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:
Nov. 26, 1991
Filed:
Jul. 30, 1990
Applicant:
Inventor:
Tomotaka Ito, Aichi, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 97 ; 363 98 ; 363 41 ; 318811 ; 388811 ;
Abstract
A pulse-width modulation-type inverter operable at a variable frequency and amplitude and having the ability to modify carrier frequency on the basis of changes in temperature, output current and output frequency levels. The inverter operates in a high carrier frequency range which reduces the audio noise.
Ito, Tomotaka. (1991). Pulse width modulation type inverter having temperature compensation (U.S. Patent No. 5068777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5068777
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile