JPS5317931A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Electric current source circuit
Assignee: Hitachi Ltd
•
Filing: 1976-07-31
•
Granted: —
•
Expires: 1996-07-31
Abstract
Abstract PURPOSE: To improve power factor of electric source, by providing a choke coil and a control circuit which switches in higher frequency than that of commercial current source, in input side, when commercial current source is converted to direct current power, through rectifying circuit and smoothing circuit. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Yuhei Abe
- 👤 Katsuo Mori
- 👤 Kazuo Onishi
- 👤 Katsuhiko Yabe
- 👤 Kiyoo Takeyasu
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-06 06:38
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.