Devices, systems, and techniques for monitoring the temperature of a device used to charge a rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. The temperature of an external charging device and/or an implantable medical device may be monitored to control the temperature exposure to patient tissue. In one example, a temperature sensor may sense a temperature of a portion of a device, wherein the portion is non-thermally coupled to the temperature sensor. A processor may then control charging of the rechargeable power source based on the sensed temperature.

There is provided a fiber optic temperature probe having a base, a first tube connected to the base, a second tube provided coaxially within the first tube, a probe tip extending through an opening in a distal end of the first tube; and an optical fiber extending from within the base through an opening in the proximal end of the first tube and being substantially coaxial with respect to the first tube. There is also provided a fiber optic temperature probe having a base, a first tube connected to the base, a probe tip extending through an opening in a distal end of the first tube, an optical fiber extending from within the base through an opening in the proximal end of the first tube and being substantially coaxial with respect to the first tube, and a first lens positioned between the probe tip and the optical fiber.

The invention relates to a detector (110) for optical detection comprising a circuit carrier (130) designed to carry at least one layer, wherein the circuit carrier (130) is or comprises a printed circuit board (132); a reflective layer (138), the reflective layer (138) being placed on a partition of the circuit carrier (130), wherein the reflective layer (138) is designed to reflect the incident light beam (120), thereby generating at least one reflected light beam (124); a substrate layer (114), the substrate layer (114) being directly or indirectly adjacent to the reflective layer (138), wherein the substrate layer (114) is at least partially transparent with respect to the incident light beam (120); a sensor layer (122), the sensor layer (122) being placed on the substrate layer (114), wherein the sensor layer (122) is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor layer (122) by the incident light beam and the reflected light beam (124); and an evaluation device (150) designed to generate at least one item of information by evaluating the sensor signal; and at least two individual electrical contacts (148, 148) contacting the sensor layer (122), wherein the electrical contacts (148, 148) are designed to transmit the sensor signal via the circuit carrier (130) to the evaluation device (150). The detector (110) constitutes a detector for detecting optical radiation, especially within the infrared spectral range, specifically with regard to sensing at least one of transmissivity, absorption, emission and reflectivity, being capable of avoiding a loss of incident light.

The invention relates to a detector (110) for optical detection comprising a circuit carrier (130) designed to carry at least one layer, wherein the circuit carrier (130) is or comprises a printed circuit board (132); a reflective layer (138), the reflective layer (138) being placed on a partition of the circuit carrier (130), wherein the reflective layer (138) is designed to reflect the incident light beam (120), thereby generating at least one reflected light beam (124); a substrate layer (114), the substrate layer (114) being directly or indirectly adjacent to the reflective layer (138), wherein the substrate layer (114) is at least partially transparent with respect to the incident light beam (120); a sensor layer (122), the sensor layer (122) being placed on the substrate layer (114), wherein the sensor layer (122) is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor layer (122) by the incident light beam and the reflected light beam (124); and an evaluation device (140) designed to generate at least one item of information by evaluating the sensor signal; and at least two individual electrical contacts (148, 148) contacting the sensor layer (122), wherein the electrical contacts (148, 148) are designed to transmit the sensor signal via the circuit carrier (130) to the evaluation device (150). The detector (110) constitutes a detector for detecting optical radiation, especially within the infrared spectral range, specifically with regard to sensing at least one of transmissivity, absorption, emission and reflectivity, being capable of avoiding a loss of incident light.

An indicator device including a protective layer, an optically reflective layer, a polymeric material layer disposed between and coupling the protective layer to the optically reflective layer, and a dye disposed within the polymeric material layer, the dye being sensitive to external stimuli.

Devices, systems, and techniques for monitoring the temperature of a device used to charge a rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. The temperature of an external charging device and/or an implantable medical device may be monitored to control the temperature exposure to patient tissue. In one example, a temperature sensor may sense a temperature of a portion of a device, wherein the portion is non-thermally coupled to the temperature sensor. A processor may then control charging of the rechargeable power source based on the sensed temperature.

An electronic device for measuring an ambient temperature (T.sub.air) of the environment of an electronic device is described. It comprises at least one integrated infrared sensor, a blinded window preventing infrared radiation to directly impinge on the integrated infrared sensor and being in thermal contact with the environment as well as with a cover of the device resulting in the blinded window being at a surface temperature (T.sub.surface). The at least one integrated infrared sensor is adapted for sensing the temperature of the blinded window (T.sub.surface). The device also comprises at least one absolute temperature sensor for measuring a temperature of the at least one infrared sensor (T.sub.sensor) itself, and a processing means for determining a temperature difference (T) between the sensed surface temperature (T.sub.surface) and the temperature of the infrared sensor (T.sub.sensor) and for calculating based thereon the ambient temperature (T.sub.air).

The disclosure includes a temperature measuring device and a temperature measuring method for measuring the temperature of molten metals. The temperature measuring device includes a temperature sensing element, a support tube, a connecting tube and an exhaust structure. The temperature sensing element is a cermet tube with a closed end and an open end, and can sense the temperature of a molten metal and emit stable thermal radiation energy based on the blackbody cavity principle when being extended into the molten metal. The open end of the cermet tube is fixedly connected to one end of the support tube, the cermet tube is communicated with the support tube, and the other end of the support tube is fixedly connected with the connecting tube. The exhaust structure is used to discharge the smoke inside the cermet tube and the support tube.

An optical spectrometer uses broadband radiation detectors to measure thermal radiation generated by the varied heating of an object without complex mechanical mechanisms, narrowband filters, or the like. The received thermal radiation is used to deduce spectral qualities of either the thermal radiation emitter or a second object reflecting or transmitting this thermal radiation.

A temperature detecting device for a gas turbine power plant is provided with at least one optical probe configured to detect a parameter indicative of a temperature and with at least one capsule configured to define a camera inside which the optical probe is housed.