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Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/393
Name: Radiant energy > Invisible radiant energy responsive electric signalling > With radiant energy source
Description: Subject matter in combination with a claimed source of invisible radiation to which the signalling means responds.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
6567346 Absolute time scale clock May. 20, 2003
6528797 Method and system for determining depth distribution of radiation-emitting material located in a source medium and radiation detector system for use therein Mar. 4, 2003
6518579 Non-destructive in-situ method and apparatus for determining radionuclide depth in media Feb. 11, 2003
6487269 Apparatus for analysing a sample Nov. 26, 2002
6433861 Method and apparatus for a non-invasive measurement of the velocity of a gas or a fluid medium Aug. 13, 2002
6320193 Method for non-intrusively identifying a contained material utilizing uncollided nuclear transmission measurements Nov. 20, 2001
6229147 Detector and method for autoradiography May. 8, 2001
6225634 True coincidence summing correction for radiation detectors May. 1, 2001
6153884 Radioisotope proximity sensor Nov. 28, 2000
6134289 Thermal neutron detection system Oct. 17, 2000
6057761 Security system and method May. 2, 2000
6049070 Electric toaster with infrared detector cross reference to related application Apr. 11, 2000
6037597 Non-destructive detection systems and methods Mar. 14, 2000
5977547 Filter for on-line air monitor unaffected by radon progeny and method of using same Nov. 2, 1999
5866907 Ultralow background multiple photon detector Feb. 2, 1999
5856784 Low profile ionization chamber Jan. 5, 1999
5831534 Patient detection system Nov. 3, 1998
5672876 Method and apparatus for measuring distribution of radioactive nuclide in subject Sep. 30, 1997
5646409 Method of suppressing extraneous radiation effects in radioactive measuring methods Jul. 8, 1997
5524133 Material identification using x-rays Jun. 4, 1996
5468964 Millimeter wave sensor for monitoring effluents Nov. 21, 1995
5347139 Dual energy tracer quantitative analysis Sep. 13, 1994
5326974 Range-finding method and device Jul. 5, 1994
5255980 Black body TRD temperature sensor Oct. 26, 1993
5119240 Assembly of parts forming an angle between them and process for obtaining said assembly Jun. 2, 1992
5066862 Device for detecting ionizing radiation Nov. 19, 1991
5059802 Collimator for measuring radioactive radiation Oct. 22, 1991
5029248 Electrostatic capture type radon measuring apparatus Jul. 2, 1991
4962315 Method and apparatus for measuring radioactivity Oct. 9, 1990
4897549 Method of measuring pore diameters by positronium decay Jan. 30, 1990
4777367 Method and apparatus for measuring the distribution of radioactivity Oct. 11, 1988
4675527 Corrosion monitoring probe Jun. 23, 1987
4668867 Radiation gauge for determining weight percentages of the constituents of graphite-epoxy composite materials May. 26, 1987
4658142 Apparatus for detecting radiation in a container Apr. 14, 1987
4651002 Radiographic method and apparatus for reducing the effects of scatter in the image Mar. 17, 1987
4475041 Aperture device for measuring thin films Oct. 2, 1984
4282745 Particle size determination Aug. 11, 1981
4282745 Particle size determination Aug. 11, 1981
4278886 In-line assay monitor for uranium hexafluoride Jul. 14, 1981
4227082 Detector for detecting ionizing radiation Oct. 7, 1980
4081682 Locating and identifying a radioactive uranium and/or transuranium isotope deposited in a wound Mar. 28, 1978
4060732 Separating gaseous isotope mixtures Nov. 29, 1977
4034223 Device for measuring radiation absorption Jul. 5, 1977
3975641 Low level snow precipitation gauge Aug. 17, 1976
3937966 Accelerator beam profile analyzer Feb. 10, 1976

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