Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8148701 | Dosimeter with RFID tag Described is device comprising dosimeter for measuring one or more doses of radiation; and an RFID tag comprising an antenna for communicating with an RFID tag reader and non-volatile memory for storing data therein. ... | 04/03/2012 |
| 8022374 | Holder device for analyzing characteristics of dosimeter Provided is a holder device for analyzing characteristics of a dosimeter. In the holder device, the dosimeter is located in a desired direction on a radiation path along which radiation is irradiated from a radiation emitter, and a radiation absorbance characteristi... | 09/20/2011 |
| 7781747 | Very thin dosimeter filters and low profile dosimeter encorporating the same The present invention relates to a novel dosimeter filter and a dosimeter incorporating the same. More specifically, one embodiment of the invention relates to a very thin dosimetry device generally comprising: an optically stimulated luminescent material OSLM (i.e.... | 08/24/2010 |
| 7663123 | Fibre optic dosimeter A dosimeter (100) for radiation fields is described. The dosimeter includes a scintillator (1) a light pipe (2) having a first end in optical communication with the scintillator (1) and a light detector (6). The light pipe (2 | 02/16/2010 |
| 7652268 | General purpose, high accuracy dosimeter reader A general purpose high accuracy dosimeter reader, 80, for determination of a treatment condition, based on comparison of an image of treated dosimeter, 111, with a series of images of pre-treated dosimeter, 114, is disclosed. A dosimeter undergo... | 01/26/2010 |
| 7592609 | Thermoluminescent dosimeter for radiation monitoring, comprising LiF doped with Mg, Cu, and Si, and fabrication method thereof Disclosed herein are a thermoluminescent dosimeter for radiation monitoring, comprising LiF doped with Mg, Cu and Si, and a fabrication method thereof. The LiF:Mg,Cu,Si thermoluminescent dosimeter is fabricated by heating a LiF-based thermoluminescent powder materia... | 09/22/2009 |
| 7476874 | Self indicating radiation alert dosimeter Described as a self-indicating instant radiation dosimeter (1001) for monitoring high energy radiations, such as X-ray. The dosimeter contains a radiation sensitive, color changing, indicating composition (10), e.g., a diacetylene (R—C≡C—C≡C—... | 01/13/2009 |
| 7439524 | Thermoluminescence measurements and dosimetry with temperature control of the thermoluminescence element A thermoluminescence (TL) dosimetry (TLD) system comprises at least one TLD element that is controllably heated and which temperature is monitored in real time using an infrared (IR) radiometry subsystem that provides respective IR radiation inputs to a control subs... | 10/21/2008 |
| 7420187 | Citizen's dosimeter The present invention relates to a citizen's dosimeter. More specifically, the invention relates to a small, portable, personal dosimetry device designed to be used in the wake of a event involving a Radiological Dispersal Device (RDD), Improvised Nuclear Device (IN... | 09/02/2008 |
| 7399977 | Apparatus and method for determining radiation dose A radiation dosimeter system and method for estimating a deposited radiation dose to an object involves locating at least one radiation dosimeter at the object. The radiation dosimeter includes a radiation sensitive medium having an optical property that changes due... | 07/15/2008 |
| 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 |
| 7351985 | Portable watch with radiation monitor A wrist-wearable device combines timekeeping functions with monitoring of the radiation dosage to which the user is exposed and of radiation intensity. A Geiger-Muller counter is used as a radiation detector in a wristwatch. A voltage changer changes voltage from 1.... | 04/01/2008 |
| 7317195 | Quantitative transmission/emission detector system and methods of detecting concealed radiation sources Apparatus and methods for screening inanimate objects for detecting concealed radioactive substances. The apparatus and method use a combination of at least one gamma-emission detector and the generation of a transmission image to non-invasively evaluate the content... | 01/08/2008 |
| 7304317 | Phosphor panel with stabilizer Phosphor-containing panels or screens have improved resistance to yellowing and image defects by the incorporation of a primary or secondary amine having a pKa of 8.5 or more and a molecular weight of less than 10,000 daltons into the phosphor layer or an overcoat l... | 12/04/2007 |
| 7285789 | Optical device for surface-generated fluorescence A sample substrate adapted for use with electromagnetic excitation light includes a base and a layer system. The layer system includes a multilayer interference coating with at least two layers wherein the thicknesses of the layers ensure that light emitted by a flu... | 10/23/2007 |
| 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 |
| 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 |
| 7205054 | Metal coordination compound, luminescence device and display apparatus An organic EL device includes a luminescence layer containing a metal coordination compound represented by the following formula (1): LmML′n, wherein M denotes Ir, Pt, Rh or Pd; L denotes a bidentate ligand; L′ denotes a bidentate ligand different from L; m is a... | 04/17/2007 |
| 7157681 | Photomultiplier tube gain stabilization for radiation dosimetry system Methods and means for measuring and adjusting the gain of a photomultiplier tube (PMT), or other photo-detector with electron multiplication gain, for the purpose of achieving accurate light measurement, such as in a luminescent radiation dosimeter reader. With a PM... | 01/02/2007 |
| 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 |
| 7136451 | Method of and system for stabilizing high voltage power supply voltages in multi-energy computed tomography A method of and a system for stabilizing High Voltage Power Supply (HVPS) DC and AC voltages in multi-energy X-ray computed tomography scanners are provided. The method comprises generating filter ratios, computing DC and AC voltages, and feeding back the computed D... | 11/14/2006 |
| 7112194 | Method and apparatus for obtaining irradiation intensity of a laser beam, and apparatus for irradiating the laser beam A method and an apparatus for obtaining irradiation intensity of a laser beam, and a laser beam irradiation apparatus that enable obtaining an irradiation intensity distribution of a laser beam easily, and attaining more accurate ablation. The method for obtaining a... | 09/26/2006 |
| 7105832 | Composite solid-state scintillators for neutron detection Applicant's present invention is a composite scintillator for neutron detection comprising a matrix material fabricated from an inorganic sol-gel precursor solution homogeneously doped with a liquid scintillating material and a neutron absorbing material. The neutro... | 09/12/2006 |
| 7091510 | Method for storing and reproducing radiation image and radiation image storage device A radiation image storage device composed of a fluorescent sheet which contains a phosphor which absorbs a radiation energy and emits a light of ultraviolet or visible region, and a radiation image storage panel having a fluorescent layer and a radiation image stora... | 08/15/2006 |
| 7019311 | Laser-based irradiation apparatus and methods for monitoring the dose-rate response of semiconductor devices A scanned, pulsed, focused laser irradiation apparatus can measure and image the photocurrent collection resulting from a dose-rate equivalent exposure to infrared laser light across an entire silicon die. Comparisons of dose-rate response images or time-delay image... | 03/28/2006 |
| 7011814 | Systems, methods and devices for in vivo monitoring of a localized response via a radiolabeled analyte in a subject Methods, systems, devices and computer program products monitor in vivo detected radiation in a target localized site within a subject, over a selected time period, to do one or more of: (a) quantify a radiation dose received at a local site; (b) assess bioreceptive... | 03/14/2006 |
| 7009181 | Apparatus and method for OSL-based, remote radiation monitoring and spectrometry Compact, OSL-based devices for long-term, unattended radiation detection and spectroscopy are provided. In addition, a method for extracting spectroscopic information from these devices is taught. The devices can comprise OSL pixels and at least one radiation filter... | 03/07/2006 |
| 7002163 | Optically stimulated luminescence radiation dosimetry method to determine integrated doses and dose rates and a method to extend the upper limit of measureable absorbed radiation doses during irradiation There is provided herein a system and method for obtaining measurements of radiation exposure in real time using OSL and for obtaining improved accurate OSL measurements over a greater range of radiation exposures. In a preferred embodiment a signal-versus-dose resp... | 02/21/2006 |
| 6998624 | Apparatus and method for detecting radiation that uses a stimulate phosphor Apparatus and method for radiation measurement suitable for use within and outside nuclear reactor or accelerator facilities when there is a need to perform real-time monitoring of radiation intensity over a wide dynamic range at many and broadly distributed sites o... | 02/14/2006 |
| 6936830 | Optically stimulated luminescence radiation dosimetry method to determine dose rates during radiotherapy procedures There is provided a system and method for estimating radiation exposure in real time or in near-real time while a dosimeter is being irradiated. In the preferred arrangement, OSL will be used to calculate estimates of the radiation dose rate, preferably by using com... | 08/30/2005 |
| 6825479 | Apparatus and method for detecting radiation that uses a stimulate phosphor Apparatus and method for radiation measurement suitable for use within and outside nuclear reactor or accelerator facilities when there is a need to perform real-time monitoring of radiation intensity over a wide dynamic range at many and broadly distributed sites o... | 11/30/2004 |
| 6703922 | Method for monitoring exposure time of workers in workplace A method for monitoring exposure time of workers involves the use of a sensor, which is carried by the workers for monitoring continually in a real-time fashion in an environment such that the results are recorded by a recorder. The an add-on or built-in ... | 03/09/2004 |
| 6628201 | Radiation measurement alarm system A combination of a master machine and a plurality of slave machines communicate wireless with each other. In case of a radiation leak accident, multitudes of inhabitants or workers dealing with the accident are made to carry the slave machines. The slave ... | 09/30/2003 |
| 6627902 | Dose reading device and dose reading magazine A dose reading device comprises: an ultraviolet irradiating section 40 for irradiating an ultraviolet laser beam forming an excitation light source for fluorescent glass elements X; a fluorescence detecting section 50 for detecting a radiation exposure do... | 09/30/2003 |
| 6627891 | Temporal dosimeter and method The invention includes a temporal dosimeter. One dosimeter embodiment includes a housing that is opaque to visible light but transparent to ionizing radiation. The dosimeter also includes a sensor for recording dosages of ionizing radiation, a drive mecha... | 09/30/2003 |
| 6624427 | Dosimeter glass element, method for manufacturing same, and dosimeter holder A cylindrical silver-activated phosphate glass base material 2 is placed inside a heater 1. The upper end of this base material 2 is set in a supporting section 3, and an extending section 4 provided in vertically movable fashion by means of a drive devic... | 09/23/2003 |
| 6479829 | Apparatus and method for detecting radiation that uses a stimulate phosphor Radiation doses ranging from a very weak level to a very high instantaneous level can be monitored real-time by, a differential and integral type of radiation measuring apparatus in a convenient and precise manner using a stimulable phosphor as a radiatio... | 11/12/2002 |
| 6420724 | Method of image formation, dosimetry and personal monitoring A method has been provided of image formation, dosimetry or personal monitoring wherein said method comprises the steps of (a) storing energy in stimulable phosphors coated in one or more layers of said screen or panel; (b) converting said energy to emiss... | 07/16/2002 |
| 6414324 | Method of preparing detection materials for use in UV detection using phototransferred thermoluminescence The instant invention teaches a method of preparing a luminescent detecting material for use in UV dosimetry which utilizes phototransferred luminescence. The detecting material has a set of shallow dosimetry traps for trapping electronic charge carriers,... | 07/02/2002 |
| 6398710 | Radiation dosimetry system A radiation dosimetry system (110) using miniature implanted transponder balls. A patient having a tumor that is the target of the radiation treatment lies in a treatment area with the tumor positioned beneath a target (112) used for alignment purposes. T... | 06/04/2002 |
