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. 14, 2026
Filed:
Nov. 29, 2022
Lg Electronics Inc., Seoul, KR;
Imsung Yoo, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A plant cultivation apparatus includes a cabinet; a mixing tank provided inside the cabinet to store a nutrient solution provided to plants by mixing water and nutrients; a concentration detection unit provided inside the cabinet to measure the concentration of nutrients in the nutrient solution; a mixing tank water level detection unit provided in the mixing tank to measure the level of the nutrient solution; and a control unit configured to determine expected concentration in a state in which water is added to a difference between the level of the nutrient solution and an upper limit level, based on the concentration of the nutrient solution when the level of the nutrient solution is less than the upper limit level of the mixing tank, and to perform a draining the nutrient solution from the mixing tank when the expected concentration is at the upper limit or more.