| |
 |
|
Class Information
Number: 356/406
Name: Optics: measuring and testing > By shade or color > Trichromatic examination
Description: Subject matter wherein there is apparatus to examine sequentially or simultaneously for at least three colors of light either directly or when reflected from or transmitted through a substance to be tested.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616314 |
Methods and apparatuses for determining a color calibration for different spectral light inputs in an imaging apparatus measurement |
Nov. 10, 2009 |
| 7599559 |
Method for collecting data for color measurements from a digital electronic image capturing device or system |
Oct. 6, 2009 |
| 7557924 |
Apparatus and methods for facilitating calibration of an optical instrument |
Jul. 7, 2009 |
| 7557925 |
Optical instrument and parts thereof for optimally defining light pathways |
Jul. 7, 2009 |
| 7548316 |
System and method for lead edge and trail edge sheet constraint and curl sensing |
Jun. 16, 2009 |
| 7528361 |
Semiconductor opto device having optodiode with adapted spectral sensitivity |
May. 5, 2009 |
| 7502112 |
Colorimetric device and colour determination process |
Mar. 10, 2009 |
| 7474402 |
Reflectance sensor for integral illuminant-weighted CIE color matching filters |
Jan. 6, 2009 |
| 7443508 |
Spectrophotometric scanner |
Oct. 28, 2008 |
| 7420680 |
Method for designing a colorimeter having integral CIE color-matching filters |
Sep. 2, 2008 |
| 7417735 |
Systems and methods for measuring color and contrast in specular reflective devices |
Aug. 26, 2008 |
| 7369239 |
Light measuring apparatus and method for measuring monochromatic light |
May. 6, 2008 |
| 7341450 |
Tooth shade scan system and method |
Mar. 11, 2008 |
| 7339673 |
Miniature optical readhead for optical diagnostic device |
Mar. 4, 2008 |
| 7327458 |
Spectral sensitivity composing system |
Feb. 5, 2008 |
| 7304740 |
Methods for detecting compression wood in lumber |
Dec. 4, 2007 |
| 7292949 |
Method and apparatus for estimating surface moisture content of wood chips |
Nov. 6, 2007 |
| 7271910 |
Systems and methods for compensating for temperature induced spectral emission variations in LED based color parameter measuring devices |
Sep. 18, 2007 |
| 7251031 |
Colorstick |
Jul. 31, 2007 |
| 7227640 |
Photoelectric sensor |
Jun. 5, 2007 |
| 7206072 |
Light source type discriminating method, image forming method, method and apparatus for estimating light source energy distribution, and exposure amount determining method |
Apr. 17, 2007 |
| 7193716 |
Arrangement of color filters for characterizing the color of an aggregate light |
Mar. 20, 2007 |
| 7177032 |
Device and method for determining the properties of surfaces |
Feb. 13, 2007 |
| 7132644 |
Photo sensor for standardized color measurement |
Nov. 7, 2006 |
| 7130050 |
Device of verifying and reading color, and a process of verifying and reading color in liquids |
Oct. 31, 2006 |
| 7113280 |
Dye detection method and apparatus |
Sep. 26, 2006 |
| 7113283 |
Apparatus and method for measuring color |
Sep. 26, 2006 |
| 7064832 |
Color and intensity measuring module for test of light emitting components by automated test equipment |
Jun. 20, 2006 |
| 6983060 |
Method to measure degree and homogeneity of alumina calcination |
Jan. 3, 2006 |
| 6900471 |
Method for defining the color group of an LED and LED module |
May. 31, 2005 |
| 6868371 |
System and method to quantify appearance defects in molded plastic parts |
Mar. 15, 2005 |
| 6844931 |
Spectrophotometer and its use |
Jan. 18, 2005 |
| 6798517 |
Handheld, portable color measuring device with display |
Sep. 28, 2004 |
| 6784996 |
Color sorting apparatus for granular object with optical detection device consisting of CCD linear sensor |
Aug. 31, 2004 |
| 6760108 |
Image processing using media white point and black point |
Jul. 6, 2004 |
| 6744514 |
Process and arrangement for detecting or recognizing an object |
Jun. 1, 2004 |
| 6741351 |
LED luminaire with light sensor configurations for optical feedback |
May. 25, 2004 |
| 6740154 |
Paint colorant product and method |
May. 25, 2004 |
| 6732917 |
Apparatus for automatic measurement of measuring fields |
May. 11, 2004 |
| 6704108 |
3D grating optical sensor comprising a diffusion plate for conducting chromatometry with color constancy performance |
Mar. 9, 2004 |
| 6674530 |
Portable colorimeter |
Jan. 6, 2004 |
| 6614530 |
Method and device for the colorimetric measurement of a colored surface |
Sep. 2, 2003 |
| 6594014 |
Color detecting sensor and method for ink ribbon |
Jul. 15, 2003 |
| 6590659 |
Cable identifier apparatus and method |
Jul. 8, 2003 |
| 6583880 |
Portable colorimeter |
Jun. 24, 2003 |
| 6577395 |
Method for measuring a lighting condition and an apparatus thereof |
Jun. 10, 2003 |
| 6567170 |
Simultaneous plural colors analysis spectrophotometer |
May. 20, 2003 |
| 6538742 |
Color reproducing system |
Mar. 25, 2003 |
| 6535287 |
Color identifying device |
Mar. 18, 2003 |
| 6525819 |
Colorimeter for dental applications |
Feb. 25, 2003 |
|
|
|
