JPS5347804A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Optical reproducer
Assignee: Mitsubishi Electric Corp
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Filing: 1976-10-12
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Granted: —
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Expires: 1996-10-12
Abstract
Abstract PURPOSE:To eliminate the non-diffracted light by shielding the semicircular portion of the aperture of a condensing lens and projected on a recording element of concave and convex type so that the reflected light may be reproduced.
Inventors
- 👤 Kazuo Okada
- 👤 Kazuo Hirasawa
- 👤 Kiyomoto Nishi
- 👤 Sadanobu Kawabe
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 16:01
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/12
Claims Analysis
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