JPS5332320A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Motor controller
Assignee: Hitachi Ltd
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Filing: 1976-09-06
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Granted: —
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Expires: 1996-09-06
Abstract
Abstract PURPOSE: To make a maximum and a minimum number of revolutions unchanged even when a power source frequency is changed from 53 Hz to 60 Hz by changing over with a variable resistance performing establishment of CR of a motor controllev separately for both frequencies. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Takeshi Uno
- 👤 Masaharu Takeya
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-23 08:06
CPC Classifications
—
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