The invention describes a method of predicting a stabilization temperature (T.sub.) of a subject (8) by means of a heat-flow sensor (1) comprising a plurality of thermistors (S1, S2, S1A, S2A, S1B, S2B), which method comprises the steps of expressing the temperature development of the heat-flow sensor (1) as a stretched exponential equation characterized by a time constant () and a sensor characteristic scalar value (m); receiving temperature measurement values (T1, T2, T3, T4) collected by the thermistors (S1, S2, S1A, S2A, S1B, S2B); estimating the time constant () on the basis of the temperature measurement values (T1, T2, T3, T4); and deducing the future stabilization temperature (T.sub.) on the basis of the estimated time constant (). The invention further describes heat-flow sensor (1) and a temperature sensing arrangement (9).

The present disclosure includes a sensor element for registering temperature of an object, which includes: a substrate, wherein the substrate includes a platform face, which defines a first plane; a temperature detector, which is applied on a first temperature plane on the substrate and which is embodied to register the temperature of the object, wherein the first temperature plane lies in the first plane or essentially in parallel with the first plane; at least one sensor applied on a first subregion of the substrate for determining a temperature difference within the first subregion; and a passivation, which is applied on the substrate and which covers the substrate, the temperature detector and the sensor for determining the temperature difference, as well as residing in a method for assessing measurement quality of a sensor element of the present disclosure.

A system and method for detecting and monitoring core body temperature are disclosed. The system includes a patch device and an electronic module coupled to the patch device. The method includes providing a patch device, coupling an electronic module to the patch device to provide a wearable device, and monitoring core body temperature of a user using the wearable device.

A temperature measurement apparatus includes a first temperature sensor disposed so as to be close to a contact surface with an object to be measured in a thickness direction of an apparatus main body, and a second temperature sensor disposed so as to be close to a display unit in the thickness direction of the apparatus main body. The display unit is switched between a first display state and a second display state by switching a mark between display and non-display. An internal temperature of the object to be measured is calculated by using a detected temperature in the first temperature sensor and a detected temperature in the second temperature sensor in the first display state, and a detected temperature in the first temperature sensor and a detected temperature in the second temperature sensor in the second display state.

Aspects of the present disclosure relate to a temperature device having a flexible substrate; and an electrical circuit on a surface of the flexible substrate. The electrical circuit includes at least three thermal sensors including at least one skin thermal sensor, a plurality of electrical pads, a plurality of conductive traces connecting the at least three thermal sensors with the plurality of electrical pads.

A core body thermometer includes a substrate, a heat receiving terminal with which heat from a subject is received and which divides the heat into first heat flow and second heat flow and causes the first heat flow and the second heat flow to flow out, a first heat flow measurement system that measures the first heat flow using a first input-side temperature sensor and a first output-side temperature sensor, a second heat flow measurement system that measures the second heat flow using a second input-side temperature sensor and a second output-side temperature sensor, a first thermal resistance body provided between the heat receiving terminal and the first input-side temperature sensor, and a second thermal resistance body provided between the heat receiving terminal and the second input-side temperature sensor.

A thermal system includes a thermal control unit adapted to supply temperature controlled fluid to one or more thermal pads. The thermal pads may include an interior chamber for fluid circulation, an inlet and an outlet, and first and second temperature sensors positioned adjacent the inlet and outlet, respectively. Some pads include a valve adapted to control an amount of fluid flowing through one or more channels within the pad. The thermal control unit may include a controller that controls the fluid temperature based upon temperature readings from first and second temperature sensors positioned remotely from the thermal control unit. The thermal control unit may also include a valve that selectively controls the amount of fluid exiting the thermal control from one or more outlets based upon one or more temperature readings. The system may include one or more thermocouples with conductors placed on or in the thermal pads.

Devices and methods are provided for determining the temperature of an object. Such devices and methods incorporate first and second thermally conductive members, with a heating member associated with the first thermally conductive member. The second thermally conductive member is positionable adjacent to the object. The heating member is heated to a known temperature and a probe member is alternately brought into contact with the first and second thermally conductive members. When the probe member is in contact with one of the thermally conductive members, it will send an input to the controller. The controller compares the inputs to each other and, if they are not substantially equal, changes the temperature of the heating member, and the probe member is again alternately brought into contact with the thermally conductive members. When the inputs are substantially equal, the controller generates an output based on the temperature of the heating member.

Provided is a contact type internal thermometer including: a measurement surface that is brought into contact with a measurement object; a first temperature sensor stack including a first measurement surface side temperature sensor and a first back surface side temperature sensor arranged on opposite sides of a first thermal resistor; a second temperature sensor stack including a second measurement surface side temperature sensor and a second back surface side temperature sensor arranged on opposite sides of a second thermal resistor; and a controller configured to calculate an internal temperature of the measurement object based on measurement results of the respective temperature sensors, in which the controller has a first mode of calculating the internal temperature based on a heat conduction equation in a non-steady state, and a second mode of calculating the internal temperature based on a heat conduction equation in a steady state.

An apparatus for estimating body temperature includes a sensor including a first sensor board; an object contact surface provided below the first sensor board; a thermally conductive material provided on an upper end of the first sensor board; a second sensor board provided on an upper end of the thermally conductive material; at least one first temperature sensor provided on the first sensor board and being configured to measure a surface temperature of the object; and at least one second temperature sensor provided on the second sensor board and being configured to measure a surface temperature of the thermally conductive material; and a processor configured to: measure a heat flux based on the surface temperature of the object and the surface temperature of the thermally conductive material; and estimate core temperature based on the measured heat flux and the surface temperature of the object.