JPS5436731A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Bank note forgery preventing device for copying apparatus
Assignee: Canon Inc
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Filing: 1977-08-26
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Granted: —
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Expires: 1997-08-26
Abstract
Abstract PURPOSE:To easily and reliably prevent the forgery copying operation of bank notes by allowing the copying operation only when a mark formed on a copying material is detected.
Inventors
- 👤 Naoki Iwami
- 👤 Takao Aoki
- 👤 Osamu Sawamura
- 👤 Masahiro Tomosada
- 👤 Yutaka Komiya
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-28 11:39
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/04
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