Patent JPS5987571A successfully refreshed from Google Patents.
JPS5987571A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method and apparatus for preventing unauthorized copy preparation for recorded data
Assignee: VAULT CORP
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Filing: 1983-05-30
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Granted: —
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Expires: 2003-05-30
Abstract
Abstract Translated from Japanese (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Inventors
- 👤 ダブリユ−・クラブ・ブロトビ−
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-06 14:37
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/00086; G11B20/00659; G11B20/00094; G11B20/00123; G11B20/00572; G11B20/00586; G11B20/00681; G11B20/00695; G11B20/0092; G11B20/00927; G06; G06F; G06F2211/00; G06F2211/007
Claims Analysis
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