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Class Information
Number: 250/336.1
Name: Radiant energy > Invisible radiant energy responsive electric signalling
Description: Subject matter which when subjected in whole or in part to invisible radiant energy produces between some two electrically accessible points an increase or decrease in electric potential difference or current flow.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4746906 |
Dual technology intruder detection system with modular optics |
May. 24, 1988 |
| 4745399 |
Device for generating an alarm signal in the event of an environmental abnormality |
May. 17, 1988 |
| 4743762 |
Noise immune infrared readout circuitry and technique |
May. 10, 1988 |
| 4742227 |
Mobile type inspection apparatus |
May. 3, 1988 |
| 4737643 |
Polarization analyzer for high energy pulsed laser beams |
Apr. 12, 1988 |
| 4732728 |
Method of and apparatus for detecting neutrinos and antineutrinos with elastic scatterers |
Mar. 22, 1988 |
| 4724321 |
Beam intensity monitor for a high energy particle beam system |
Feb. 9, 1988 |
| H431 |
Portable laboratory for detection and monitoring of hazardous chemicals |
Feb. 2, 1988 |
| 4719354 |
High efficiency detector for energetic x-rays |
Jan. 12, 1988 |
| 4707608 |
Kinestatic charge detection using synchronous displacement of detecting device |
Nov. 17, 1987 |
| 4695728 |
Portable radiation contamination detector |
Sep. 22, 1987 |
| 4672544 |
Dosimeter-radiation meter and method for measuring the dose flow of ionizing radiance |
Jun. 9, 1987 |
| 4659930 |
Radiation hard visible light readout circuit |
Apr. 21, 1987 |
| 4658142 |
Apparatus for detecting radiation in a container |
Apr. 14, 1987 |
| 4654528 |
Radiation level reporting system |
Mar. 31, 1987 |
| 4651002 |
Radiographic method and apparatus for reducing the effects of scatter in the image |
Mar. 17, 1987 |
| 4642463 |
Intelligent radiation monitor |
Feb. 10, 1987 |
| 4620800 |
High level gamma radiation dosimeter |
Nov. 4, 1986 |
| 4611247 |
Radiation image reproducing apparatus |
Sep. 9, 1986 |
| 4605858 |
Personal radiation dosimeter |
Aug. 12, 1986 |
| 4600840 |
Double photon excitation of high-rydberg atoms as a long-lived submillimeter detector |
Jul. 15, 1986 |
| 4599513 |
Enclosure for sorting radioactive material |
Jul. 8, 1986 |
| 4591716 |
Radioactive concentration measuring apparatus |
May. 27, 1986 |
| 4585940 |
Optical detector |
Apr. 29, 1986 |
| 4578586 |
Chemical agent monitor and alarm device |
Mar. 25, 1986 |
| 4576777 |
Energy detection method and apparatus |
Mar. 18, 1986 |
| 4517135 |
Carbonation measuring system and process |
May. 14, 1985 |
| 4495415 |
Radiation sensing system |
Jan. 22, 1985 |
| 4491729 |
Radiation receiver and method of manufacturing such a receiver |
Jan. 1, 1985 |
| 4485442 |
Cumulative exposure metering system |
Nov. 27, 1984 |
| 4484074 |
Planar detector of a device for detecting corpuscular or electromagnetic radiation, and method for manufacturing same |
Nov. 20, 1984 |
| 4464065 |
Fast granular superconducting bolometer |
Aug. 7, 1984 |
| 4454421 |
Apparatus for measuring radiation dose |
Jun. 12, 1984 |
| 4451530 |
Security paper with authenticity features in the form of luminescing substances |
May. 29, 1984 |
| 4451521 |
Security paper with authenticity features in the form of substances luminescing only in the invisible region of the optical spectrum and process for testing the same |
May. 29, 1984 |
| 4451736 |
Method and apparatus for measuring air ion concentrations |
May. 29, 1984 |
| 4415237 |
Radiation dosimeter |
Nov. 15, 1983 |
| 4409488 |
Radioactive material dose computer |
Oct. 11, 1983 |
| 4398089 |
Penetration sensing system with radiation-emitting material |
Aug. 9, 1983 |
| 4320393 |
Personal dosimeter with reminder time |
Mar. 16, 1982 |
| 4297576 |
Device for the interconnection of conductive terminals located within a demountable enclosure and conductive terminals located outside said enclosure |
Oct. 27, 1981 |
| 4287418 |
Method for measuring the spectral distribution of electromagnetic radiation intensity and spectrometer of millimetric and far-infrared ranges for effecting same |
Sep. 1, 1981 |
| 4286155 |
Radioactive gas monitor |
Aug. 25, 1981 |
| 4270052 |
Radioactive gas dose computer |
May. 26, 1981 |
| 4259575 |
Directional gamma detector |
Mar. 31, 1981 |
| 4227082 |
Detector for detecting ionizing radiation |
Oct. 7, 1980 |
| 4225785 |
Process for the production of a sensitive plate for an exoelectron dosimeter |
Sep. 30, 1980 |
| 4219804 |
Sensor for electromagnetic waves caused by nuclear detonation |
Aug. 26, 1980 |
| 4216124 |
Material for the construction of exoelectron detectors |
Aug. 5, 1980 |
| 4213797 |
Radiant energy to electric energy converter |
Jul. 22, 1980 |
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