Patents
Patents for G01T 1 - Measuring x-radiation, gamma radiation, corpuscular radiation, or cosmic radiation (31,289)
09/1991
09/08/1991CA2025982A1 Antistatic lead screens for use with x-ray films
09/06/1991WO1991014338A1 Multisensor high-resolution camera
09/06/1991CA2077676A1 Multisensor high-resolution camera
09/05/1991WO1991013372A1 Advanced gamma ray detecting tomograph
09/05/1991WO1991013371A1 Discriminating electret radioactivity detector system and method for measuring radon concentration
09/04/1991EP0444719A1 Method of measurement of X- or gamma-rays and measuring apparatus suitable for that
09/04/1991EP0444324A2 Method for removing artifact and for correcting sensitivity of single photon emission computerized tomography and apparatus thereof
09/03/1991US5046147 Radiation image processing method
09/03/1991US5046118 Tone-scale generation method and apparatus for digital x-ray images
09/03/1991US5045706 Fluorescent screen
09/03/1991US5045700 Headgear-mounted indicator for ionizing radiation
09/03/1991US5045698 Radiation image information recording and reading system
09/03/1991CA1288529C Radiation detector with an ionizable gas atop an integrated circuit
08/1991
08/29/1991DE4009854C1 Appts. for controlling and correcting a gamma-camera - includes container filled with liq. and radionuclides, with base adjusting mechanism
08/28/1991CN1013721B Focus-error detection system and optical read-out and/or put-in apparatus
08/27/1991US5043582 X-ray imaging system and solid state detector therefor
08/27/1991US5043581 Method for measuring the radioactivity of samples and an apparatus for carrying out the method
08/27/1991US5043580 Radiation detector
08/27/1991US5043097 Containing calcium carbonate
08/27/1991CA1288175C Variable flow cell for a scintillation instrument
08/27/1991CA1288132C High voltage generating circuit using a minimal amount of current
08/22/1991WO1991012563A1 Transparent radiation image storage panel
08/22/1991WO1991012540A1 Tone-scale generation method and apparatus for digital x-ray images
08/21/1991EP0442574A1 Arrangement for scanning an X-ray exposure
08/21/1991EP0442468A1 Method for forming energy substraction images
08/21/1991EP0442205A2 Method for monitoring the effects of thermal and radiation exposure
08/21/1991EP0441772A1 Apparatus and method for flooding a nuclear imaging device with radiation from an imaging source
08/20/1991US5041734 Dosimeter reading apparatus with optical laser converter
08/20/1991US5041730 Parallel plate ion chamber
08/20/1991US5041729 Radiation detector and manufacturing process thereof
08/20/1991US5041728 Nuclear radiation monitor
08/14/1991EP0441521A1 Solid state X-ray imaging device
08/14/1991EP0441473A2 High resolution scintillation counters
08/14/1991EP0440864A1 Radiation measuring apparatus
08/14/1991EP0440854A1 Process of manufacturing a stimulable storage phosphor screen
08/14/1991EP0440853A1 Stimulable luminescent storage panel
08/14/1991EP0440666A1 Method and apparatus for producing a quench calibration function for a liquid scintillation counter.
08/14/1991EP0393063A4 Ambulatory physiological evaluation system including cardiac monitoring
08/14/1991DE4004348A1 X=ray recording scanning device
08/14/1991CN1013518B Weighing method and instrument with radioactive source
08/13/1991US5039860 Apparatus for monitoring the radioactivity of a plurality of liquid scintillation samples deposited on multi-well sample plates
08/13/1991US5039858 Gamma ray and photon detector
08/10/1991WO1991012498A1 Radiation dosage indicator
08/10/1991CA2034118A1 Solid state radiation detector
08/08/1991WO1991011735A1 Scintillation medium and method
08/08/1991WO1991011734A1 Divalent fluoride doped cerium fluoride scintillator
08/06/1991US5038043 High resolution method and apparatus for localizing neutral particles
08/06/1991US5038042 High resolution scintillation counters
08/06/1991US5038037 Radiation image recording and read-out apparatus
08/01/1991DE4101645A1 Two=dimensional mosaic type scintillation detector - esp. for X=rays or gamma rays, with high efficiency and few insensitive spots and crossover effects
07/1991
07/31/1991EP0438555A1 Transmission/emission registered image (teri) computed tomography scanners
07/31/1991EP0438470A1 A sample plate with a plurality of sample wells intended for radiolabelled binding assays.
07/31/1991EP0307451B1 Apparatus and method for locating the direction of an atomic beam
07/30/1991US5036546 Pseudo-noise product coded aperture arrays and method for designing same
07/30/1991US5036530 Emission tomography carousel system and method
07/30/1991US5036201 Probe and collimator for quick releasable mounting thereon
07/30/1991US5036200 Device for counting particles of ionizing radiation and its application to implementing a method of measuring the rate of leakage between the primary and secondary circuits of a steam generator
07/30/1991CA1287193C Sample counting support with solid scintillator for use in scintillation counting
07/25/1991WO1991010922A1 Method and a device for identifying radioisotopes in a liquid scintillation sample
07/25/1991WO1991009327A3 Rule-based technique to automatically determine the final scan gain in storage phosphor radiography
07/23/1991US5034905 Divider circuit using analog-digital converter
07/23/1991US5034610 Mobile radiation monitor
07/23/1991CA1286804C Dosimeter for radon and radon daughter products
07/17/1991EP0437051A2 A radiation detector including a scintillator array
07/17/1991EP0436990A2 A neutron source monitor for an accelerator neutron source
07/17/1991EP0436986A2 Apparatus for examining a test object with gamma- or X-ray radiation
07/17/1991EP0436765A1 X-Ray diagnosis apparatus
07/16/1991US5032733 Method for detecting unexposed regions
07/16/1991US5032729 Process and device for determining the spatial distribution of electrons emerging from the surface of a radioactive body
07/16/1991US5032728 Single photon emission computed tomography system
07/16/1991US5032726 Method of recognizing irradiation field
07/16/1991CA1286428C Ionizing radiation particle count device
07/16/1991CA1286425C Cable insulation eccentricity and diameter monitor
07/12/1991CA2033898A1 Directional gamma ray spectrometer
07/10/1991EP0435896A1 Charged particle multidetector
07/10/1991CN1052974A Low capacitance, large area semi-conductor photodetector and photodetector system
07/09/1991WO1991010921A1 X-ray imaging system and solid state detector therefor
07/09/1991US5030834 Fiber optic dosimeter system using electron trapping materials
07/09/1991US5030830 Housing of radiation detector
07/09/1991CA2073343A1 X-ray imaging system and solid state detector therefor
07/06/1991CA2022403A1 Method of and apparatus for measuring the mean concentration of thoron and/or radon in a gas mixture
07/03/1991EP0435509A2 Semiconductor photodetector and method of operation
07/03/1991EP0434705A1 Device for measuring activity and volume of radioactive liquids.
07/02/1991US5029248 Electrostatic capture type radon measuring apparatus
07/02/1991US5029247 X-ray image intensifier and method of manufacturing input screen
07/02/1991US5029083 Energy subtraction processing method using weighted average of plural stacked sheets for creating high energy image
07/02/1991US5028789 System and apparatus for neutron radiography
07/02/1991US5028788 X-ray sensor array
07/02/1991US5028785 Radiation image recording and read-out apparatus
07/02/1991US5028782 Method of adjusting image processing conditions
07/02/1991US5028781 Density correcting method and apparatus for subtraction image
07/02/1991US5027817 Statistical based display for positron emission tomography scans
06/1991
06/27/1991WO1991009327A2 Rule-based technique to automatically determine the final scan gain in storage phosphor radiography
06/27/1991WO1991009326A1 Elastic scintillator material
06/27/1991WO1991007673A3 High resolution gamma ray detectors for positron emission tomography (pet) and single photon emission computed tomography (spect)
06/27/1991WO1991006015A3 Method for detecting radiation dose utilizing thermoluminescent material
06/26/1991EP0434506A1 Calibration method for the measuring chain of an X-ray apparatus
06/26/1991EP0256034B1 Apparatus and method for spatially characterizing and controlling a particle beam
06/25/1991US5026986 HVAC system
06/20/1991DE3941733A1 Electronic dosimeter, esp. for gamma radiation - has counter tube arrangement, pulse counter and three contact arrangement