| |
 |
|
Class Information
Number: 250/372
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Ultraviolet light responsive means
Description: Subject matter wherein the radiation responsive means responds to ultraviolet light.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4296326 |
Watermark detection |
Oct. 20, 1981 |
| 4279254 |
Ultraviolet light control |
Jul. 21, 1981 |
| 4278508 |
Method of detecting a cathodic corrosion site on a metallized substrate |
Jul. 14, 1981 |
| 4277774 |
Bill discriminating apparatus |
Jul. 7, 1981 |
| 4272679 |
Ultraviolet radiation sensor |
Jun. 9, 1981 |
| 4250213 |
UV-Light-sensitive sheet for graphic applications |
Feb. 10, 1981 |
| 4241258 |
Ultraviolet fire detector |
Dec. 23, 1980 |
| 4229733 |
Exposure detecting device |
Oct. 21, 1980 |
| 4213153 |
Process for the optical display of information using lasers |
Jul. 15, 1980 |
| 4212535 |
Ultraviolet radiation dosimeter |
Jul. 15, 1980 |
| 4208587 |
Method and apparatus for ultraviolet curing of three dimensional objects without rotation |
Jun. 17, 1980 |
| 4201916 |
Ultraviolet radiation sensor for use in liquid purification system |
May. 6, 1980 |
| 4199682 |
Fire and explosion detection apparatus |
Apr. 22, 1980 |
| 4197354 |
UV-Light-sensitive sheet for graphic applications |
Apr. 8, 1980 |
| 4165463 |
Radiation monitors and method for positioning |
Aug. 21, 1979 |
| 4162425 |
Ultraviolet detection tube quenching circuitry |
Jul. 24, 1979 |
| 4146792 |
Paper secured against forgery and device for checking the authenticity of such papers |
Mar. 27, 1979 |
| 4132653 |
Polarization analyzer for vacuum ultraviolet and x-ray radiation |
Jan. 2, 1979 |
| 4114804 |
Counterfeit detection means for paper counting |
Sep. 19, 1978 |
| 4096387 |
Ultraviolet radiation detector |
Jun. 20, 1978 |
| 4086489 |
Ultra violet radiation personnel hazard meter |
Apr. 25, 1978 |
| 4066904 |
Method of measurement of the concentration of a substance contained in a gas and devices for carrying out said method |
Jan. 3, 1978 |
| 4065672 |
Ultraviolet sensor and exposure instrument |
Dec. 27, 1977 |
| 4063818 |
Monochromator having a toroidal holographic diffraction grating and utilizable in the ultraviolet band |
Dec. 20, 1977 |
| 4061922 |
Ultraviolet sensing device |
Dec. 6, 1977 |
| 4053814 |
Continuous automatic starting assist UV circuit for microwave powered electrodeless lamps |
Oct. 11, 1977 |
| 4051375 |
Discriminating flame detector |
Sep. 27, 1977 |
| 4047038 |
U.V. detector |
Sep. 6, 1977 |
| 4041352 |
Automatic starting system for solid state powered electrodeless lamps |
Aug. 9, 1977 |
| 4031399 |
Fluorometer |
Jun. 21, 1977 |
| 4029966 |
Radiation-detecting devices and apparatus |
Jun. 14, 1977 |
| 4027164 |
Circuitry for continually monitoring radiation detection systems |
May. 31, 1977 |
| 4016424 |
Ultraviolet radiation detector |
Apr. 5, 1977 |
| 4016425 |
Methods and apparatus for optimizing the response of transducers |
Apr. 5, 1977 |
| 4015130 |
Method and apparatus for monitoring optical radiation |
Mar. 29, 1977 |
| 4010372 |
Device for measuring the ultra-violet radiation in the UV-A and/or UV-B range |
Mar. 1, 1977 |
| 4009393 |
Dual spectral range target tracking seeker |
Feb. 22, 1977 |
| 4008398 |
Transducer signal conditioning circuit |
Feb. 15, 1977 |
| 4000502 |
Solid state radiation detector and process |
Dec. 28, 1976 |
| 3976882 |
Invisible radiation imaging device |
Aug. 24, 1976 |
| 3971943 |
Ultraviolet radiation monitor |
Jul. 27, 1976 |
| 3967124 |
Apparatus for determining skin tolerance to ultra-violet radiation |
Jun. 29, 1976 |
| 3965354 |
Resistive anode image converter |
Jun. 22, 1976 |
| 3965360 |
Method for discriminating high-temperature red heated material |
Jun. 22, 1976 |
| 3957675 |
Ultraviolet light reflective coating |
May. 18, 1976 |
| 3952196 |
Radiation detection apparatus |
Apr. 20, 1976 |
| 3952197 |
Ion chambers |
Apr. 20, 1976 |
| 3951658 |
Color modifying imaging method and article |
Apr. 20, 1976 |
| 3952193 |
Imaging method with U.V. excitation of liquid crystal |
Apr. 20, 1976 |
| 3947685 |
Method and arrangement for determining nitric oxide concentration |
Mar. 30, 1976 |
|
|
|
