensitivity of the motion sensor to a new setting based on the increased setting.

Abstract: Embodiments of the Invention provide real-time portable, deployable data acquisition units and monitoring consoles that can be used in combination with radio communication technology to provide for monitoring of wildfires and local weather conditions to aid in fighting wildfires.

Abstract: Disclosed is a system and method for measuring a health index of a plant in which a condition of a lower level component is reflected. The actual measurement values of lower level components are reflected to the health index such that, when an actual measurement value of a certain component deviates from a normal range, if the deviation is less likely to trip the plant, the actual measurement value of the component has a minimal influence on the health index. The condition of the plant can be more easily and conveniently monitored based on only the health index of the uppermost level layer.

Abstract: In an approach for utilizing photographic metadata for automated photographic setup, a computer receives photographic metadata. The photographic metadata is contained within an image file. The computer transmits configuration information to one or more photographic devices in a photographic setup. The configuration information is based on the photographic metadata. The computer receives a configuration update from the one or more photographic devices in the photographic setup. The computer determines whether the one or more photographic devices in the photographic setup are configured correctly, based on at least comparing the configuration update to the photographic metadata.

Abstract: A barrier alarm device for reducing the number of false alarms that may occur in a home security system. In one embodiment, a barrier alarm device, such as a door or window sensor, determines whether a barrier, such as a door or a window, has been opened, determines whether a human being is in proximity to the door or window inside a monitored premises. If a human being is inside the monitored premises when the door or window is opened, it indicates that the human being is authorized to be inside the monitored premises, and an alarm signal is not transmitted to a central security panel, thus reducing false alarms.

Abstract: Securing communications from a process plant to a remote system includes a data diode disposed there between that allows data to egress from the plant but prevents ingress of data into the plant and its associated systems. Process plant data from the secure communications is then analyzed to detect conditions occurring at process plant entities in the process plant using various machine learning techniques. When the process plant entity is a valve, the mode of operation for the valve is determined and a different analysis is applied for each mode in which a valve operates. Additionally, the process plant data for each valve is compared to other valves in the same process plant, enterprise, industry, etc. Accordingly, the health of each of the valves is ranked relative to each other and the process plant data for each valve is displayed in a side-by-side comparison.

Abstract: Various embodiments of a programmable barrier alarm are described.

Abstract: A thermal sensor for an aircraft includes a first electrode, a second electrode, a support layer disposed between the first electrode and the second electrode, and a state changing material is configured to disposed within the support layer, wherein the state changing material transitions between a non-conductive state to a conductive state at a threshold temperature to electrically connect the first and second electrodes.

Abstract: Securing communications from a process plant to a remote system includes a data diode disposed there between that allows data to egress from the plant but prevents ingress of data into the plant and its associated systems. Process plant data from the secure communications is then analyzed to detect conditions occurring at process plant entities in the process plant using various machine learning techniques. When the process plant entity is a valve, the mode of operation for the valve is determined and a different analysis is applied for each mode in which a valve operates. Additionally, the process plant data for each valve is compared to other valves in the same process plant, enterprise, industry, etc. Accordingly, the health of each of the valves is ranked relative to each other and the process plant data for each valve is displayed in a side-by-side comparison.

Abstract: A communication device comprises a processing circuit having at least two modes, a sleep mode and an awake mode, a wireless communications circuit that can wirelessly send a message as to whether an alarm has been triggered, and a passive sensor, powered by audio signals impinging on the passive sensor, that provides at least an approximation of an audio signal to the processing circuit so as to cause the processing circuit to switch between the at least two modes. The communication device can be housed in a housing sized to fit into a battery compartment.

Abstract: A security sensor including a processor, communication module, antenna, and tamper detection circuit, wherein the sensor is configured to detect tampering based at least in part on a difference between an electrical characteristic of a first signal and the electrical characteristic of a second signal.

Abstract: Methods and apparatus for providing multi-stage signal amplification in a medical telemetry system are provided.

Abstract: A method includes forming a housing having a ceiling portion and a smoke permeable wall portion. The ceiling portion of the housing has a first aperture and a second aperture. The method includes mounting a circuit board to the housing so that the housing and the circuit board collectively define a smoke chamber that is bounded by the ceiling portion, the smoke permeable wall portion and the circuit board. The method includes placing an emitter in the first aperture and placing a detector in the second aperture. The emitter defines an emitting region in the smoke chamber and the detector defines a detecting region in the smoke chamber. In a typical implementation, the detecting region at least partially intersects the emitting region in the smoke chamber, and the emitter and the detector are disposed substantially outside the smoke chamber.

Abstract: A physiological trend monitor has a sensor signal responsive to multiple wavelengths of light transmitted into a tissue site. The transmitted light is detected after attenuation by pulsatile blood flow within the tissue site. A processor has an input responsive to the sensor signal and a physiological parameter output. Features are extracted from the physiological parameter output. Criteria are applied to the features. An alarm output is generated when the criteria are satisfied.

Abstract: A physiological trend monitor has a sensor signal responsive to multiple wavelengths of light transmitted into a tissue site. The transmitted light is detected after attenuation by pulsatile blood flow within the tissue site. A processor has an input responsive to the sensor signal and a physiological parameter output. Features are extracted from the physiological parameter output. Criteria are applied to the features. An alarm output is generated when the criteria are satisfied.

Abstract: A temperature measuring device includes a heat plate exposed to the ambient, one or more sensor chips, and one or more device electronics that include a power transmitter, a wireless communication receiving block, and a processor. Each sensor chip includes a wireless communication transmitting block, a temperature sensor, a signal processing block, and an energy harvesting circuit. The heat plate and the sensor chips are positioned within an indent formed in an exposed surface of a device cover, such as a glass cover. The energy harvesting circuit harvests energy from an electromagnetic signal transmitted by the power transmitter. Temperature data sensed by each temperature sensor is wirelessly transmitted by the wireless communication transmitting block to the wireless communication receiving block. The processor determines an ambient temperature corrected for heat influences on the temperature sensors by internal device electronics.

Abstract: Various embodiments of a programmable barrier alarm are described. In one embodiment, a programmable barrier alarm comprises a magnet and a sensor, the sensor comprising a magnetic field detector for sensing a magnetic field produced by the magnet and for producing an electronic signal associated with the magnetic field, a processor, and, a memory for storing an alarm threshold value and processor-executable instructions that, when executed by the processor, cause the sensor to, in a calibration mode of operation, calculate the alarm threshold value based on a first magnetic field sensed by the magnetic field detector when the barrier is in the closed position, and in a normal mode of operation, compare the electronic signal from the magnetic field detector to the alarm threshold value, and generate an alarm signal if the electronic signal falls below the alarm threshold value.

Abstract: Methods and apparatus for providing multi-stage signal amplification in a medical telemetry system are provided.

Abstract: Methods and apparatus for measuring the cleanliness of molten metals. Direct current is passed between electrodes through molten metal advancing through a passage in an electrically resistive wall. A voltage signal is analyzed for the presence of solid generally non-metallic inclusions in the metal. Direct current is supplied by one or more ultra-capacitors and the decay in discharge voltage of the capacitor(s) is compensated for by passing the current from each capacitor through a resistor ladder network circuit having resistors connected in parallel. Individual resistors are switched on or off in a sequence effective to change the resistance of the circuit and maintain the current within a predetermined range. Heat generation and noise pick-up are minimized by maintaining a low discharge voltage and measurement current while using FETs only in the fully ON or OFF conditions to switch the resistors into or out of the circuits.

Abstract: An electronic device with a display, processor(s), and memory displays a video monitoring user interface including a video feed from a camera located remotely from the client device in a first region and an event timeline in a second region, the event timeline including event indicators for motion events previously detected by the camera. The electronic device detects a user input selecting a portion of the event timeline, where the selected portion of the event timeline includes a subset of the event indicators. In response to the user input, the electronic device causes generation of a time-lapse video clip of the selected portion of the event timeline. The electronic device displays the time-lapse video clip, where motion events corresponding to the subset of the event indicators are played at a slower speed than the remainder of the selected portion of the event timeline.

Abstract: A system includes a risk assessment system. The risk assessment system includes a risk calculation system configured to calculate a risk based on one or more static inputs and one or more dynamic inputs. The one or more dynamic inputs includes a location of a human resource, a mobile resource, or a combination thereof. The risk assessment system further includes a decision support system (DSS) configured to use the risk to derive one or more decisions based on the risk, the one or more static inputs, and the one or more dynamic inputs. The one or more decisions are configured to aid in operating an industrial facility.

Abstract: According to one embodiment, a hazard detector may include a back plate and a front casing coupled to the back plate to define a housing having an interior region and an opening through which air flows into the interior region. A circuit board may be coupled to the back plate and have a plurality of components mounted thereon. A smoke chamber may be mid-mounted on the circuit board, mid-mounting being characterized in the smoke chamber extending through a hole formed in the circuit board such that a top surface of the smoke chamber is positioned above a top surface of the circuit board and a bottom surface of the smoke chamber is positioned below a bottom surface of the circuit board, whereby an interior region of the smoke chamber is accessible to smoke from both the top and bottom surfaces of the circuit board.

Abstract: Methods and apparatus for providing multi-stage signal amplification in a medical telemetry system are provided.

Abstract: A home automation and security system is provided in which a home automation and security controller in a customer premises is coupled with a remotely located central control facility using a continuous connectivity access line providing a data channel separate from a voice channel. The controller at the customer premises is responsible for monitoring and applying control signals to devices in the home and for supporting a human interface. The remotely located central control facility is responsible for providing the computational and database resources to the controller. By redistributing functionality, the network-based structure of this home automation and security system can overcome the disadvantages of conventional home automation and security systems.