The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 1999
Filed:
Sep. 18, 1997
Applicant:
Inventors:
Brian N White, Los Alamitos, CA (US);
John H Morrow, La Jolla, CA (US);
Assignee:
Department of Water and Power City of Los Angeles, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356317 ; 356318 ; 356417 ; 2504581 ; 2504591 ; 2504611 ;
Abstract
An improved water quality monitoring system and method. The system utilizes reflectance radiometers to provide multiple wavelength measurement of downwelling irradiance and/or upwelling radiance. The method calculates attenuation coefficients from the downwelling irradiance or upwelling radiance to derive chlorophyll concentration in the water.