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WO/2005/071373A1 |
Time-temperature integrators (TTIs) are useful for providing a means to monitor safety of fresh foods, particularly foods packaged in reduced-oxygen environments. TTIs of the present invention utilize Arrhenius-type curves to offer safet...
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WO/2005/066598A1 |
A fiber optic sensor for monitoring point temperature of in situ reactions in remote, based on the principle of guiding light by means of total internal reflection (TIR) occurring in a right-angled prism, mounted on a glass capillary tub...
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WO/2005/064295A1 |
Assembly system (10) for a thermocouple (16) for a gas turbine equipped with a supporting element (12) in which the thermocouple (16) is housed, the supporting element (12) has a series of holes (45) for the inlet of the discharge gase...
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WO/2005/054834A1 |
In a non-destructive method for determining the internal structure of a heat conducting body (3), such as a cooling structure of a turbine blade (3), a flow medium is passed through the internal structure and the resultant thermal image ...
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WO/2005/033642A1 |
A method of verifying the usability of a photosensitive film product just prior to use by applying at least one environmental sensitive label to the photosensitive film product. The environmental sensitive label has at least one cumulati...
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WO/2005/031750A1 |
The present invention is a random access memory device including a temperature sensing circuit, and method of using the same. The temperature sensing circuit includes a first and a second comparator. Each comparator is configured to rece...
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WO/2005/028814A1 |
The invention relates to a method for identifying the operating condition of a turbine (1) during operation. According to said method, a hot waste gas flows through a waste gas housing (9) and the temperature of the waste gas in said hou...
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WO/2005/026383A1 |
The invention relates to a method of determining whether or not a product is in a condition for use or consumption, whereby said product is intended to be preserved in temperature conditions and for a period of time which limit the degra...
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WO/2005/016654A1 |
The present invention relates to a method of printing a substrate, comprising (a) printing onto the substrate a time-temperature integrator which comprises at least one indicator having photochromic properties based on transfer reactions.
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WO/2005/008202A2 |
A method and system to represent surface temperatures. The method and system represent a surface temperature experienced by a medical device during a washing cycle in a medical washing machine. A temperature strip is positioned proximate...
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WO/2004/111662A2 |
An Ultra-low power voltage detection circuit is implemented in a digital integrated circuit to device to provide a basic timer, programmable timer and programmable low voltage detection (PLVD) using a single connection of the digital int...
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WO/2004/099744A2 |
The present invention relates to reliable and accurate techniques and devices for detecting and indicating temperature-related conditions and events associated with various items such as foods and medicines.
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WO/2004/092697A1 |
In a first aspect, the invention relates to a temperature indicator for packages intended for keeping goods in a preservative state in which the temperature must not exceed a certain limit value. The temperature indicator comprises a por...
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WO/2004/083798A1 |
A temperature-monitoring device for attachment to an item, e.g. a frozen food or health product, includes a trigger member (3) that is triggered by a set temperature condition to change state and so register exposure to the temperature c...
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WO/2004/081505A1 |
An electronic assembly may be contained in a label that performs a check if time temperature levels have been reached that may compromise the quality, shelf life, or safety of the item to which the label is affixed. The label may be used...
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WO/2004/077172A2 |
A timing device for visually indicating the passage of a duration of time is disclosed. The timing device and system, in accordance with the embodiments of the invention, is sectioned into zones with different rates of reactivity and/or ...
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WO/2004/077001A1 |
The present invention relates to time-temperature integrating indicators, also known as TTI indicators, which are easily printable on substrates, such as packaging materials, and to a method for the manufacture of packaging materials com...
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WO/2004/077002A1 |
The invention relates to an electrical and/or optical temperature detector/indicator based on conductive polymers, said detector/indicator being suitably used in such packages for products, the temperature changes of which need to be mon...
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WO/2004/057287A1 |
The invention discloses a temperature-proofreading ring ,which mainly composed of magnesia, potassium oxide, barium carbonate, titanium oxide, silicon dioxide, aluminum trioxide and so on, for monitoring and proofreading the calcining pr...
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WO/2004/050507A1 |
The invention relates to a package for goods having a bar-code (2) and a temperature indicator (3) including a contrast medium between a front wall and a base wall. According to the invention, the temperature indicator (3) is placed besi...
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WO/2004/050506A1 |
The invention relates to a package for goods as well as a temperature indicator (3) intended for the same, including a contrast medium contained between a front wall (9) and a base wall, which medium has a certain colour in a first tempe...
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WO/2004/046562A1 |
A device for controlling temperature rise of an autonomous inverter-driven hydraulic unit comprises a temperature rise control portion (15) and a switch portion (16). The temperature rise control portion (15) performs a predetermined pro...
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WO/2004/038353A1 |
A temperature indicating display device capable of displaying a thermo-history above a predetermined temperature reliably and irreversibly. Moreover, it is possible to provide a laminated body having a temperature detecting layer and an ...
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WO/2004/036116A2 |
The invention relates to a measuring device (26) for a heat exchanger comprising a pressure pipe (1) and at least one thermal element (2, 2'). Said pressure pipe (1) is provided with a pipe wall (3) encompassing a recess (4) which extend...
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WO/2004/030172A1 |
According to the invention, a temperature pattern (7) representing a current operating situation is derived from and classified by means of measured temperature values and/or other temperature information related to the technical install...
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WO/2004/013591A1 |
A cumulative thermal exposure monitor (10) having a housing (11) with a fluid sealed interior cavity (16) and a thermally-responsive member (20) therein formed of a shape memory material which moves an indicator (21), wherein the thermal...
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WO/2003/106205A1 |
A system and method for regulating the temperature of a sensor to reduce temperature gradients that form within the sensor. In one embodiment, the temperature gradients are reduced utilizing a temperature regulator (270) with two control...
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WO/2003/098175A1 |
A system for tracking environmental parameters, such as temperature, associated with a package during transportation and storage thereof, comprises a passive RFID (Radio Frequency Identification) tag adapted for containment within the pa...
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WO/2003/091678A1 |
The invention relates to a device for storing and monitoring products that are temperature-sensitive and susceptible to ageing in a storage container. The products are provided with information elements concerning their age and/or their ...
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WO/2003/085360A1 |
Described herein are wireless interrogation systems and methods that rely on a complementary sensing device and interrogator. The sensing device is disposed to measure a parameter indicative of the health of a structure. A sensor reading...
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WO/2003/084450A2 |
Time or time-temperature indicating articles (2) are described comprising a housing enclosing: (a) a first fluid reservoir (14) at least partially filled with a first fluid (16); (b) a substrate (8) comprising a plurality of channels; (c...
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WO/2003/077227A2 |
The present invention relates to a time indicating label (100) comprising (a) a label substrate (102) having a first and second surface, (b) an acid-based indicator composition (104), and (c) an activator composition (106), wherein one o...
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WO/2003/069377A2 |
A method and apparatus for performing characterization of devices is presented. The characteristic of the device are determined by obtaining a first temperature measurement in a first location of a device, obtaining a second temperature ...
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WO/2003/058552A1 |
A system for measuring differences (7) in a physical variable, such as temperature or voltage, by utilizing predictable behavior in the relative time drift of offset curves for various circuit elements, including, for example, two sensor...
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WO/2003/052354A1 |
An electronic device is proposed for accompanying a perishable good during one period to monitor the exposure of the good to an environmental parameter, such as temperature. The device includes a data interface for receiving data represe...
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WO/2003/052721A1 |
A period indicator composed of a base having a liquid permeability and an indicating part having a liquid permeability, formed partly on the base, and made of a material with a low refractivity to light. The period indicator contains a v...
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WO/2003/025529A1 |
The invention concerns a method, a system and a component for systematically and automatically controlling a product (1) whereof the preservation in a distribution circuit depends on temperature, in particular a product (1) subjected to ...
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WO/2003/025530A1 |
The present invention provides a time-temperature integrating indicator having an amorphous material in operable contact with a porous matrix, wherein the amorphous material only migrates into the porous matrix at or above a predetermine...
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WO/2003/014681A1 |
A device and method of making a device for indicating a change in condition is disclosed. A first embodiment is a device for indicating a transition from a frozen condition to a thawed condition is disclosed. The device includes a housin...
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WO/2003/006941A1 |
A thermal history indicator comprising a temperature sensitive material, a sensing device, a heat insulating material functioning to buffer the temperature sensitive material against temperature change, and an activation means. The trigg...
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WO/2003/007088A2 |
A time indicator comprising a first reservoir (13), a migration medium (11) and activating means for bringing liquid from the first reservoir (13) in contact with the migration medium (11) so that after activation the liquid migrates thr...
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WO/2003/001169A1 |
A multipoint temperature sensor (10) for measuring fluid temperature in a duct includes multiple thermistors (12) of equal resistance, spaced apart in a circuit. Each thermistor has a positive lead (32) and a negative lead (42) for conne...
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WO/2002/097385A1 |
This invention relates to a method for determining the absolute temperature of a substance, comprising the steps of: sensing the absolute temperature of the substance and generating an absolute value associated therewith; sensing a tempe...
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WO/2002/095894A2 |
Device for the survey of temperature variations in a direct current electrical installation, comprising a first temperature sensor (2) for the survey of the temperature of an electric circuit, a first displaying device (5) for displaying...
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WO/2002/095344A1 |
The invention relates to a temperature sensor in which a plurality of resistances which are used to detect temperature are wired together in a circuit with different time constants. A Wheatstone bridge is preferably used, said bridge bei...
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WO/2002/077590A1 |
The invention relates to a device for monitoring temperatures, comprising an ultraphobic surface.
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WO/2002/048664A1 |
A transparent face temperature sensor (3) comprises a thermosensitive transparent insulation substrate (7), a thermosensitive transparent conductive film (9) formed over its one face, a pair of thermosensitive terminals (11, 11), and a p...
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WO/2002/040066A1 |
The invention relates to a measuring device for detecting temperature-dependent measured values or temperature-dependent combinations of physical influencing factors, especially for measuring temperatures in sterilising apparatus. The in...
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WO/2002/039196A1 |
A timing device for visually determining the passage of a preselected period of time including a tube (2) having opposed ends with at least one of the opposed ends having a reservoir (10a, 10b) for storing a reactant or an indicator, a t...
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WO/2002/033370A1 |
The invention concerns a marking device capable of revealing a cancellation after a predetermined time interval. Said device is characterised in that it comprises on a porous support (1) provided with a print (7) on its front (10) and an...
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