| |
 |
|
Class Information
Number: 356/225
Name: Optics: measuring and testing > Photometers > Photoelectric > With predetector light modifier (e.g., diaphragm)
Description: Subject matter including an optical element such as a lens, shutter, diaphragm, or mirror in the light path to the light responsive device to modify the light coming to the device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7340118 |
Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices |
Mar. 4, 2008 |
| 7271887 |
Sunlight measuring device |
Sep. 18, 2007 |
| 7217371 |
Optical control interface between controller and process chamber |
May. 15, 2007 |
| 7133133 |
Colorimeter |
Nov. 7, 2006 |
| 6975390 |
Optoelectronic monitoring device for a motor vehicle |
Dec. 13, 2005 |
| 6822216 |
Obscuration detector |
Nov. 23, 2004 |
| 6784995 |
Colorimeter |
Aug. 31, 2004 |
| 6531691 |
Method and system for optically testing a detector |
Mar. 11, 2003 |
| 6462819 |
Light measuring apparatus and colorimeter |
Oct. 8, 2002 |
| 6115490 |
Apparatus for determining the powder density on a dusty printed article |
Sep. 5, 2000 |
| 5889586 |
System of photodetection and associated process for analyzing a luminous flux |
Mar. 30, 1999 |
| 5786890 |
Optical output detector |
Jul. 28, 1998 |
| 5764352 |
Process and apparatus for spectral reflectance and transmission measurements |
Jun. 9, 1998 |
| 5704544 |
Air conditioning apparatus with an improved sunlight correction |
Jan. 6, 1998 |
| 5657405 |
Optical fiber sensor for measuring pressure or displacement |
Aug. 12, 1997 |
| 5606393 |
Illumination measuring device for panoramic photography |
Feb. 25, 1997 |
| 5499094 |
Apparatus and method for measuring the length and width of a spot of light utilizing two different masks |
Mar. 12, 1996 |
| 5497229 |
Photometering apparatus having a split light receiving device |
Mar. 5, 1996 |
| 5453829 |
Procedure and device for measurement of exposure times in optical devices with microscopic illustration path |
Sep. 26, 1995 |
| 5329350 |
Measuring laser beam parameters using non-distorting attenuation and multiple simultaneous samples |
Jul. 12, 1994 |
| 5323226 |
Method of measuring light levels and device for implementing this method |
Jun. 21, 1994 |
| 5218201 |
Method and apparatus for linearizing photoresistive optical sensors with sensitivity-selective masking |
Jun. 8, 1993 |
| 5157252 |
Photometer arrangement with scattered light trap |
Oct. 20, 1992 |
| 5139331 |
Radiometer including means for alternately measuring both power and energy with one pyroelectric detector |
Aug. 18, 1992 |
| 5123744 |
System and method for detection and identification of laser wavelengths |
Jun. 23, 1992 |
| 5106195 |
Product discrimination system and method therefor |
Apr. 21, 1992 |
| 5007717 |
Real time analyzer for pulsed laser systems |
Apr. 16, 1991 |
| 4989972 |
Low reflectivity surface relief gratings for photodetectors |
Feb. 5, 1991 |
| 4900932 |
Cathodoluminescence detector utilizing a hollow tube for directing light radiation from the sample to the detector |
Feb. 13, 1990 |
| 4889426 |
Microscope photometer tube |
Dec. 26, 1989 |
| 4878757 |
Tube for a microscope |
Nov. 7, 1989 |
| 4827120 |
Radiation sensor whereby radiation is diffused through the material |
May. 2, 1989 |
| 4814605 |
Entrance system for a photodetector having a 180 degree image angle and detector provided therewith |
Mar. 21, 1989 |
| 4790663 |
Photometer tube for microscopes |
Dec. 13, 1988 |
| RE32795 |
Exposure apparatus for production of integrated circuit |
Dec. 6, 1988 |
| 4772124 |
Probe for a radiometer |
Sep. 20, 1988 |
| 4737029 |
Photometer |
Apr. 12, 1988 |
| 4663524 |
Apparatus for measuring parameters of light spots with a moving knife-edge mask |
May. 5, 1987 |
| 4636071 |
Method and apparatus for measuring single mode fiber mode field radius |
Jan. 13, 1987 |
| 4610537 |
Photographic image information detecting device |
Sep. 9, 1986 |
| 4595290 |
Device for measuring light incident on an optical system |
Jun. 17, 1986 |
| 4568188 |
Microscope photometer |
Feb. 4, 1986 |
| 4564893 |
Method, apparatus and product for illuminating a surface to provide a desired light intensity at discrete points on said surface |
Jan. 14, 1986 |
| 4511250 |
Apparatus for measuring scalar irradiance |
Apr. 16, 1985 |
| 4486096 |
Device for measuring incident light |
Dec. 4, 1984 |
| 4420252 |
Light measuring device for controlling exposure |
Dec. 13, 1983 |
| 4411521 |
Optoelectric detection device especially for laser radiation |
Oct. 25, 1983 |
| 4391521 |
Photometer having asymmetrical aperture and with compensation for direction of incidence |
Jul. 5, 1983 |
| 4364662 |
Dual mode camera exposure meters |
Dec. 21, 1982 |
| 4358186 |
Method and apparatus for controlling exposure by selective use of blocking visible filter |
Nov. 9, 1982 |
|
|
|
