← Back to Patent Explorer
JPS54716A Expired / Lapsed JP ⏱️ 0.0 years remaining

Brushless direct current motor

Assignee: Sony Corp
•
Filing: 1977-06-03
•
Granted: —
•
Expires: 1997-06-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE: To reduce torque ripple and also to simplify a composition of an electrifying angle control circuit, by applying to a part of a rotary magnet the magnetic pole for rotary angle position detecting which serves to control an electrifying angle of a fixed coil. COPYRIGHT: (C)1979,JPO&Japio

Inventors

  • 👤 Masami Uchiyama

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-08 19:11
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)

JPS5092405A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag