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| Number | Title | Issue Date |
| 8049186 | UV-dosis indicators The present application provides a composition showing a color change depending on the absorbed radiation-dose, comprising (a) an acid responsive colorant; (b) a photolatent acid; characterized in that (b) is a sulfonyloxime ester compound; and its use as a radiatio... | 11/01/2011 |
| 7989781 | Detector for a UV false positive of radiation sensitive devices Disclosed is a detector for monitoring a UV false positive from genuine X-ray positive of color developing radiation sensitive devices. A layer which can be scratched off and is opaque to undesired radiation but transparent to X-ray is printed on the sensor. If the ... | 08/02/2011 |
| 7956334 | Radiation dosimeter for fluid very small substances, and method of measuring radiation dose Provided are a radiation dosimeter for fluid very small substances, which, in a radiation irradiation device for applying a radiation to a fluid very small substance in a fluid in a treatment chamber, can easily and accurately determine a dose distribution and/or mi... | 06/07/2011 |
| 7750317 | Ionizing radiations A method of determining the radiation doses to which specific locations are subjected is provided. The method comprises providing an assembly comprising a plurality of layers, each of which includes a number of regularly spaced individual compartments that contain a... | 07/06/2010 |
| 7629592 | Apparatuses, components and methodologies for determining suitability conditions for plant growth Mechanisms are provided to easily determining an indication of the amount of light available at a growing location over a given period of time. Such mechanisms may be used indoors or outdoors and are designed so as to provide an easily readable and understandable in... | 12/08/2009 |
| 7619226 | Integrated optical neutron detector A system and method for detecting radiation from a source in a container is disclosed. A continuous optical fiber path is disposed in a medium which is part of or associated with a container and which totally encapsulates the inside volumetric space of the container... | 11/17/2009 |
| 7589331 | UV-C sensitive composition and dosimeter The invention is a UV sensitive composition that undergoes a color change upon exposure to a predetermined dosage of UV-C radiation. The UV-C sensitive composition comprises a halogenated polymer, such as polyvinylidene chloride, that produces an acid upon exposure ... | 09/15/2009 |
| 7573048 | Tamper resistant self indicating instant alert radiation dosimeter A tamper resistant and evident, self indicating instant radiation alert dosimeter (referred to as SIRAD) made by encapsulating a radiation sensing system in a polymeric material is disclosed. SIRAD is made from many layers of polymeric materials by multi-step proces... | 08/11/2009 |
| 7518126 | Dosing film and associated method A dosing film for measuring ultraviolet rays and/or electron beams, formed of a radiation-sensitive layer having covering films on both sides. ... | 04/14/2009 |
| 7482601 | Radiation sensitive film including a measuring scale An article of manufacture comprising a radiation sensitive material, and a measuring scale that is part of the radiation sensitive material. A method of measuring at least one parameter relating to an irradiated material is also described. A radiation sensitive mate... | 01/27/2009 |
| 7405412 | Method for calibrating a radiation detection medium A method for calibrating a radiation detection medium by exposing arbitrary locations of a radiation detection medium to a plurality of known radiation dose levels is described. One particular aspect of the method includes the steps of automatically determining the ... | 07/29/2008 |
| 7365331 | Method of detecting a printable surface A method of processing postal articles in which a physical magnitude is measured in order to detect (2) whether the outside surface of a postal article is made of a plastics material, and in which a digital image of said outside surface of the postal article ... | 04/29/2008 |
| 7361908 | Radiation dose estimation for radiochromic films based on measurements at multiple absorption peaks A method of estimating a radiation dose deposited on a radiochromic film based on absorption measurements at least at two wavelengths as well as devices implementing the estimation method. The method includes the following steps: (a) measuring absorption values at a... | 04/22/2008 |
| 7335899 | Media for detection of X-ray exposure The invention relates to An X-ray exposure indicator device comprising a solid X-ray sensitive material that upon X-ray exposure undergoes a chromatic change, wherein the exposure indicator device does not significantly change color when subjected to UV or visible r... | 02/26/2008 |
| 7332728 | Tamper-proof container A system and method for detecting radiation from a source in a container is disclosed. A continuous optical fiber path is disposed in a medium which is part of or associated with a container and which encloses the volumetric space of the container. The optical fiber... | 02/19/2008 |
| 7314610 | Dental compositions having anti-stokes up converters and methods of use A dental composition can include at least one polymerizable resin and at least one anti-stokes up converter. Alternatively, a two-part composition can include at least one dental composition configured for placement onto a person's tooth, and at least one anti-stoke... | 01/01/2008 |
| 7282165 | Wear resistant hydrogel for bearing applications A wear resistant hydrogel for use as a prosthetic implant, such as for cartilage, is made by forming a solution of polyvinyl alcohol in a solvent of DMSO/water. The solution is placed in a mold and is gelated by cycling the mold in a freeze-thaw cycle at a temperatu... | 10/16/2007 |
| 7271393 | UV radiation meter using visible light sensors An apparatus for quantifying irradiance has a first sensor having an output for providing a reference signal of irradiance within a first band, such as the visible light band. A filter and a second sensor are in optical series so that irradiance sensed at the second... | 09/18/2007 |
| 7270790 | Sterilizer monitoring and controlling system and method A system and method are provided for monitoring and/or controlling a sterilization system. Briefly described, in architecture, the system can be implemented as follows. A current transformer is operatively associated with a source of power for a radiation source. A ... | 09/18/2007 |
| 7267988 | Dosimeter with conducting layer An element for ascertaining radiation dosage comprising: a flexible polymeric support, a first coated layer, said coated layer comprising a electrically conducting material and a binder and a second coated layer, said coated layer comprising a binder and alanine whe... | 09/11/2007 |
| 7265343 | Apparatus and method for calibration of an optoelectronic sensor and for mensuration of features on a substrate The invention is based on an apparatus and a method for calibration of an optoelectronic sensor (3) that at least intermittently also receives UV light. A first response characteristic of the sensor (3) is ascertained by illuminating the sensor (3 | 09/04/2007 |
| 7265358 | Device to prevent the risk of overexposure to harmful solar radiation A device intended to reduce the risks of overexposure to harmful solar radiation. The device includes a detection arrangement, including at least one sensor sensitive to solar radiation, in particular UV. In addition, an arrangement is linked to the detection arrang... | 09/04/2007 |
| 7253422 | Container having irradiated indicia A method of making an identifiable container by providing a molded plastic container that includes at least one layer of material blended with an additive. A mask is provided having a radiation aperture in the form of identifiable indicia, and radiation is directed ... | 08/07/2007 |
| 7242010 | GaSe crystals for broadband terahertz wave detection A broad bandwidth detector to measure intensity information of terahertz (THz) frequency pulses. The detector includes: coupling optics coupled to a coherent optical source; a GaSe substrate aligned such that the probe beam path intersects a first surface at a phase... | 07/10/2007 |
| 7230250 | Real-time self-networking radiation detector apparatus The present invention is for a radiation detector apparatus for detecting radiation sources present in cargo shipments. The invention includes the features of integrating a bubble detector sensitive to neutrons and a GPS system into a miniaturized package that can w... | 06/12/2007 |
| 7227158 | Stick-on self-indicating instant radiation dosimeter A dual dosimeter system with (1) a stick-on, self-indicating, instant radiation dosimeter applied onto (2) a conventional radiation dosimeter and/or detector for monitoring high energy radiations, such as X-ray, electrons and neutrons. Radiation dosimeters, such as ... | 06/05/2007 |
| 7220535 | Marking and authenticating articles Disclosed herein are methods and apparatus for providing markings upon objects, including the read side of an optical information media, where the markings do not substantially interfere with object, including the use of the optical information media. This invention... | 05/22/2007 |
| 7211808 | Method and element for measuring radiation A dosimeter and method of measuring an absorbed dose of ionizing radiation using the dosimeter comprising at least one first region containing a radiation sensitive material, and a second region containing an identification mark are described, wherein the method inc... | 05/01/2007 |
| 7211783 | Tamper-proof container A sheet includes an optical fiber extending across at least a portion of its surface to detect nuclear radiation. The sheet can line at least a portion of a shipping container or box. Radiation within or outside the container or box reduces optical transmissibility ... | 05/01/2007 |
| 7184569 | Marking articles using a covert digitally watermarked image A marking system that includes forming at least one marking in or on an article, wherein the image formed is not visible to the unaided human observer, and further contains at least one digital watermark. The digitally watermarked image comprises emissive and photoa... | 02/27/2007 |
| 7166851 | Semiconductor chip-based radiation detector The present invention is a self-contained device for measuring exposure to radiation which includes an integrated circuit device incorporating a polymer dispersed liquid crystal component that resides on a semiconductor substrate. ... | 01/23/2007 |
| 7162919 | Blast pressure gauge Blast pressure gauges and methods for detecting blast pressure during a blast test. The gauges operate independently of power sources, are portable, and are used in harsh environments including test ranges. Each embodiment is constructed to detect blast pressures as... | 01/16/2007 |
| 7147801 | Ink jet ink composition and method for security marking Disclosed is an ink composition suitable for ink jet printing comprising a luminescent compound, a solvent, and an energy active compound, and optionally a non-luminescent colorant. The energy active compound, when exposed to energy, generates one or more active spe... | 12/12/2006 |
| 7141804 | Detection of neutrons and heavy charged particles The present invention provides a method and system for measuring the spatial distribution of fluorescence from the excited radiochromic luminescent material; and for signal processing of the spatial distribution of fluorescence to thereby detect tracks of one or mor... | 11/28/2006 |
| 7098444 | Tamper proof container A liner sheet lines at least a portion of an interior surface of a shipping container or box and defines an optical path extending across at least a portion of the sheet, such that a breach of the interior surface also alters an optical characteristic of the optical... | 08/29/2006 |
| 7098463 | Three-dimensional dosimeter for penetrating radiation and method of use This invention relates to a method of forming a three-dimensional (3D) dosimetric map in a solid translucent or transparent polymer and to an article of manufacture comprising a polymer formulated to capture data imparted by incident penetrating radiation. The prese... | 08/29/2006 |
| 7029819 | Phosphor screen and imaging assembly A phosphor screen comprises an inorganic phosphor capable of absorbing X-rays and emitting electromagnetic radiation having a wavelength greater than 300 nm. The phosphor is disposed on a support that has a reflective substrate comprising a continuous polyester firs... | 04/18/2006 |
| 7028634 | Worklight with thermal warning An enhanced built-in visual warning mechanism to caution a user when the surfaces of a worklight are hot. A worklight is shown that has a housing that includes an interior portion for holding a light source such as one or more quartz halogen bulbs. The light source ... | 04/18/2006 |
| 7019919 | Optical system and imaging device An optical apparatus has a look-up table provided with control information for controlling an optimum variable optical-property optical element in accordance with a distance to an object, a zoom state, or a combination of the distance to the object with the zoom sta... | 03/28/2006 |
| 6998835 | Electromagnetic sensor system and method An electromagnetic sensor system. The system includes an electromagnetic excitable structure that generates an acoustic signal when irradiated with electromagnetic energy; an acoustic energy transducer sensor for generating a first output signal that represents the ... | 02/14/2006 |
