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:
Jul. 02, 2013
Filed:
Sep. 19, 2011
Michael John Preiner, Palo Alto, CA (US);
Nicholas Carleton Koshnick, Palo Alto, CA (US);
Justin Stewart White, Palo Alto, CA (US);
Bevan Gerber-siff, San Francisco, CA (US);
Michael John Preiner, Palo Alto, CA (US);
Nicholas Carleton Koshnick, Palo Alto, CA (US);
Justin Stewart White, Palo Alto, CA (US);
Bevan Gerber-Siff, San Francisco, CA (US);
Solum, Inc., Mountain View, CA (US);
Abstract
A soil analysis device and a method are disclosed for measuring characteristics of a soil sample. A mixing chamber combines a soil sample and an extractant into a liquid mixture. A filtration system receives and filters the liquid mixture. The filtered liquid mixture is transmitted through a pipe with a slope to a measurement cell. The measurement cell is coupled to a light source so that light propagating from the light source is attenuated by the liquid mixture and is measured by an optical detector that is also coupled to the measurement cell. The optical detector generates an attenuation spectrum indicating light received by the detector at different wavelengths. The attenuation spectrum is used to determine the characteristics of the soil sample.