An ear tag module includes a rod member, a spike, a circuit component, and a temperature sensor. The spike is disposed on one side of the rod member, and the circuit component is disposed on another side of the rod member. The temperature sensor is electrically connected to the circuit component. When the spike penetrates an ear, the ear is in contact with a sensing area of the rod member, and the temperature sensor is located in the rod member to detect a temperature of the ear and transmit at least one temperature sensing information to the circuit component.

A thermometry apparatus used during hyperthermia therapy, which has a mat that can be used in combination with a non-invasive thermometry system. The mat has a top face and a bottom face. Between the top face and the bottom face are embedded wires. The wires provide skin and treatment head thermal information based on the thermal coefficient of resistance of the wires or via two metals in a thermocouple configuration. The mat is placed between the skin and an ultrasound head. The mat is flexible enough to conform to the patient’s body shape at the treatment point. The mat may be used in combination with an infrared camera, where at least one IR camera is pointed at a semi perpendicular angle to the mat, whereby the IR camera measures the temperature directly from the mat side and continually below the ultrasound head providing thermal depth measurements.

A thermometry apparatus used during hyperthermia therapy, which has a mat that can be used in combination with a non-invasive thermometry system. The mat has a top face and a bottom face. Between the top face and the bottom face are embedded wires. The wires provide skin and treatment head thermal information based on the thermal coefficient of resistance of the wires or via two metals in a thermocouple configuration. The mat is placed between the skin and an ultrasound head. The mat is flexible enough to conform to the patient’s body shape at the treatment point. The mat may be used in combination with an infrared camera, where at least one IR camera is pointed at a semi perpendicular angle to the mat, whereby the IR camera measures the temperature directly from the mat side and continually below the ultrasound head providing thermal depth measurements.

A biological data measurement device includes a substrate disposed at a position spaced a predetermined distance from a body surface of a living organism as a measuring object via a support member so that an air layer is formed between the substrate and the body surface. The substrate is provided with a temperature measurement device including an infrared thermometer for measuring a body surface temperature Tsk of the body surface and a substrate thermometer for measuring a substrate temperature Tsub of the substrate. The temperature measurement device measures the body surface temperature Tsk and the substrate temperature Tsub in the same place at least twice of a first timing A and a second timing B.

A biological data measurement device includes a substrate disposed at a position spaced a predetermined distance from a body surface of a living organism as a measuring object via a support member so that an air layer is formed between the substrate and the body surface. The substrate is provided with a temperature measurement device including an infrared thermometer for measuring a body surface temperature Tsk of the body surface and a substrate thermometer for measuring a substrate temperature Tsub of the substrate. The temperature measurement device measures the body surface temperature Tsk and the substrate temperature Tsub in the same place at least twice of a first timing A and a second timing B.

A system includes first and second acquisition units that acquire first and second biological information of a target, and an estimation unit. The first acquisition unit includes at least one first sensor. The second acquisition unit includes at least one second sensor different from the at least one first sensor. The estimation unit estimates a thermal comfort of the target based on the first and second biological information. The estimation unit further estimates a first thermal comfort of the target based on the first biological information, and the thermal comfort of the target based on the first and second biological information. When the second acquisition unit does not acquire the second biological information, the estimation unit sets, as the thermal comfort of the target, the first thermal comfort that is corrected using previous thermal comfort of the target estimated by the estimation unit based on at least the second biological information previously acquired by the second acquisition unit.

A system includes first and second acquisition units that acquire first and second biological information of a target, and an estimation unit. The first acquisition unit includes at least one first sensor. The second acquisition unit includes at least one second sensor different from the at least one first sensor. The estimation unit estimates a thermal comfort of the target based on the first and second biological information. The estimation unit further estimates a first thermal comfort of the target based on the first biological information, and the thermal comfort of the target based on the first and second biological information. When the second acquisition unit does not acquire the second biological information, the estimation unit sets, as the thermal comfort of the target, the first thermal comfort that is corrected using previous thermal comfort of the target estimated by the estimation unit based on at least the second biological information previously acquired by the second acquisition unit.

Embodiments described herein are directed to a temperature measurement device that includes a sensor body configured to be placed on a skin of a user. The temperature measurement device can include a first section defining a first lower surface and having a first thickness, a second section defining a second lower surface and having a second thickness, and a channel separating the first lower surface from the second lower surface. The temperature measurement device can also include a first set of temperature sensors positioned across the first thickness, a second set of temperature sensors positioned across the second thickness, and a processor configured to estimate a tissue temperature of the user based on comparing temperature signals from the first set of temperature sensors with temperature signals from the second set of temperature sensors.

Embodiments described herein are directed to a temperature measurement device that includes a sensor body configured to be placed on a skin of a user. The temperature measurement device can include a first section defining a first lower surface and having a first thickness, a second section defining a second lower surface and having a second thickness, and a channel separating the first lower surface from the second lower surface. The temperature measurement device can also include a first set of temperature sensors positioned across the first thickness, a second set of temperature sensors positioned across the second thickness, and a processor configured to estimate a tissue temperature of the user based on comparing temperature signals from the first set of temperature sensors with temperature signals from the second set of temperature sensors.

Various embodiments provide a wellness tracking device with a base plate that may be utilized as a combination electrode by a variety of sensors. The base plate may be a multi-material electrode that includes a conductor and a transparent or semi-transparent material to enable optical sensing. In certain embodiments, the base plate supports a plurality of different sensors, which may selectively utilize the base plate as an electrode.