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Class Information
Number: 250/385.1
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Including a radiant energy responsive gas discharge device > Plural chambers or three or more electrodes
Description: Plural chambers or three or more electrodes: Subject matter wherein there are more than two electrically independent, electrically accessible points or wherein the gas molecules between the electrically accessible points are prevented from free movement between the points by a wall or other barrier.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459691 |
Cassette for a storage fluorescent screen |
Dec. 2, 2008 |
| 7375342 |
Plasma-shell radiation detector |
May. 20, 2008 |
| 7189975 |
Wire-free, dual-mode calibration instrument for high energy therapeutic radiation |
Mar. 13, 2007 |
| 7157718 |
Microfabricated radiation detector assemblies methods of making and using same and interface circuit for use therewith |
Jan. 2, 2007 |
| 7151266 |
Nuclear cargo detector |
Dec. 19, 2006 |
| 7099436 |
Coherent scatter imaging |
Aug. 29, 2006 |
| 7078705 |
Neutron and gamma detector using an ionization chamber with an integrated body and moderator |
Jul. 18, 2006 |
| 7078704 |
Cylindrical ionization detector with a resistive cathode and external readout |
Jul. 18, 2006 |
| 7019307 |
Delay line anodes |
Mar. 28, 2006 |
| 6933506 |
Microstrip gas chamber |
Aug. 23, 2005 |
| 6919575 |
Radioactive sources |
Jul. 19, 2005 |
| 6891165 |
Ionizing radiation detector and method for manufacturing such a detector |
May. 10, 2005 |
| 6878944 |
Two-dimensional detector of ionizing radiation and method for making same |
Apr. 12, 2005 |
| 6847042 |
Centroid apparatus and method for sub-pixel X-ray image resolution |
Jan. 25, 2005 |
| 6822239 |
Corpuscular beam image detector using gas amplification by pixel type electrodes |
Nov. 23, 2004 |
| 6818901 |
Gaseous-based radiation detector |
Nov. 16, 2004 |
| 6794656 |
Radiation detector arrangement |
Sep. 21, 2004 |
| 6784436 |
Radiation detector arrangement |
Aug. 31, 2004 |
| 6717153 |
Apparatus and methods for monitoring emissions |
Apr. 6, 2004 |
| 6703619 |
Multi-grid type microstrip gas chamber |
Mar. 9, 2004 |
| 6664545 |
Gate for modulating beam of charged particles and method for making same |
Dec. 16, 2003 |
| 6661013 |
Device and method for two-dimensional detection of particles or electromagnetic radiation |
Dec. 9, 2003 |
| 6627897 |
Detection of ionizing radiation |
Sep. 30, 2003 |
| 6546070 |
Adaptable energy-resolved detection of ionizing radiation |
Apr. 8, 2003 |
| 6522722 |
Collimation of radiation from line-like ionizing radiation sources and planar radiation beam detection related thereto |
Feb. 18, 2003 |
| 6518578 |
Method for detecting ionizing radiation, a radiation detector and an apparatus for use in planar beam radiography |
Feb. 11, 2003 |
| 6476397 |
Detector and method for detection of ionizing radiation |
Nov. 5, 2002 |
| 6462344 |
X-ray image detector and a method for fabricating the same |
Oct. 8, 2002 |
| 6456681 |
Neutron flux measuring apparatus |
Sep. 24, 2002 |
| 6452191 |
Multiple cell radiation detector system, and method, and submersible sonde |
Sep. 17, 2002 |
| 6452190 |
Radiation detector provided with an absorption chamber and a plurality of avalanche chambers |
Sep. 17, 2002 |
| 6437513 |
Ionization chamber for ion beams and method for monitoring the intensity of an ion beam |
Aug. 20, 2002 |
| 6433341 |
Method and apparatus for photographing radiation image and cassette for radiation detection |
Aug. 13, 2002 |
| 6433335 |
Geiger-Mueller triode for sensing the direction of incident ionizing gamma radiation |
Aug. 13, 2002 |
| 6429578 |
Diagnostic and therapeutic detector system for imaging with low and high energy X-ray and electrons |
Aug. 6, 2002 |
| 6414317 |
Radiation detector, an apparatus for use in planar beam radiography and a method for detecting ionizing radiation |
Jul. 2, 2002 |
| 6389103 |
Method and an apparatus for radiography and a radiation detector |
May. 14, 2002 |
| 6385282 |
Radiation detector and an apparatus for use in radiography |
May. 7, 2002 |
| 6380542 |
Radiation image detecting system |
Apr. 30, 2002 |
| 6373065 |
Radiation detector and an apparatus for use in planar beam radiography |
Apr. 16, 2002 |
| 6356617 |
Device for digital subtraction angiography |
Mar. 12, 2002 |
| 6337482 |
Spectrally resolved detection of ionizing radiation |
Jan. 8, 2002 |
| 6331706 |
Collection of ions |
Dec. 18, 2001 |
| 6329658 |
Device and method for processing signals from a radiation detector with semiconductors |
Dec. 11, 2001 |
| 6326626 |
Relating to ion detection |
Dec. 4, 2001 |
| 6316773 |
Multi-density and multi-atomic number detector media with gas electron multiplier for imaging applications |
Nov. 13, 2001 |
| 6236711 |
Radiation measuring device comprising an ionization chamber |
May. 22, 2001 |
| 6218668 |
Coplanar interdigitated grid detector with single electrode readout |
Apr. 17, 2001 |
| 6207958 |
Multimedia detectors for medical imaging |
Mar. 27, 2001 |
| 6198798 |
Planispherical parallax-free X-ray imager based on the gas electron multiplier |
Mar. 6, 2001 |
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