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. 11, 2003
Filed:
Jun. 12, 2002
Katsuhiko Furukawa, Utsunomiya, JP;
Sadao Shinohara, Utsunomiya, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
The invention provides a resonant inverter apparatus that allows making the number of sensors small and reducing the cost. In an inverter apparatus comprising an inverter circuit A, a resonant circuit B, and a control circuit , a three phase main circuit, capacitors C to C , and load current sensors Is to Is are provided in the inverter circuit, a three phase auxiliary circuit and inductor Lr are provided in the resonant circuit, a resonant current arrival determining device and a drive signal generating device 6 are provided in the control circuit, and a maximum value detecting device that detects the absolute value of the maximum value of the load current, a counter setting value output device that outputs the counter setting value that depends on the absolute value of the maximum value of the load current, and a count calculating device that outputs the arrival determination signal after the passage of a time interval that depends on the counter setting value output by the counter setting value output device after the drive signal generating device outputs a predetermined switching timing signal are provided in the resonant current arrival determining device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile