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.:

US 8921750 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 30, 2014

Filed:

Jul. 14, 2011
Applicant:

Kenji Kawamata, Tokyo, JP;

Inventor:

Kenji Kawamata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/05 (2014.01); H02J 1/00 (2006.01); G01R 31/40 (2014.01);
U.S. Cl.
CPC ...
G01R 31/405 (2013.01);
Abstract

A system is disclosed that includes an open-circuit voltage measurement device for measuring an open-circuit voltage of a string of solar battery panels in a state where the string and a load are not connected; a drive control device for controlling an output voltage of the solar battery panels; and a calculation control device for outputting a signal for controlling the drive control device so that the open-circuit voltage attains a predetermined voltage equal to or more than an operable voltage of the load but not more than a breakdown voltage of the photovoltaic power system, based on the open-circuit voltage measured by the open-circuit voltage measurement device when the string and the load are in an open state.


Find Patent Forward Citations

Kawamata, Kenji. (2014). Open-circuit voltage control system (U.S. Patent No. 8921750). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8921750

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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