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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 |
| 5047645 |
Thin film infrared laser detector and monitor |
Sep. 10, 1991 |
| 5045695 |
Transition radiation interference spectrometer |
Sep. 3, 1991 |
| 5045700 |
Headgear-mounted indicator for ionizing radiation |
Sep. 3, 1991 |
| 5043582 |
X-ray imaging system and solid state detector therefor |
Aug. 27, 1991 |
| 5041730 |
Parallel plate ion chamber |
Aug. 20, 1991 |
| 5036201 |
Probe and collimator for quick releasable mounting thereon |
Jul. 30, 1991 |
| 5029999 |
Laser radar device |
Jul. 9, 1991 |
| 5017788 |
Alpha-detecting conveyor apparatus |
May. 21, 1991 |
| 5012097 |
Radiation measuring apparatus |
Apr. 30, 1991 |
| 5010321 |
Nuclear event detectors |
Apr. 23, 1991 |
| 5008540 |
Electret gamma/X-ray low level dosimeter |
Apr. 16, 1991 |
| 5008539 |
Process and apparatus for detecting presence of plant substances |
Apr. 16, 1991 |
| 5006714 |
Scintillator dosimetry probe |
Apr. 9, 1991 |
| 5005146 |
Signal processing method for nuclear spectrometers |
Apr. 2, 1991 |
| H908 |
Method and system for improved resolution of a compensated calorimeter detector |
Apr. 2, 1991 |
| 4996429 |
Pocket measuring instrument for measuring ionizing radiation |
Feb. 26, 1991 |
| 4992658 |
Electret ion chamber for radon monitoring |
Feb. 12, 1991 |
| 4988876 |
Personnel radiation dosimetry device and testing unit |
Jan. 29, 1991 |
| 4983844 |
Fast atomic line filter |
Jan. 8, 1991 |
| 4968889 |
Pulser injection with subsequent removal for gamma-ray spectrometry |
Nov. 6, 1990 |
| 4967080 |
Apparatus for measuring the temporal correlation of fundamental particles |
Oct. 30, 1990 |
| 4962315 |
Method and apparatus for measuring radioactivity |
Oct. 9, 1990 |
| 4959547 |
Apparatus and methods for detecting, localizing, and imaging of radiation in biological systems |
Sep. 25, 1990 |
| 4927593 |
Beta ray flux measuring device |
May. 22, 1990 |
| 4924450 |
Ultrasonic ranging and data telemetry system |
May. 8, 1990 |
| 4920548 |
Source range neutron flux count rate system incorporating method and apparatus for eliminating noise from pulse signal |
Apr. 24, 1990 |
| 4912330 |
Apparatus for X-ray testing long wave infrared radiation detectors |
Mar. 27, 1990 |
| 4903248 |
Photo-acoustic detector |
Feb. 20, 1990 |
| 4900928 |
Process and apparatus for determining quantity of radioactive material in a centrifuge |
Feb. 13, 1990 |
| 4894543 |
Method for measuring x-rays or gamma radiation and device for this |
Jan. 16, 1990 |
| 4893013 |
Detector and localizer for low energy radiation emissions |
Jan. 9, 1990 |
| 4889991 |
Gamma radiation detector with enhanced signal treatment |
Dec. 26, 1989 |
| 4888483 |
Diamond radiation probe |
Dec. 19, 1989 |
| 4879468 |
Photoionization optical filter and detector |
Nov. 7, 1989 |
| 4877959 |
Space photon source locator |
Oct. 31, 1989 |
| 4873439 |
X-ray detector |
Oct. 10, 1989 |
| 4866277 |
Conveyor apparatus for detecting radioactive material in garments |
Sep. 12, 1989 |
| 4862005 |
Apparatus for detecting radioactive contaminants on hand tools |
Aug. 29, 1989 |
| 4853536 |
Ionization chamber for monitoring radioactive gas |
Aug. 1, 1989 |
| 4843244 |
Security sensors |
Jun. 27, 1989 |
| 4837437 |
Method and circuit arrangement for reducing the background count in radioactivity measurements with a coincidence-anticoincidence evaluation |
Jun. 6, 1989 |
| 4814608 |
Subsoil radioactive gas measuring system |
Mar. 21, 1989 |
| 4801803 |
Detector and localizer for low energy radiation emissions |
Jan. 31, 1989 |
| 4797555 |
High energy laser target plate |
Jan. 10, 1989 |
| 4797655 |
Detector system for monitoring a fluid containing tube |
Jan. 10, 1989 |
| 4793704 |
Photometric circuit |
Dec. 27, 1988 |
| 4780612 |
Method and apparatus for multiplexing signals from electromagnetic radiation detectors |
Oct. 25, 1988 |
| 4777367 |
Method and apparatus for measuring the distribution of radioactivity |
Oct. 11, 1988 |
| 4765468 |
Dosimeter security packaging |
Aug. 23, 1988 |
| 4746906 |
Dual technology intruder detection system with modular optics |
May. 24, 1988 |
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