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:
Aug. 28, 2018
Filed:
Jun. 05, 2014
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A hydroponic cultivation apparatus comprises: at least cultivation containers for growing the plants; a plurality of plant supporting portions to support the plants; a plurality of nutrient solution supplying portions to supply nutrient solutions; a plurality of first switching valves; a plurality of nutrient solution discharging portions to discharge the nutrient solutions; a plurality of second switching valves; a plurality of pH value detecting portions to detect pH values of the nutrient solutions; a receptacle portion to store the nutrient solutions discharged from the plurality of nutrient discharging portions; nutrient solution circulating portions to send the nutrient solutions from the receptacle portion; and a controlling portion to control opening and closing operations of the first switching valves and the second switching valves based on the pH values detected by the pH value detecting portions.