Abstract: The purpose of the present invention is to provide a hazard prediction method that can perform hazard prediction activities so as to prevent accidents, regardless of skills and personalities of workers.

Abstract: Some systems include an electromagnetic imaging tool configured to receive electromagnetic radiation, a communication interface, a processor in communication with the electromagnetic imaging tool and the communication interface, and a housing. Systems can include a first sensor head having a first plurality of acoustic sensor elements arranged in a first acoustic sensor array. The communication interface can provide communication between the processor and the sensor head via wired or wireless communication. The communication interface can comprise a docking port in communication with the processor and configured to removably receive a corresponding docking mechanism of the first sensor head. Some systems may include a second sensor head having a second plurality of acoustic sensor elements. The second sensor head may be interchangeably connectable to the communication interface and/or the first sensor head.

Abstract: Air distribution nozzles, aircraft that include air distribution nozzles, and methods of utilizing air distribution nozzles are disclosed herein. The air distribution nozzles include an elongate inlet chamber, an elongate outlet chamber, and an elongate slot that extends between, and fluidly interconnects, the elongate inlet chamber and the elongate outlet chamber. The air distribution nozzles also include a suction inlet chamber that extends from a suction inlet port to the elongate inlet chamber. The suction inlet port opens into the suction inlet chamber. The air distribution nozzles further include a motive fluid inlet port that extends into the elongate inlet chamber. The air distribution nozzles also include a sensor port that extends into the suction inlet chamber. The air distribution nozzles further include an elongate outlet port that extends from the elongate outlet chamber.

Abstract: A system for monitoring of temperature trends for particles moving along a path of movement from a first position to a second position includes a sensor arrangement and processing device. The sensor arrangement includes at least two sensing elements detecting radiation emitted from the particles, arranged to co-operate with mutually separated sensing zones along the path of movement of the particles to detect a signal related to the temperature of particles. The processing device is arranged to: receive signals from the sensor arrangement; form signals from the at least one set of sensing elements into at least one pulse train when a particle moves through the field-of-view of the sensor arrangement; and based on this at least one pulse train monitor changes over time in the temperature of particles moving through the field-of-view of the sensor arrangement by monitoring changes over time in the wavelength distribution of the radiation emitted from the particles.

Abstract: A motor vehicle includes at least one camera capturing images of an environment outside of the motor vehicle. A proximity sensor detects an object disposed adjacent to the motor vehicle. An electronic processor receives the images captured by the at least one camera, and receives a proximity signal from the proximity sensor. The proximity signal is indicative of whether an object is disposed adjacent to the motor vehicle. The electronic processor determines, based upon the images captured by the at least one camera and the proximity signal, whether the motor vehicle is disposed within an enclosure. The electronic processor receives an engine start request signal that has been wirelessly transmitted by a user. In response to receiving the engine start request signal, the electronic processor causes the engine start system to start an engine of the motor vehicle when the motor vehicle is not disposed within an enclosure.

Abstract: A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.

Abstract: The present disclosure discloses a device for detecting and alerting of a fire at the vicinity thereof. The device is deployed in an area at the outdoors, e.g. a forest, that is desired to be monitored. The device has two main parts, a first part that is intended to remain relatively cold and therefore is thermally isolated from the environment. The first part can be isolated by being inserted into a static object in the desired area, e.g. a trunk of a tree, or a rock, or, in some embodiments, can be surrounded by a thermal-isolating material. The first part is thermally connected to a first end of a thermoelectric generator (TEG) unit and a second part of the device, a hot part, is thermally connected to a second end of the TEG unit. The second part is intended to be thermally exposed to the ambient environment such that in case of a fire in the vicinity of the device, the second part is heated to high temperatures while the first part remains relatively cold since it is thermally isolated.

Abstract: A system can include a bed having a mattress, a sensor, and the data processing device. The sensor is configured to sense a feature of the mattress and transmit readings to a data processing device. The data processing device includes a processor and is configured to receive the readings from the sensor and determine if the readings i) indicate a user presence on the mattress and ii) indicate the user intends to sleep. The data processing device is configured to transmit a command to a peripheral controller responsive to determining that the readings i) indicate user presence on the mattress and ii) indicate the user intends to sleep.

Abstract: A system and method for selecting an algorithm for monitoring alarm conditions based on a detector orientation and position. A method may include determining a position and orientation of a smoke detector, selecting an algorithm for performing detection of an alarm condition, and operating the smoke detector using the selected algorithm.

Abstract: Systems and methods relating to foreign object detection with respect to passenger-accessible stowage compartments are provided. According to one example, sensor data is captured via a sensor subsystem that includes a sensor associated with each of a plurality of stowage compartments. For each of the stowage compartments, a baseline condition is identified in which foreign objects are absent from the stowage compartment. A foreign object is detected within a stowage compartment based on the sensor data received for the stowage compartment and the baseline condition identified for the stowage compartment. An audit of the stowage compartments is conducted, and based on the audit, an indication that the foreign object is detected within the stowage compartment is output. This indication may identify the stowage compartment containing the foreign object among the plurality of stowage compartments.

Abstract: Some embodiments provide a method for separating the motion detection zone(s) of an A/V recording and communication device from the motion alert zone(s) of the A/V recording and communication device. For example, an A/V recording and communication device may be configured to generate motion alerts, and to record audio and video footage, when an event is detected within a selected motion alert zone (e.g., within a defined radius around the A/V recording and communication device). However, the A/V recording and communication device may not generate a motion alert for an event detected outside of the selected motion alert zone, even though the device may still record audio and video footage for the detected event (e.g., when the event is within a selected motion detection zone).

Abstract: An electronic cigarette (“e-Cig”) may include functionality for monitoring and controlling the thermal properties of the e-Cig. The system and method described herein may monitor a temperature based on a resistor (i.e. hot wire) near the wick and model the thermal cycle of an e-Cig. The model can be used for controlling the temperature of the e-Cig and preventing burning. The temperature control may dictate optimal conditions for atomization and smoke generation in an e-Cig while avoiding hotspots and burning to the atomizer or cartomizer.

Abstract: Device, system, and method of dynamically configuring a Sub-1 Gigahertz reception module via a Wi-Fi communication link. For example, a ceiling fan includes rotatable blades, an electric motor to rotate them, and a fan controller to control activation and deactivation and rotation speed of the electric motor. The ceiling fan further includes a non-Wi-Fi wireless receiver unit, such as a Sub-1 Gigahertz wireless receiver unit, to receive incoming non-Wi-Fi signals indicating control commands to the ceiling fan which is associated with an existing Fan Address Code. The ceiling fan also includes a Wi-Fi wireless receiver unit, to receive an incoming Wi-Fi message indicating a replacement Fan Address Code. The ceiling fan includes a Fan Address Code Modification Unit, to replace (i) the existing Fan Access Code of the ceiling fan, with (ii) a replacement Fan Access Code that was received via the incoming Wi-Fi message.

Abstract: A plurality of sensor devices are placed at a plurality of locations at which concrete is to be poured, wherein each sensor device is adapted to measure humidity. For example, the plurality of sensors may be placed at selected locations within a form at a construction site associated with a construction project. Concrete is poured at the plurality of locations. Data representing humidity measurements is received from the plurality of sensor devices. For each of the plurality of sensor devices, a respective spike in humidity and a respective time associated with the spike in humidity are determined, thereby determining a plurality of spikes in humidity and a plurality of corresponding times. A build rate is determined for the construction project based on the plurality of spikes in humidity and a plurality of corresponding times.

Abstract: A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.

Abstract: A vehicle occupancy alarm assembly includes an alert unit that has an input port which is compatible with an on board diagnostic port thereby facilitating the alert unit to be placed in electrical communication with a computer system of a vehicle. The alert unit is actuatable into a first condition to emit an audible alert when the alert unit detects that a rear seat belt is coupled thereby alerting a driver of the vehicle that a passenger is buckled into the rear seat belt. The alert unit is actuatable into a second condition to emit an audible alert when the alert unit detects that the driver's side door is ajar thereby alerting the driver to check for a passenger in the rear seat. The alert unit is actuatable into a third condition to emit an audible alert when the alert unit detects that the vehicle transmission has been placed in a parking gear thereby alerting the driver to check for a passenger in the rear seat.

Abstract: Presented are intelligent electronic footwear with controller automated features, methods for making/using such footwear, and control systems for executing automated features of intelligent electronic footwear. An intelligent electronic shoe includes an upper that attaches to a user's foot, and a sole structure attached to the upper for supporting thereon the user's foot. A collision threat warning system, a detection tag, a wireless communications device, and a footwear controller are all mounted to the sole structure/upper. The detection tag receives a prompt signal from a transmitter-detector module and responsively transmits thereto a response signal. The footwear controller receives, through the wireless communications device, a pedestrian collision warning signal generated by the remote computing node responsive to the response signal.

Abstract: An Information Handling System (IHS) includes multiple hardware devices, and a baseboard Management Controller (BMC) in communication with multiple hardware devices of the IHS. The BMC includes executable instructions for monitoring a parameter of one or more of the hardware devices when a custom BMC firmware stack is executed on the BMC. The instructions that monitor the parameter are separate and distinct from the instructions of the custom BMC firmware stack. The instructions also control the BMC to perform one or more operations to remediate an excessive parameter when the parameter exceeds a specified threshold.

Abstract: This application is directed to a doorbell camera for illuminating and capturing scenes. The doorbell camera includes at least a subset of processors for operating a camera module, an image sensor having a field of view of a scene and configured to capture video of a portion of the scene, one or more infrared (IR) illuminators for providing illumination, a waterproof button assembly, and a microphone and a speaker for enabling a real-time conversation between a visitor located at the doorbell camera and a user of a remote client device. The waterproof button assembly is configured to receive a user press on a button top, block water from entering the electronic device, and display a visual pattern uniformly at a peripheral region of the button assembly using LEDs and light guide component that are disposed under the button top.

Abstract: A temperature measuring method capable of switching calculation based on displacement detection includes a temperature measuring instrument and a displacement detecting unit. When the displacement detecting unit feeds back that the temperature measuring instrument is under an inactive state, a point calculation formula A is used to calculate and obtain a body temperature value. When the displacement detecting unit feeds back that the temperature measuring instrument is under an active state, a scanning calculation formula B is used to calculate and obtain the body temperature value.

Abstract: A fireplace with a smart glass panel and use of a smart glass panel in a fireplace are provided. The fireplace comprises a heating mechanism, and a smart glass panel positioned proximate to the heating mechanism. The smart glass panel comprising a transparent pane, where at least a portion of the smart glass panel has optic or thermal transmission properties that may be altered between a first state and a second state.

Abstract: A fire detection device includes a vented detector housing, with an opening defined in a mounting base. A substance exhaust channel in air flow communication with the opening extends upward from the mounting base. A pressure release turbine includes an impeller operatively disposed in the channel. A rotation sensor senses rotation of the impeller and generates an alert upon detection of a heat level indicated by rotation of the turbine rotor at a predetermined speed. A high pressure and/or heat louver disposed over the opening opens in response to a predetermined heat level. An actuator detects opening of the louver and generates an alert. A thermostatic device disposed in the housing senses, and generates an alert at, a predetermined heat level. A thermal imaging device disposed in the housing senses, and generates an alert at, a predetermined heat level.

Abstract: Performance mapping of equipment performance parameters by capturing, mapping, and/or structuralizing equipment performance data of a device for installation in a system. This includes generating performance maps which outline the expected feature performance parameter behavior of the equipment based on a set of operating parameters that capture the operating conditions. Each performance parameter on the map is representative of an operating point of specific operating conditions taken at a particular point in time. In one example, a performance parameter can be defined by an individualized set of parameter coefficients which in turn are dependent on instantaneous operating conditions.

Abstract: A load contact module for a charging plug-in connection includes: a load contact, which is designed to electromechanically contact a load contact to be inserted and/or slid on; a mounting portion, which is designed to connect the load contact module to a support of a charging plug and/or of a charging socket; and a temperature sensor for the temperature monitoring of a charging process, wherein the temperature sensor has a distance from the mounting portion.

Abstract: A sensor device can be mounted on a pivotable door of a domestic refrigeration appliance. The sensor device includes an inertial sensor for supplying a motion signal as well as a processing device configured to determine a pivoting angle of the pivotable door on the basis of the motion signal and to output a signal when the pivoting angle has reached a predetermined threshold value. A household refrigeration appliance having a sensor device is also provided.

Abstract: Disclosed are systems and methods for an industry-wide and predictive approach to maintenance of commercial equipment. In one embodiment, multiple instances of a frontend infrastructure can be deployed to various sites where one or more physical parameters of industrial equipment are monitored with wireless sensors and routed to a backend infrastructure. The backend infrastructure can process the sensor data received from the multiple sites and generate predictive maintenance notifications.

Abstract: In one embodiment, an apparatus includes an optical module comprising a first end for insertion into a network device and a second end extending from the network device when the optical module is inserted into the network device, and a temperature indicator thermally coupled to the optical module and extending from said second end of the optical module. The temperature indicator provides an indication that a surface temperature of the optical module exceeds a predefined safe touch temperature limit.

Abstract: A pump control system and an operating method thereof are disclosed. The pump control system includes a pump; a motor mechanically connected to the pump; a motor driving controller electrically coupled to the motor, the motor driving controller configured to control a speed of the motor; a current detection unit electrically coupled between the motor and the motor driving controller or electrically coupled to a power supply input interface of the pump control system; and a main controller electrically coupled to the motor driving controller.

Abstract: A method of transmitting electricity including providing a shippable container configured to transport a liquid electrolyte solution to a first charging station. The first charging station is configured to apply electricity to the liquid electrolyte solution. The first charging station charges the liquid electrolyte solution by applying electricity to the liquid electrolyte solution. The charged liquid electrolyte solution is loaded into the shippable container and transported to a discharging station. The electrolyte solution is electrically discharged at the discharging station and subsequently transported to a second charging station.

Abstract: Embodiments relate generally to systems and methods for determining the temperature of an object or surface near a user, such as a firefighter, in potentially dangerous conditions. A temperature sensor configured to be attached to a personal protection equipment may comprise a standoff temperature sensor element configured to detect the temperature of a nearby object or surface; a microcontroller configured to receive sensor data from the standoff temperature sensor element and determine the sensed temperature; an indicator configured to be activated by the microcontroller when the sensed temperature is higher than a predefined threshold; and an attachment element configured to attach the sensor to a personal protection equipment worn by a user.

Abstract: Devices, methods, and systems for alarm and notification generation are described herein. One computing device for alarm and notification generation includes a processor configured to identify a plurality of alarm set points for a system, wherein the plurality of alarm set points are threshold values for the system, generate an alarm template for the system, wherein the alarm template includes additional threshold values (e.g., special points, etc.) for the system, generate a rule data structure that includes the plurality of alarm set points for the system and the additional threshold values for the system, generate a first notification when a value for the system meets or exceeds an alarm set point of the plurality of set points, and generate a second notification when the value for the system meets or exceeds the additional threshold values of the alarm template for the system.

Abstract: There is provided an LED light with a replaceable module that is connected to an intelligent network. The replaceable module includes a driver element, communication element, and power storage such as a battery. The driver element has circuitry, such as printed circuit boards, which is uniform for mating with any connection component to provide electrical connection. The communication/control element includes communication with a voice orchestrated infrastructure and to Z-link capable systems, via a wireless network. The replaceable module fits inside the opening of a housing which includes a mount for electrical connection to standard electrical outlet. Zone control LED lighting is also provided which is likewise connected to the network for voice control.

Abstract: A radio frequency (RF) front end for wireless communications, in particular for use in a half duplex (HD) and/or full duplex (FD) transceiver. The RF front end is based on a quadrature balanced power amplifier (QBPA). The RF front end includes an antenna port for outputting a transmit signal to and receiving a receive signal from an antenna, and a receive port for outputting the receive signal to a signal processing section. Further, the QBPA is configured to receive a transmit input signal at a first port, receive a cancellation input signal at a fourth port, and receive the receive signal at a second port coupled to the antenna port.

Abstract: A method, system and devices assisting the detection of a cover/cap. A method includes monitoring a status of a button installed on a detector. If there is any change in status of the button, it is reported to a controller. The controller issues a notification regarding the change of the status and transmits an alert to a control panel.

Abstract: Foreign matter is prevented from entering the inside of an electronic apparatus. An electronic apparatus (100) includes plural exhaust holes (E1, E2) formed in an armor member (20), an air flow path (S3) formed inside the armor member (20) and connected to the plural exhaust holes (E1, E2), a power source circuit (41) disposed in the air flow path (S3), and a foreign matter preventing member (70) located between the power source circuit (41) and the plural exhaust holes (E1, E2). The foreign matter preventing member (70) is formed with plural openings (Es). Each of the openings (Es) is smaller in size than each of the exhaust holes (E1, E2).

Abstract: A hearing aid device including sensors are disclosed. Specifically, a hearing aid with a temperature sensor and a reference sensor. Also disclosed is a method for estimating body core temperature.

Abstract: A system for initializing home-automation device, the system can include server-hardware including a processor and computer memory, the serve-hardware configured to receive point-of-sale data specifying a specified bed-controller and specifying a specified peripheral-controller and transmit setup data to a computing device. The computing device including a processor and computer memory, the computing device configured to receive the setup data, and cause, based on the setup data, the specified bed-controller to pair with the specified peripheral-controller.

Abstract: A heat alarm unit includes a housing and a button assembly. The housing has a central axis and defines an opening disposed substantially normal to like housing. The button assembly is exposed through the opening and is constructed and arranged to move with respect to the housing. The button assembly has a support structure and a heat sensor supported by the support structure.

Abstract: A system, method and program product for identifying a risk hazard vulnerability at a target environment and presenting a detected risk hazard. The method configures an evaluator mobile computing device to obtain, via the mobile device, a real-world view or image data of items/objects in a target real-world environment and, optionally, or in addition, obtain other context data associated with the target environment. The method invokes operations of a risk vulnerability model to detect a risk associated with the target object within the real-world view and based on any additional associated context data. The method causes the mobile device to further generate a visual, audible or haptics indication of the identified risk vulnerability and/or a calculated risk score of the target object for display on the mobile computing device and display the risk vulnerability indication on the real-world view displayed at the mobile device.

Abstract: An integrated fire alarm method includes receiving a preliminary detection signal from a preliminary detector, and comparing the preliminary detection signal with a predetermined corresponding threshold; controlling a notification device to issue an early-warning notification if the preliminary detection signal is greater than the corresponding threshold; receiving a primary detection signal from a primary detector after issuing the early-warning notification, and comparing the primary detection signal with predetermined corresponding threshold; and controlling the notification device to issue a formal notification if the primary detection signal is greater than the corresponding threshold.

Abstract: Techniques for identifying thermal critical conditions in devices with multiple SoCs, and coordinating the resetting and rebooting of the SoCs to recover from the thermal critical conditions are described herein. A device may include a first SoC that monitors a first temperature sensor, and a second SoC that monitors a second temperature sensor, to determine whether temperatures in the device indicate thermal critical conditions. The second SoC may determine that a temperature determined using the second temperature sensor is above a threshold indicating a thermal critical condition, and may provide an indication to the first SoC that the temperature is above the threshold. The first SoC may detect the indication, and the first SoC and second SoC may each reset to allow the device to cool down. The first SoC and second SoC may then coordinate rebooting once the thermal critical condition is no longer detected in the device.

Abstract: A rolling bearing device includes: a bearing portion; an oil supply unit that has a pump; a first detection portion that detects operation of the pump; a second detection portion that detects the rotational state of the bearing portion; and a processing portion that generates determination information related to the lubrication state of the bearing portion on the basis of a detection signal from the first detection portion and a detection signal from the second detection portion. The processing portion outputs, to the pump, an instruction signal for oil supply when it is determined that operation of the pump is appropriate and that the rotational state of the bearing portion is not appropriate, and re-determines, after the lapse of a predetermined time, whether or not the rotational state of the bearing portion is appropriate.

Abstract: Presented are intelligent electronic footwear with controller automated features, methods for making/using such footwear, and control systems for executing automated features of intelligent electronic footwear. An intelligent electronic shoe includes an upper that attaches to a user's foot, and a sole structure attached to the upper for supporting thereon the user's foot. A collision threat warning system, a detection tag, a wireless communications device, and a footwear controller are all mounted to the sole structure/upper. The detection tag receives a prompt signal from a transmitter-detector module and responsively transmits thereto a response signal. The footwear controller receives, through the wireless communications device, a pedestrian collision warning signal generated by the remote computing node responsive to the response signal.

Abstract: A distributed occupancy detection system includes plural networked node devices configured to be spatially distributed throughout a structure. Each node device includes an occupancy sensor that senses a presence characteristic indicative of an object being in a monitored area of the structure that is associated with the occupancy sensor. Each node device also includes one or more processors that determine a probability that the object is or was located in the structure based on the presence characteristic sensed by the occupancy sensor of a first node device and based on the presence characteristic sensed by the occupancy sensor of one or more neighboring node devices. The one or more processors determine whether the object is in the structure based on the probability.

Abstract: A system for detecting an oil leak can include: at least one infrared imaging sensor; and an imaging analysis computer operably coupled with the at least one infrared imaging sensor. The imaging analysis computer can be configured to control any infrared imaging sensor and acquire infrared images therefrom at any rate and in any duration. The imaging analysis computer can be configured to analyze the infrared images in order to detect an oil leak. The imaging analysis computer can be configured to detect oil on a surface (e.g., solid surface or water surface) where oil should not be (or is not present in a baseline) in order to determine that there is an oil leak in the vicinity.

Abstract: The present disclosure relates to a wireless probe for food, including a circuit board, a temperature sensor connected to electrical signals of the circuit board, a super capacitor and a wireless transmitter. The temperature sensor is used for measuring a temperature of the food. The super capacitor is used for supplying power to the circuit board. The wireless transmitter is used for broadcasting temperature signals measured by the temperature sensor in the form of wireless signals. The present disclosure also relates to a wireless food temperature real-time monitoring system, including the wireless probe for food, a mobile device and/or a wireless range extender for receiving the temperature signals transmitted from the wireless probe. A wireless food temperature real-time monitoring method is also disclosed. The present disclosure can monitor temperature of the food being cooked in real-time in order to better assist users in cooking.

Abstract: Systems and methods are described for thermal feedback for power transfer optimization. Aspects include a wireless power-transfer system including a base power-transfer apparatus, a power supply unit, at least one temperature sensor, and a system controller. The base power-transfer apparatus includes a coil configured to generate a magnetic field based on an electric current. The power supply unit includes switching and power electronics configured to drive the electric current in the coil. The temperature sensor(s) are configured to measure a temperature of the base power-transfer apparatus or the power supply unit. The system controller is coupled to the base power-transfer apparatus, the power supply unit, and the temperature sensor(s) and is configured to control operation of at least one of the base power-transfer apparatus or the power supply unit based on the measured temperature to shift losses and dissipate heat in the base power-transfer apparatus or the power supply unit.

Abstract: A detector base device may provide auxiliary functionality to a smoke detector or other detector device. The detector base device may be distinct and separate from the smoke detector, and configured for physical mounting between the smoke detector and a junction box or other conventional mounting interface configured for direct mounting of the smoke detector (in a conventional mounting arrangement without the detector base device). Thus, the detector base device may include a first mounting structure (e.g., on a top side) for mounting the detector base device to the junction box or other conventional detector mounting interface, and a second mounting structure (e.g., at a bottom side) for mounting the smoke detector to the detector based device. The detector base device may include an auxiliary function system configured to provide auxiliary audio, communication, sensor-based detection, and/or data recording functions, and may also including a battery backup for line power outage.

Abstract: A method and system for testing a device in a fire control system is disclosed. A method includes a method and system for testing a device in a fire control system is disclosed. A method includes placing the device in a testing mode; isolating the device from other devices in the fire alarm system; testing the device; and removing the device from testing mode; wherein testing the device comprises using an unmanned inspection vehicle to remotely perform tests or other tasks on the device.

Abstract: A thermometer is provided that includes a main body having a first body including first and second regions and a second body mounted on the first body, the main body extending in a first direction; a rubber cap surrounding the second region and formed to be inserted into the ear; a temperature sensor disposed in the second region and having a specific temperature sensing range with respect to the first direction; and first and second circuit boards electrically connected to the temperature sensor and disposed in the second region in a second direction intersecting the first direction.