Abstract: A thermometer includes a protective structure and a tip member with a thermal contact surface secured to the protective structure. A heat conductive layer includes a sensing portion disposed in the tip member and a temperature indication portion disposed in the protective structure. A structure with temperature indication markings is laid out along the temperature indication portion. A reversible temperature-sensitive color changing layer is formed on the temperature indication portion to overlap the structure of the temperature indication markings, in which the sensing portion is adapted for sensing the thermal contact surface to conduct heat flow to the reversible temperature-sensitive color changing layer, producing a sensed temperature and a color changing zone of the reversible temperature-sensitive color changing layer in response to the sensed temperature thereby exhibiting a corresponding temperature value.

Abstract: Three organic compounds mixtures of liquid-crystal properties, which when mixed together in a precisely determined weight ratio, may show an ability to form thermo-optically active mesophases of established, narrow range thermooptical transitions separation, every 0.5° C., in the temperature range: from 31.8° C. to 32.8° C., from 32.8° C. to 33.8° C., and from 33.8° C. to 34.8° C. and system including these mixtures. The use of these mixtures and the system containing the above mentioned mixtures for colorimetric detection of temperature differentiation on the surface of biological objects in a narrow range of temperatures.

Abstract: A temperature descending indicator which gives a visual indication when the indicator has been exposed to temperatures below a set threshold temperature includes a container having a translucent portion, a first temperature sensitive gel of a first color which will convert to liquid when it is exposed to temperatures below the set threshold temperature, and a second temperature sensitive gel of a second color which will convert to liquid when it is exposed to temperatures below the set threshold temperature, wherein the second temperature sensitive gel is disposed adjacent the translucent portion in a manner to obscure the visibility of the first temperature sensitive gel. A method of making the indicator includes disposing one color gel over the other.

Abstract: A video conference system provides “in the room” telepresence to near end participants. The video conference system includes a frameless or bezelless display device placed in front of a front wall for displaying edge-to-edge 3D images of far end participants. Color of the near end front wall is configured to be the same as the color of the far end rear wall. As a result, images displayed on the display device can merge or blend into the near end front wall, giving the near end participants the perception that the far end participants are actually in the near end conference room. Brightness of the faces/bodies of the near end participants can also be adjusted to match the brightness of the face/bodies of the images of the far end participants as they appear on the display device—therefore enhancing the in the room perception of the far end participants.

Abstract: A temperature management member under a reduced-pressure atmosphere, wherein the difference in the discoloration temperature of a temperature-sensitive discoloration layer between under an atmospheric pressure atmosphere and under a reduced-pressure atmosphere can be minimized. A temperature management member under a reduced-pressure atmosphere includes a temperature-sensitive discoloration layer which contains granular or powdery hot-melt matter that melts at a melting temperature corresponding to a heating temperature to be detected under a reduced-pressure atmosphere and which is discolored in response to the hot melting thereof, and a difference in the melting temperature of the hot-melt matter within the temperature-sensitive discoloration layer between under an atmospheric pressure atmosphere and under the reduced-pressure atmosphere is 5° C. at most.

Abstract: A temperature descending indicator which gives a visual indication when the indicator has been exposed to temperatures below a set threshold temperature includes a container having a translucent portion, a first temperature sensitive gel of a first color which will convert to liquid when it is exposed to temperatures below the set threshold temperature, and a second temperature sensitive gel of a second color which will convert to liquid when it is exposed to temperatures below the set threshold temperature, wherein the second temperature sensitive gel is disposed adjacent said translucent portion in a manner to obscure the visibility of the first temperature sensitive gel. A method of making the indicator includes disposing one color gel over the other.

Abstract: A method for installing function monitoring means in a flow machine installation, wherein the function monitoring means are formed by at least one thermochromic paint, and wherein the method comprises: selecting at least one component of the flow machine installation whose function is to be monitored; selecting a predetermined thermochromic paint for the component whose function is to be monitored; applying the thermochromic paint on the component whose function is to be monitored; and wherein the thermochromic paint is applied to at least one component of the flow machine installation, which component is to be monitored with respect to the through-flow of process fluid therein.

Abstract: There is described a substrate with a coating; the coating contains a coating matrix in whose matrix structure multilayered and/or encapsulated nanoparticles are arranged and release a dye when a limit temperature is exceeded the first time and/or trigger a color reaction which causes the color of the coating to change irreversibly.

Abstract: This invention relates to temperature indicators, particularly the invention relates to temperature indicators which can be used to indicate the temperature of temperature changing material or element. The disadvantages of prior art solutions include the toxicity of the material acting as an indicator or the poor ability to detect the colour change. In the solution according to the invention, the temperature indicator contains bismuth oxide and potentially one or more colouring pigments mixed into the bismuth oxide.

Abstract: Nanowire array structures based on periodic or aperiodic nanowires are provided in various configurations for sensing and interacting with light and substances to provide various functions such as sensors for detecting DNAs and others and solar cells for converting light into electricity.

Abstract: A temperature sensing device includes a casing having top and bottom walls with at least one wall connecting the top and bottom walls so that the casing is sealed, the top, bottom, and side walls being constructed of a heat resistant material. The sensing device includes a probe having a first portion attached to the casing bottom wall and extending downwardly and a second portion situated inside the interior space, the first and second portions being operatively connected to one another to transfer thermal energy therebetween. The probe second portion is coated with a thermochromic material that is color responsive to temperature. At least one wall of the casing defines an aperture that is covered by a material that is heat resistant, the probe second portion being viewable through the aperture for determining a temperature of an article of meat.

Abstract: The invention relates to a composite with inverse thermochromic properties, the composite changing from a colorless into a colored state with increasing temperature. The composite thereby contains a colorant, a developer and a fluxing agent and also an inorganic filler. The invention likewise relates to a composite material which contains a polymer-based matrix into which at least one composite with inverse thermochromic properties is doped. These composite materials are used in the field of sensor technology, solar technology, transport and communications technology and medical technology.

Abstract: Provided a measuring apparatus includes a wavelength dispersion device which dispersed light reflected by one surface of an examination target having a thickness D and light reflected by a rear surface of the examination target, as incident light, a detector in which a plurality of photodetection elements receiving light dispersed by the wavelength dispersion device and detecting a power of the received light in are provided in an array shape, and a piezoelectric device which is attached to the detector to convert an applied voltage into a mechanical power, wherein the detector detects the power of the received light when the detector is shifted by the mechanical power converted by the piezoelectric device as much as d/m, where d is a width of each of the photodetection elements in an array direction and m is an integer equal to or greater than 2.

Abstract: A thermochromic indicator is vertically disposed on a rack. Such that the thermochromic indicator is visible from a distance. In some examples, the thermochromic indicator indicates a bulk air temperature and a gradient air temperature. The thermochromic indicator provides a real-time visual of air temperatures of computing equipment and devices housed within a computing facility. The thermochromic indicator may be vertically disposed on a front-face and/or a back-face or a rack. A plurality of thermochromic indicators may be disposed on a plurality of front-faces and/or back-faces of racks of an array of racks.

Abstract: A temperature indication structure for a thermometer includes a temperature indication portion made of a heat conductive layer to receive a heat flow. A structure with temperature indication markings is disposed on or above the temperature indication portion. A reversible temperature-sensitive color changing layer is formed on the temperature indication portion to overlap the structure of the temperature indication markings. The heat conductive layer is adapted to conduct the heat flow to the reversible temperature-sensitive color changing layer, producing a sensed temperature and a color changing zone of the reversible temperature-sensitive color changing layer in response to the sensed temperature thereby exhibiting a corresponding temperature value.

Abstract: A heat conductive structure for a thermometer with a structure with temperature indication markings includes a probe structure with a thermal conductive surface. A temperature indication portion is disposed adjacent to the probe structure. A reversible temperature-sensitive color changing layer is formed on the temperature indication portion to overlap the structure of the temperature indication markings. The probe structure is adapted for sensing the thermal contact surface to conduct heat flow to the reversible temperature-sensitive color changing layer, producing a sensed temperature and a color changing zone of the reversible temperature-sensitive color changing layer in response to the sensed temperature thereby exhibiting a corresponding temperature value.

Abstract: A thermometer includes a protective structure and a tip member with a thermal contact surface secured to the protective structure. A heat conductive layer includes a sensing portion disposed in the tip member and a temperature indication portion disposed in the protective structure. A structure with temperature indication markings is laid out along the temperature indication portion. A reversible temperature-sensitive color changing layer is formed on the temperature indication portion to overlap the structure of the temperature indication markings, in which the sensing portion is adapted for sensing the thermal contact surface to conduct heat flow to the reversible temperature-sensitive color changing layer, producing a sensed temperature and a color changing zone of the reversible temperature-sensitive color changing layer in response to the sensed temperature thereby exhibiting a corresponding temperature value.

Abstract: A thermocromatic device for detecting body temperature includes a substrate treated with a thermocromatic composition. The thermocromatic composition includes a thermocromatic agent that changes color at a predetermined temperature indicative of a condition to be detected.

Abstract: A temperature monitoring system for a media heater of an imaging device comprises a temperature indicator overlying a surface of a media heater of an imaging device. The temperature indicator is configured to vary an optical property in response to changes in temperature at the surface of the media heater. The system includes an optical scanner for scanning the temperature indicator to detect the optical quality. The optical scanner is configured to generate a signal corresponding to the detected optical property.

Abstract: A temperature sensing device includes a casing having top and bottom walls with at least one wall connecting the top and bottom walls so that the casing is sealed, the top, bottom, and side walls being constructed of a heat resistant material. The sensing device includes a probe having a first portion attached to the casing bottom wall and extending downwardly and a second portion situated inside the interior space, the first and second portions being operatively connected to one another to transfer thermal energy therebetween. The probe second portion is coated with a thermochromic material that is color responsive to temperature. At least one wall of the casing defines an aperture that is covered by a material that is heat resistant, the probe second portion being viewable through the aperture for determining a temperature of an article of meat.

Abstract: In one embodiment, an apparatus includes a substrate layer having a first and second sides, and at least one thermochromic compound layer to generate a set of temporary marks. The set of temporary marks is configured to include a first temporary mark at a first impact location associated with a first impact to a surface of a first object by a second object, and subsequent temporary marks at subsequent impact locations associated with subsequent impacts to the surface of the first object. The thermochromic compound layer can be in direct contact with the second object during the first impact, and is configured to enable the first temporary mark to fade throughout a fading period accommodative of the subsequent impacts, and to remain distinguishable throughout the fading period from the subsequent temporary marks. Other examples, embodiments and related methods are described and claimed herein.

Abstract: An apparatus indicates a temperature of an object. The apparatus includes a porous substrate, a mirror image of a first image pattern printed with a first phase-change ink having a first phase change temperature on a first side of the porous substrate, and an adhesive layer applied to the first side of the porous substrate to enable the porous substrate to be affixed to an object.

Abstract: A system and method for controlling a temperature indicator stick includes a housing having an interior configured to receive the temperature indicator stick configured to indicate a predetermined temperature through a physical change or a chemical when exposed to the predetermined temperature. A gear is supported by the housing that extends from beyond an exterior of the housing into the interior of the housing to engage the temperature indicator stick. Accordingly, rotation of the gear from the exterior causes a retraction or advancement of the temperature indicator stick to and from the interior of the housing.

Abstract: Temperature-sensitive films that undergo an irreversible change in appearance when the films are heated to a threshold temperature are provided. Also provided are methods for indicating that an object in thermal contact with a temperature-sensitive film has reached a threshold temperature.

Abstract: An indicator composition for determining a thermal or chronological history during shipping or storage of a product. The composition includes a plurality of nanoparticles dispersed throughout a matrix. The nanoparticles turn color while dispersed in the matrix as a function at least one of time and temperature.

Abstract: A system and method for controlling a temperature indicator stick includes a housing having an interior configured to receive the temperature indicator stick configured to indicate a predetermined temperature through a physical change or a chemical when exposed to the predetermined temperature. A roller drive is supported by the housing to engage the temperature indicator stick. Accordingly, rotation of the drive roller causes a retraction or advancement of the temperature indicator stick to and from the interior of the housing. Additionally, the housing and temperature indicator stick may include a key system to keep the temperature indicator stick in a substantially fixed rotational position with respect to the housing as the temperature indicator stick advanced from and retracted into the housing.

Abstract: A method for determining the relative body temperature of a warm-bodied animal is described. The method, in part, involves an article of manufacture that provides a manifestation, or visually observable indication on an exterior surface, of a relative state of the warm-bodied animal's body temperature, either being too cold or too hot, as a measure against relative levels of hypothermia or hyperthermia, or poor circulation.

Abstract: An image forming apparatus that can accurately detect whether any one or multiple of a thermochromic member, an optical sensor, and a cooling fan are operating normally or abnormally, and accordingly can run the cooling fan without any failure. The image forming apparatus includes: first and second controlling unit; a thermochromic member that changes color according to the temperature of the first controlling unit; an optical sensor that optically detects a change in the color of the thermochromic member; and a failure detecting unit that is included in the second controlling unit and detects a failure occurring in the thermochromic member and/or the optical sensor based on whether a utilization of the first controller is high or low and a signal from the optical sensor.

Abstract: A discharge lamp having a visual-change timer is described. The visual-change timer is comprised of a ceramic material that provides an indication of the cumulative operating time of the lamp. The visual-change timer is expected be a help to consumers in avoiding unnecessary, premature, and costly lamp replacement and a help to lamp manufacturers in verifying the validity of warranty claims for replacement lamps.

Abstract: A method of generating a function that correlates semiconductor temperature with semiconductor lifetime including applying resonant frequency laser illumination to the semiconductor.

Abstract: The present invention provides devices, systems and methods for orthodontic treatment using elastic repositioning appliances while concurrently providing dental and periodontal therapies. Such therapies are traditionally provided with the use of a variety of accessories and devices which are applied when the repositioning appliance is removed from the patient's mouth. The present invention eliminates the need for such removal and additional devices by incorporating these therapies into the repositioning appliance.

Abstract: A temperature-indicating element for a refrigeration device, including a support or backing, a thermochromic layer applied to the backing for indicating the temperature is suitable for items stored in the location of the element. A transparent potting compound encompasses and protects the thermochromic layer on the backing.

Abstract: The invention is an optical method and apparatus for measuring the temperature of semiconductor substrates in real-time, during thin film growth and wafer processing. Utilizing the nearly linear dependence of the interband optical absorption edge on temperature, the present method and apparatus result in highly accurate measurement of the absorption edge in diffuse reflectance and transmission geometry, in real time, with sufficient accuracy and sensitivity to enable closed loop temperature control of wafers during film growth and processing. The apparatus operates across a wide range of temperatures covering all of the required range for common semiconductor substrates.

Abstract: A thermocromatic device for detecting body temperature includes a substrate treated with a thermocromatic composition. The thermocromatic composition includes a thermocromatic agent that changes color at a predetermined temperature indicative of a condition to be detected.

Abstract: A temperature monitoring process for a refrigerator interior and a device for such monitoring. A monitoring unit is formed by a temperature sensitive element and a thermal buffer liquid in a transparent container. The monitoring unit container is placed in the refrigerator in any location to be monitored. The temperature is visually detected by observing a temperature related variable characteristic of the temperature sensitive element, such as the color of one or more areas of the temperature sensitive element.

Abstract: Temperature-sensitive films that undergo an irreversible change in appearance when the films are heated to a threshold temperature are provided. Also provided are methods for indicating that an object in thermal contact with a temperature-sensitive film has reached a threshold temperature.

Abstract: A product shelf life monitoring system comprises a label substrate bearing upon a limited portion of its area an active indicator composition responsive to varying temperature over time to effect a visible change in color density or the like. The susceptibility of the indicator composition to similarly respond to incidence of vagrant ultraviolet light is ameliorated by application of an area of ultraviolet light absorbent composition in register above the indicator composition and extending at most only slightly beyond the periphery of the area of indicator composition. In this manner, the remaining area of the label is preserved for ultraviolet light responsive implementations, and only a minimal, economical amount of ultraviolet light absorbent composition is expended.

Abstract: The invention provides a temperature-threshold indicator device 10 comprising a sealed housing 12 having at least one surface 14 which is transparent and containing a suspension of inorganic nanoparticles 18 suspended in a liquid medium wherein the suspension undergoes an irreversible detectible change in optical characteristics upon freezing of the liquid medium due to aggregation of the nanoparticles, and wherein the device is provided a with means for association thereof with a product whereby the temperature-threshold indicator device 10 serves to determine whether the product has been exposed to an environment of predetermined coldness.

Abstract: The present invention relates to an over temperature alarm indication apparatus. In order to solve the problem of high cost in the prior art, the apparatus in the present invention comprises a first sealed and transparent container with fixed cubage and a second sealed and transparent container with variable cubage. Said first container and second container are connected through a thin tube, and a certain amount of liquid is filled in said thin tube; alarm indication material for generating color changing effects upon receiving liquid from said thin tube is provided in said first and second container; wherein the change of the environment temperature will cause the air in said first and second container to expand and shrink, and thus move said liquid in said tube.

Abstract: A system and method for a multi-temperature indicator stick. The multi-temperature indicator stick includes an elongated stick configured to indicate two or more predetermined temperatures. The elongated stick includes a first temperature indication material configured to indicate a first predetermined temperature upon being subjected to the first predetermined temperature. The elongated stick also includes a second temperature indication material configured to indicate a second predetermined temperature upon being subjected to the second predetermined temperature. The first temperature indication material and the second temperature indication material share a common interface extending longitudinally along the elongated stick.

Abstract: A temperature sensitive label may be affixed to a temperature sensitive item. The temperature sensitive label conveys when the item has reached a tripping temperature. The tripping temperature may be a temperature at which the item is compromised. To convey this, the label changes properties and functions with a message to convey that the item has been exposed to the tripping temperature. For example, the label may reveal, block, or alter a message that conveys whether the item has been exposed to the tripping temperature. The message may be part of the label or separate from the label.

Abstract: A thermally sensitive device having a thermochromic indicating member is described. The device is prepared from a thermally conductive material and has at one end an indicating member that is formed from a thermochromic material.

Abstract: Device for registration of temperature over an area by means of thermochromatic materials, which includes one, two or several layers (1, 3) with thermochromatical material, and one or several surrounding heat storing plastic layers (4, 6) that extend the reading time with maintained heat picture. In the case with several thermochromatic layers these preferably are of different termocromatical materials reacting at different temperatures and so chosen and so arranged that the termocromatic materials together constitute a scale of temperature areas. By means of a template the colors in the termocromatic layers can be interpreted to temperatures or temperature intervals and be noted.

Abstract: An image forming apparatus that can accurately detect whether any one or multiple of a thermochromic member, an optical sensor, and a cooling fan are operating normally or abnormally, and accordingly can run the cooling fan without any failure. The image forming apparatus includes: first and second controlling unit; a thermochromic member that changes color according to the temperature of the first controlling unit; an optical sensor that optically detects a change in the color of the thermochromic member; and a failure detecting unit that is included in the second controlling unit and detects a failure occurring in the thermochromic member and/or the optical sensor based on whether a utilization of the first controller is high or low and a signal from the optical sensor.

Abstract: A label arrangement is outfitted upon a beverage container. The label arrangement comprises a plurality of dynamic zones, each of which is provided with a select thermochromic ink or paint. Each select thermochromic ink or paint is chosen and arranged within the dynamic zones such that a temperature change through a range will effect a series of successive and sequential color or visual changes in the ink or paint media. In other words, as the beverage container changes temperature, the label arrangement will progress through a series of successive and/or sequential color changes as set apart by zones within the label arrangement to effect a visually dynamic temperature indicator.

Abstract: Dual-wall container includes an outer wall that is at least one of at least partially substantially transparent and at least partially substantially translucent, an inner wall adapted to contain a substance, at least one symbol arranged an outer surface of the inner wall, and at least one of a coating of a thermochromatic composition arranged on the outer surface of the inner wall, a thermochromatic composition layer arranged on the outer surface of the inner wall, and a thermochromatic composition arranged on an outer surface of at least the at least one symbol. The thermochromatic composition is structured and arranged to change color when the inner wall experiences or senses a temperature change. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: A lid (30) for a disposable beverage container (32). The lid (30) includes at least a region having thermochromic properties which is/are adapted to change color upon reaching a predetermined non-ambient temperature in response to heat transfer from or to contents (40) of the container (32). Also disclosed is a lid (60) including at least one recess (62) having an internal side wall or walls (64) that substantially correspond in size and shape to the external side wall(s) (66) of a container (68). The lid internal side walls (64) are adapted to securely frictionally engage, over substantially their entire surface area, the external side wall(s) (66) of another like container (68).

Abstract: An indicator composition for determining a thermal or chronological history during shipping or storage of a product. The composition includes a plurality of nanoparticles dispersed throughout a matrix. The nanoparticles turn color while dispersed in the matrix as a function at least one of time and temperature.

Abstract: An excess temperature indicator can provide a visual indication of past exposure of perishable, maturing and other host products to an elevated temperature exceeding a threshold temperature. The indicator can have an upper layer provided with a viewing window and a wick attached to the upper layer. A reservoir of heat-fusible indicator material can be disposed in contact with the wick, to fuse and move along the wick changing the visual appearance of a first portion of the wick viewable through the window, in response to an excess temperature event. Also, the indicator can have a region of fused upper layer material attaching the wick to the upper layer. Optionally, a window seal can extend around the viewing window to prevent migration of the indicator material. The indicator can be employed to monitor vaccines, foods and other products providing an enduring visual signal of exposure to potentially damaging temperature conditions.

Abstract: Disclosed herein is a temperature monitoring system including a circuit board and a thermochromic coating covering at least a portion of the circuit board, wherein the thermochromic coating is capable of indicating a temperature gradient on the circuit board. The thermochromic coating may comprise a color forming leuco dye, an activator, and optionally a deprotecting agent.