Patent FR2220977A7 successfully refreshed from Google Patents.
JPS5267633A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method for electronic photo-copying
Assignee: Ricoh Co Ltd
•
Filing: 1975-12-02
•
Granted: —
•
Expires: 1995-12-02
Abstract
Abstract PURPOSE: To provide a method for electronic photo-copying by means of magnet brush which rotates magnet and sleeve, wherein development concentration is adjusted by varying the angle of inclination of main pole of magnet relative to the line between the central point of sleeve and the central point of photosensitive drum. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Manabu Mochizuki
- 👤 Hiroharu Suzuki
- 👤 Hajime Koyama
- 👤 Teruyuki Onuma
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-06 14:05
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.