Abstract: The disclosure provides a temperature sensing device including a thermopile sensing assembly with a metal sleeve and a metal grid for blocking microwave from entering the thermopile sensor and influencing temperature detection. The temperature sensing device includes one or more than one thermopile sensing elements, an ambient temperature sensor, a signal processing chip, and an infrared lens providing narrow FOV. When dual thermopile sensing elements are used, one is active unit with narrow FOV for measuring the infrared radiation of the object to be detected, and the other one is a dummy unit for the compensation of the thermal shock to achieve the purpose of accurate temperature detection. The disclosure also provides the visible light source to indicate the sensing area of the thermopile sensor, that may facilitate the user positioning the object to be heated. FOV of the light source is the same with that of the thermopile sensor.

Abstract: A temperature sensor device for a power distribution panel includes a Power over Ethernet (PoE) interface, a DC-to-DC step down converter, at least one infrared temperature sensor array, a microcontroller and a communication interface. The PoE interface is used to obtain a required power supply from the Ethernet network. The DC-to-DC step down converter steps down the power supply from a first voltage to a second voltage. The infrared temperature sensor array receives infrared rays radiated from a monitored area of the power distribution panel and generates a corresponding sensation signal. The microcontroller receives the sensation signal and generates an alert signal when the sensed temperature of the monitored area exceeds a preset threshold. The threshold can be dynamically adjusted according to time of day or day of months. The communication interface enables the communication between an external electronic device and the temperature sensor device for the power distribution panel.

Abstract: A temperature sensing device includes a substrate, a first reflective module, a first window cover, and a dual thermopile sensor. The first reflective module is disposed on the substrate, including a first mirror chamber with a narrow field of view (FOV), and the first reflective module focuses a thermal radiation from measured object to a first image plane in the first mirror chamber. The first window cover is disposed on the first reflective module, and the first window cover allows a selected band of the thermal radiation to pass through. The dual thermopile sensor is disposed on the substrate and located in the first mirror chamber, and the dual thermopile sensor senses a temperature data from the first image plane. Additional second reflective module, LED source plus pin hole with same FOV of dual thermopile sensor can illuminate the measured object for ease of placement of object to be heated.

Abstract: An infrared thermopile sensor includes a silicon cover having an infrared lens, an infrared sensing chip having duo-thermopile sensing elements, and a microcontroller chip calculating a temperature of an object. The components are in a stacked 3D package to decrease the size of the infrared thermopile sensor. The infrared sensing chip and the microcontroller chip have metal layers to shield the thermal radiation. To measure object temperature accurately under acute change in environmental temperature, this disclosure uses the duo-thermopile sensing elements, that one is the active unit for measuring the object temperature and another one is the dummy unit for compensating the effect from the package structure.

Abstract: An infant care apparatus includes a piezoelectric sensor and an infrared array sensor. The piezoelectric sensor senses a respiration rate and a heart rate of an infant. The infrared array sensor senses a body temperature and an occupancy state of the infant in a non-contact manner. The abovementioned infant care apparatus can assist in determining an abnormality of the respiration rate and the heart rate of the infant based on the occupancy state of the infant output by the infrared array sensor, so as to reduce a false alarm rate.

Abstract: An infrared thermopile sensor includes a silicon cover having an infrared lens, an infrared sensing chip having duo-thermopile sensing elements, and a microcontroller chip calculating a temperature of an object. The components are in a stacked 3D package to decrease the size of the infrared thermopile sensor. The infrared sensing chip and the microcontroller chip have metal layers to shield the thermal radiation. The conversion from wrist temperature to body core temperature uses detected ambient temperature and fixed humidity or imported humidity level to calculate the body core temperature based on experimental data and curve fitting. The skin temperature compensation can be set differently for different sex gender, different standard deviation of wrist temperature and external relative humidity reading.

Abstract: A hair dryer comprises a fan, a heater, a temperature sensor, and a controller. The heater is disposed at the airflow output end of the fan and used to heat the airflow output by the fan. The temperature sensor is pointed to the hair, receiving the infrared light radiated by the hair to obtain the temperature of the hair, determining the dryness of the hair according to at least one of the temperature of the hair and the rate of temperature variation of the hair, and outputting a corresponding control signal. The controller is electrically connected with the fan, the heater and the temperature sensor, and controlling at least one of the rotation speed of the fan and the heating power of the heater according to the control signal. The above-mentioned hair dryer not only can prevent from hair overheating and hair damage but also can shorten the time for drying hair.

Abstract: An infrared temperature sensor comprises a first communication port and a second communication port. A plurality of infrared temperature sensors can be cascaded to each other and connected to an external host controller through the second communication port. The external host controller can set up and administer the unique addresses of the plurality of the infrared temperature sensors through the second communication port, whereby to selectively perform multicasting communication or unicasting communication with the plurality of infrared temperature sensors through the first communication port. The infrared temperature sensor further comprises a second thermopile sensing element used to sense the thermal radiation of a package structure, whereby to compensate for the measurement error induced by temperature variation of the package structure. Thus, the measurement accuracy is increased.

Abstract: A thermal sensor package for earbuds includes two thermopile sensor elements on a single thermopile sensor chip, and the two thermopile sensor elements are separated by a block wall of a cap. One of the thermopile sensor elements senses external infrared thermal radiation through a window of the cap, and the other thermopile sensor element senses internal infrared thermal radiation from a package structure as a basis for correcting compensation. Therefore, the foregoing thermal sensor package for earbuds can quickly correct a measurement error caused by the package structure to improve the measurement accuracy. In addition, the forgoing thermal sensor package for earbuds has a simple packaging step and is easy to arrange a silicon based infrared lens to expand its application.

Abstract: An ultrasonic biometric sensor comprises a detection chip. The detection chip includes a substrate, an ultrasonic transducer array and a control circuit. The ultrasonic transducer array is arranged on the substrate, including a plurality of arrayed piezoelectric elements. Each piezoelectric element is disposed on a floating membrane. The floating membrane is suspended in the opening side of a cavity by at least one support arm extending transversely. The control circuit is also arranged on the substrate and electrically connected with each piezoelectric element through the support arm to control the ultrasonic transducer array to generate an ultrasonic signal and read the reflected ultrasonic signal received by the ultrasonic transducer array. The ultrasonic biometric sensor is easy to fabricate and has a high yield.

Abstract: A dryer includes a cylinder, a heater, a motor, a temperature sensor and a controller. The heater heats air and delivers the heated air into the cylinder. The motor is used to drive the cylinder to rotate. The temperature sensor includes a thermopile array sensor and a signal processor. The thermopile array sensor is used to sense an infrared light radiated from clothing and output a sensing signal. The signal processor is used to process the sensing signal to obtain at least one of a temperature distribution uniformity and an average temperature of the clothing, and output a control signal according to the at least one of the temperature distribution uniformity and the average temperature of the clothing. The controller determines to stop the drying schedule according to the control signal. The above-mentioned dryer can stop the drying schedule automatically, so as to save energy.

Abstract: An NDIR gas detector includes a photodetector for detecting a portion of stray visible light emitted from an incandescent lamp so as to generate an induced electrical signal, which is compared with a preset reference signal associated with a predetermined constant level of the stray visible light corresponding to a constant temperature of the lamp so as to obtain a level difference between the induced electrical signal and the reference signal. Electrical power supplied to the lamp is repeatedly regulated based on the level difference until the induced electrical signal and the reference signal have the same level, thereby stabilizing IR emission of the lamp in response to the lamp being kept at the constant temperature.

Abstract: A probe assembly of an infrared thermometer is capable of detecting the surface temperature of a thermal radiation source and is suitable for holding over human skin or inserting into a patient's ear canal for accurately taking human body temperature. The probe assembly comprises a taper plastic tube, a conductive shell, an infrared radiation sensor and an adiabatic supporter, wherein the plastic tube has a radiation collection end and the conductive shell has a first open end. The infrared radiation sensor is placed in the first open end of the conductive shell, and has a base against the adiabatic supporter. The infrared radiation sensor has a hot junction toward the first open end of the conductive shell and a cold junction toward the adiabatic supporter.

Abstract: A probe assembly of an infrared thermometer is capable of detecting the surface temperature of a thermal radiation source and is suitable for holding over human skin or inserting into a patient's ear canal for accurately taking human body temperature. The probe assembly comprises a taper plastic tube, a conductive shell, an infrared radiation sensor and an adiabatic supporter, wherein the plastic tube has a radiation collection end and the conductive shell has a first open end. The infrared radiation sensor is placed in the first open end of the conductive shell, and has a base against the adiabatic supporter. The infrared radiation sensor has a hot junction toward the first open end of the conductive shell and a cold junction toward the adiabatic supporter.

Abstract: An electrical thermometer comprises a metallic tip and a main body equipped with a probe portion. The front end of the probe portion is fitted into the opening of the metallic tip, which resembles a shell with a blunt end. The probe portion is formed on the main body. A thermal sensor, which is immersed and fixed in thermally conductive glue, is positioned inside the front inner end of the metallic tip. The remaining space within the metallic tip is filled up with a good thermally insulator. The metallic tip can be rapidly heated up with body temperature whenever touched, and the heat will be transferred to the thermal sensor via the thermally conductive glue. In additional, the thermally insulator can stop succeeding heat transfer.

Abstract: A probe cover of a tympanic thermometer and tympanic thermometer assembly includes a base and a sheath attached on the base. The base is a ring-shaped thin film object with a central opening permitting pass of the probe of a tympanic thermometer, and is engaged with flanges at the bottom of the probe. The sheath includes a circumferential wall that strains and circles around the sidewall of the probe, and an infrared window fitted on an opening at the front end of the probe. Since the thickness of the infrared window is thicker than that of the circumferential wall and the infrared window is free of pleats to keep a very uniform thickness, infrared can accurately penetrate through the infrared window to the probe of a tympanic thermometer for measuring a precise body temperature.

Abstract: The present invention discloses a probe assembly for used in an infrared ear thermometer. Given that the exchanged thermal radiation and the infrared detector's temperature are known, the subject temperature can be calculated according to Stefan-Boltzman's law. To make the Stefan-Boltzman's law applicable in a dynamic environment where temperature may vary greatly, the contact temperature sensor (thermistor) must acuurately and fast track the temperature of the infrared detector (thermopile sensor). By using the heat transfer theorem, the disclosed assembly makes the thermistor accurately track the cold junction temperature of the thermopile chip without being in an isothermal condition. Not only minimizes the measurement error in a dynamic environment, the design of the disclosed probe assembly also makes a samll and compact infrared thermometer possible.

Abstract: The present invention discloses a probe assembly for used in an infrared ear thermometer. Given that the exchanged thermal radiation and the infrared detector's temperature are known, the subject temperature can be calculated according to Stefan-Boltzman's law. To make the Stefan-Boltzman's law applicable in a dynamic environment where temperature may vary greatly, the contact temperature sensor (thermistor) must acuurately and fast track the temperature of the infrared detector (thermopile sensor). By using the heat transfer theorem, the disclosed assembly makes the thermistor accurately track the cold junction temperature of the thermopile chip without being in an isothermal condition. Not only minimizes the measurement error in a dynamic environment, the design of the disclosed probe assembly also makes a samll and compact infrared thermometer possible.

Abstract: A probe cover of a tympanic thermometer having a probe comprises a base in the form of a ring-type plastic sheet formed with a central opening; and a film sheath that is infrared transparent and has an open end and a closed end, wherein the open end is attached to the base, the sheath portion extended from the central opening can be fitted on the probe of tympanic thermometer, the film sheath comprises a first wall section, a second wall section, and a window between the open end and the closed end, wherein the entire first wall section is formed of a plurality of pleat surfaces and the width of each pleat surface is gradually reduced in the direction from the open end to the closed end, the second wall section is formed by plastic deformation and thus has a smooth wall surface, and the window is in the form of a flat closed surface for fitting on the front end of the probe.