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Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/389
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Including ionization means
Description: Subject matter wherein the radiant energy responsive means is electrically charged by incident radiation either by retention if incident charged particles or by means of the incident radiation raising the energy level of molecules in the signalling device sufficiently enough to produce free electrons.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7411197 Three-dimensional, position-sensitive radiation detection Aug. 12, 2008
7388201 Radiation detector having coated nanostructure and method Jun. 17, 2008
7335892 High energy photon detector and power source with MEMS switch Feb. 26, 2008
7186986 Radiation detector with converters Mar. 6, 2007
7113321 Optical deflection apparatus and manufacturing method thereof, optical deflection array, imaging apparatus, and image projection display apparatus Sep. 26, 2006
7049612 Electron beam treatment apparatus May. 23, 2006
6906329 High resolution-3-D position sensitive detector for gamma rays Jun. 14, 2005
6891166 Multi-layered radiation converter May. 10, 2005
6822240 Detection of radiation and positron emission tomography Nov. 23, 2004
6815687 Method and system for high-speed, 3D imaging of optically-invisible radiation Nov. 9, 2004
6770884 High resolution 3-D position sensitive detector for gamma rays Aug. 3, 2004
6747278 Radiation detector utilizing an unregulated power supply Jun. 8, 2004
6734435 Photo-ionization detector and method for continuous operation and real-time self-cleaning May. 11, 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
6509838 Constant current flame ionization circuit Jan. 21, 2003
6414318 Electronic circuit Jul. 2, 2002
6333506 X-ray detector unit with solid converter Dec. 25, 2001
6278121 Ionization chamber for radiometric measuring instruments Aug. 21, 2001
6256373 X-ray fluorescence instrument Jul. 3, 2001
6225633 Photo-ionization detector for volatile gas measurement and a method for self-cleaning the same May. 1, 2001
6218668 Coplanar interdigitated grid detector with single electrode readout Apr. 17, 2001
6177676 Device and sensitive medium in measuring of a dose absorbed in an ionizing radiation field Jan. 23, 2001
6069360 Method and apparatus for electron-only radiation detectors from semiconductor materials May. 30, 2000
5739699 Method and apparatus for ion discrimination in an electron capture detector Apr. 14, 1998
5672918 System level latchup mitigation for single event and transient radiation effects on electronics Sep. 30, 1997
5572027 Integrated dosimeter for simultaneous passive and active dosimetry Nov. 5, 1996
5426056 Surface ionization detector for detecting trace amounts of organic molecules Jun. 20, 1995
5373240 Hot-cathode ionization pressure gauge including a sequence of electrodes arranged at a distance from one another in sequence along an axis Dec. 13, 1994
5351034 Fire detector Sep. 27, 1994
5347132 Position sensitive detector providing position information with enhanced reliability and performance Sep. 13, 1994
5300890 Hot-cathode ionization pressure gauge including a sequence of electrodes arranged at a distance from one another in sequence along an axis Apr. 5, 1994
5298755 Optical ionization detector Mar. 29, 1994
5051592 Photoconductive detectors of ionizing radiation, and methods of implementation Sep. 24, 1991
5028544 Method of analysis of organic compounds in chromatography and apparatus for performing this method Jul. 2, 1991
5023450 Method for discriminating microphonic noise in proportional counters Jun. 11, 1991
5021664 Method and apparatus for correcting the energy resolution of ionizing radiation spectrometers Jun. 4, 1991
4999500 Apparatus for radiographic imaging Mar. 12, 1991
4988866 Measuring device for checking radiation fields from treatment machines for radiotherapy Jan. 29, 1991
4970398 Focused multielement detector for x-ray exposure control Nov. 13, 1990
4963747 Ionizing radiation detector Oct. 16, 1990
4954709 High resolution directional gamma ray detector Sep. 4, 1990
4866400 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system Sep. 12, 1989
4806765 Method and apparatus for checking the signal path of a measuring system Feb. 21, 1989
4804847 Radiation detector with an ionizable gas atop an integrated circuit Feb. 14, 1989
4795909 High performance front window for a kinestatic charge detector Jan. 3, 1989
4769547 Personal dosimeter having a volume of gas atop an integrated circuit Sep. 6, 1988
4707608 Kinestatic charge detection using synchronous displacement of detecting device Nov. 17, 1987
4692626 Nuclear and X-ray spectrometry and low-pass filter and filtering method therefor Sep. 8, 1987
4642465 Avalanche counter and encoder system for counting and mapping radioactive specimens Feb. 10, 1987

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