A temperature measurement system includes a thermal camera configured to capture a thermal image of individuals in a viewing space of the thermal camera to detect temperatures of the individuals. A reference device is configured to present a reference temperature for detection by the thermal camera when the reference device is disposed in the viewing space of the thermal camera. The reference device is configured to maintain thermal stability in harsh or hazardous environments so that the system provides accurate and precise temperature detection of the individuals in the viewing space of the thermal camera.

A temperature measurement system includes a thermal camera configured to capture a thermal image of individuals in a viewing space of the thermal camera to detect temperatures of the individuals. A reference device is configured to present a reference temperature for detection by the thermal camera when the reference device is disposed in the viewing space of the thermal camera. The reference device is configured to maintain thermal stability in harsh or hazardous environments so that the system provides accurate and precise temperature detection of the individuals in the viewing space of the thermal camera.

A thermal radiation light detection device includes: a housing including a plurality of wall portions; a light entrance unit attached to a wall portion and configured to cause thermal radiation light to enter the housing; a light extraction unit disposed inside housing and configured to extract light of a first wavelength and light of a second wavelength from the thermal radiation light, the second wavelength being different from the first wavelength; a first light detection unit attached to a wall portion and configured to detect the light of the first wavelength; a second light detection unit attached to a wall portion and configured to detect the light of the second wavelength; and a first temperature detection unit attached to a wall portion, the wall portion to which the first temperature detection unit is attached being different from the wall portion to which the first light detection unit is attached.

A thermal radiation light detection device includes: a housing including a plurality of wall portions; a light entrance unit attached to a wall portion and configured to cause thermal radiation light to enter the housing; a light extraction unit disposed inside housing and configured to extract light of a first wavelength and light of a second wavelength from the thermal radiation light, the second wavelength being different from the first wavelength; a first light detection unit attached to a wall portion and configured to detect the light of the first wavelength; a second light detection unit attached to a wall portion and configured to detect the light of the second wavelength; and a first temperature detection unit attached to a wall portion, the wall portion to which the first temperature detection unit is attached being different from the wall portion to which the first light detection unit is attached.

Passive detector structures for imaging systems are provided which implement unpowered, passive front-end detector structures with direct-to-digital measurement data output for detecting incident photonic radiation in various portions (e.g., thermal (IR), near IR, UV and visible light) of the electromagnetic spectrum.

Passive detector structures for imaging systems are provided which implement unpowered, passive front-end detector structures with direct-to-digital measurement data output for detecting incident photonic radiation in various portions (e.g., thermal (IR), near IR, UV and visible light) of the electromagnetic spectrum.

A method for measuring the strength and variation of Ying-nutrient Qi: heating tissue to a set temperature on a site near a human meridian, and then measuring infrared radiation to calculate an obscuration ratio so that a numerical representation of the strength of Ying-nutrient Qi can be obtained. A Ying-nutrient Qi measurement system, including at least two pairs of infrared temperature sensors and contact temperature sensors, a CPU, and a storage device, wherein the contact temperature sensors is in direct contact with a human body, and every infrared temperature sensor is paired with a contact temperature sensor to measure the temperature of a site. By measurement, whether a patient has blood stasis or phlegm retention can be inferred. In addition, a fluctuation condition of Ying-nutrient Qi or the relative strength of Ying-nutrient Qi/Wei-defensive Qi of different meridians can further provide auxiliary bases for syndrome differentiation of six meridians.

In a thermal infrared detector having trench structures, at least one sensor element is provided between the trench structures, an etching hole through which the sensor element is hollowed out and thereby thermally insulated is provided in a substrate rear surface or on the periphery of a pixel area, and an opening portion is provided below the pixel area.

A human body detecting device includes a pyroelectric infrared radial (PIR) sensor, a thermometer, a processor, an amplifying unit, and a plurality of amplification adjusting units. The PIR sensor is configured to sense infrared radiation and then generate an electronic signal. The thermometer is configured to sense an ambient temperature and then generate a temperature value. The microprocessor is electrically connected to the thermometer, and the amplifying unit is electrically connected to the pyroelectric infrared radial sensor and the microprocessor. The amplification adjusting units corresponding to a plurality of temperature intervals are electrically connected to the microprocessor and the amplifying unit. The microprocessor selects to enable one of the amplification adjusting units based on a comparison between the temperature value and the temperature intervals, such that the amplifying unit may modulate the electrical signal according to the enabled amplification adjusting unit.

A human body detecting device includes a pyroelectric infrared radial (PIR) sensor, a thermometer, a processor, an amplifying unit, and a plurality of amplification adjusting units. The PIR sensor is configured to sense infrared radiation and then generate an electronic signal. The thermometer is configured to sense an ambient temperature and then generate a temperature value. The microprocessor is electrically connected to the thermometer, and the amplifying unit is electrically connected to the pyroelectric infrared radial sensor and the microprocessor. The amplification adjusting units corresponding to a plurality of temperature intervals are electrically connected to the microprocessor and the amplifying unit. The microprocessor selects to enable one of the amplification adjusting units based on a comparison between the temperature value and the temperature intervals, such that the amplifying unit may modulate the electrical signal according to the enabled amplification adjusting unit.