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Class Information
Number: 250/394
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Plural signalling means
Description: Subject matter including two or more radiant energy responsive electric signalling means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5679956 |
Enhanced vehicle radiation monitoring system and method |
Oct. 21, 1997 |
| 5665972 |
Method and apparatus for monitoring contamination |
Sep. 9, 1997 |
| 5572027 |
Integrated dosimeter for simultaneous passive and active dosimetry |
Nov. 5, 1996 |
| 5531228 |
Detector system for direct internal dosimetry in human beings |
Jul. 2, 1996 |
| 5514873 |
X-ray apparatus having a cable-free portable radiation detector with a housing for the acceptance of a radiation transducer |
May. 7, 1996 |
| 5495111 |
Crystal array based localizer for tissue sampling |
Feb. 27, 1996 |
| 5412206 |
Method and apparatus for determining the depth of a gamma emitting element beneath the surface |
May. 2, 1995 |
| 5371363 |
Device for measuring radiation within a pipe |
Dec. 6, 1994 |
| 5347132 |
Position sensitive detector providing position information with enhanced reliability and performance |
Sep. 13, 1994 |
| 5326974 |
Range-finding method and device |
Jul. 5, 1994 |
| 5285073 |
Method of determining a density distribution of positrons in human tissue |
Feb. 8, 1994 |
| 5274238 |
Radiation detector direction |
Dec. 28, 1993 |
| 5274239 |
Shielded dose calibration apparatus |
Dec. 28, 1993 |
| 5135706 |
Device for measuring radioactive contamination on large pieces |
Aug. 4, 1992 |
| 5117115 |
Device for measuring the activity and volume of radioactive liquids |
May. 26, 1992 |
| 5075554 |
Scintillation camera gantry supporting a plurality of detector heads between two parallel plates |
Dec. 24, 1991 |
| 5073715 |
Orientation detector of sources emitting radioactive radiation |
Dec. 17, 1991 |
| 5041728 |
Portable personnel monitor which is collapsible for transporting and storage |
Aug. 20, 1991 |
| 5023450 |
Method for discriminating microphonic noise in proportional counters |
Jun. 11, 1991 |
| 5017788 |
Alpha-detecting conveyor apparatus |
May. 21, 1991 |
| 5001416 |
Apparatus and method for detecting and measuring changes in linear relationships between a number of high frequency signals |
Mar. 19, 1991 |
| 4980554 |
Laser line identifier |
Dec. 25, 1990 |
| 4954709 |
High resolution directional gamma ray detector |
Sep. 4, 1990 |
| 4891522 |
Modular multi-element high energy particle detector |
Jan. 2, 1990 |
| 4862005 |
Apparatus for detecting radioactive contaminants on hand tools |
Aug. 29, 1989 |
| 4804848 |
Ionizing radiation detector for detecting the direction and intensity of the radiation |
Feb. 14, 1989 |
| 4777367 |
Method and apparatus for measuring the distribution of radioactivity |
Oct. 11, 1988 |
| 4760260 |
Diagnostic whole body counter |
Jul. 26, 1988 |
| 4757202 |
Solid state dosimeter |
Jul. 12, 1988 |
| 4731536 |
Apparatus for checking persons for radioactive contamination |
Mar. 15, 1988 |
| 4731535 |
Apparatus for checking persons for radioactive contamination |
Mar. 15, 1988 |
| 4686368 |
Apparatus and method for reading two-dimensional electrophoretograms containing .beta.-ray-emitting labeled compounds |
Aug. 11, 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 |
| 4618773 |
Apparatus for the diagnosis of body structures into which a gammaemitting radioactive isotope has been introduced |
Oct. 21, 1986 |
| 4580684 |
Radiometric measurement |
Apr. 8, 1986 |
| 4571495 |
Measurement system unit for a computer tomograph |
Feb. 18, 1986 |
| 4511801 |
Radiation scanning and measuring device |
Apr. 16, 1985 |
| 4500785 |
Radiation detector having a multiplicity of individual detecting elements |
Feb. 19, 1985 |
| 4394578 |
High pressure, high resolution xenon x-ray detector array |
Jul. 19, 1983 |
| 4355230 |
Method and apparatus for measuring the applied kilovoltage of X-ray sources |
Oct. 19, 1982 |
| 4352019 |
In-vivo radiation counter |
Sep. 28, 1982 |
| 4278886 |
In-line assay monitor for uranium hexafluoride |
Jul. 14, 1981 |
| 4276474 |
Infrared focal plane with automatic responsivity control using photodetector bias modulation |
Jun. 30, 1981 |
| 4267446 |
Dual scintillation detector for determining grade of uranium ore |
May. 12, 1981 |
| 4266872 |
Method of measuring the amount of reduction of a dot film, and device for practicing same |
May. 12, 1981 |
| 4253025 |
Hand and shoe monitor using air ionization probes |
Feb. 24, 1981 |
| 4227082 |
Detector for detecting ionizing radiation |
Oct. 7, 1980 |
| 4172226 |
Remote radiation detection system |
Oct. 23, 1979 |
| 4140912 |
Atmospheric radon monitor |
Feb. 20, 1979 |
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