A temperature measuring device includes a heat plate exposed to the ambient, one or more sensor chips, and one or more device electronics that include a power transmitter, a wireless communication receiving block, and a processor. Each sensor chip includes a wireless communication transmitting block, a temperature sensor, a signal processing block, and an energy harvesting circuit. The heat plate and the sensor chips are positioned within an indent formed in an exposed surface of a device cover, such as a glass cover. The energy harvesting circuit harvests energy from an electromagnetic signal transmitted by the power transmitter. Temperature data sensed by each temperature sensor is wirelessly transmitted by the wireless communication transmitting block to the wireless communication receiving block. The processor determines an ambient temperature corrected for heat influences on the temperature sensors by internal device electronics. The temperature measuring device is implemented within a mobile electronics device.

The instant invention provides for a wireless food probe utilizing Bluetooth Low Energy and, optionally, an accompanying charging station. The food probe is able to produce its required power for temperature measurement and wireless communications based on differential temperature inside the food item and the ambient temperature inside the heating cabinet. The food probe generally includes one or more resistance temperature detectors and a thermopile or Peltier. Some embodiments of the present invention further include an accompanying charging station utilizing transmitting coils for charging the probe. In such embodiments, the probe includes a receiving coil and is chargeable by the charging station using induction. The probes are capable of utilizing either or both power methods as needed. The probe device communicates with any Bluetooth enabled device or controller, such as an application on a mobile phone that can be used to receive live cooking information.

An energy-efficient battery-operated temperature sensor system including a temperature sensor having an off mode, a low-power mode, and a high-power mode. The temperature sensor in the low-power mode may be configured to sense when an environmental temperature reaches a temperature threshold. The temperature sensor in the high-power mode may be configured to measure the environmental temperature in real-time. The temperature sensor may be shifted into the high-power mode when the environmental temperature reaches the temperature threshold.

A temperature sensor circuit has a reference voltage generator that is trimmable at two temperatures for increased accuracy. The reference voltage generation section generates a reference voltage, the level of which is trimmable. A voltage divider section is connected to receive the reference voltage from the reference voltage generation section and generate a plurality of comparison voltage levels determined by the reference voltage and a trimmable resistance. An analog-to-digital converter can then be connected to a temperature dependent voltage section to receive the temperature dependent output voltage, such as a proportional to absolute temperature type (PTAT) behavior, and connected to the voltage divider section to receive the comparison voltage levels. The analog to digital converter generates an output indicative of the temperature based upon a comparison of the temperature dependent output voltage to the comparison voltage levels.

An intrinsically-safe battery assembly for field devices, the intrinsically-safe battery assembly includes an intrinsically-safe battery and polymeric chassis. In an example, the polymeric chassis is removably coupled to the intrinsically-safe battery and has at least one retention mechanism configured to engage the intrinsically-safe battery. In another example, the polymeric structure has at least one battery ejection mechanism configured to eject the intrinsically-safe battery. A field device is also provided.

An axle temperature monitoring system for monitoring the temperature of an axle spindle and warning a user of excessively high temperature readings includes a sleeve that enwraps the axle spindle with a temperature sensor installed within the sleeve near the inside and outside bearings of the axle spindle. The temperature sensor communicates wirelessly with a central processing unit that activates a warning light when the temperature exceeds the safe operating temperature threshold. The warning light may be installed on an exterior surface of the vehicle, for example on the front driver's side of a trailer, so that the user can see the warning light from the driver's seat. The driver can then slow down and stop the vehicle until the spindles cool down.

A hair styling device for activating to treat hair of an individual when the device senses body heat of the individual includes a housing and a hair treatment mechanism mounted to the housing. A processor is operatively coupled to the hair treatment mechanism, the processor is mounted in the housing. A heat sensor is operatively coupled to the processor and is mounted to the housing adjacent to the hair treatment mechanism. The heat sensor faces away from the housing and is oriented such that the heat sensor is configured to face the individual when the hair treatment mechanism is in use on the hair of the individual. The processor is configured to activate the hair treatment mechanism when the heat sensor detects heat indicative of the heat sensor lying adjacent to the individual.

A barbecue temperature probe includes a measuring portion, a holding portion and a temperature sensing portion. The measuring portion includes a needle body and a temperature sensor, and the temperature sensor is fixedly installed in the needle body and configured to convert a temperature signal of the needle body to an electrical signal; the holding portion is fixedly connected to one end of the measuring portion; and the temperature sensing portion is provided on an outer surface of the measuring portion and an outer surface of the holding portion, and the temperature sensing portion is configured to sense a temperature of an outer surface of the barbecue temperature probe and change morphological characteristics with a temperature change.

A temperature measurement device provided in the present application, wherein the temperature measurement device comprises a temperature probe, wherein the temperature probe comprises: a cylinder and a handle, wherein the handle has a distal opening away from the cylinder and a proximal opening detachably connected to the cylinder, a cross-sectional area of the handle gradually decreases from the distal opening to the proximal opening, the bottom of the proximal opening is provided with a first step that extends radially inward, and the inner diameter Rd of the distal opening is greater than the inner diameter Rp of the first step, the cylinder comprises a tip for inserting into food, a cylindrical portion, and an upper end opposite to the tip, the upper end has a second step that is connected to the cylindrical portion and extends radially outward.

An electro-optical device includes a temperature detecting element and an electrostatic protection circuit configured to protect the temperature detecting element from a surge current. The electrostatic protection circuit includes a transistor electrically connected to the temperature detecting element in parallel, a first capacitance element electrically connected to the transistor, and a resistance element electrically connected to the first capacitance element in parallel. The electrostatic capacity of the first capacitance element is greater than a gate capacity between a gate electrode and a semiconductor layer that constitutes the transistor. In addition, a dielectric layer of the first capacitance element is thicker than a gate insulating film of the transistor.