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. 19, 1987
Filed:
Mar. 06, 1985
Sunao Suzuki, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An apparatus for measuring the quantity of AC electricity, comprising a first and a second arithmetic circuit capable of calculating values corresponding to the sum of and the difference between each sample value obtained by sampling the quantity of AC electricity at a predetermined sampling period and the sample value obtained one sampling period before the former, and a third arithmetic circuit capable of calculating a value corresponding to the difference between the respective output signals of those two arithmetic circuits.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile